A hyper transport sync flood error occurred

a hyper transport sync flood error occurred

sprers.eu › watch. sprers.eu › threads › changing-settings-in-bios-to-fix-hyp. On first reboot, BIOS logs a HyperTransport Error in the DMI log. The BIOS reports, A Hyper Transport sync flood error occurred on last boot. a hyper transport sync flood error occurred

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Barramento HyperTransport

A hyper transport sync flood error occurred - are not

Answer

Hi Roncl – Welcome to Microsoft Answers Community.

I recommend the following links:
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Seems like a problem with AMD CPUs. I think.

I hope you find this information useful and if you need any further assistance,
please feel free to contact me and let me know.

I hope this information was helpful…

Have a nice day…

Best regards,
Fisnik


Itknowledgecom

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How to fix Hyper Transport sync flood error?

How to fix Hyper Transport sync flood error?

How can I fix the Hyper transport sync flood error?

  1. Check for the faulty CMOS battery. If the date and time are reset after every restart, it is most likely caused by a faulty CMOS battery.
  2. Check for BIOS issues. It is possible that your current BIOS version is causing the problem.
  3. Disable overclocking.
  4. Check your PSU.

What is Hypertransport sync flood error?

In case the current PSU is under-powered, you will keep encountering the &#;Hyper Transport sync flood error&#; error. This happens because your system needs more power than your PSU is capable of supplying.

What is the CMOS battery?

CMOS stands for “Complementary Metal Oxide Semiconductor.” The CMOS battery powers the BIOS firmware in your laptop [2]. BIOS needs to remain operational even when your computer isn&#;t plugged into a power source. When your computer gets unplugged, BIOS relies on the CMOS battery for power.

How do I know if my CMOS battery needs replacing?

Here are the CMOS battery failure symptoms:

  1. The laptop has difficult booting up.
  2. There&#;s a constant beeping noise from the motherboard.
  3. The date and time have reset.
  4. Peripherals aren&#;t responsive or they don&#;t respond correctly.
  5. Hardware drivers have disappeared.
  6. You can&#;t connect to the internet.

Can PC work without CMOS battery?

The CMOS battery is not there to provide power to the computer when it is in operation, it is there to maintain a small amount of power to the CMOS when the computer is powered off and unplugged. Without the CMOS battery, you would need to reset the clock every time you turned on the computer.

What are signs of bad CMOS battery?

Here are the CMOS battery failure symptoms:

  • The laptop has difficult booting up.
  • There&#;s a constant beeping noise from the motherboard.
  • The date and time have reset.
  • Peripherals aren&#;t responsive or they don&#;t respond correctly.
  • Hardware drivers have disappeared.
  • You can&#;t connect to the internet.

What happen if CMOS battery died?

If the CMOS battery dies, settings will be lost when the computer is powered down. You will probably be asked to reset the time and date when you start the computer up. Sometimes the loss of settings will prevent the computer loading the operating system.

What are the common effect of bad dying CMOS battery?

A constant beeping sound is another sign that your CMOS battery is dying. The final sign that your CMOS battery is going dead is that you&#;ll receive an error message. The three main types of error messages are: CMOS Checksum Error, CMOS Read Error and CMOS Battery Failure.

Is there a hyper transport sync flood error?

A hypertransport sync flood error occurred on last boot Solved &#; Windows 7 Help Forums

What to do if you get error 0x?

In the event that you no longer encounter the 0x error, consider uninstalling your current 3rd party suite and going for a different security suite. If you want to avoid other conflicts like this one, consider going for the built-in security solution. If the first two possible solutions have failed you, let’s try a different approach.

Why is my hyper transport sync not working?

HDMI out. According to this a failing power supply could be one cause amongst others. According to this a failing power supply could be one cause amongst others. Had spent time at that site previously. It&#;s information is 2 years or older, not definitely, and not related to Creators Update

Hey everyone. I'm having a problem that I can't seem to fix. Around the middle of last year, my computer started shutting down while playing games. At first, it took an hour of playing before it would shut down, and then it was 30 minutes, then 10, and eventually only five minutes. Every time it gives me the message, "Hyper transport sync flood error occurred on last boot." I had never heard of this before. I began searching, and I found some people saying that you should update your graphics card's drivers, update your BIOS, and make sure your computer is well ventilated. I've done all of this and it continued to happen. A friend recommended that I watch my temperatures and check the GPU's fan while playing. We found that my graphics card was idling at a high temperature, and it continued to rise while playing until it reached 90 degrees, at which point it would shut down. On top of that, MSI Afterburner was getting a ridiculously-high reading on the fan's RPMs. This led us to believe that the card was bad and I should replace it. So I did, and the problem continued.

