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* Linux 4.8-rc?: WARNING: at drivers/gpu/drm/i915/intel_pm.c:7866 sandybridge_pcode_write Missing switch case (16) in gen6_check_mailbox_status
@ 2016-09-06  7:49 linux
  2016-09-06  9:12 ` [Intel-gfx] " Jani Nikula
  2016-09-06  9:25 ` Jani Nikula
  0 siblings, 2 replies; 6+ messages in thread
From: linux @ 2016-09-06  7:49 UTC (permalink / raw)
  To: Daniel Vetter; +Cc: intel-gfx, dri-devel, linux-kernel

L.S.,

Since one of the last 4.8 RC's i'm getting the warning below when 
booting on my sandybridge based thinkpad.
 From what it seems the machine still works fine though.

--
Sander

[    2.846265] ------------[ cut here ]------------
[    2.846280] WARNING: CPU: 0 PID: 4 at 
drivers/gpu/drm/i915/intel_pm.c:7866 sandybridge_pcode_write+0x104/0x1e0
[    2.846282] Missing switch case (16) in gen6_check_mailbox_status
[    2.846284] Modules linked in:
[    2.846289] CPU: 0 PID: 4 Comm: kworker/0:0 Not tainted 
4.8.0-rc5-x220-20160905+ #1
[    2.846290] Hardware name: LENOVO 42912ZU/42912ZU, BIOS 8DET69WW 
(1.39 ) 07/18/2013
[    2.846297] Workqueue: events intel_gen6_powersave_work
[    2.846302]  0000000000000000 ffffffff8138bd84 ffff88030fd7bd78 
0000000000000000
[    2.846305]  ffffffff81062d84 ffff88030d490000 ffff88030fd7bdc8 
0000000000000000
[    2.846308]  ffff88030d49a438 ffff88030d498830 0000000000000000 
ffffffff81062dea
[    2.846309] Call Trace:
[    2.846319]  [<ffffffff8138bd84>] ? dump_stack+0x5c/0x78
[    2.846324]  [<ffffffff81062d84>] ? __warn+0xb4/0xd0
[    2.846328]  [<ffffffff81062dea>] ? warn_slowpath_fmt+0x4a/0x50
[    2.846333]  [<ffffffff814edf44>] ? 
sandybridge_pcode_write+0x104/0x1e0
[    2.846338]  [<ffffffff814eefd3>] ? 
intel_gen6_powersave_work+0x2a3/0x1400
[    2.846344]  [<ffffffff810781ea>] ? process_one_work+0x1ba/0x3d0
[    2.846348]  [<ffffffff81078445>] ? worker_thread+0x45/0x4e0
[    2.846351]  [<ffffffff81078400>] ? process_one_work+0x3d0/0x3d0
[    2.846355]  [<ffffffff8107d678>] ? kthread+0xb8/0xd0
[    2.846362]  [<ffffffff817cc8df>] ? ret_from_fork+0x1f/0x40
[    2.846365]  [<ffffffff8107d5c0>] ? kthread_worker_fn+0x180/0x180
[    2.846368] ---[ end trace da7b2ca8a6654bfa ]---

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2016-09-07 21:18 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-09-06  7:49 Linux 4.8-rc?: WARNING: at drivers/gpu/drm/i915/intel_pm.c:7866 sandybridge_pcode_write Missing switch case (16) in gen6_check_mailbox_status linux
2016-09-06  9:12 ` [Intel-gfx] " Jani Nikula
2016-09-06  9:25 ` Jani Nikula
2016-09-06 10:11   ` linux
2016-09-07 14:49     ` Jani Nikula
2016-09-07 21:18       ` Sander Eikelenboom

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