Just upgraded to 6.4 stable release and the log is spewing out some ACPI errors...


peeqi

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Here are the errors from the log:

 

Jan 13 16:00:52 UNRAID kernel: ACPI Error: SMBus/IPMI/GenericSerialBus write requires Buffer of length 66, found length 32 (20170728/exfield-427)
Jan 13 16:00:52 UNRAID kernel: ACPI Error: Method parse/execution failed \_SB.PMI0._PMM, AE_AML_BUFFER_LIMIT (20170728/psparse-550)
Jan 13 16:00:52 UNRAID kernel: ACPI Exception: AE_AML_BUFFER_LIMIT, Evaluating _PMM (20170728/power_meter-338)
Jan 13 16:00:53 UNRAID kernel: ACPI Error: SMBus/IPMI/GenericSerialBus write requires Buffer of length 66, found length 32 (20170728/exfield-427)
Jan 13 16:00:53 UNRAID kernel: ACPI Error: Method parse/execution failed \_SB.PMI0._PMM, AE_AML_BUFFER_LIMIT (20170728/psparse-550)
Jan 13 16:00:53 UNRAID kernel: ACPI Exception: AE_AML_BUFFER_LIMIT, Evaluating _PMM (20170728/power_meter-338)

....

Jan 13 16:01:01 UNRAID kernel: ACPI Error: SMBus/IPMI/GenericSerialBus write requires Buffer of length 66, found length 32 (20170728/exfield-427)
Jan 13 16:01:01 UNRAID kernel: ACPI Error: Method parse/execution failed \_SB.PMI0._PMM, AE_AML_BUFFER_LIMIT (20170728/psparse-550)
Jan 13 16:01:01 UNRAID kernel: ACPI Exception: AE_AML_BUFFER_LIMIT, Evaluating _PMM (20170728/power_meter-338)
Jan 13 16:01:02 UNRAID kernel: ACPI Error: SMBus/IPMI/GenericSerialBus write requires Buffer of length 66, found length 32 (20170728/exfield-427)
Jan 13 16:01:02 UNRAID kernel: ACPI Error: Method parse/execution failed \_SB.PMI0._PMM, AE_AML_BUFFER_LIMIT (20170728/psparse-550)
Jan 13 16:01:02 UNRAID kernel: ACPI Exception: AE_AML_BUFFER_LIMIT, Evaluating _PMM (20170728/power_meter-338)

 

My UNRAID server is a HPE microserver gen8 with 16 GB RAM ECC, 1 parity 3 data drives and 1 SSD for cache.

unraid-diagnostics-20180113-1613.zip

Edited by peeqi
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  • 2 months later...
Hi
My friend is getting exactly the same issue as this with his Microserver gen8, however I have exactly the same server and do not.
Can we please look at a solution for this ?
Many thanks
K


I have a gen8 microserver as well and get these messages, i did some investigation and its not an Unraid issue, plenty of posts out on the internet around similar messages (buffer size changes from memory). Its basically a bios/firmware issue and which requires an update from HP. Beyond that i didnt look any further as it diesnt affect the server (other than filling the logs)
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Tom's reply is the fix I used and it has worked ever since. You just have to exclude the power meter. There is a later BIOS but you can only download it if you're in warranty or presumably if you pay for a service contract which, given the insanely low cost of these things, would be rather pointless. There's no guarantee that if would fix the problem anyway while the sensors-quirk approach does.

 

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