[Intel-gfx] External monitor issues with 3.17-rc4 and i915 module
Carlos R. Mafra
crmafra at gmail.com
Tue Sep 16 11:54:19 CEST 2014
Hi, the same happens with 3.17-rc5. The kernel is unfortunately
unusable with my external monitor because after some plug, unplug
and suspend to RAM cycles the behaviour is not good (sometimes
it freezes, sometimes X needs a restart).
Sorry to ask, but is there someone looking at this? I can provide
more information if necessary.
On Tue, 9 Sep 2014 at 22:54:30 +0100, Carlos R. Mafra wrote:
> There is an issue with the latest kernel 3.17-rc4 regarding my external
> monitor.
>
> I boot my laptop and plug the external monitor with the VGA cable and
> it works fine. Then I unplug the monitor and suspend to RAM. When the
> laptop resumes there are a bunch of warnings in 'dmesg' (see below).
>
> After that the laptop becomes unreliable. Sometimes I get a blanck
> screen when going fullscreen in a flash video, sometimes the laptop
> freezes when I reconnect the monitor and do (DP3 is the monitor and
> eDP1 is the laptop):
>
> xrandr --output DP3 --auto
> xrandr --output eDP1 --off
>
> I think the freeze is reproducible after the second command above,
> but I haven't tried many times.
>
> The laptop is a Macbook Pro with retina display and it uses the 'i915'
> module. The full dmesg and kernel config are here:
>
> http://damtp.cam.ac.uk/user/crm66/dmesg-3.17-rc4.txt
> http://damtp.cam.ac.uk/user/crm66/config-3.17-rc4.txt
>
> I can test patches and give more information if needed.
>
>
> The warnings from the above 'dmesg' are below:
>
>
> [ 664.192589] [drm:intel_dp_start_link_train] *ERROR* failed to enable link training
> [ 664.195181] [drm:intel_dp_complete_link_train] *ERROR* failed to start channel equalization
> [ 664.213900] [drm:cpt_verify_modeset] *ERROR* mode set failed: pipe B stuck
> [ 664.213921] ------------[ cut here ]------------
> [ 664.213926] WARNING: CPU: 2 PID: 2601 at /home/mafra/linux-2.6/drivers/gpu/drm/i915/intel_display.c:10587 intel_modeset_check_state+0x600/0x790()
> [ 664.213927] encoder's hw state doesn't match sw tracking (expected 1, found 0)
> [ 664.213944] Modules linked in: ctr ccm arc4 nls_iso8859_1 nls_cp437 b43 vfat fat mac80211 snd_hda_codec_hdmi snd_hda_codec_cirrus snd_hda_codec_generic cfg80211 snd_hda_intel snd_hda_controller snd_hda_codec uvcvideo x86_pkg_temp_thermal snd_hwdep snd_pcm crc32c_intel ghash_clmulni_intel videobuf2_core rfkill videobuf2_vmalloc ssb videobuf2_memops bcm5974 snd_timer rtc_cmos
> [ 664.213947] CPU: 2 PID: 2601 Comm: kworker/u8:87 Not tainted 3.17.0-rc4+ #45
> [ 664.213948] Hardware name: Apple Inc. MacBookPro10,2/Mac-AFD8A9D944EA4843, BIOS MBP102.88Z.0106.B01.1208311637 08/31/2012
> [ 664.213952] Workqueue: events_unbound async_run_entry_fn
