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Groups > linux.debian.kernel > #83922 > unrolled thread

Bug#1081546: new "GPU HANG: ecode 12:1:85dffdfb, in Renderer" regression in i915 driver since 6.10 kernel upgrade

Started byAntoine Beaupré <anarcat@debian.org>
First post2024-09-12 20:40 +0200
Last post2025-04-24 15:40 +0200
Articles 5 — 2 participants

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  Bug#1081546: new "GPU HANG: ecode 12:1:85dffdfb, in Renderer" regression in i915 driver since 6.10 kernel upgrade Antoine Beaupré <anarcat@debian.org> - 2024-09-12 20:40 +0200
    Bug#1081546: new "GPU HANG: ecode 12:1:85dffdfb, in Renderer" regression in i915 driver since 6.10 kernel upgrade Salvatore Bonaccorso <carnil@debian.org> - 2025-03-22 14:50 +0100
      Bug#1081546: new "GPU HANG: ecode 12:1:85dffdfb, in Renderer" regression in i915 driver since 6.10 kernel upgrade Salvatore Bonaccorso <carnil@debian.org> - 2025-04-24 15:10 +0200
        Bug#1081546: new "GPU HANG: ecode 12:1:85dffdfb, in Renderer" regression in i915 driver since 6.10 kernel upgrade Antoine Beaupré <anarcat@debian.org> - 2025-04-24 15:40 +0200
          Bug#1081546: new "GPU HANG: ecode 12:1:85dffdfb, in Renderer" regression in i915 driver since 6.10 kernel upgrade Salvatore Bonaccorso <carnil@debian.org> - 2025-04-24 15:40 +0200

#83922 — Bug#1081546: new "GPU HANG: ecode 12:1:85dffdfb, in Renderer" regression in i915 driver since 6.10 kernel upgrade

FromAntoine Beaupré <anarcat@debian.org>
Date2024-09-12 20:40 +0200
SubjectBug#1081546: new "GPU HANG: ecode 12:1:85dffdfb, in Renderer" regression in i915 driver since 6.10 kernel upgrade
Message-ID<JlWTv-bOLH-3@gated-at.bofh.it>
The same fellow DD who suggested filing this bug helpfully found what
seems to be a similar issue:

https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/7549

... except that bug report is much older, and seems to apply to 5.x
kernels. I didn't have that issue back then, nor in 6.9, so I don't
think it's the same issue (nor is it the same symptoms).

Digging in that issue tracker, however, i do find a bunch of somewhat
similar regressions:

https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11797
https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11899
https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11975

I'll also add some more data to back up my claim this is a new
regression from the upgrade:

anarcat@angela:~$ sudo grep -c GPU\ HANG /var/log/kern.log*
/var/log/kern.log:7
/var/log/kern.log.1:0
/var/log/kern.log.2.gz:0
/var/log/kern.log.3.gz:0
/var/log/kern.log.4.gz:0
anarcat@angela:~$ ls -al /var/log/kern.log*
-rw-r----- 1 root adm 2 082 950 2024-09-12 14:30 /var/log/kern.log
-rw-r----- 1 root adm 3 420 621 2024-09-10 09:54 /var/log/kern.log.1
-rw-r----- 1 root adm   285 294 2024-09-03 09:21 /var/log/kern.log.2.gz
-rw-r----- 1 root adm   386 756 2024-08-26 08:53 /var/log/kern.log.3.gz
-rw-r----- 1 root adm   248 500 2024-08-18 00:00 /var/log/kern.log.4.gz

ie. 7 hangs in the `kern.log` file, which started two days ago, and none
in the other files, going back a month.

Interestingly, the kernel was upgraded early after the kern.log.1
rotation:

Start-Date: 2024-09-04  09:30:57
Commandline: apt upgrade
Requested-By: anarcat (1000)
Install: linux-kbuild-6.10.6+bpo:amd64 (6.10.6-1~bpo12+1, automatic), linux-image-6.10.6+bpo-amd64:amd64 (6.10.6-1~bpo12+1, automatic), linux-headers-6.10.6+bpo-amd64:amd64 (6.10.6-1~bpo12+1, automatic), linux-headers-6.10.6+bpo-common:amd64 (6.10.6-1~bpo12+1, automatic)
Upgrade: linux-cpupower:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1), linux-headers-amd64:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1), dh-debputy:amd64 (0.1.39~bpo12+1, 0.1.48~bpo12+1), libssl3:amd64 (3.0.14-1~deb12u1, 3.0.14-1~deb12u2), linux-image-amd64:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1), tailspin:amd64 (2.0.0+dfsg-1, 3.0.2+dfsg-1), libssl-dev:amd64 (3.0.14-1~deb12u1, 3.0.14-1~deb12u2), python3-lsprotocol:amd64 (2023.0.0-1, 2023.0.1-1~bpo12+1), libcpupower1:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1), firefox-esr:amd64 (115.14.0esr-1~deb12u1, 115.15.0esr-1~deb12u1), openssl:amd64 (3.0.14-1~deb12u1, 3.0.14-1~deb12u2), linux-libc-dev:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1)
End-Date: 2024-09-04  09:31:48

... but I booted in the new kernel only 4 days ago:

anarcat@angela:~$ last reboot
reboot   system boot  6.10.6+bpo-amd64 Thu Sep 12 11:12   still running
reboot   system boot  6.10.6+bpo-amd64 Tue Sep 10 09:54   still running
reboot   system boot  6.10.6+bpo-amd64 Mon Sep  9 09:24   still running
reboot   system boot  6.10.6+bpo-amd64 Sun Sep  8 12:36   still running

... so this would probably explain the lack of hangs in the older log.

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#86551

FromSalvatore Bonaccorso <carnil@debian.org>
Date2025-03-22 14:50 +0100
Message-ID<Kt7oC-7U9M-13@gated-at.bofh.it>
In reply to#83922
Hi,

On Thu, Sep 12, 2024 at 02:34:26PM -0400, Antoine Beaupré wrote:
> The same fellow DD who suggested filing this bug helpfully found what
> seems to be a similar issue:
> 
> https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/7549
> 
> ... except that bug report is much older, and seems to apply to 5.x
> kernels. I didn't have that issue back then, nor in 6.9, so I don't
> think it's the same issue (nor is it the same symptoms).
> 
> Digging in that issue tracker, however, i do find a bunch of somewhat
> similar regressions:
> 
> https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11797
> https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11899
> https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11975
> 
> I'll also add some more data to back up my claim this is a new
> regression from the upgrade:
> 
> anarcat@angela:~$ sudo grep -c GPU\ HANG /var/log/kern.log*
> /var/log/kern.log:7
> /var/log/kern.log.1:0
> /var/log/kern.log.2.gz:0
> /var/log/kern.log.3.gz:0
> /var/log/kern.log.4.gz:0
> anarcat@angela:~$ ls -al /var/log/kern.log*
> -rw-r----- 1 root adm 2 082 950 2024-09-12 14:30 /var/log/kern.log
> -rw-r----- 1 root adm 3 420 621 2024-09-10 09:54 /var/log/kern.log.1
> -rw-r----- 1 root adm   285 294 2024-09-03 09:21 /var/log/kern.log.2.gz
> -rw-r----- 1 root adm   386 756 2024-08-26 08:53 /var/log/kern.log.3.gz
> -rw-r----- 1 root adm   248 500 2024-08-18 00:00 /var/log/kern.log.4.gz
> 
> ie. 7 hangs in the `kern.log` file, which started two days ago, and none
> in the other files, going back a month.
> 
> Interestingly, the kernel was upgraded early after the kern.log.1
> rotation:
> 
> Start-Date: 2024-09-04  09:30:57
> Commandline: apt upgrade
> Requested-By: anarcat (1000)
> Install: linux-kbuild-6.10.6+bpo:amd64 (6.10.6-1~bpo12+1, automatic), linux-image-6.10.6+bpo-amd64:amd64 (6.10.6-1~bpo12+1, automatic), linux-headers-6.10.6+bpo-amd64:amd64 (6.10.6-1~bpo12+1, automatic), linux-headers-6.10.6+bpo-common:amd64 (6.10.6-1~bpo12+1, automatic)
> Upgrade: linux-cpupower:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1), linux-headers-amd64:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1), dh-debputy:amd64 (0.1.39~bpo12+1, 0.1.48~bpo12+1), libssl3:amd64 (3.0.14-1~deb12u1, 3.0.14-1~deb12u2), linux-image-amd64:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1), tailspin:amd64 (2.0.0+dfsg-1, 3.0.2+dfsg-1), libssl-dev:amd64 (3.0.14-1~deb12u1, 3.0.14-1~deb12u2), python3-lsprotocol:amd64 (2023.0.0-1, 2023.0.1-1~bpo12+1), libcpupower1:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1), firefox-esr:amd64 (115.14.0esr-1~deb12u1, 115.15.0esr-1~deb12u1), openssl:amd64 (3.0.14-1~deb12u1, 3.0.14-1~deb12u2), linux-libc-dev:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1)
> End-Date: 2024-09-04  09:31:48
> 
> ... but I booted in the new kernel only 4 days ago:
> 
> anarcat@angela:~$ last reboot
> reboot   system boot  6.10.6+bpo-amd64 Thu Sep 12 11:12   still running
> reboot   system boot  6.10.6+bpo-amd64 Tue Sep 10 09:54   still running
> reboot   system boot  6.10.6+bpo-amd64 Mon Sep  9 09:24   still running
> reboot   system boot  6.10.6+bpo-amd64 Sun Sep  8 12:36   still running
> 
> ... so this would probably explain the lack of hangs in the older log.

