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Bug#942698: marked as done (i915 workqueue issue / i915_hotplug_work_func __flush_work.cold.53)

Your message dated Thu, 20 Feb 2025 12:30:19 +0100 (CET)
with message-id <20250220113019.6DED4BE2EE7@eldamar.lan>
and subject line Closing this bug (BTS maintenance for src:linux bugs)
has caused the Debian Bug report #942698,
regarding i915 workqueue issue / i915_hotplug_work_func __flush_work.cold.53
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.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
942698: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=942698
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: bugs.debian.org
Severity: normal

Dear Maintainer,

   * What led up to the situation? Normal booting and inspecting dmesg shows
multiple call traces with cut here sign.
   * What exactly did you do (or not do) that was effective (or
     ineffective)? Not sure
   * What was the outcome of this action?
   * What outcome did you expect instead? No Call traces in dmesg

Call Traces in dmesg

[    2.158101] ------------[ cut here ]------------
[    2.158108] WARNING: CPU: 0 PID: 13 at kernel/workqueue.c:2911
__flush_work.cold.53+0x1f/0x29
[    2.158109] Modules linked in: i915(+) radeon(+) crc32c_intel ahci libahci
libata i2c_algo_bit xhci_pci ttm aesni_intel drm_kms_help
er aes_x86_64 crypto_simd cryptd glue_helper scsi_mod xhci_hcd psmouse drm
usbcore i2c_i801 lpc_ich r8169 realtek libphy wmi usb_common
 thermal fan i2c_hid hid video button
[    2.158126] CPU: 0 PID: 13 Comm: kworker/0:1 Not tainted 4.19.0-6-amd64 #1
Debian 4.19.67-2+deb10u1
[    2.158127] Hardware name: Hewlett-Packard HP Notebook/80C2, BIOS F.27
07/05/2018
[    2.158168] Workqueue: events i915_hotplug_work_func [i915]
[    2.158172] RIP: 0010:__flush_work.cold.53+0x1f/0x29
[    2.158174] Code: e9 27 04 00 0f 0b e9 7a d3 ff ff 48 c7 c7 80 07 84 ac e8
d6 27 04 00 0f 0b e9 71 d6 ff ff 48 c7 c7 80 07 84 ac e8
c3 27 04 00 <0f> 0b 45 31 ed e9 5b d6 ff ff 49 8d b4 24 b0 00 00 00 48 c7 c7 30
[    2.158175] RSP: 0018:ffffa9b800d0bb88 EFLAGS: 00010246
[    2.158176] RAX: 0000000000000024 RBX: ffff8bbb0a44e650 RCX:
ffffffffaca4dea8
[    2.158176] RDX: 0000000000000000 RSI: 0000000000000092 RDI:
0000000000000247
[    2.158177] RBP: ffff8bbb0a44e650 R08: 00000000000002b8 R09:
0000000000000004
[    2.158178] R10: 0000000000000000 R11: 0000000000000001 R12:
0000000000000001
[    2.158178] R13: 0000000000000001 R14: ffffffffaba983f0 R15:
0000000000000002
[    2.158179] FS:  0000000000000000(0000) GS:ffff8bbb16a00000(0000)
knlGS:0000000000000000
[    2.158180] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.158181] CR2: 000055817974f068 CR3: 000000020d60a001 CR4:
00000000003606f0
[    2.158181] Call Trace:
[    2.158186]  ? get_work_pool+0x40/0x40
[    2.158187]  __cancel_work_timer+0x10a/0x190
[    2.158195]  ? drm_dp_dpcd_access+0xe7/0x110 [drm_kms_helper]
[    2.158200]  drm_dp_cec_unset_edid+0x36/0xe0 [drm_kms_helper]
[    2.158236]  intel_dp_unset_edid+0x1d/0x40 [i915]
[    2.158265]  intel_dp_set_edid+0x18/0x80 [i915]
[    2.158296]  intel_dp_detect+0x20a/0x570 [i915]
[    2.158302]  drm_helper_probe_detect_ctx+0x44/0xe0 [drm_kms_helper]
[    2.158332]  intel_encoder_hotplug+0x30/0x90 [i915]
[    2.158362]  intel_ddi_hotplug+0x2e/0x2f0 [i915]
[    2.158365]  ? __switch_to_asm+0x35/0x70
[    2.158367]  ? __switch_to_asm+0x41/0x70
[    2.158369]  ? __switch_to_asm+0x35/0x70
[    2.158370]  ? __switch_to_asm+0x41/0x70
[    2.158372]  ? __switch_to_asm+0x35/0x70
[    2.158373]  ? __switch_to_asm+0x41/0x70
[    2.158388]  ? __drm_connector_put_safe+0x16/0x50 [drm]
[    2.158415]  i915_hotplug_work_func+0x152/0x1e0 [i915]
[    2.158419]  process_one_work+0x1a7/0x3a0
[    2.158421]  worker_thread+0x30/0x390
[    2.158422]  ? create_worker+0x1a0/0x1a0
[    2.158424]  kthread+0x112/0x130
[    2.158425]  ? kthread_bind+0x30/0x30
[    2.158427]  ret_from_fork+0x35/0x40
[    2.158429] ---[ end trace 072b7ff9c4fe2968 ]---


