linux-kernel - warn_slowpath_common with linux-3.4

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Date:	Thu, 31 May 2012 09:53:22 +0200
From:	Antonio Quartulli <ordex@...istici.org>
To:	Keith Packard <keithp@...thp.com>, David Airlie <airlied@...ux.ie>
Cc:	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: warn_slowpath_common with linux-3.4

Hello all,

here are some warning I got after resuming from suspend.
It is not really clear to me how I could debug further. Please tell me if I can
do something else.

I also attached the whole dmesg.

Best Regards,


[170934.181984] ------------[ cut here ]------------
[170934.181991] WARNING: at drivers/gpu/drm/i915/intel_display.c:963
assert_plane+0x70/0x80()
[170934.181992] Hardware name: Latitude E5420
[170934.181994] plane B assertion failure (expected off, current on)
[170934.181995] Modules linked in: mac80211_hwsim vboxnetadp(O) vboxnetflt(O)
vboxdrv(O) ppp_async crc_ccitt ppp_generic slhc hid_logitech_dj hid_cherry
usbhid psmouse cpufreq_stats vfat fat usb_storage bluetooth fuse iwlwifi
uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev
snd_hda_codec_hdmi mac80211 snd_hda_codec_idt snd_hda_intel snd_hda_codec
snd_hwdep ehci_hcd snd_pcm cfg80211 usbcore crc32c_intel aesni_intel
snd_page_alloc snd_timer snd aes_x86_64 cryptd usb_common soundcore [last
unloaded: psmouse]
[170934.182023] Pid: 29929, comm: kworker/u:5 Tainted: G        W  O 3.4.0ordex+
#3
[170934.182025] Call Trace:
[170934.182030]  [<ffffffff81033d4a>] warn_slowpath_common+0x7a/0xb0
[170934.182034]  [<ffffffff8105c4f0>] ? async_schedule+0x20/0x20
[170934.182036]  [<ffffffff81033e21>] warn_slowpath_fmt+0x41/0x50
[170934.182040]  [<ffffffff8130b4e6>] ? ironlake_crtc_dpms+0x86/0x90
[170934.182042]  [<ffffffff81300dd0>] assert_plane+0x70/0x80
[170934.182044]  [<ffffffff8130684c>] intel_crtc_disable+0x6c/0xc0
[170934.182048]  [<ffffffff812c6c85>]
drm_helper_disable_unused_functions+0x115/0x190
[170934.182050]  [<ffffffff812c77a8>] drm_helper_resume_force_mode+0x128/0x160
[170934.182053]  [<ffffffff8105c4f0>] ? async_schedule+0x20/0x20
[170934.182057]  [<ffffffff812e4741>] i915_drm_thaw+0x111/0x160
[170934.182059]  [<ffffffff812e4a19>] i915_resume+0x49/0x80
[170934.182062]  [<ffffffff812e4a61>] i915_pm_resume+0x11/0x20
[170934.182066]  [<ffffffff81237979>] pci_pm_restore+0x79/0xe0
[170934.182068]  [<ffffffff81237900>] ? pci_pm_suspend_noirq+0x170/0x170
[170934.182072]  [<ffffffff81334c76>] dpm_run_callback.isra.5+0x36/0x70
[170934.182074]  [<ffffffff81334f90>] device_resume+0xa0/0x160
[170934.182076]  [<ffffffff8133506c>] async_resume+0x1c/0x50
[170934.182079]  [<ffffffff8105c569>] async_run_entry_fn+0x79/0x170
[170934.182082]  [<ffffffff8104d924>] process_one_work+0x174/0x450
[170934.182085]  [<ffffffff8104d8c6>] ? process_one_work+0x116/0x450
[170934.182088]  [<ffffffff8104f6cf>] worker_thread+0x15f/0x350
[170934.182090]  [<ffffffff8104f570>] ? manage_workers.isra.28+0x220/0x220
[170934.182093]  [<ffffffff8105472e>] kthread+0x8e/0xa0
[170934.182098]  [<ffffffff814fc914>] kernel_thread_helper+0x4/0x10
[170934.182101]  [<ffffffff8105de60>] ? finish_task_switch+0x80/0x110
[170934.182103]  [<ffffffff8105de60>] ? finish_task_switch+0x80/0x110
[170934.182106]  [<ffffffff814fafdd>] ? retint_restore_args+0xe/0xe