> [ 664.213954] 0000000000000009 ffff880230d33b68 ffffffff816f6d76 ffff880230d33bb0
> [ 664.213956] ffff880230d33ba0 ffffffff81067343 0000000000000001 ffff880261eda338
> [ 664.213958] ffff880261eda000 ffff880261f8f000 ffff880261eda308 ffff880230d33c00
> [ 664.213958] Call Trace:
> [ 664.213963] [<ffffffff816f6d76>] dump_stack+0x4d/0x6f
> [ 664.213965] [<ffffffff81067343>] warn_slowpath_common+0x73/0x90
> [ 664.213967] [<ffffffff810673a7>] warn_slowpath_fmt+0x47/0x50
> [ 664.213969] [<ffffffff814714e0>] intel_modeset_check_state+0x600/0x790
> [ 664.213971] [<ffffffff81473627>] intel_modeset_setup_hw_state+0x857/0xd40
> [ 664.213974] [<ffffffff81417be9>] __i915_drm_thaw+0x159/0x1d0
> [ 664.213976] [<ffffffff814187f3>] i915_resume+0x23/0x40
> [ 664.213977] [<ffffffff81418820>] i915_pm_resume+0x10/0x20
> [ 664.213980] [<ffffffff8134af2a>] pci_pm_resume+0x7a/0x110
> [ 664.213982] [<ffffffff8134aeb0>] ? pci_pm_resume_noirq+0xb0/0xb0
> [ 664.213985] [<ffffffff814b43ef>] dpm_run_callback+0x3f/0x80
> [ 664.213986] [<ffffffff814b4970>] device_resume+0x90/0x260
> [ 664.213988] [<ffffffff814b4b58>] async_resume+0x18/0x40
> [ 664.213990] [<ffffffff810834f2>] async_run_entry_fn+0x32/0x130
> [ 664.213992] [<ffffffff8107bf46>] process_one_work+0x166/0x390
> [ 664.213994] [<ffffffff8107c51b>] worker_thread+0x11b/0x490
> [ 664.213996] [<ffffffff8107c400>] ? rescuer_thread+0x290/0x290
> [ 664.213998] [<ffffffff81080f1d>] kthread+0xcd/0xf0
> [ 664.214001] [<ffffffff81080e50>] ? kthread_create_on_node+0x170/0x170
> [ 664.214003] [<ffffffff816ff22c>] ret_from_fork+0x7c/0xb0
> [ 664.214005] [<ffffffff81080e50>] ? kthread_create_on_node+0x170/0x170
> [ 664.214006] ---[ end trace 41c18eff292a7632 ]---
> [ 664.214025] [drm:intel_pipe_config_compare] *ERROR* mismatch in has_dp_encoder (expected 1, found 0)
> [ 664.214026] ------------[ cut here ]------------
> [ 664.214030] WARNING: CPU: 2 PID: 2601 at /home/mafra/linux-2.6/drivers/gpu/drm/i915/intel_display.c:10659 check_crtc_state+0x215/0x330()
> [ 664.214030] pipe state doesn't match!
> [ 664.214040] Modules linked in: ctr ccm arc4 nls_iso8859_1 nls_cp437 b43 vfat fat mac80211 snd_hda_codec_hdmi snd_hda_codec_cirrus snd_hda_codec_generic cfg80211 snd_hda_intel snd_hda_controller snd_hda_codec uvcvideo x86_pkg_temp_thermal snd_hwdep snd_pcm crc32c_intel ghash_clmulni_intel videobuf2_core rfkill videobuf2_vmalloc ssb videobuf2_memops bcm5974 snd_timer rtc_cmos
> [ 664.214042] CPU: 2 PID: 2601 Comm: kworker/u8:87 Tainted: G W 3.17.0-rc4+ #45
> [ 664.214043] Hardware name: Apple Inc. MacBookPro10,2/Mac-AFD8A9D944EA4843, BIOS MBP102.88Z.0106.B01.1208311637 08/31/2012
> [ 664.214044] Workqueue: events_unbound async_run_entry_fn
