XPost: linux.debian.kernel

Source: linux
Version: 5.10.0-29
Severity: important
X-Debbugs-Cc: kupfer@rawbw.com

Dear Maintainer,

With the 5.10.0-29 kernel, my Dell Latitude E7250 hangs when resuming
from suspend-to-RAM. I have not once gotten a successful resume; this
problem does not appear at all with the 5.10.0-28 kernel.

The visible symptom is that I see the display as it was at the time of
suspend, but there is no response to the trackpad or keyboard. If
there is a screen locker that displays the time (e.g., Cinnamon), the time-of-suspend is displayed, even when the resume happens several
minutes (or longer) after the suspend. I have tried the following
desktop sessions: Cinnamon, i3, and maybe Xfce, too. I've also seen
this hang after suspending from the lightdm login screen.

I have also seen the same (or at least a similar) hang a couple times
with the 5.10.0-29 kernel on a different system. That one is a
ZaReason Limbo (AMD FX-6300 processor, Radeon graphics). Most of the
time, though, I can resume that system okay, at least with Cinnamon
and i3.

-- System Information:
Debian Release: 11.9
APT prefers oldstable-security
APT policy: (500, 'oldstable-security'), (500, 'oldstable')
Architecture: amd64 (x86_64)

Kernel: Linux 5.10.0-29-amd64 (SMP w/4 CPU threads)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

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