I assume the problem is still present in fresh kernel in unstable or
experimental? If so can you report it upstream as Ben suggested and
link back here the specific report?

Regards,
Salvatore

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#86986

FromSalvatore Bonaccorso <carnil@debian.org>
Date2025-04-24 15:10 +0200
Message-ID<KF4v0-fSOK-15@gated-at.bofh.it>
In reply to#86551
Hi Antoine,

On Sat, Mar 22, 2025 at 02:41:43PM +0100, Salvatore Bonaccorso wrote:
> Hi,
> 
> On Thu, Sep 12, 2024 at 02:34:26PM -0400, Antoine Beaupré wrote:
> > The same fellow DD who suggested filing this bug helpfully found what
> > seems to be a similar issue:
> > 
> > https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/7549
> > 
> > ... except that bug report is much older, and seems to apply to 5.x
> > kernels. I didn't have that issue back then, nor in 6.9, so I don't
> > think it's the same issue (nor is it the same symptoms).
> > 
> > Digging in that issue tracker, however, i do find a bunch of somewhat
> > similar regressions:
> > 
> > https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11797
> > https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11899
> > https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11975
> > 
> > I'll also add some more data to back up my claim this is a new
> > regression from the upgrade:
> > 
> > anarcat@angela:~$ sudo grep -c GPU\ HANG /var/log/kern.log*
> > /var/log/kern.log:7
> > /var/log/kern.log.1:0
> > /var/log/kern.log.2.gz:0
> > /var/log/kern.log.3.gz:0
> > /var/log/kern.log.4.gz:0
> > anarcat@angela:~$ ls -al /var/log/kern.log*
> > -rw-r----- 1 root adm 2 082 950 2024-09-12 14:30 /var/log/kern.log
> > -rw-r----- 1 root adm 3 420 621 2024-09-10 09:54 /var/log/kern.log.1
> > -rw-r----- 1 root adm   285 294 2024-09-03 09:21 /var/log/kern.log.2.gz
> > -rw-r----- 1 root adm   386 756 2024-08-26 08:53 /var/log/kern.log.3.gz
> > -rw-r----- 1 root adm   248 500 2024-08-18 00:00 /var/log/kern.log.4.gz
> > 
> > ie. 7 hangs in the `kern.log` file, which started two days ago, and none
> > in the other files, going back a month.
> > 
> > Interestingly, the kernel was upgraded early after the kern.log.1
> > rotation:
> > 
> > Start-Date: 2024-09-04  09:30:57
> > Commandline: apt upgrade
> > Requested-By: anarcat (1000)
> > Install: linux-kbuild-6.10.6+bpo:amd64 (6.10.6-1~bpo12+1, automatic), linux-image-6.10.6+bpo-amd64:amd64 (6.10.6-1~bpo12+1, automatic), linux-headers-6.10.6+bpo-amd64:amd64 (6.10.6-1~bpo12+1, automatic), linux-headers-6.10.6+bpo-common:amd64 (6.10.6-1~bpo12+1, automatic)
> > Upgrade: linux-cpupower:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1), linux-headers-amd64:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1), dh-debputy:amd64 (0.1.39~bpo12+1, 0.1.48~bpo12+1), libssl3:amd64 (3.0.14-1~deb12u1, 3.0.14-1~deb12u2), linux-image-amd64:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1), tailspin:amd64 (2.0.0+dfsg-1, 3.0.2+dfsg-1), libssl-dev:amd64 (3.0.14-1~deb12u1, 3.0.14-1~deb12u2), python3-lsprotocol:amd64 (2023.0.0-1, 2023.0.1-1~bpo12+1), libcpupower1:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1), firefox-esr:amd64 (115.14.0esr-1~deb12u1, 115.15.0esr-1~deb12u1), openssl:amd64 (3.0.14-1~deb12u1, 3.0.14-1~deb12u2), linux-libc-dev:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1)
> > End-Date: 2024-09-04  09:31:48
> > 
> > ... but I booted in the new kernel only 4 days ago:
> > 
> > anarcat@angela:~$ last reboot
> > reboot   system boot  6.10.6+bpo-amd64 Thu Sep 12 11:12   still running
> > reboot   system boot  6.10.6+bpo-amd64 Tue Sep 10 09:54   still running
> > reboot   system boot  6.10.6+bpo-amd64 Mon Sep  9 09:24   still running
> > reboot   system boot  6.10.6+bpo-amd64 Sun Sep  8 12:36   still running
> > 
> > ... so this would probably explain the lack of hangs in the older log.
> 
> I assume the problem is still present in fresh kernel in unstable or
> experimental? If so can you report it upstream as Ben suggested and
> link back here the specific report?