> [ 664.214046] 0000000000000009 ffff880230d33898 ffffffff816f6d76 ffff880230d338e0
> [ 664.214048] ffff880230d338d0 ffffffff81067343 ffff880261f57708 ffff880230d33968
> [ 664.214050] ffff880261eda000 ffff880261f57000 ffff880261eda338 ffff880230d33930
> [ 664.214050] Call Trace:
> [ 664.214052] [<ffffffff816f6d76>] dump_stack+0x4d/0x6f
> [ 664.214054] [<ffffffff81067343>] warn_slowpath_common+0x73/0x90
> [ 664.214055] [<ffffffff810673a7>] warn_slowpath_fmt+0x47/0x50
> [ 664.214058] [<ffffffff81460047>] ? intel_pipe_config_compare+0x657/0xbb0
> [ 664.214060] [<ffffffff81461ce5>] check_crtc_state+0x215/0x330
> [ 664.214063] [<ffffffff8147115f>] intel_modeset_check_state+0x27f/0x790
> [ 664.214065] [<ffffffff81473627>] intel_modeset_setup_hw_state+0x857/0xd40
> [ 664.214067] [<ffffffff81417be9>] __i915_drm_thaw+0x159/0x1d0
> [ 664.214069] [<ffffffff814187f3>] i915_resume+0x23/0x40
> [ 664.214070] [<ffffffff81418820>] i915_pm_resume+0x10/0x20
> [ 664.214072] [<ffffffff8134af2a>] pci_pm_resume+0x7a/0x110
> [ 664.214074] [<ffffffff8134aeb0>] ? pci_pm_resume_noirq+0xb0/0xb0
> [ 664.214075] [<ffffffff814b43ef>] dpm_run_callback+0x3f/0x80
> [ 664.214077] [<ffffffff814b4970>] device_resume+0x90/0x260
> [ 664.214079] [<ffffffff814b4b58>] async_resume+0x18/0x40
> [ 664.214081] [<ffffffff810834f2>] async_run_entry_fn+0x32/0x130
> [ 664.214082] [<ffffffff8107bf46>] process_one_work+0x166/0x390
> [ 664.214084] [<ffffffff8107c51b>] worker_thread+0x11b/0x490
> [ 664.214086] [<ffffffff8107c400>] ? rescuer_thread+0x290/0x290
> [ 664.214088] [<ffffffff81080f1d>] kthread+0xcd/0xf0
> [ 664.214090] [<ffffffff81080e50>] ? kthread_create_on_node+0x170/0x170
> [ 664.214092] [<ffffffff816ff22c>] ret_from_fork+0x7c/0xb0
> [ 664.214094] [<ffffffff81080e50>] ? kthread_create_on_node+0x170/0x170
> [ 664.214095] ---[ end trace 41c18eff292a7633 ]---
> [ 664.366982] b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07)
> [ 664.425187] PM: resume of devices complete after 886.347 msecs
> [ 664.425432] PM: Finishing wakeup.
> [ 664.425433] Restarting tasks ... done.
> [ 664.449620] cfg80211: World regulatory domain updated:
> [ 664.449624] cfg80211: DFS Master region: unset
> [ 664.449625] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
> [ 664.449628] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
> [ 664.449629] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
> [ 664.449630] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A)
> [ 664.449632] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
> [ 664.449633] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
> [ 666.305520] PM: Syncing filesystems ... done.
> [ 666.839919] PM: Preparing system for mem sleep
> [ 666.840028] Freezing user space processes ... (elapsed 0.001 seconds) done.
