[Bug 62251] [ILK pch edp] intel_wait_for_pipe_off timeout

Sun Feb 1 22:35:48 PST 2015

https://bugzilla.kernel.org/show_bug.cgi?id=62251

--- Comment #25 from John-John Tedro <johnjohn.tedro at gmail.com> ---
I'm running gentoo-sources 3.18.3 which is based of 3.18.1 with the following
patches:
http://dev.gentoo.org/~mpagano/genpatches/patches-3.18-3.htm

I'm still getting the WARNING, however it seems to recover faster than it
previously did.

feb 02 07:24:17 localhost kernel: fbcon: inteldrmfb (fb0) is primary device
feb 02 07:24:17 localhost kernel: ------------[ cut here ]------------
feb 02 07:24:17 localhost kernel: WARNING: CPU: 2 PID: 1380 at
drivers/gpu/drm/i915/intel_display.c:994 intel_disable_pipe+0x21d/0x229
[i915]()
feb 02 07:24:17 localhost kernel: pipe_off wait timed out
feb 02 07:24:17 localhost kernel: Modules linked in: snd_hda_codec_realtek
snd_hda_codec_generic ppdev x86_pkg_temp_thermal coretemp dcdbas kvm_intel kvm
micr
feb 02 07:24:17 localhost kernel:  ohci_pci ohci_hcd uhci_hcd usb_storage
aic94xx libsas lpfc crc_t10dif crct10dif_common qla2xxx megaraid_sas
megaraid_mbox m
feb 02 07:24:17 localhost kernel:  pata_hpt3x2n pata_hpt3x3 pata_hpt37x
pata_hpt366 pata_cmd64x pata_efar pata_rz1000 pata_sil680 pata_radisys
pata_pdc2027x p
feb 02 07:24:17 localhost kernel: CPU: 2 PID: 1380 Comm: kworker/u32:5 Not
tainted 3.18.3-gentoo #1
feb 02 07:24:17 localhost kernel: Hardware name: Dell Inc. OptiPlex 990/06D7TR,
BIOS A06 07/25/2011
feb 02 07:24:17 localhost kernel: Workqueue: events_unbound async_run_entry_fn
feb 02 07:24:17 localhost kernel:  0000000000000009 ffff88041488b698
ffffffff814d2295 0000000000004646
feb 02 07:24:17 localhost kernel:  ffff88041488b6e8 ffff88041488b6d8
ffffffff81037697 ffff88041488b6f8
feb 02 07:24:17 localhost kernel:  ffffffffa0a4de7c ffff880418a50000
0000000000070008 00000000ffff8c7e
feb 02 07:24:17 localhost kernel: Call Trace:
feb 02 07:24:17 localhost kernel:  [<ffffffff814d2295>] dump_stack+0x46/0x58
feb 02 07:24:17 localhost kernel:  [<ffffffff81037697>]
warn_slowpath_common+0x77/0x91
feb 02 07:24:17 localhost kernel:  [<ffffffffa0a4de7c>] ?
intel_disable_pipe+0x21d/0x229 [i915]
feb 02 07:24:17 localhost kernel:  [<ffffffff810376f2>]
warn_slowpath_fmt+0x41/0x43
feb 02 07:24:17 localhost kernel:  [<ffffffffa0a4de7c>]
intel_disable_pipe+0x21d/0x229 [i915]
feb 02 07:24:17 localhost kernel:  [<ffffffffa0a582f6>]
ironlake_crtc_disable+0x8f/0x702 [i915]
feb 02 07:24:17 localhost kernel:  [<ffffffffa0a4ac15>] ?
intel_dump_pipe_config+0x1cd/0x35d [i915]
feb 02 07:24:17 localhost kernel:  [<ffffffffa0a53166>]
__intel_set_mode+0x8a8/0x1233 [i915]
feb 02 07:24:17 localhost kernel:  [<ffffffffa0a59e35>]
intel_set_mode+0x11/0x2a [i915]
feb 02 07:24:17 localhost kernel:  [<ffffffffa0a5acce>]
intel_crtc_set_config+0x9a0/0xa86 [i915]
feb 02 07:24:17 localhost kernel:  [<ffffffffa09af5ec>]
drm_mode_set_config_internal+0x51/0xdd [drm]
feb 02 07:24:17 localhost kernel:  [<ffffffffa09fae16>]
