Originally posted by zerothruster
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Intel Releases New Microcode For Skylake CPUs (20200616)
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Originally posted by zerothruster View Postnow there is a report of a hang on a high-end (Xeon) 5e machine.
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Originally posted by archkde View PostJudging by the revision number, this "update" actually reverts the microcode for the affected models to the older version that does not hang the processor as soon as trying to apply it.
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Judging by the revision number, this "update" actually reverts the microcode for the affected models to the older version that does not hang the processor as soon as trying to apply it.
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The problem with unbootable systems seems to have been confined to the -4e- versions, at least from looking at the issue on Monday. My own -5e- i3 was booting with the 20200609 microcode and with linux-5.7.2 it reported it had Microcode mitigation for SRBDS. So, if I "update" to the latest release (which reverts all the skylake updates to what was available at the back end of last year) I'll lose that.
Of course, for my use-case SRBDS doesn't seem to be a major threat, but this is still disappointing.
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Originally posted by aphysically View PostA lot of distributions were having to nuke one of the last microcode updates because it was making certain systems unbootable.
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Originally posted by scratchi View Post
I assume this might be impacting RHEL too in this case.
- 6.10 https://bugzilla.redhat.com/show_bug.cgi?id=1846134
- 7.9 https://bugzilla.redhat.com/show_bug.cgi?id=1846133
- 8.3 https://bugzilla.redhat.com/show_bug.cgi?id=1846119
Turns out I was mistaken in my prior posting, our Skylake (Xeon Gold 6148) servers were running off of the base 2.1-61microcode (C7.8), and not the problematic 2.1-61.6. Going to hold off until this 'update' gets pushed downstream to us.
Cheers,
MikeLast edited by mroche; 16 June 2020, 04:42 PM.
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Originally posted by aphysically View PostA lot of distributions were having to nuke one of the last microcode updates because it was making certain systems unbootable. Could the update be related?
https://github.com/intel/Intel-Linux...iles/issues/31
I assume this might be impacting RHEL too in this case.
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A lot of distributions were having to nuke one of the last microcode updates because it was making certain systems unbootable. Could the update be related?
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