Any news here?

Regards,
Salvatore

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#86995

FromAntoine Beaupré <anarcat@debian.org>
Date2025-04-24 15:40 +0200
Message-ID<KF4Y1-fT18-17@gated-at.bofh.it>
In reply to#86986
On 2025-04-24 14:58:09, Salvatore Bonaccorso wrote:
> Hi Antoine,
>
> On Sat, Mar 22, 2025 at 02:41:43PM +0100, Salvatore Bonaccorso wrote:
>> Hi,
>> 
>> On Thu, Sep 12, 2024 at 02:34:26PM -0400, Antoine Beaupré wrote:
>> > The same fellow DD who suggested filing this bug helpfully found what
>> > seems to be a similar issue:
>> > 
>> > https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/7549
>> > 
>> > ... except that bug report is much older, and seems to apply to 5.x
>> > kernels. I didn't have that issue back then, nor in 6.9, so I don't
>> > think it's the same issue (nor is it the same symptoms).
>> > 
>> > Digging in that issue tracker, however, i do find a bunch of somewhat
>> > similar regressions:
>> > 
>> > https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11797
>> > https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11899
>> > https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11975
>> > 
>> > I'll also add some more data to back up my claim this is a new
>> > regression from the upgrade:
>> > 
>> > anarcat@angela:~$ sudo grep -c GPU\ HANG /var/log/kern.log*
>> > /var/log/kern.log:7
>> > /var/log/kern.log.1:0
>> > /var/log/kern.log.2.gz:0
>> > /var/log/kern.log.3.gz:0
>> > /var/log/kern.log.4.gz:0
>> > anarcat@angela:~$ ls -al /var/log/kern.log*
>> > -rw-r----- 1 root adm 2 082 950 2024-09-12 14:30 /var/log/kern.log
>> > -rw-r----- 1 root adm 3 420 621 2024-09-10 09:54 /var/log/kern.log.1
>> > -rw-r----- 1 root adm   285 294 2024-09-03 09:21 /var/log/kern.log.2.gz
>> > -rw-r----- 1 root adm   386 756 2024-08-26 08:53 /var/log/kern.log.3.gz
>> > -rw-r----- 1 root adm   248 500 2024-08-18 00:00 /var/log/kern.log.4.gz
>> > 
>> > ie. 7 hangs in the `kern.log` file, which started two days ago, and none
>> > in the other files, going back a month.
>> > 
>> > Interestingly, the kernel was upgraded early after the kern.log.1
>> > rotation:
>> > 
>> > Start-Date: 2024-09-04  09:30:57
>> > Commandline: apt upgrade
>> > Requested-By: anarcat (1000)
>> > Install: linux-kbuild-6.10.6+bpo:amd64 (6.10.6-1~bpo12+1, automatic), linux-image-6.10.6+bpo-amd64:amd64 (6.10.6-1~bpo12+1, automatic), linux-headers-6.10.6+bpo-amd64:amd64 (6.10.6-1~bpo12+1, automatic), linux-headers-6.10.6+bpo-common:amd64 (6.10.6-1~bpo12+1, automatic)
>> > Upgrade: linux-cpupower:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1), linux-headers-amd64:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1), dh-debputy:amd64 (0.1.39~bpo12+1, 0.1.48~bpo12+1), libssl3:amd64 (3.0.14-1~deb12u1, 3.0.14-1~deb12u2), linux-image-amd64:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1), tailspin:amd64 (2.0.0+dfsg-1, 3.0.2+dfsg-1), libssl-dev:amd64 (3.0.14-1~deb12u1, 3.0.14-1~deb12u2), python3-lsprotocol:amd64 (2023.0.0-1, 2023.0.1-1~bpo12+1), libcpupower1:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1), firefox-esr:amd64 (115.14.0esr-1~deb12u1, 115.15.0esr-1~deb12u1), openssl:amd64 (3.0.14-1~deb12u1, 3.0.14-1~deb12u2), linux-libc-dev:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1)
>> > End-Date: 2024-09-04  09:31:48
>> > 
>> > ... but I booted in the new kernel only 4 days ago:
>> > 
>> > anarcat@angela:~$ last reboot
>> > reboot   system boot  6.10.6+bpo-amd64 Thu Sep 12 11:12   still running
>> > reboot   system boot  6.10.6+bpo-amd64 Tue Sep 10 09:54   still running
>> > reboot   system boot  6.10.6+bpo-amd64 Mon Sep  9 09:24   still running
>> > reboot   system boot  6.10.6+bpo-amd64 Sun Sep  8 12:36   still running
>> > 
>> > ... so this would probably explain the lack of hangs in the older log.
>> 
>> I assume the problem is still present in fresh kernel in unstable or
>> experimental? If so can you report it upstream as Ben suggested and
>> link back here the specific report?
>
> Any news here?

