On 5/11/20 3:16 PM, Pete Wright wrote: > hello, > i have a lenovo thinkpad P43s that exhibits lockups under CURRENT but > behaves fine when running STABLE. i've tried to find a fully > reproducible situation to get this system to lockup but haven't found > anything yet. i am starting to suspect that the changes implemented > in this review may be the issue though: > > https://reviews.freebsd.org/D23728 > > my reasoning is that i've observed issues when: > - removing AC power from the laptop, or inserting AC power > - when the system display has gone to sleep > - randomly hanging during boot with this as last line: > battery0: battery enitialization start > > unfortunately while the above seem to be cases where this has happened > i haven't been able to %100 reproduce yet. > > so my first question is - would it be possible to just revert the > changes in that diff, or has too much time gone past to just back out > that single change. alternatively, is there any debugging information > i can get on my end that might help figure out what the root cause is? > closing the loop on this - I am able to run CURRENT on this system by defining this in /boot/loader.conf: hint.hwpstate_intel.0.disabled="1" thanks to Diane Bruce for mentioning this issue in the following thread which gave me the hint i needed: https://lists.freebsd.org/pipermail/freebsd-current/2020-May/076123.html -pete -- Pete Wright pete_at_nomadlogic.org _at_nomadlogicLAReceived on Mon May 25 2020 - 13:26:28 UTC
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