Now I've done more research, and I've linked the problem to the Northbridge. I've heard that when the NB clock speed dips below the HT clock speed, you get a hyper transport error. I read that I should raise my NB clock so that there is a significant difference between the NB and HT clock. When I went into my BIOS, I found that there wasn't an option to change the NB speed like someone else was showing. I decided to lower my HT to GHz and test it out. After doing so, I was able to run a game for 30 minutes before it shut down. This is actually a huge improvement from the five minutes that I was getting on the same day before I lowered the HT clock.

So what I'm wondering is if there's any harm in lowering the HT speed again, and if I do, will this fix the issue? If not, what should I try next? Here's all of the specs that I feel relate to this. Let me know if there's something else that you need to know:

Processor:
AMD Phenom II X6 T (6 CPUs), ~ GHz
Core Speed: MHz
Bus Speed: MHz
HT Link: MHz

Motherboard:
ECS ALM-M
Chip: AMD G
Southbridge: AMD SB

Graphics Card:
eVGA GeForce GTX Ti SC

And here's an image from the BIOS which provides some more information, including the options I have.

I really don't know much about this stuff, so please let me know if I need to include anything else.

 



Note - This chapter applies to all Sun Fire X/X M2 and X/X M2 servers, unless otherwise noted.



This appendix contains information about how the servers process and log errors. See the following sections:

Handling of Uncorrectable Errors

This section lists facts and considerations about how the server handles uncorrectable errors.



Note - The BIOS ChipKill feature must be disabled if you are testing for failures of multiple bits within a DRAM (ChipKill corrects for the failure of a four-bit wide DRAM).



  • The BIOS logs the error to the SP system event log (SEL), through the board management controller (BMC).
  • The SP's SEL is updated with the failing DIMM pair's particular bank address.
  • The system reboots.
  • The BIOS logs the error in DMI.


Note - If the error is on low 1MB, the BIOS freezes after rebooting. Therefore, no DMI log is recorded.



  • An example of the error is reported by the SEL through IPMI is as follows:
    • When low memory is erroneous, the BIOS is frozen on pre-boot low memory test because the BIOS cannot decompress itself into faulty DRAM and execute the following items:

    • When the faulty DIMM is beyond the BIOS's low 1MB extraction space, proper boot happens:

  • Note the following considerations for this revision:
    • Uncorrectable ECC Memory Error is not reported.
    • Multi-bit ECC errors are reported as .
    • On first reboot, BIOS logs a HyperTransport Error in the DMI log.
    • The BIOS disables the DIMM.
    • The BIOS sends the SEL records to the BMC.
    • The BIOS reboots again.
    • The BIOS skips the faulty DIMM on the next POST memory test.
    • The BIOS reports available memory, excluding the faulty DIMM pair.

FIGURE E-1 shows an example of a DMI log screen from BIOS Setup Page.


Graphic showing a sample DMI log screen.


Handling of Correctable Errors

This section lists facts and considerations about how the server handles correctable errors.

  • During BIOS POST:
    • The BIOS polls the MCK registers.
    • The BIOS logs to DMI.
    • The BIOS logs to the SP SEL through the BMC.
  • The feature is turned off at OS boot time by default.
  • The following Linux versions report correctable ecc syndrome and memory fill errors in , if kernel flag is indicated at boot time, or if is enabled through kernel compile or installation:
    • RH3 Update5 single core
    • RH4 Update1+
    • SLES9 SP1+
  • The Linux kernel () repeats a report every 30 seconds until another error is encountered and a flag is reset.
  • Solaris support provides full self-healing and automated diagnosis for the CPU and Memory subsystems.
  • FIGURE E-2 shows an example of a DMI log screen from BIOS Setup Page:

Graphic showing a sample DMI log screen, with a correctable error shown.


  • If during any stage of memory testing the BIOS finds itself incapable of reading/writing to the DIMM, it takes the following actions:
    • The BIOS disables the DIMM as indicated by the Memory Decreased message in the example in FIGURE E
    • The BIOS logs an SEL record.
    • The BIOS logs an event in DMI.

Graphic showing a sample DMI log screen, with a correctable error and memory decreased message.


Handling of Parity Errors (PERR)

This section lists facts and considerations about how the server handles parity errors (PERR).

  • The handling of parity errors works through NMIs.
  • During BIOS POST the NMI is logged in the DMI and the SP SEL. See the following example command and output:

  • FIGURE E-4 shows an example of a DMI log screen from BIOS Setup Page, with a parity error.

Graphic showing a sample DMI log screen, with a PCI parity error shown.


