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Tender
Apprentice
Joined: 05 Nov 2005
Posts: 166
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 Posted: Wed Aug 16, 2017 8:17 pm Post subject: /dev/mcelog is legacy on 4.12 kernel, mcelog vs rasdaemon? |
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Hi,
just installed 4.12.5, mcelog says:
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mcelog[3612]: Cannot open `/dev/mcelog': No such file or directory
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difference between 4.9.34 and 4.12.5 .config:
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midpower4 ~ # grep -i "mce" /root/config/linux-4.9.34
CONFIG_X86_MCE=y
CONFIG_X86_MCE_INTEL=y
CONFIG_X86_MCE_AMD=y
CONFIG_X86_MCE_THRESHOLD=y
CONFIG_X86_MCE_INJECT=m
CONFIG_EDAC_DECODE_MCE=m
# CONFIG_MCE_AMD_INJ is not set
midpower4 ~ # grep -i "mce" /usr/src/linux/.config
CONFIG_X86_MCE=y
# CONFIG_X86_MCELOG_LEGACY is not set
CONFIG_X86_MCE_INTEL=y
CONFIG_X86_MCE_AMD=y
CONFIG_X86_MCE_THRESHOLD=y
CONFIG_EDAC_DECODE_MCE=m
# CONFIG_MCE_AMD_INJ is not set
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4.12 has introduced CONFIG_X86_MCELOG_LEGACY
https://cateee.net/lkddb/web-lkddb/X86_MCELOG_LEGACY.html
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Enable support for /dev/mcelog which is needed by the old mcelog userspace logging daemon.
Consider switching to the new generation rasdaemon solution.
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I did not find rasdaemon in portage, is it the substitute for mcelog?
In the meantime, I will enable CONFIG_X86_MCELOG_LEGACY... |
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ct85711
Veteran
Joined: 27 Sep 2005
Posts: 1791
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| Posted: Wed Aug 16, 2017 9:33 pm Post subject: |
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Sadly, I don't know much about this rasdaemon, nor did I find much information about it.
The most I can find, is that it seems rasdaemon is more of mcelog remade with a few more capabilities. Beyond that, it looks like you can find the rasdaemon package from the eva overlay.
https://gpo.zugaina.org/sys-apps/rasdaemon |
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mstockin
n00b
Joined: 02 Jul 2004
Posts: 12
Location: Passau, Germany
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Goverp
Advocate
Joined: 07 Mar 2007
Posts: 2008
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| Posted: Thu Jul 12, 2018 5:17 pm Post subject: |
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Beware - necromancy:
I found this thread while reading up on MCE handling. You might like to read this topic
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Greybeard |
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