Since then, I upgraded to trixie and I haven't seen such bugs anymore:

> sudo grep -c GPU\ HANG /var/log/kern.log*
doas (anarcat@angela) password: 
/var/log/kern.log:0
/var/log/kern.log.1:0
/var/log/kern.log.2.gz:0
/var/log/kern.log.3.gz:0
/var/log/kern.log.4.gz:0

So maybe this is fixed? uname -a:

Linux angela 6.12.21-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.21-1 (2025-03-30) x86_64 GNU/Linux

a.

-- 
We must learn to live together as brothers or perish together as fools.
                        - Martin Luther King, Jr.

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#86996

FromSalvatore Bonaccorso <carnil@debian.org>
Date2025-04-24 15:40 +0200
Message-ID<KF4Y1-fT18-21@gated-at.bofh.it>
In reply to#86995
Source: linux
Source-Version: 6.12.21-1

Hi Antoinie,

On Thu, Apr 24, 2025 at 09:27:47AM -0400, Antoine Beaupré wrote:
> On 2025-04-24 14:58:09, Salvatore Bonaccorso wrote:
> > Hi Antoine,
> >
> > On Sat, Mar 22, 2025 at 02:41:43PM +0100, Salvatore Bonaccorso wrote:
> >> Hi,
> >> 
> >> On Thu, Sep 12, 2024 at 02:34:26PM -0400, Antoine Beaupré wrote:
> >> > The same fellow DD who suggested filing this bug helpfully found what
> >> > seems to be a similar issue:
> >> > 
> >> > https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/7549
> >> > 
> >> > ... except that bug report is much older, and seems to apply to 5.x
> >> > kernels. I didn't have that issue back then, nor in 6.9, so I don't
> >> > think it's the same issue (nor is it the same symptoms).
> >> > 
> >> > Digging in that issue tracker, however, i do find a bunch of somewhat
> >> > similar regressions:
> >> > 
> >> > https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11797
> >> > https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11899
> >> > https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11975
> >> > 
> >> > I'll also add some more data to back up my claim this is a new
> >> > regression from the upgrade:
> >> > 
> >> > anarcat@angela:~$ sudo grep -c GPU\ HANG /var/log/kern.log*
> >> > /var/log/kern.log:7
> >> > /var/log/kern.log.1:0
> >> > /var/log/kern.log.2.gz:0
> >> > /var/log/kern.log.3.gz:0
> >> > /var/log/kern.log.4.gz:0
> >> > anarcat@angela:~$ ls -al /var/log/kern.log*
> >> > -rw-r----- 1 root adm 2 082 950 2024-09-12 14:30 /var/log/kern.log
> >> > -rw-r----- 1 root adm 3 420 621 2024-09-10 09:54 /var/log/kern.log.1
> >> > -rw-r----- 1 root adm   285 294 2024-09-03 09:21 /var/log/kern.log.2.gz
> >> > -rw-r----- 1 root adm   386 756 2024-08-26 08:53 /var/log/kern.log.3.gz
> >> > -rw-r----- 1 root adm   248 500 2024-08-18 00:00 /var/log/kern.log.4.gz
> >> > 
> >> > ie. 7 hangs in the `kern.log` file, which started two days ago, and none