  • The BIOS displays the following messages and freezes (during POST or DOS):
  • The Linux NMI trap catches the interrupt and reports the following NMI "confusion report" sequence:



Note - The Linux system reboots, but does not inform the BIOS of this incident.



Handling of System Errors (SERR)

This section lists facts and considerations about how the server handles system errors (SERR).

  • System error handling works through the HyperTransport Synch Flood Error mechanism in the AMD controller.
  • The following events happen during BIOS POST:
    • POST reports of any previous system errors at the bottom of screen. See FIGURE E-5 for an example.

Graphic showing a sample POST screen, with system error listed.


    • SERR and HyperTransport Synch Flood Error are logged in DMI and the SP SEL. See the following sample output:

  • FIGURE E-6 shows an example DMI log screen from the BIOS Setup Page with a system error.

Graphic showing a sample DMI log screen, with a system error listed.


Handling Mismatching Processors

This section lists facts and considerations about how the server handles mismatching processors.

  • The BIOS performs a complete POST.
  • The BIOS displays a report of any mismatching CPUs, as shown in the following example.


Note - The following example report, the names of the AMD controllers in the original Sun Fire X/X are used.



  • No SEL or DMI event is recorded.
  • The system enters Halt mode and the following message is displayed.

Hardware Error Handling Summary

This section contains a table that summarizes the most-common hardware errors that you might encounter with these servers.

 


Error

Description

Handling

Logged (DMI Log or SP SEL)

Fatal?

SP failure

The SP fails to boot upon application of system power.

The SP controls the system reset so the system may power on but will not come out of reset.

  • During power up, the SP's boot loader turns on the power LED.
  • During SP boot, Linux startup, and SP sanity check The power LED blinks.
  • The LED is turned off when SP management code (the IPMI stack) is started.
  • At exit of BIOS POST the LED goes to STEADY ON state.

Not logged

Fatal

SP failure

SP boots but fails POST.

The SP controls the system RESET so the system will not come out of reset.

Not logged

Fatal

BIOS POST failure

Server BIOS does not pass POST.

There are fatal and non-fatal errors in POST. The BIOS does detect some errors that are announced during POST as POST codes on the bottom right corner of the display on the serial console and on the video display. Some POST codes are forwarded to the SP for logging.

The POST codes described above do not come out in sequential order and some are repeated, because some POST codes are issued by code in add-in card BIOS expansion ROMs.

In the case of early POST failures (for example, the BSP fails to operate correctly) BIOS just halts without logging.

For some other POST failures subsequent to memory and SP initialization, the BIOS logs a message to the SP's SEL.

 

 

Single-bit DRAM ECC error

With ECC enabled in the BIOS Setup, the CPU detects and corrects a single-bit error on the DIMM interface.

The CPU corrects the error in hardware. No interrupt or machine check is generated by the hardware. The polling is triggered every half-second by SMI timer interrupts, and is done by the BIOS SMI handler.

The BIOS SMI handler starts logging each detected error, and stops logging when the limit for the same error is reached. The BIOS's polling is disablable through a software interface.

SP SEL

Normal operation

Single four-bit DRAM error

With CKIP-KILL enabled in the BIOS Setup, the CPU detects and corrects for the failure of a four-bit-wide DRAM on the DIMM interface.

The CPU corrects the error in hardware. No interrupt or machine check is generated by the hardware. The polling is triggered every half-second by SMI timer interrupts, and is done by the BIOS SMI handler.

The BIOS SMI handler starts logging each detected error, and stops logging when the limit for the same error is reached. The BIOS's polling is disablable via a software interface.

SP SEL

Normal operation

Uncorrectable DRAM ECC error

The CPU detects an uncorrectable multiple-bit DIMM error.

The "sync flood" method of handling this is used to prevent the erroneous data from being propogated across the HyperTransport links. The system reboots, the BIOS recovers the machine check register information, maps this information to the failing DIMM (when CHIPKILL is disabled) or DIMM pair (when CHIPKILL is enabled), and logs that information to the SP.

The BIOS will halt the CPU.

SP SEL

Fatal

Unsupported DIMM configuration

Unsupported DIMMs are used, or supported DIMMs are loaded improperly.

The BIOS displays an error message, logs an error, and halts the system.

DMI Log
SP SEL

Fatal

HyperTransport link failure

CRC or link error on one of the HyperTransport Links

Sync floods on HyperTransport links, the machine resets itself, and error information gets retained through reset.

The BIOS reports, .

DMI Log
SP SEL

Fatal

PCI SERR, PERR

System or parity error on a PCI bus

Sync floods on HyperTransport links, the machine resets itself, and error information gets retained through reset.

