[Bug 253801] graphics/drm-fbsd13-kmod panic when resuming from sleep

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Sat Apr 17 08:03:53 UTC 2021


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253801

Alexey Dokuchaev <danfe at FreeBSD.org> changed:

           What    |Removed                     |Added
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                 CC|                            |danfe at FreeBSD.org
             Status|New                         |Open

--- Comment #11 from Alexey Dokuchaev <danfe at FreeBSD.org> ---
(In reply to Patricio Villar from comment #10)
> This is, [resuming from sleep] works most of the time, but still fails once
> in a while.  Unlike 12.2-RELEASE, where it just works all of the time...
Could it be that back when you were on 12.2, you also had different version of
`graphics/gpu-firmware-kmod' port installed?

My i5-7200U-based (Kaby Lake, HD620) laptop stopped resuming reliably after big
DRM-related ports update which I did in January.  At first I've suspected
`graphics/drm-current-kmod' port causes this (they've recently started to
follow Linux 5.4 and I've seen people reported a handful of regressions
compared to 4.16), so I've iteratively tried every port revision down to
drm-current-kmod-4.16.g20200320 (r548207) which definitely worked before, but
the resume was still broken.  Then I've downgraded the firmware port to
gpu-firmware-kmod-g20200130 (r524664) and resume become reliable again.

It's kind of strange, as commit logs mention only changes related to AMD chips,
but you might still wanna try to downgrade the firmware package and see if it
makes a difference.

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