> >> > in the other files, going back a month.
> >> > 
> >> > Interestingly, the kernel was upgraded early after the kern.log.1
> >> > rotation:
> >> > 
> >> > Start-Date: 2024-09-04  09:30:57
> >> > Commandline: apt upgrade
> >> > Requested-By: anarcat (1000)
> >> > Install: linux-kbuild-6.10.6+bpo:amd64 (6.10.6-1~bpo12+1, automatic), linux-image-6.10.6+bpo-amd64:amd64 (6.10.6-1~bpo12+1, automatic), linux-headers-6.10.6+bpo-amd64:amd64 (6.10.6-1~bpo12+1, automatic), linux-headers-6.10.6+bpo-common:amd64 (6.10.6-1~bpo12+1, automatic)
> >> > Upgrade: linux-cpupower:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1), linux-headers-amd64:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1), dh-debputy:amd64 (0.1.39~bpo12+1, 0.1.48~bpo12+1), libssl3:amd64 (3.0.14-1~deb12u1, 3.0.14-1~deb12u2), linux-image-amd64:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1), tailspin:amd64 (2.0.0+dfsg-1, 3.0.2+dfsg-1), libssl-dev:amd64 (3.0.14-1~deb12u1, 3.0.14-1~deb12u2), python3-lsprotocol:amd64 (2023.0.0-1, 2023.0.1-1~bpo12+1), libcpupower1:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1), firefox-esr:amd64 (115.14.0esr-1~deb12u1, 115.15.0esr-1~deb12u1), openssl:amd64 (3.0.14-1~deb12u1, 3.0.14-1~deb12u2), linux-libc-dev:amd64 (6.9.7-1~bpo12+1, 6.10.6-1~bpo12+1)
> >> > End-Date: 2024-09-04  09:31:48
> >> > 
> >> > ... but I booted in the new kernel only 4 days ago:
> >> > 
> >> > anarcat@angela:~$ last reboot
> >> > reboot   system boot  6.10.6+bpo-amd64 Thu Sep 12 11:12   still running
> >> > reboot   system boot  6.10.6+bpo-amd64 Tue Sep 10 09:54   still running
> >> > reboot   system boot  6.10.6+bpo-amd64 Mon Sep  9 09:24   still running
> >> > reboot   system boot  6.10.6+bpo-amd64 Sun Sep  8 12:36   still running
> >> > 
> >> > ... so this would probably explain the lack of hangs in the older log.
> >> 
> >> I assume the problem is still present in fresh kernel in unstable or
> >> experimental? If so can you report it upstream as Ben suggested and
> >> link back here the specific report?
> >
> > Any news here?
> 
> Since then, I upgraded to trixie and I haven't seen such bugs anymore:
> 
> > sudo grep -c GPU\ HANG /var/log/kern.log*
> doas (anarcat@angela) password: 
> /var/log/kern.log:0
> /var/log/kern.log.1:0
> /var/log/kern.log.2.gz:0
> /var/log/kern.log.3.gz:0
> /var/log/kern.log.4.gz:0
> 
> So maybe this is fixed? uname -a:
> 
> Linux angela 6.12.21-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.21-1 (2025-03-30) x86_64 GNU/Linux

Thanks for your quick followup!

Okay, let's close the bug then with at least 6.12.21-1.

Regards,
Salvatore

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