[170934.182109]  [<ffffffff810546a0>] ? __init_kthread_worker+0x70/0x70
[170934.182111]  [<ffffffff814fc910>] ? gs_change+0xb/0xb
[170934.182113] ---[ end trace e93713a9d40cd079 ]---
[170934.182114] ------------[ cut here ]------------
[170934.182116] WARNING: at drivers/gpu/drm/i915/intel_display.c:948
assert_pipe+0x86/0x90()
[170934.182117] Hardware name: Latitude E5420
[170934.182119] pipe B assertion failure (expected off, current on)
[170934.182120] Modules linked in: mac80211_hwsim vboxnetadp(O) vboxnetflt(O)
vboxdrv(O) ppp_async crc_ccitt ppp_generic slhc hid_logitech_dj hid_cherry
usbhid psmouse cpufreq_stats vfat fat usb_storage bluetooth fuse iwlwifi
uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev
snd_hda_codec_hdmi mac80211 snd_hda_codec_idt snd_hda_intel snd_hda_codec
snd_hwdep ehci_hcd snd_pcm cfg80211 usbcore crc32c_intel aesni_intel
snd_page_alloc snd_timer snd aes_x86_64 cryptd usb_common soundcore [last
unloaded: psmouse]
[170934.182139] Pid: 29929, comm: kworker/u:5 Tainted: G        W  O 3.4.0ordex+
#3
[170934.182140] Call Trace:
[170934.182142]  [<ffffffff81033d4a>] warn_slowpath_common+0x7a/0xb0
[170934.182145]  [<ffffffff8105c4f0>] ? async_schedule+0x20/0x20
[170934.182147]  [<ffffffff81033e21>] warn_slowpath_fmt+0x41/0x50
[170934.182150]  [<ffffffff8130b4e6>] ? ironlake_crtc_dpms+0x86/0x90
[170934.182152]  [<ffffffff81305066>] assert_pipe+0x86/0x90
[170934.182154]  [<ffffffff81306861>] intel_crtc_disable+0x81/0xc0
[170934.182156]  [<ffffffff812c6c85>]
drm_helper_disable_unused_functions+0x115/0x190
[170934.182159]  [<ffffffff812c77a8>] drm_helper_resume_force_mode+0x128/0x160
[170934.182162]  [<ffffffff8105c4f0>] ? async_schedule+0x20/0x20
[170934.182164]  [<ffffffff812e4741>] i915_drm_thaw+0x111/0x160
[170934.182167]  [<ffffffff812e4a19>] i915_resume+0x49/0x80
[170934.182170]  [<ffffffff812e4a61>] i915_pm_resume+0x11/0x20
[170934.182172]  [<ffffffff81237979>] pci_pm_restore+0x79/0xe0
[170934.182174]  [<ffffffff81237900>] ? pci_pm_suspend_noirq+0x170/0x170
[170934.182177]  [<ffffffff81334c76>] dpm_run_callback.isra.5+0x36/0x70
[170934.182179]  [<ffffffff81334f90>] device_resume+0xa0/0x160
[170934.182181]  [<ffffffff8133506c>] async_resume+0x1c/0x50
[170934.182184]  [<ffffffff8105c569>] async_run_entry_fn+0x79/0x170
[170934.182186]  [<ffffffff8104d924>] process_one_work+0x174/0x450
[170934.182193]  [<ffffffff8104d8c6>] ? process_one_work+0x116/0x450
[170934.182195]  [<ffffffff8104f6cf>] worker_thread+0x15f/0x350
[170934.182198]  [<ffffffff8104f570>] ? manage_workers.isra.28+0x220/0x220
[170934.182201]  [<ffffffff8105472e>] kthread+0x8e/0xa0
[170934.182204]  [<ffffffff814fc914>] kernel_thread_helper+0x4/0x10
[170934.182206]  [<ffffffff8105de60>] ? finish_task_switch+0x80/0x110
[170934.182209]  [<ffffffff8105de60>] ? finish_task_switch+0x80/0x110
[170934.182212]  [<ffffffff814fafdd>] ? retint_restore_args+0xe/0xe
[170934.182215]  [<ffffffff810546a0>] ? __init_kthread_worker+0x70/0x70
[170934.182218]  [<ffffffff814fc910>] ? gs_change+0xb/0xb
[170934.182219] ---[ end trace e93713a9d40cd07a ]---



-- 
Antonio Quartulli

..each of us alone is worth nothing..
Ernesto "Che" Guevara

View attachment "dmesg.log" of type "text/plain" (250610 bytes)

Content of type "application/pgp-signature" skipped