> [ 666.841447] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
> [ 666.842604] PM: Entering mem sleep
> [ 666.842619] Suspending console(s) (use no_console_suspend to debug)
> [ 666.842888] sd 0:0:0:0: [sda] Synchronizing SCSI cache
> [ 666.847506] sd 0:0:0:0: [sda] Stopping disk
> [ 667.258444] ------------[ cut here ]------------
> [ 667.258449] WARNING: CPU: 2 PID: 2631 at /home/mafra/linux-2.6/drivers/gpu/drm/i915/intel_dp.c:3266 intel_dp_link_down+0x1cb/0x200()
> [ 667.258464] Modules linked in: ctr ccm arc4 nls_iso8859_1 nls_cp437 b43 vfat fat mac80211 snd_hda_codec_hdmi snd_hda_codec_cirrus snd_hda_codec_generic cfg80211 snd_hda_intel snd_hda_controller snd_hda_codec uvcvideo x86_pkg_temp_thermal snd_hwdep snd_pcm crc32c_intel ghash_clmulni_intel videobuf2_core rfkill videobuf2_vmalloc ssb videobuf2_memops bcm5974 snd_timer rtc_cmos
> [ 667.258466] CPU: 2 PID: 2631 Comm: kworker/u8:117 Tainted: G W 3.17.0-rc4+ #45
> [ 667.258467] Hardware name: Apple Inc. MacBookPro10,2/Mac-AFD8A9D944EA4843, BIOS MBP102.88Z.0106.B01.1208311637 08/31/2012
> [ 667.258470] Workqueue: events_unbound async_run_entry_fn
> [ 667.258472] 0000000000000009 ffff8802284f3b90 ffffffff816f6d76 0000000000000000
> [ 667.258474] ffff8802284f3bc8 ffffffff81067343 ffff880261f00000 ffff880261eda000
> [ 667.258475] 0000000000080304 0000000000000003 ffff880261f8f0e0 ffff8802284f3bd8
> [ 667.258476] Call Trace:
> [ 667.258480] [<ffffffff816f6d76>] dump_stack+0x4d/0x6f
> [ 667.258483] [<ffffffff81067343>] warn_slowpath_common+0x73/0x90
> [ 667.258484] [<ffffffff81067415>] warn_slowpath_null+0x15/0x20
> [ 667.258486] [<ffffffff8148447b>] intel_dp_link_down+0x1cb/0x200
> [ 667.258488] [<ffffffff81489100>] intel_disable_dp+0x60/0x70
> [ 667.258490] [<ffffffff8146ec7a>] ironlake_crtc_disable+0x14a/0x7a0
> [ 667.258492] [<ffffffff81415bce>] ? drm_modeset_lock+0x2e/0xe0
> [ 667.258494] [<ffffffff81468871>] intel_crtc_control+0x41/0x100
> [ 667.258496] [<ffffffff814184fa>] i915_drm_freeze+0xaa/0x1f0
> [ 667.258497] [<ffffffff8141877a>] i915_pm_suspend+0x2a/0x50
> [ 667.258500] [<ffffffff8134b281>] pci_pm_suspend+0x71/0x1d0
> [ 667.258501] [<ffffffff8134b210>] ? pci_pm_suspend_noirq+0x250/0x250
> [ 667.258504] [<ffffffff814b43ef>] dpm_run_callback+0x3f/0x80
> [ 667.258506] [<ffffffff814b514b>] __device_suspend+0xfb/0x3d0
> [ 667.258507] [<ffffffff814b557a>] async_suspend+0x1a/0xa0
> [ 667.258509] [<ffffffff810834f2>] async_run_entry_fn+0x32/0x130
> [ 667.258511] [<ffffffff8107bf46>] process_one_work+0x166/0x390
> [ 667.258513] [<ffffffff8107c51b>] worker_thread+0x11b/0x490
> [ 667.258515] [<ffffffff8107c400>] ? rescuer_thread+0x290/0x290
> [ 667.258517] [<ffffffff81080f1d>] kthread+0xcd/0xf0
> [ 667.258519] [<ffffffff81080e50>] ? kthread_create_on_node+0x170/0x170
> [ 667.258521] [<ffffffff816ff22c>] ret_from_fork+0x7c/0xb0
> [ 667.258523] [<ffffffff81080e50>] ? kthread_create_on_node+0x170/0x170
> [ 667.258524] ---[ end trace 41c18eff292a7634 ]---
> [ 667.359739] ------------[ cut here ]------------
> [ 667.359742] WARNING: CPU: 2 PID: 2631 at /home/mafra/linux-2.6/drivers/gpu/drm/i915/intel_display.c:994 intel_wait_for_pipe_off+0x19e/0x1b0()