restore_fbdev_mode+0xb5/0xce [drm_kms_helper]
feb 02 07:24:17 localhost kernel:  [<ffffffffa09fae51>]
drm_fb_helper_restore_fbdev_mode_unlocked+0x22/0x37 [drm_kms_helper]
feb 02 07:24:17 localhost kernel:  [<ffffffffa09fc359>]
drm_fb_helper_set_par+0x3f/0x5f [drm_kms_helper]
feb 02 07:24:17 localhost kernel:  [<ffffffffa0a63c7f>]
intel_fbdev_set_par+0x15/0x58 [i915]
feb 02 07:24:17 localhost kernel:  [<ffffffff8138b149>] fbcon_init+0x35c/0x45d
feb 02 07:24:17 localhost kernel:  [<ffffffff8137152f>] visual_init+0xb7/0x10d
feb 02 07:24:17 localhost kernel:  [<ffffffff81372d4f>]
do_bind_con_driver+0x1ab/0x2cd
feb 02 07:24:17 localhost kernel:  [<ffffffff81373330>]
do_take_over_console+0x132/0x162
feb 02 07:24:17 localhost kernel:  [<ffffffff8138a31e>]
do_fbcon_takeover+0x56/0x9f
feb 02 07:24:17 localhost kernel:  [<ffffffff8138d382>]
fbcon_event_notify+0x452/0x780
feb 02 07:24:17 localhost kernel:  [<ffffffff8104c246>]
notifier_call_chain+0x39/0x5c
feb 02 07:24:17 localhost kernel:  [<ffffffff8104c47e>]
__blocking_notifier_call_chain+0x41/0x5a
feb 02 07:24:17 localhost kernel:  [<ffffffff8104c4a6>]
blocking_notifier_call_chain+0xf/0x11
feb 02 07:24:17 localhost kernel:  [<ffffffff81390e48>]
fb_notifier_call_chain+0x16/0x18
feb 02 07:24:17 localhost kernel:  [<ffffffff8139299f>]
register_framebuffer+0x270/0x2a8
feb 02 07:24:17 localhost kernel:  [<ffffffffa09fbf4c>]
drm_fb_helper_initial_config+0x258/0x312 [drm_kms_helper]
feb 02 07:24:17 localhost kernel:  [<ffffffffa0a6461f>]
intel_fbdev_initial_config+0x16/0x18 [i915]
feb 02 07:24:17 localhost kernel:  [<ffffffff8104d34f>]
async_run_entry_fn+0x33/0xca
feb 02 07:24:17 localhost kernel:  [<ffffffff810478ca>]
process_one_work+0x1a0/0x2ae
feb 02 07:24:17 localhost kernel:  [<ffffffff8104825a>]
worker_thread+0x281/0x373
feb 02 07:24:17 localhost kernel:  [<ffffffff81047fd9>] ?
rescuer_thread+0x217/0x217
feb 02 07:24:17 localhost kernel:  [<ffffffff8104b736>] kthread+0xcd/0xd5
feb 02 07:24:17 localhost kernel:  [<ffffffff8104b669>] ?
kthread_create_on_node+0x16c/0x16c
feb 02 07:24:17 localhost kernel:  [<ffffffff814d726c>] ret_from_fork+0x7c/0xb0
feb 02 07:24:17 localhost kernel:  [<ffffffff8104b669>] ?
kthread_create_on_node+0x16c/0x16c
feb 02 07:24:17 localhost kernel: ---[ end trace 9888c63f5bc6b1b4 ]---
feb 02 07:24:17 localhost kernel: [drm:ironlake_disable_pch_transcoder] *ERROR*
failed to disable transcoder A
feb 02 07:24:17 localhost kernel: [drm:cpt_set_fifo_underrun_reporting] *ERROR*
uncleared pch fifo underrun on pch transcoder A
feb 02 07:24:17 localhost kernel: [drm:cpt_serr_int_handler] *ERROR* PCH
transcoder A FIFO underrun
feb 02 07:24:17 localhost kernel: Console: switching to colour frame buffer
device 320x100
feb 02 07:24:17 localhost kernel: i915 0000:00:02.0: fb0: inteldrmfb frame
buffer device
feb 02 07:24:17 localhost kernel: i915 0000:00:02.0: registered panic notifier

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