On Sat, Jan 15, 2022 at 08:14:43PM -0500, Ryan Kavanagh wrote: > On Sun, Jan 16, 2022 at 09:41:26AM +1100, Jonathan Gray wrote: > > On Sat, Jan 15, 2022 at 01:36:55PM -0500, Agnosto Dvonik wrote: > > > I have also noticed that the fans in the system start to whirr a bit > > > more when this happens than in normal usage. [...] > > > panic: kernel diagnostic assertion "p -> p_wchan == NULL" failed: file > > > "/usr/src/sys/kern/kern_sched.c", line 355 > > Could this be related to the bug I reported on 2022-01-13 in > <[email protected]>? I got the same panic > involving the same line number, albeit after following the sequence of > steps described there. I also get the system fan starting to whirr right > after the panic. I can still reproduce this bug on #253 (the latest > snapshot that was available to me via sysupgrade just now).
This report I believe is related to the recent drm changes. Your snapshot and mail are before that was committed. > > > Can you try with 'sysctl kern.splassert=2' that should print a stack > > trace to show where this is coming from. > > I tried doing so, but got no stack trace after the lockup. The last > message in ttyC0 before my system locks up is the above panic. I have > seen similar splassert messages at other times though and will provide a > stack trace the next time I see them. > > Best, > Ryan > > -- > |)|/ Ryan Kavanagh | 4E46 9519 ED67 7734 268F > |\|\ https://rak.ac | BD95 8F7B F8FC 4A11 C97A > >