> [ 667.359743] pipe_off wait timed out
> [ 667.359753] Modules linked in: ctr ccm arc4 nls_iso8859_1 nls_cp437 b43 vfat fat mac80211 snd_hda_codec_hdmi snd_hda_codec_cirrus snd_hda_codec_generic cfg80211 snd_hda_intel snd_hda_controller snd_hda_codec uvcvideo x86_pkg_temp_thermal snd_hwdep snd_pcm crc32c_intel ghash_clmulni_intel videobuf2_core rfkill videobuf2_vmalloc ssb videobuf2_memops bcm5974 snd_timer rtc_cmos
> [ 667.359754] CPU: 2 PID: 2631 Comm: kworker/u8:117 Tainted: G W 3.17.0-rc4+ #45
> [ 667.359755] Hardware name: Apple Inc. MacBookPro10,2/Mac-AFD8A9D944EA4843, BIOS MBP102.88Z.0106.B01.1208311637 08/31/2012
> [ 667.359757] Workqueue: events_unbound async_run_entry_fn
> [ 667.359758] 0000000000000009 ffff8802284f3b58 ffffffff816f6d76 ffff8802284f3ba0
> [ 667.359760] ffff8802284f3b90 ffffffff81067343 ffff880261f00000 0000000000071008
> [ 667.359761] 0000000100059a43 ffff880261eda330 ffff880261eda338 ffff8802284f3bf0
> [ 667.359762] Call Trace:
> [ 667.359763] [<ffffffff816f6d76>] dump_stack+0x4d/0x6f
> [ 667.359765] [<ffffffff81067343>] warn_slowpath_common+0x73/0x90
> [ 667.359767] [<ffffffff810673a7>] warn_slowpath_fmt+0x47/0x50
> [ 667.359769] [<ffffffff8146494e>] intel_wait_for_pipe_off+0x19e/0x1b0
> [ 667.359771] [<ffffffff81464a03>] intel_disable_pipe+0xa3/0xb0
> [ 667.359772] [<ffffffff8146ebc0>] ironlake_crtc_disable+0x90/0x7a0
> [ 667.359774] [<ffffffff81415bce>] ? drm_modeset_lock+0x2e/0xe0
> [ 667.359775] [<ffffffff81468871>] intel_crtc_control+0x41/0x100
> [ 667.359777] [<ffffffff814184fa>] i915_drm_freeze+0xaa/0x1f0
> [ 667.359779] [<ffffffff8141877a>] i915_pm_suspend+0x2a/0x50
> [ 667.359780] [<ffffffff8134b281>] pci_pm_suspend+0x71/0x1d0
> [ 667.359782] [<ffffffff8134b210>] ? pci_pm_suspend_noirq+0x250/0x250
> [ 667.359783] [<ffffffff814b43ef>] dpm_run_callback+0x3f/0x80
> [ 667.359785] [<ffffffff814b514b>] __device_suspend+0xfb/0x3d0
> [ 667.359786] [<ffffffff814b557a>] async_suspend+0x1a/0xa0
> [ 667.359788] [<ffffffff810834f2>] async_run_entry_fn+0x32/0x130
> [ 667.359790] [<ffffffff8107bf46>] process_one_work+0x166/0x390
> [ 667.359791] [<ffffffff8107c51b>] worker_thread+0x11b/0x490
> [ 667.359793] [<ffffffff8107c400>] ? rescuer_thread+0x290/0x290
> [ 667.359795] [<ffffffff81080f1d>] kthread+0xcd/0xf0
> [ 667.359797] [<ffffffff81080e50>] ? kthread_create_on_node+0x170/0x170
> [ 667.359798] [<ffffffff816ff22c>] ret_from_fork+0x7c/0xb0
> [ 667.359800] [<ffffffff81080e50>] ? kthread_create_on_node+0x170/0x170
> [ 667.359801] ---[ end trace 41c18eff292a7635 ]---
> [ 667.411757] [drm:ironlake_disable_pch_transcoder] *ERROR* failed to disable transcoder B
> [ 668.391132] PM: suspend of devices complete after 1547.997 msecs
> [ 668.402077] PM: late suspend of devices complete after 10.935 msecs
> [ 668.404859] ehci-pci 0000:00:1d.0: System wakeup enabled by ACPI
> [ 668.404982] xhci_hcd 0000:00:14.0: System wakeup enabled by ACPI
> [ 668.405075] ehci-pci 0000:00:1a.0: System wakeup enabled by ACPI
> [ 668.416046] PM: noirq suspend of devices complete after 13.961 msecs
> [ 668.416640] ACPI: Preparing to enter system sleep state S3
> [ 668.720199] PM: Saving platform NVS memory
> [ 668.720201] Disabling non-boot CPUs ...
