[Bug 253801] graphics/drm-fbsd13-kmod panic when resuming from sleep
bugzilla-noreply at freebsd.org
bugzilla-noreply at freebsd.org
Sat Mar 6 08:38:42 UTC 2021
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253801
Dave Cottlehuber <dch at freebsd.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |dch at freebsd.org
Severity|Affects Some People |Affects Many People
--- Comment #1 from Dave Cottlehuber <dch at freebsd.org> ---
I see a similar issue here, just 100% reproducible (0 successful resumes out of
more than 11). 13.0-BETA4. No visible panic, just black screen from startup,
but you can tell from the heat of the laptop that its locked up :).
Intel HD Graphics 620 (Dell XPS 13)
- https://wiki.freebsd.org/Laptops/Dell_XPS13_9360 is the exact laptop
- dmesg, acpiconf, sysctl, loader.conf etc
https://gist.github.com/dch/463caaaf723eabf84cf678b618b2d206
tried with & without following loader.conf tunables, and including below patch:
# https://github.com/freebsd/drm-kmod/issues/14
hw.i915kms.enable_psr=0
# cpu/gpu power tuning
drm.i915.enable_rc6=7
kern.hz=100
debug.cpufreq.lowest=600
hint.p4tcc.0.disabled="1"
hint.acpi_throttle.0.disabled="1"
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