The BIOS reports, .

DMI Log
SP SEL

Fatal

BIOS POST Microcode Error

The BIOS could not find or load the CPU Microcode Update to the CPU. The message most likely appears when a new CPU is installed in a motherboard with an outdated BIOS. In this case, the BIOS must be updated.

The BIOS displays an error message, logs the error to DMI, and boots.

DMI Log

Non-fatal

BIOS POST CMOS Checksum Bad

CMOS contents failed the Checksum check.

The BIOS displays an error message, logs the error to DMI, and boots.

DMI Log

Non-fatal

Unsupported CPU configuration

The BIOS supports mismatched frequency and steppings in CPU configuration, but some CPUs might not be supported.

The BIOS displays an error message, logs the error, and halts the system.

DMI Log

Fatal

Correctable error

The CPU detects a variety of correctable errors in the MCi_STATUS registers.

The CPUcorrects the error in hardware. No interrupt or machine check is generated by the hardware. The polling is triggered every half-second by SMI timer interrupts, and is done by the BIOS SMI handler.

The SMI handler logs a message to the SP SEL if the SEL is available, otherwise SMI logs a message to DMI. The BIOS's polling is disablable through software SMI.

DMI Log
SP SEL

Normal operation

Single fan failure

Fan failure is detected by reading tach signals.

The Front Fan Fault, Service Action Required, and individual fan module LEDs are lit.

SP SEL

Non-fatal

Multiple fan failure

Fan failure is detected by reading tach signals.

The Front Fan Fault, Service Action Required, and individual fan module LEDs are lit.

SP SEL

Fatal

Single power supply failure

When any of the AC/DC PS_VIN_GOOD or PS_PWR_OK signals are deasserted.

Service Action Required, and Power Supply/Rear Fan Tray Fault LEDs are lit.

SP SEL

Non-fatal

DC/DC power converter failure

Any POWER_GOOD signal is deasserted from the DC/DC converters.

The Service Action Required LED is lit, the system is powered down to standby power mode, and the Power LED enters standby blink state.

SP SEL

Fatal

Voltage above/below Threshold

The SP monitors system voltages and detects voltage above or below a given threshold.

The Service Action Required LED and Power Supply/Rear Fan Tray Fault LED blink.

SP SEL

Fatal

High temperature

the SP monitors CPU and system temperatures, and detects temperature above a given threshold.

The Service Action Required LED and System Overheat Fault LED blink. The motherboard is shut down above the specified critical level.

SP SEL

Fatal

Processor thermal trip

The CPU drives the THERMTRIP_L signal upon detecting an overtemp condition.

CPLD shuts down power to the CPU. The Service Action Required LED and System Overheat Fault LED blink.

SP SEL

Fatal

Boot device Failure

The BIOS is not able to boot from a device in the boot device list.

The BIOS goes to the next boot device in the list. If all devices inthe list fail, an error message is displayed, retry from beginning of list. SP can control/change boot order

DMI Log

Non-fatal


 

Copyright &#; , Sun Microsystems, Inc. All Rights Reserved.

Hey everyone!

I am an enthusiastic and happy LinuxMint user! :D
I bought a new notebook (ASUS K70AD) and put Isadora on it - all is working fine, except when I shut down the system, it immediately reboots and is giving me the following info: "A Hyper Transport sync flood error occurred on last boot, press F2 to continue". I think it actually has nothing to do with Linux or any other OS, as other websites suggested. Also, a lot of websites describe what you need to do as a Windows user; which of course doesn't help much. Other websites also say, that this error occurs after stressing the system too much (e.g. when playing a game); but I hardly ever play games and the error occurs always when shutting down.
So I am wondering, if anyone knows what can be done about this error.
A step-by-step description of how to solve the problem would be helpful!

Thanks in advance!
Enna

Linux Mint 15 Olivia / bit / Cinnamon

Windows Hyper Transport sync flood error only when installing

Discus and support Hyper Transport sync flood error only when installing in Windows 10 Updates and Activation to solve the problem; MSI AMD Athlon Neo MV CPU, ATI Radeon HD Graphics, 4GB of Ram, BIOS legacy: I have tried several times to update to Windows 10 to Discussion in 'Windows 10 Updates and Activation' started by galaxys, Feb 19,

Thema:

Hyper Transport sync flood error only when installing

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  • Afraid: A hyper transport sync flood error occurred

    ERROR 15 ANDROID
    SAMSUNG 2010 ONLINE ERROR
    A hyper transport sync flood error occurred
    Amd overdrive failed to start error

    How to fix Hyper Transport sync flood error?

    How to fix Hyper Transport sync flood error?