> [ 668.721386] smpboot: CPU 1 is now offline
> [ 668.723032] smpboot: CPU 2 is now offline
> [ 668.724401] smpboot: CPU 3 is now offline
> [ 668.725511] ACPI: Low-level resume complete
> [ 668.725549] PM: Restoring platform NVS memory
> [ 668.725860] Enabling non-boot CPUs ...
> [ 668.725925] x86: Booting SMP configuration:
> [ 668.725926] smpboot: Booting Node 0 Processor 1 APIC 0x2
> [ 668.749781] CPU1 is up
> [ 668.753563] smpboot: Booting Node 0 Processor 2 APIC 0x1
> [ 668.775414] CPU2 is up
> [ 668.775467] smpboot: Booting Node 0 Processor 3 APIC 0x3
> [ 668.799051] CPU3 is up
> [ 668.801941] ACPI: Waking up from system sleep state S3
> [ 670.820148] ehci-pci 0000:00:1a.0: System wakeup disabled by ACPI
> [ 670.820151] ehci-pci 0000:00:1d.0: System wakeup disabled by ACPI
> [ 670.820189] xhci_hcd 0000:00:14.0: System wakeup disabled by ACPI
> [ 670.820531] PM: noirq resume of devices complete after 11.356 msecs
> [ 670.820803] PM: early resume of devices complete after 0.254 msecs
> [ 670.821144] snd_hda_intel 0000:00:1b.0: irq 31 for MSI/MSI-X
> [ 670.821365] sd 0:0:0:0: [sda] Starting disk
> [ 670.822629] rtc_cmos 00:02: System wakeup disabled by ACPI
> [ 671.128004] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
> [ 671.128535] ata1.00: unexpected _GTF length (8)
> [ 671.128933] ata1.00: unexpected _GTF length (8)
> [ 671.129025] ata1.00: configured for UDMA/133
> [ 671.474815] [drm:intel_dp_start_link_train] *ERROR* failed to enable link training
> [ 671.477422] [drm:intel_dp_complete_link_train] *ERROR* failed to start channel equalization
> [ 671.496088] [drm:cpt_verify_modeset] *ERROR* mode set failed: pipe B stuck
> [ 671.496109] ------------[ cut here ]------------
> [ 671.496114] WARNING: CPU: 0 PID: 2634 at /home/mafra/linux-2.6/drivers/gpu/drm/i915/intel_display.c:10587 intel_modeset_check_state+0x600/0x790()
> [ 671.496115] encoder's hw state doesn't match sw tracking (expected 1, found 0)
> [ 671.496132] Modules linked in: ctr ccm arc4 nls_iso8859_1 nls_cp437 b43 vfat fat mac80211 snd_hda_codec_hdmi snd_hda_codec_cirrus snd_hda_codec_generic cfg80211 snd_hda_intel snd_hda_controller snd_hda_codec uvcvideo x86_pkg_temp_thermal snd_hwdep snd_pcm crc32c_intel ghash_clmulni_intel videobuf2_core rfkill videobuf2_vmalloc ssb videobuf2_memops bcm5974 snd_timer rtc_cmos