[    2.158431] ------------[ cut here ]------------
[    2.158435] WARNING: CPU: 0 PID: 13 at kernel/workqueue.c:2911
__flush_work.cold.53+0x1f/0x29
[    2.158436] Modules linked in: i915(+) radeon(+) crc32c_intel ahci libahci
libata i2c_algo_bit xhci_pci ttm aesni_intel drm_kms_helper aes_x86_64
crypto_simd cryptd glue_helper scsi_mod xhci_hcd psmouse drm usbcore i2c_i801
lpc_ich r8169 realtek libphy wmi usb_common thermal fan i2c_hid hid video
button
[    2.158450] CPU: 0 PID: 13 Comm: kworker/0:1 Tainted: G        W
4.19.0-6-amd64 #1 Debian 4.19.67-2+deb10u1
[    2.158451] Hardware name: Hewlett-Packard HP Notebook/80C2, BIOS F.27
07/05/2018
[    2.158477] Workqueue: events i915_hotplug_work_func [i915]
[    2.158480] RIP: 0010:__flush_work.cold.53+0x1f/0x29
[    2.158480] Code: e9 27 04 00 0f 0b e9 7a d3 ff ff 48 c7 c7 80 07 84 ac e8
d6 27 04 00 0f 0b e9 71 d6 ff ff 48 c7 c7 80 07 84 ac e8 c3 27 04 00 <0f> 0b 45
31 ed e9 5b d6 ff ff 49 8d b4 24 b0 00 00 00 48 c7 c7 30
[    2.158481] RSP: 0018:ffffa9b800d0bbb0 EFLAGS: 00010246
[    2.158482] RAX: 0000000000000024 RBX: ffff8bbb0a44e650 RCX:
ffffffffaca4dea8
[    2.158483] RDX: 0000000000000000 RSI: 0000000000000082 RDI:
0000000000000247
[    2.158484] RBP: ffff8bbb0a44e650 R08: 00000000000002e3 R09:
0000000000000004
[    2.158484] R10: 0000000000000000 R11: 0000000000000001 R12:
0000000000000001
[    2.158485] R13: 0000000000000001 R14: ffffffffaba983f0 R15:
0000000000000002
[    2.158486] FS:  0000000000000000(0000) GS:ffff8bbb16a00000(0000)
knlGS:0000000000000000
[    2.158486] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    2.158487] CR2: 000055817974f068 CR3: 000000020d60a001 CR4:
00000000003606f0
[    2.158487] Call Trace:
[    2.158489]  ? get_work_pool+0x40/0x40
[    2.158491]  __cancel_work_timer+0x10a/0x190
[    2.158493]  ? _cond_resched+0x15/0x30
[    2.158495]  ? __kmalloc_track_caller+0x180/0x210
[    2.158501]  drm_dp_cec_set_edid+0x3a/0x170 [drm_kms_helper]
[    2.158527]  intel_dp_detect+0x20a/0x570 [i915]
[    2.158533]  drm_helper_probe_detect_ctx+0x44/0xe0 [drm_kms_helper]
[    2.158560]  intel_encoder_hotplug+0x30/0x90 [i915]
[    2.158586]  intel_ddi_hotplug+0x2e/0x2f0 [i915]
[    2.158588]  ? __switch_to_asm+0x35/0x70
[    2.158590]  ? __switch_to_asm+0x41/0x70
[    2.158591]  ? __switch_to_asm+0x35/0x70
[    2.158593]  ? __switch_to_asm+0x41/0x70
[    2.158594]  ? __switch_to_asm+0x35/0x70
[    2.158596]  ? __switch_to_asm+0x41/0x70
[    2.158607]  ? __drm_connector_put_safe+0x16/0x50 [drm]
[    2.158637]  i915_hotplug_work_func+0x152/0x1e0 [i915]
[    2.158640]  process_one_work+0x1a7/0x3a0
[    2.158642]  worker_thread+0x30/0x390
[    2.158644]  ? create_worker+0x1a0/0x1a0
[    2.158645]  kthread+0x112/0x130
[    2.158647]  ? kthread_bind+0x30/0x30
[    2.158649]  ret_from_fork+0x35/0x40
[    2.158650] ---[ end trace 072b7ff9c4fe2969 ]---




-- System Information:
Debian Release: 10.1
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.19.0-6-amd64 (SMP w/4 CPU cores)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_WARN, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_IN, LC_CTYPE=en_IN (charmap=UTF-8), LANGUAGE=en_IN:en (charmap=UTF-8)
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

--- End Message ---
--- Begin Message --- 
Hi

This bug was filed for a very old kernel or the bug is old itself
without resolution.

If you can reproduce it with

- the current version in unstable/testing
- the latest kernel from backports

please reopen the bug, see https://www.debian.org/Bugs/server-control
for details.

Regards,
Salvatore

--- End Message ---
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