    How can I fix the Hyper transport sync flood error?

    1. Check for the faulty CMOS battery. If the date and time are reset after every restart, it is most likely caused by a faulty CMOS battery.
    2. Check for BIOS issues. It is possible that your current BIOS version is causing the problem.
    3. Disable overclocking.
    4. Check your PSU.

    What is Hypertransport sync flood error?

    In case the current PSU is under-powered, you will keep encountering the &#;Hyper Transport sync flood error&#; error. This happens because your system needs more power than your PSU is capable of supplying.

    What is the CMOS battery?

    CMOS stands for “Complementary Metal Oxide Semiconductor.” The CMOS battery powers the BIOS firmware in your laptop [2]. BIOS needs to remain operational even when your computer isn&#;t plugged into a power source. When your computer gets unplugged, BIOS relies on the CMOS battery for power.

    How do I know if my CMOS battery needs replacing?

    Here are the CMOS battery failure symptoms:

    1. The laptop has difficult booting up.
    2. There&#;s a constant beeping noise from the motherboard.
    3. The date and time have reset.
    4. Peripherals aren&#;t responsive or they don&#;t respond correctly.
    5. Hardware drivers have disappeared.
    6. You can&#;t connect to the internet.

    Can PC work without CMOS battery?

    The CMOS battery is not there to provide power to the computer when it is in operation, it is there to maintain a small amount of power to the CMOS when the computer is powered off and unplugged. Without the CMOS battery, you would need to reset the clock every time you turned on the computer.

    What are signs canon color laser copier 350 error e010 bad CMOS battery?

    Here are the CMOS battery failure symptoms:

    • The laptop has difficult booting up.
    • There&#;s a constant beeping noise from the motherboard.
    • The date and time have reset.
    • Peripherals aren&#;t responsive or they don&#;t respond correctly.
    • Hardware drivers have disappeared.
    • You can&#;t connect to the internet.

    What happen if CMOS battery died?

    If the CMOS battery dies, settings will be lost when the computer is powered down. You will probably be asked to reset the time and date when you start the computer up. Sometimes the loss of settings will prevent the computer loading the operating system.

    What are a hyper transport sync flood error occurred common effect of bad dying CMOS battery?

    A constant beeping sound is another sign that your CMOS battery is dying. The final sign that your CMOS battery is going dead is that you&#;ll receive an error message. The three main types of error messages are: CMOS Checksum Error, CMOS Read Error and CMOS Battery Failure.

    Is there a hyper transport sync flood error?

    A hypertransport sync flood error occurred on last boot Solved &#; Windows 7 Help Forums

    What to do if you get error 0x?

    In the event that you no longer encounter the 0x error, consider uninstalling your current 3rd party suite motorola v3 critical error dead going for a different security suite. If you want to avoid other conflicts like this one, consider going for the built-in security solution. If the first two possible solutions have failed you, let’s try a different approach.

    Why is my hyper transport sync not working?

    HDMI out. According to this a failing power supply could be one cause amongst others. According to this a failing power supply could be one cause amongst others. Had spent time at that site previously. It&#;s information is 2 years or older, not definitely, and not related to Creators Update

    Hey everyone. I'm having a problem that I can't seem to fix. Around the middle of last year, my computer started shutting down while playing games. At first, it took an hour of playing before it would shut down, and then it was 30 minutes, then 10, and eventually only five minutes. Every time it gives me the message, "Hyper transport sync flood error occurred on last boot." I had never heard of this before. I began searching, and I found some people saying that you should update your graphics card's drivers, update your BIOS, and make sure your computer is well ventilated. I've done all of this and it continued to happen. A friend recommended that I watch my temperatures and check the GPU's fan while playing. We found that my graphics card was idling at a high temperature, and it continued to rise while playing until it reached 90 degrees, at which point it would shut down. On top of that, MSI Afterburner was getting a ridiculously-high reading on the fan's RPMs. This led us to believe that the card was bad and I should replace it. So I did, and the problem continued.

    Now I've done more research, and I've linked the problem to the Northbridge. I've heard that when the NB clock speed dips below the HT clock speed, you get a hyper transport error. I read that I should raise my NB clock so that there is a significant difference between the NB and HT clock. When I went into my BIOS, I found that there wasn't an option to change the NB speed like someone else was showing. I decided to lower my HT to GHz and test it out. After doing so, I was able to run a game for 30 minutes before it shut down. This is actually a huge improvement from the five minutes that I was getting on the same day before I lowered the HT clock.