> [ 671.496134] CPU: 0 PID: 2634 Comm: kworker/u8:120 Tainted: G W 3.17.0-rc4+ #45
> [ 671.496135] Hardware name: Apple Inc. MacBookPro10,2/Mac-AFD8A9D944EA4843, BIOS MBP102.88Z.0106.B01.1208311637 08/31/2012
> [ 671.496139] Workqueue: events_unbound async_run_entry_fn
> [ 671.496142] 0000000000000009 ffff880228463b68 ffffffff816f6d76 ffff880228463bb0
> [ 671.496144] ffff880228463ba0 ffffffff81067343 0000000000000001 ffff880261eda338
> [ 671.496145] ffff880261eda000 ffff880261f8f000 ffff880261eda308 ffff880228463c00
> [ 671.496146] Call Trace:
> [ 671.496150] [<ffffffff816f6d76>] dump_stack+0x4d/0x6f
> [ 671.496153] [<ffffffff81067343>] warn_slowpath_common+0x73/0x90
> [ 671.496154] [<ffffffff810673a7>] warn_slowpath_fmt+0x47/0x50
> [ 671.496156] [<ffffffff814714e0>] intel_modeset_check_state+0x600/0x790
> [ 671.496158] [<ffffffff81473627>] intel_modeset_setup_hw_state+0x857/0xd40
> [ 671.496161] [<ffffffff81417be9>] __i915_drm_thaw+0x159/0x1d0
> [ 671.496163] [<ffffffff814187f3>] i915_resume+0x23/0x40
> [ 671.496165] [<ffffffff81418820>] i915_pm_resume+0x10/0x20
> [ 671.496167] [<ffffffff8134af2a>] pci_pm_resume+0x7a/0x110
> [ 671.496169] [<ffffffff8134aeb0>] ? pci_pm_resume_noirq+0xb0/0xb0
> [ 671.496172] [<ffffffff814b43ef>] dpm_run_callback+0x3f/0x80
> [ 671.496174] [<ffffffff814b4970>] device_resume+0x90/0x260
> [ 671.496176] [<ffffffff814b4b58>] async_resume+0x18/0x40
> [ 671.496177] [<ffffffff810834f2>] async_run_entry_fn+0x32/0x130
> [ 671.496180] [<ffffffff8107bf46>] process_one_work+0x166/0x390
> [ 671.496182] [<ffffffff8107c51b>] worker_thread+0x11b/0x490
> [ 671.496184] [<ffffffff8107c400>] ? rescuer_thread+0x290/0x290
> [ 671.496186] [<ffffffff81080f1d>] kthread+0xcd/0xf0
> [ 671.496188] [<ffffffff81080e50>] ? kthread_create_on_node+0x170/0x170
> [ 671.496191] [<ffffffff816ff22c>] ret_from_fork+0x7c/0xb0
> [ 671.496193] [<ffffffff81080e50>] ? kthread_create_on_node+0x170/0x170
> [ 671.496194] ---[ end trace 41c18eff292a7636 ]---
> [ 671.496213] [drm:intel_pipe_config_compare] *ERROR* mismatch in has_dp_encoder (expected 1, found 0)
> [ 671.496213] ------------[ cut here ]------------
> [ 671.496217] WARNING: CPU: 0 PID: 2634 at /home/mafra/linux-2.6/drivers/gpu/drm/i915/intel_display.c:10659 check_crtc_state+0x215/0x330()
> [ 671.496218] pipe state doesn't match!
