Date: Mon, 25 May 2020 08:26:26 -0700 From: Pete Wright <pete@nomadlogic.org> To: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: lockups on lenovo p43s under current Message-ID: <75067de1-3005-b4ae-cdd3-c8317aeeeefb@nomadlogic.org> In-Reply-To: <de74309e-3ae1-91ed-e11a-08677713af9b@nomadlogic.org> References: <de74309e-3ae1-91ed-e11a-08677713af9b@nomadlogic.org>
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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@nomadlogic.org @nomadlogicLA
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