https://www.phoronix.com/scan.php?page=news_item&px=Samsung-860-870-More-Quirks
The fix for now is to use this as a kernel boot argument:
libata.force=noncq,noncqtrim
and verifying
/sys/class/scsi_host/host0/link_power_management_policy = max_performance
If you’re on a laptop, you may have to make an elevated service to manually write the value to /sys/class/…
The kernel bugtracker:
https://bugzilla.kernel.org/show_bug.cgi?id=203475
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Do I understand correctly that not all 860/870 are affected, but NCQ and NCQtrim will be disabled for all 860/870 models?
Based on comments and a personal experience 860 pro model should not be affected, but it will also get a performance hit with NCQ disabled…
For the bugtracker, they do seem to be adding the quirk for ALL 860/870 SSDs.
Might be time to get your voice heard in the bugtracker.
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