Hi
Since this morning this warning is in my kernel log:
[ 10.588770] ------------[ cut here ]------------
[ 10.593120] WARNING: CPU: 0 PID: 1477 at
/usr/src/linux.git/drivers/gpu/drm/drm_atomic.c:491
drm_atomic_check_only+0x19e/0x401()
[ 10.597589] Modules linked in:
[ 10.601962] CPU: 0 PID: 1477 Comm: kworker/0:5 Tainted: G W
4.2.0+ #822
[ 10.606363] Hardware name: Dell Inc. Latitude D430
/0XW455, BIOS A02 10/11/2007
[ 10.610827] Workqueue: events output_poll_execute
[ 10.615241] 000002ba 00000000 f5941c70 c14eeecb f5941c88 c105b158
c12740a2 f5ab0000
[ 10.619761] f62c0000 c17092f8 f5941c98 c105b1d3 00000009 00000000
f5941cb8 c12740a2
[ 10.624296] 00000001 f6222000 00000002 f5ab0000 f6222000 f6222000
f5941cc8 c1274313
[ 10.628817] Call Trace:
[ 10.633175] [<c14eeecb>] dump_stack+0x16/0x18
[ 10.637525] [<c105b158>] warn_slowpath_common+0x72/0x89
[ 10.641866] [<c12740a2>] ? drm_atomic_check_only+0x19e/0x401
[ 10.646134] [<c105b1d3>] warn_slowpath_null+0xf/0x13
[ 10.650324] [<c12740a2>] drm_atomic_check_only+0x19e/0x401
[ 10.654473] [<c1274313>] drm_atomic_commit+0xe/0x44
[ 10.658668] [<c12c81cf>] intel_get_load_detect_pipe+0x40e/0x48b
[ 10.662791] [<c12f0d1a>] intel_tv_detect+0x10b/0x43a
[ 10.666900] [<c12558f3>]
drm_helper_probe_single_connector_modes_merge_bits+0xaf/0x34a
[ 10.671061] [<c1255b98>] drm_helper_probe_single_connector_modes+0xa/0xc
[ 10.675163] [<c125bf73>] drm_fb_helper_probe_connector_modes+0x3b/0x49
[ 10.679269] [<c125d744>] drm_fb_helper_hotplug_event+0x61/0x94
[ 10.683298] [<c12d49df>] intel_fbdev_output_poll_changed+0x15/0x17
[ 10.687373] [<c125562c>] drm_kms_helper_hotplug_event+0x1c/0x1f
[ 10.691502] [<c1255759>] output_poll_execute+0x108/0x145
[ 10.695629] [<c106801a>] process_one_work+0x152/0x248
[ 10.699777] [<c1068796>] worker_thread+0x236/0x327
[ 10.703872] [<c1068560>] ? cancel_delayed_work_sync+0xf/0xf
[ 10.707982] [<c106b8b6>] kthread+0xa3/0xa8
[ 10.712016] [<c14f3380>] ret_from_kernel_thread+0x20/0x30
[ 10.716035] [<c106b813>] ? kthread_worker_fn+0x100/0x100
[ 10.720696] ---[ end trace b2652b27bfce9d22 ]---
--
Hans
In case I need to bisect: good..bad : 51e771c..6c0f568
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