    So what I'm wondering is if there's any harm in lowering the HT speed again, and if I do, will this fix the issue? If not, a hyper transport sync flood error occurred should I try next? Here's all of the specs that I feel relate to this. Let me know if there's something else that you need to know:

    Processor:
    AMD Phenom II X6 T (6 CPUs), ~ GHz
    Core Speed: MHz
    Bus Speed: MHz
    HT Link: MHz

    Motherboard:
    ECS ALM-M
    Chip: AMD G
    Southbridge: AMD SB

    Graphics Card:
    eVGA GeForce GTX A hyper transport sync flood error occurred SC

    And here's an image from the BIOS which provides some more information, including the options I have.

    I really don't know much about this stuff, so please let me know if I need to include anything else.

     



    Note - This chapter applies to all Sun Fire X/X M2 and X/X M2 servers, unless otherwise noted.



    This appendix contains information about how the servers process and log errors. See the following sections:

    Handling of Uncorrectable Errors

    This section lists facts and considerations about how the server handles uncorrectable errors.



    Note - The BIOS ChipKill feature must be disabled if you are testing for failures of multiple bits within a DRAM (ChipKill corrects for the failure of a four-bit wide DRAM).



    • The BIOS logs the error to the SP system event log (SEL), through the board management controller (BMC).
    • The SP's SEL is updated with the failing DIMM pair's particular bank address.
    • The system reboots.
    • The BIOS logs the error in DMI.


    Note - If the error is on low 1MB, a hyper transport sync flood error occurred, the BIOS freezes after rebooting. Therefore, no DMI log is recorded.



    • An example of the error is reported by the SEL through IPMI is as follows:
      • When low memory is erroneous, the BIOS is frozen on pre-boot low memory test because the BIOS cannot decompress itself into faulty DRAM and execute the following items:

      • When the faulty DIMM is beyond the BIOS's low 1MB extraction space, proper boot happens:

    • Note the following considerations for this revision:
      • Uncorrectable ECC Memory Error is not reported.
      • Multi-bit ECC errors are reported as.
      • On first reboot, BIOS logs a HyperTransport Error in the DMI log.
      • The BIOS disables the DIMM.
      • The BIOS sends the SEL records to the BMC.
      • The BIOS reboots again.
      • The BIOS skips the faulty DIMM on the next POST memory test.
      • The BIOS reports available memory, excluding the faulty DIMM pair.

    FIGURE E-1 shows an example of a DMI log screen from BIOS Setup Page.


    Graphic showing a sample DMI log screen.


    Handling of Correctable Errors

    This section lists facts and considerations about how the server handles correctable errors.

    • During BIOS POST:
      • The BIOS polls the MCK registers.
      • The BIOS logs to DMI.
      • The BIOS logs to the SP SEL through the BMC.
    • The feature is turned off at OS boot time by default, a hyper transport sync flood error occurred.
    • The following Linux versions report correctable ecc syndrome and memory fill errors inif kernel flag is indicated at boot time, or if is enabled through kernel compile or installation:
      • RH3 Update5 single core
      • RH4 Update1+
      • SLES9 SP1+
    • The Linux kernel () repeats a report every 30 seconds until another error is encountered and a flag is reset.
    • Solaris support provides full self-healing and automated diagnosis for the CPU and Memory subsystems.
    • FIGURE E-2 shows an example of a DMI log screen from BIOS Setup Page:

    Graphic showing a sample DMI log screen, with a correctable error shown.


    • If during any stage of memory testing the BIOS finds itself incapable of reading/writing to the DIMM, it takes the following actions:
      • The BIOS disables the DIMM as indicated by the Memory Decreased message in the example in FIGURE E
      • The BIOS logs an SEL record.
      • The BIOS logs an event in DMI.

    Graphic showing a sample DMI log screen, with a correctable error and memory decreased message.


    Handling of Parity Errors (PERR)

    This section lists facts and considerations about how the server handles parity errors (PERR).

    • The handling of parity errors works through NMIs.
    • During BIOS POST the NMI is logged in the DMI and the SP SEL, a hyper transport sync flood error occurred. See the following example command and output:

    • FIGURE E-4 shows an example of a DMI log screen from BIOS Setup Page, with a parity error.

    Graphic showing a sample DMI log screen, with a PCI parity error shown.


    • The BIOS displays the following messages and freezes (during POST or DOS):
    • The Linux NMI trap catches the interrupt and reports the following NMI "confusion report" sequence:



    Note - The Linux system reboots, but does not inform the BIOS of this incident.



    Handling of System Errors (SERR)

    This section lists facts and considerations about how the server handles system errors (SERR).

    • System error handling works through the HyperTransport Synch Flood Error mechanism in the AMD controller.
    • The following events happen during BIOS POST:
      • POST reports of any previous system errors at the bottom of screen. See FIGURE E-5 for an example.