> [ 671.496228] Modules linked in: ctr ccm arc4 nls_iso8859_1 nls_cp437 b43 vfat fat mac80211 snd_hda_codec_hdmi snd_hda_codec_cirrus snd_hda_codec_generic cfg80211 snd_hda_intel snd_hda_controller snd_hda_codec uvcvideo x86_pkg_temp_thermal snd_hwdep snd_pcm crc32c_intel ghash_clmulni_intel videobuf2_core rfkill videobuf2_vmalloc ssb videobuf2_memops bcm5974 snd_timer rtc_cmos
> [ 671.496229] CPU: 0 PID: 2634 Comm: kworker/u8:120 Tainted: G W 3.17.0-rc4+ #45
> [ 671.496230] Hardware name: Apple Inc. MacBookPro10,2/Mac-AFD8A9D944EA4843, BIOS MBP102.88Z.0106.B01.1208311637 08/31/2012
> [ 671.496232] Workqueue: events_unbound async_run_entry_fn
> [ 671.496233] 0000000000000009 ffff880228463898 ffffffff816f6d76 ffff8802284638e0
> [ 671.496235] ffff8802284638d0 ffffffff81067343 ffff880261f57708 ffff880228463968
> [ 671.496237] ffff880261eda000 ffff880261f57000 ffff880261eda338 ffff880228463930
> [ 671.496237] Call Trace:
> [ 671.496239] [<ffffffff816f6d76>] dump_stack+0x4d/0x6f
> [ 671.496240] [<ffffffff81067343>] warn_slowpath_common+0x73/0x90
> [ 671.496242] [<ffffffff810673a7>] warn_slowpath_fmt+0x47/0x50
> [ 671.496245] [<ffffffff81460047>] ? intel_pipe_config_compare+0x657/0xbb0
> [ 671.496247] [<ffffffff81461ce5>] check_crtc_state+0x215/0x330
> [ 671.496250] [<ffffffff8147115f>] intel_modeset_check_state+0x27f/0x790
> [ 671.496251] [<ffffffff81473627>] intel_modeset_setup_hw_state+0x857/0xd40
> [ 671.496253] [<ffffffff81417be9>] __i915_drm_thaw+0x159/0x1d0
> [ 671.496255] [<ffffffff814187f3>] i915_resume+0x23/0x40
> [ 671.496256] [<ffffffff81418820>] i915_pm_resume+0x10/0x20
> [ 671.496258] [<ffffffff8134af2a>] pci_pm_resume+0x7a/0x110
> [ 671.496259] [<ffffffff8134aeb0>] ? pci_pm_resume_noirq+0xb0/0xb0
> [ 671.496261] [<ffffffff814b43ef>] dpm_run_callback+0x3f/0x80
> [ 671.496263] [<ffffffff814b4970>] device_resume+0x90/0x260
> [ 671.496265] [<ffffffff814b4b58>] async_resume+0x18/0x40
> [ 671.496266] [<ffffffff810834f2>] async_run_entry_fn+0x32/0x130
> [ 671.496268] [<ffffffff8107bf46>] process_one_work+0x166/0x390
> [ 671.496270] [<ffffffff8107c51b>] worker_thread+0x11b/0x490
> [ 671.496271] [<ffffffff8107c400>] ? rescuer_thread+0x290/0x290
> [ 671.496273] [<ffffffff81080f1d>] kthread+0xcd/0xf0
> [ 671.496275] [<ffffffff81080e50>] ? kthread_create_on_node+0x170/0x170
> [ 671.496277] [<ffffffff816ff22c>] ret_from_fork+0x7c/0xb0
> [ 671.496279] [<ffffffff81080e50>] ? kthread_create_on_node+0x170/0x170
> [ 671.496280] ---[ end trace 41c18eff292a7637 ]---
> [ 671.497104] PM: resume of devices complete after 676.117 msecs
> [ 671.498302] PM: Finishing wakeup.
> [ 671.498303] Restarting tasks ... done.
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