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[Patrik Lundquist <1211394@xxxxxxxxxxxxxxxxxx>]

I get this crash every time during boot. Got a Xeon E3-1245 V2 (HD
Graphics P4000) connected to a Dell U2713HM via DisplayPort. Seems
related to the bug report.


[    1.460294] ------------[ cut here ]------------
[    1.460309] WARNING: CPU: 2 PID: 161 at /build/buildd/linux-3.11.0/drivers/gpu/drm/i915/intel_display.c:822 intel_wait_for_pipe_off+0xfb/0x1c0 [i915]()
[    1.460309] pipe_off wait timed out
[    1.460325] Modules linked in: i915(+) crct10dif_pclmul(F) crc32_pclmul(F) ghash_clmulni_intel(F) video(F) i2c_algo_bit aesni_intel(F) drm_kms_helper aes_x86_64(F) lrw(F) gf128mul(F) glue_helper(F) ablk_helper(F) cryptd(F) microcode(F) drm ahci(F) libahci(F) e1000e(F) ptp(F) pps_core(F) wmi
[    1.460327] CPU: 2 PID: 161 Comm: systemd-udevd Tainted: GF            3.11.0-9-generic #16-Ubuntu
[    1.460327] Hardware name: Hewlett-Packard HP Z220 CMT Workstation/1790, BIOS K51 v01.65 09/03/2013
[    1.460329]  0000000000000009 ffff8804035bd2c8 ffffffff816f3219 ffff8804035bd310
[    1.460330]  ffff8804035bd300 ffffffff81061dbd 0000000000070008 ffff880402a00000
[    1.460330]  00000000fffedc72 ffff8804035bdfd8 ffff880402919c70 ffff8804035bd360
[    1.460331] Call Trace:
[    1.460335]  [<ffffffff816f3219>] dump_stack+0x45/0x56
[    1.460338]  [<ffffffff81061dbd>] warn_slowpath_common+0x7d/0xa0
[    1.460339]  [<ffffffff81061e2c>] warn_slowpath_fmt+0x4c/0x50
[    1.460347]  [<ffffffffa01c7e16>] ? i915_read32+0x66/0x140 [i915]
[    1.460354]  [<ffffffffa01f27db>] intel_wait_for_pipe_off+0xfb/0x1c0 [i915]
[    1.460360]  [<ffffffffa01f292d>] intel_disable_pipe+0x8d/0xa0 [i915]
[    1.460365]  [<ffffffffa01f4716>] ironlake_crtc_disable+0xd6/0x8c0 [i915]
[    1.460371]  [<ffffffffa01f9b14>] __intel_set_mode+0x314/0x880 [i915]
[    1.460377]  [<ffffffffa01fc106>] intel_set_mode+0x16/0x30 [i915]
[    1.460383]  [<ffffffffa01fc962>] intel_crtc_set_config+0x742/0x910 [i915]
[    1.460390]  [<ffffffffa0097f8d>] drm_mode_set_config_internal+0x5d/0xe0 [drm]
[    1.460392]  [<ffffffffa013b681>] drm_fb_helper_set_par+0x71/0xf0 [drm_kms_helper]
[    1.460394]  [<ffffffff813cb574>] fbcon_init+0x504/0x580
[    1.460397]  [<ffffffff814440ec>] visual_init+0xbc/0x120
[    1.460399]  [<ffffffff814468d3>] do_bind_con_driver+0x163/0x330
[    1.460400]  [<ffffffff81447084>] do_take_over_console+0x114/0x1c0
[    1.460401]  [<ffffffff813c7013>] do_fbcon_takeover+0x63/0xd0
[    1.460402]  [<ffffffff813cc1ad>] fbcon_event_notify+0x6dd/0x830
[    1.460404]  [<ffffffff816fe93c>] notifier_call_chain+0x4c/0x70
[    1.460406]  [<ffffffff8108a2dd>] __blocking_notifier_call_chain+0x4d/0x70
[    1.460407]  [<ffffffff8108a316>] blocking_notifier_call_chain+0x16/0x20
[    1.460409]  [<ffffffff813bc66b>] fb_notifier_call_chain+0x1b/0x20
[    1.460410]  [<ffffffff813be64d>] register_framebuffer+0x1dd/0x310
[    1.460412]  [<ffffffffa013b31f>] drm_fb_helper_initial_config+0x32f/0x510 [drm_kms_helper]
[    1.460414]  [<ffffffff8104dee9>] ? default_spin_lock_flags+0x9/0x10
[    1.460423]  [<ffffffffa021d481>] intel_fbdev_initial_config+0x21/0x30 [i915]
[    1.460430]  [<ffffffffa01cc311>] i915_driver_load+0xdc1/0xdf0 [i915]
[    1.460435]  [<ffffffffa0093826>] drm_get_pci_dev+0x166/0x2c0 [drm]
[    1.460441]  [<ffffffffa01c771c>] i915_pci_probe+0x2c/0x70 [i915]
[    1.460444]  [<ffffffff81393fae>] local_pci_probe+0x3e/0x70
[    1.460445]  [<ffffffff813952f1>] pci_device_probe+0x121/0x130
[    1.460447]  [<ffffffff81475667>] driver_probe_device+0x87/0x3a0
[    1.460448]  [<ffffffff81475a53>] __driver_attach+0x93/0xa0
[    1.460449]  [<ffffffff814759c0>] ? __device_attach+0x40/0x40
[    1.460451]  [<ffffffff81473583>] bus_for_each_dev+0x63/0xa0
[    1.460451]  [<ffffffff814750be>] driver_attach+0x1e/0x20
[    1.460452]  [<ffffffff81474c58>] bus_add_driver+0x1e8/0x2a0
[    1.460453]  [<ffffffffa016c000>] ? 0xffffffffa016bfff
[    1.460454]  [<ffffffff814760f4>] driver_register+0x74/0x150
[    1.460455]  [<ffffffffa016c000>] ? 0xffffffffa016bfff
[    1.460456]  [<ffffffff81393e2c>] __pci_register_driver+0x4c/0x50
[    1.460460]  [<ffffffffa0093a9a>] drm_pci_init+0x11a/0x130 [drm]
[    1.460461]  [<ffffffffa016c000>] ? 0xffffffffa016bfff
[    1.460466]  [<ffffffffa016c066>] i915_init+0x66/0x68 [i915]
[    1.460468]  [<ffffffff810020fa>] do_one_initcall+0xfa/0x1b0
[    1.460469]  [<ffffffff810548d3>] ? set_memory_nx+0x43/0x50
[    1.460471]  [<ffffffff810cc512>] load_module+0x12b2/0x1b80
[    1.460472]  [<ffffffff810c83e0>] ? store_uevent+0x40/0x40
[    1.460474]  [<ffffffff810cce82>] SyS_init_module+0xa2/0xf0
[    1.460476]  [<ffffffff817032ef>] tracesys+0xe1/0xe6
[    1.460476] ---[ end trace 0059bfb137da0d27 ]---