    Graphic showing a sample POST screen, with system error listed.


      • SERR and HyperTransport Synch Flood Error are logged in DMI and the SP SEL. See the following sample output:

    • FIGURE E-6 shows an example DMI log screen from the BIOS Setup Page with a system error.

    Graphic showing a sample DMI log screen, with a system error listed.


    Handling Mismatching Processors

    This section lists facts and considerations about how the server handles mismatching processors.

    • The BIOS performs a complete POST.
    • The BIOS displays a report of any mismatching CPUs, as shown in the following example.


    Note - The following example report, the names of the AMD controllers in the original Sun Fire X/X are used.



    • No SEL or DMI event is a hyper transport sync flood error occurred.
    • The system enters Halt mode and the following message is displayed.

    Hardware Error Handling Summary

    This section contains a table that summarizes the most-common hardware errors that you might encounter with these servers.

     


    Error

    Description

    Handling

    Logged (DMI Log or SP SEL)

    Fatal?

    SP failure

    The SP fails to boot upon application of system power.

    The SP controls the system reset so the system may power on but will not come out of reset.

    • During power up, the SP's boot loader turns on the power LED.
    • During SP boot, Linux startup, and SP sanity check The power LED blinks.
    • The LED is turned off when SP management code (the IPMI stack) is started.
    • At exit of BIOS POST the LED goes to STEADY ON state.

    Not logged

    Fatal

    SP failure

    SP boots but fails POST.

    The SP controls the system RESET so the system will not come out of reset.

    Not logged

    Fatal

    BIOS POST failure

    Server BIOS does not pass POST.

    There are fatal and non-fatal errors in POST. The BIOS does detect some errors that are announced during POST as POST codes on the bottom right corner of the display on the serial console and on the video display. Some POST codes are forwarded to the SP for logging.

    The POST codes described above do not come out in sequential order and some are repeated, because some POST codes are issued by code in add-in card BIOS expansion ROMs.

    In the case of early POST failures (for example, the BSP fails to operate correctly) BIOS just halts without logging.

    For some other POST failures subsequent to memory and SP initialization, the BIOS logs a message to the SP's SEL.

     

     

    Single-bit DRAM ECC error

    With ECC enabled in the BIOS Setup, the CPU detects and corrects a single-bit error on the DIMM interface.

    The CPU corrects the error in hardware. No interrupt or machine check is generated by the hardware. The polling is triggered every half-second by SMI timer interrupts, and is done by the BIOS SMI handler.

    The BIOS SMI handler starts logging each detected error, and stops logging when the limit for the same error is reached. The BIOS's polling is disablable through a software interface.

    SP SEL

    Normal operation

    Single four-bit DRAM error

    With CKIP-KILL enabled in the BIOS Setup, the CPU detects and corrects for the failure of a four-bit-wide DRAM on the DIMM interface.

    The CPU corrects the error in hardware. No interrupt or machine check is generated by the hardware. The polling is triggered every half-second by SMI timer interrupts, and is done by the BIOS SMI handler.

    The BIOS SMI handler starts logging each detected error, and stops logging when the limit for the same error is reached. The BIOS's polling is disablable via a software interface.

    SP SEL

    Normal operation

    Uncorrectable DRAM ECC error

    The CPU detects an uncorrectable multiple-bit DIMM error.

    The "sync flood" method of handling this is used to prevent the erroneous data from being propogated across the HyperTransport links. The system reboots, the BIOS recovers the machine check register information, maps this information to the failing DIMM (when CHIPKILL is disabled) or DIMM pair (when CHIPKILL is enabled), and logs that information to the SP.

    The BIOS will halt the CPU.

    SP SEL

    Fatal

    Unsupported DIMM configuration

    Unsupported DIMMs are used, or supported DIMMs are loaded improperly.

    The BIOS displays an error message, logs an error, a hyper transport sync flood error occurred, and halts the system.

    DMI Log
    SP SEL

    Fatal

    HyperTransport link failure

    CRC or link error on one of the HyperTransport Links

    Sync floods on HyperTransport links, the machine resets itself, a hyper transport sync flood error occurred, and error information gets retained through reset.

    The BIOS reports.

    DMI Log
    SP SEL

    Fatal

    PCI SERR, PERR

    System or parity error on a PCI bus

    Sync floods on HyperTransport links, the machine resets itself, and error information gets retained through reset.

    The BIOS reports.

    DMI Log
    SP SEL

    Fatal

    BIOS POST A hyper transport sync flood error occurred Error

    The BIOS could not find or load the CPU Microcode Update to the CPU. The message most likely appears when a new CPU is installed in a motherboard with an outdated BIOS. In this case, the BIOS must be updated.

