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Bug#1108250: marked as done (firmware-intel-graphics: i915 timeout errors after firmware upgrade)

Your message dated Fri, 11 Jul 2025 12:57:21 +0200
with message-id <8076a998a4fa4a65e7799d6c6e7c96bdcad08300.camel@decadent.org.uk>
and subject line Re: firmware-intel-graphics: i915 timeout errors after firmware upgrade
has caused the Debian Bug report #1108250,
regarding firmware-intel-graphics: i915 timeout errors after firmware upgrade
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
1108250: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1108250
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: firmware-intel-graphics
Version: 20250410-2~bpo12+1
Severity: normal

Dear Maintainer,

After upgrading firmware-intel-graphics from 20240709-2~bpo12+1 to
20250410-2~bpo12+1 I noticed errors in the i915 module that also
caused the display to flicker and shut down. Moreover, X11 sometimes
hung fatally (uninterruptible sleep => only fixable by reboot).

Downgrading firmware-intel-graphics to 20240709-2~bpo12+1 resolved all
issues for me so far.

I am using kernel 6.12.30+bpo-amd64 on an Intel Atom E3826 with
integrated graphics.

Excerpt from dmesg with buggy firmware:

[  455.245008] i915 0000:00:02.0: [drm] *ERROR* flip_done timed out
[  455.245042] i915 0000:00:02.0: [drm] *ERROR* [PLANE:32:primary A] commit wait timed out
[  455.349035] ------------[ cut here ]------------
[  455.349061] i915 0000:00:02.0: [drm] vblank wait timed out on crtc 0

[  455.350524] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Tainted: G        W          6.12.30+bpo-amd64 #1  Debian 6.12.30-1~bpo12+1
[  455.350555] Tainted: [W]=WARN
[  455.350565] Hardware name: CINCOZE DA1000/DA1000, BIOS 5.6.5 09/26/2018
[  455.350580] Workqueue: events drm_mode_rmfb_work_fn [drm]
[  455.351013] RIP: 0010:drm_wait_one_vblank+0x1f0/0x210 [drm]

[  465.488572] i915 0000:00:02.0: [drm] *ERROR* [CRTC:53:pipe A] flip_done timed out
[  475.726563] i915 0000:00:02.0: [drm] *ERROR* flip_done timed out
[  475.726597] i915 0000:00:02.0: [drm] *ERROR* [CRTC:53:pipe A] commit wait timed out
[  485.967334] i915 0000:00:02.0: [drm] *ERROR* flip_done timed out
[  485.967370] i915 0000:00:02.0: [drm] *ERROR* [CONNECTOR:86:HDMI-A-1] commit wait timed out

Do you need a full dmesg or more information about my hardware?

Best,
Maximilian

--- End Message ---
--- Begin Message --- 
On Fri, 2025-07-11 at 12:49 +0200, Maximilian Stein wrote:
> Hi Ben,
> 
> Thanks for reaching out.
> 
> It appears that the bug has been gone with a kernel upgrade to 6.12.32+bpo-amd64 (and firmware-intel-graphics on 20250410-2~bpo12+1).
> 
> Its running on the newer kernel/firmware for several days now without any issues. So, it was probably a kernel issue (although I don't know why downgrading the firmware package had worked, too).
>  
> So, I guess we can close the issue.

OK, closing.

Ben.

-- 
Ben Hutchings
Theory and practice are closer in theory than in practice - John Levine

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