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 ]---
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