Bug#1116554: linux-image-6.12.43+deb12-amd64: hard freeze during normal operation with stacktraces in the syslog
Control: tags -1 + moreinfo
On Sun, Sep 28, 2025 at 04:41:17PM +0200, Hans-Christoph Steiner wrote:
>
> Package: src:linux
> Version: 6.12.43-1~bpo12+1
> Severity: important
>
> Dear Maintainer,
>
> *** Reporter, please consider answering these questions, where appropriate ***
>
> I was using the computer as normal, checking a boring website in
> Chromium browser while Firefox was also open. Out of the blue, there
> was a hard freeze, the mouse pointer was frozen and I had to long
> press the power button to restart. The previous kernel versions had
> been quite stable. I had also noticed that the graphics were
> glitching for a bit, like the mouse pointer would glitch. I used to
> have this behavior often like 6-12 months ago. First it would get
> glitchy, then it would crash.
>
> kernel: [ 8873.614568] INFO: task kworker/2:2:32923 blocked for more than
> 120 seconds.
> kernel: [ 8873.614583] Not tainted 6.12.43+deb12-amd64 #1 Debian
> 6.12.43-1~bpo12+1
> kernel: [ 8873.614588] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> disables this message.
> kernel: [ 8873.614591] task:kworker/2:2 state:D stack:0 pid:32923
> tgid:32923 ppid:2 flags:0x00004000
> kernel: [ 8873.614601] Workqueue: events_long ucsi_resume_work [typec_ucsi]
> kernel: [ 8873.614618] Call Trace:
> kernel: [ 8873.614621] <TASK>
> kernel: [ 8873.614626] __schedule+0x4fb/0xc00
> kernel: [ 8873.614639] schedule+0x27/0xf0
> kernel: [ 8873.614645] schedule_preempt_disabled+0x15/0x30
> kernel: [ 8873.614651] __mutex_lock.constprop.0+0x34c/0x6a0
> kernel: [ 8873.614659] ? psi_task_switch+0x10c/0x2a0
> kernel: [ 8873.614666] ucsi_send_command_common+0x73/0x2b0 [typec_ucsi]
> kernel: [ 8873.614675] ucsi_resume_work+0x29/0xa0 [typec_ucsi]
> kernel: [ 8873.614683] process_one_work+0x179/0x390
> kernel: [ 8873.614692] worker_thread+0x251/0x360
> kernel: [ 8873.614698] ? __pfx_worker_thread+0x10/0x10
> kernel: [ 8873.614703] kthread+0xcf/0x100
> kernel: [ 8873.614708] ? __pfx_kthread+0x10/0x10
> kernel: [ 8873.614711] ret_from_fork+0x31/0x50
> kernel: [ 8873.614718] ? __pfx_kthread+0x10/0x10
> kernel: [ 8873.614722] ret_from_fork_asm+0x1a/0x30
> kernel: [ 8873.614729] </TASK>
> kernel: [ 8994.446927] INFO: task kworker/2:2:32923 blocked for more than
> 241 seconds.
> kernel: [ 8994.446956] Not tainted 6.12.43+deb12-amd64 #1 Debian
> 6.12.43-1~bpo12+1
> kernel: [ 8994.446966] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> disables this message.
> kernel: [ 8994.446971] task:kworker/2:2 state:D stack:0 pid:32923
> tgid:32923 ppid:2 flags:0x00004000
> kernel: [ 8994.446991] Workqueue: events_long ucsi_resume_work [typec_ucsi]
> kernel: [ 8994.447026] Call Trace:
> kernel: [ 8994.447030] <TASK>
> kernel: [ 8994.447041] __schedule+0x4fb/0xc00
> kernel: [ 8994.447067] schedule+0x27/0xf0
> kernel: [ 8994.447079] schedule_preempt_disabled+0x15/0x30
> kernel: [ 8994.447091] __mutex_lock.constprop.0+0x34c/0x6a0
> kernel: [ 8994.447108] ? psi_task_switch+0x10c/0x2a0
> kernel: [ 8994.447122] ucsi_send_command_common+0x73/0x2b0 [typec_ucsi]
> kernel: [ 8994.447141] ucsi_resume_work+0x29/0xa0 [typec_ucsi]
> kernel: [ 8994.447158] process_one_work+0x179/0x390
> kernel: [ 8994.447174] worker_thread+0x251/0x360
> kernel: [ 8994.447187] ? __pfx_worker_thread+0x10/0x10
> kernel: [ 8994.447199] kthread+0xcf/0x100
> kernel: [ 8994.447208] ? __pfx_kthread+0x10/0x10
> kernel: [ 8994.447216] ret_from_fork+0x31/0x50
> kernel: [ 8994.447229] ? __pfx_kthread+0x10/0x10
> kernel: [ 8994.447236] ret_from_fork_asm+0x1a/0x30
> kernel: [ 8994.447251] </TASK>
Is this issue still reproducible for you with 6.12.57-1 in trixie (and
if yes, can you please as well verify with the kernel in unstable, as
of writing 6.17.8-1?).
Regards,
Salvatore
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