    The BIOS displays an error message, logs the error to DMI, and boots.

    DMI Log

    Non-fatal

    BIOS POST CMOS Checksum Bad

    CMOS contents failed the Checksum check.

    The BIOS displays an error message, logs the error to DMI, and boots.

    DMI Log

    Non-fatal

    Unsupported CPU configuration

    The BIOS supports mismatched frequency and steppings in CPU configuration, but some CPUs might not be supported.

    The BIOS displays an error message, logs the error, and halts the system.

    DMI Log

    Fatal

    Correctable error

    The CPU detects a variety of correctable errors in the MCi_STATUS registers.

    The CPUcorrects the error in hardware. No interrupt or machine check is generated by the hardware. The polling is triggered every half-second by SMI timer interrupts, a hyper transport sync flood error occurred, and is done by the BIOS SMI handler.

    The SMI handler logs a message to the SP SEL if the SEL is available, otherwise SMI logs a message to DMI. The BIOS's polling is disablable through software SMI.

    DMI Log
    SP SEL

    Normal operation

    Single fan failure

    Fan failure is detected by reading tach signals.

    The Front Fan Fault, Service Action Required, and individual fan module LEDs are lit.

    SP SEL

    Non-fatal

    Multiple fan failure

    Fan failure is detected by reading tach signals.

    The Front Fan Fault, Service Action Required, and individual fan module LEDs are lit.

    SP SEL

    Fatal

    Single power supply failure

    When any of the AC/DC PS_VIN_GOOD or PS_PWR_OK signals are deasserted.

    Service Action Required, and Power Supply/Rear Fan Tray Fault LEDs are lit.

    SP SEL

    Non-fatal

    DC/DC power converter failure

    Any POWER_GOOD signal is deasserted from the DC/DC converters.

    The Service Action Required LED is lit, the system is powered down to standby power mode, and the Power LED enters standby blink state.

    SP SEL

    Fatal

    Voltage above/below Threshold

    The SP monitors system voltages and detects voltage above or below a given threshold.

    The Service Action Required LED and Power Supply/Rear Fan Tray Fault LED blink.

    SP SEL

    Fatal

    High temperature

    the SP monitors CPU and system temperatures, and detects temperature above a given threshold.

    The Service Action Required LED and System Overheat Fault LED blink. The motherboard is shut down above the specified critical level.

    SP SEL

    Fatal

    Processor thermal trip

    The CPU drives the THERMTRIP_L signal upon detecting an overtemp condition.

    CPLD shuts down power to the CPU. The Service Action Required LED and System Overheat Fault LED blink.

    SP SEL

    Fatal

    Boot device Failure

    The BIOS is not able to boot from a device in the boot device list.

    The BIOS goes to the next boot device in the list. If all devices inthe list fail, an error message is displayed, retry from beginning of list. SP can control/change boot order

    DMI Log

    Non-fatal


     

    Copyright &#;Sun Microsystems, Inc. All Rights Reserved.

    Intermittent Hyper Transport sync flood error concerning GM-P33 motherboard

    An annoying, intermittent issue has popped up with my GM-P33 motherboard since I upgraded my desktop PC with said motherboard from Windows 7 Pro bit to Windows 10 Pro bit. The issue did not occur before the OS upgrade. The issue: When trying to bring my PC out of S3 (Sleep) mode, I too often get notified of a Hyper Transport sync flood error. This error does not come up every time I bring my PC out of S3 mode. In fact, the error message pops up less often than not. I've changed the motherboard's CMOS battery as well as the system's PSU. Unfortunately, the issue still reoccurs. The BIOS is the latest version for my motherboard (), and the system doesn't seem to be overclocked. Can someone please help me resolve the issue? For the record, the system has 8GB of RAM installed. The system's current PSU is a Corsair CV watt PSU. It replaces a Corsair HX watt PSU. I do admit that my problem may be caused by a compatibility issue with Windows The GM-P33 motherboard doesn't have any drivers officially related to Windows A good workaround would be nice. For the record, the version of Windows 10 that I'm using with my desktop PC is 21H1. At least so far, the error hasn't popped up when I bring my desktop PC out of S4 (Hibernate) mode.

    Let me specify: When my desktop PC comes out of S3 properly, the splash screen for my GM-P33 motherboard does not pop, a hyper transport sync flood error occurred. Instead, I am taken straight to Windows However, when the error does occur, the splash screen for the GM-P33 does pop up. Shortly afterwards, the Hyper Transport sync flood error pops up.

     

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