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https://bugs.launchpad.net/bugs/1211394

Title:
  ThinkPad X201 external screen might blank when connected over
  displayport.

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  [   28.560855] Pid: 1422, comm: modprobe Tainted: PF          O 3.8.0-27-generic #40-Ubuntu
  [   28.560855] Call Trace:
  [   28.560861]  [<ffffffff810587ef>] warn_slowpath_common+0x7f/0xc0
  [   28.560863]  [<ffffffff810588ec>] warn_slowpath_fmt+0x4c/0x50
  [   28.560875]  [<ffffffffa07bd182>] intel_wait_for_pipe_off+0xe2/0x1a0 [i915]
  [   28.560886]  [<ffffffffa07bd376>] intel_disable_pipe+0x136/0x170 [i915]

  I'm having this issue on both precise and raring on ThinkPad X201.
  This issue only appears when external display attached to DisplayPort.

  The behavior is consistent with stock/mainline kernel with stock or
  intel linuxgraphics drivers (3.8.0-26-generic, 3.8.0-27-generic,
  3.8.0-27-generic with intel linux-graphics 2013Q2,
  3.10.0-997-generic,3.10.0-997-generic with intel linux-graphics
  2013Q2).

  External display works perfectly on VGA port.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: linux-image-3.8.0-27-generic 3.8.0-27.40
  ProcVersionSignature: Ubuntu 3.8.0-27.40-generic 3.8.13.4
  Uname: Linux 3.8.0-27-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl zcommon znvpair
  ApportVersion: 2.9.2-0ubuntu8.3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  coyang     5192 F.... pulseaudio
  Date: Tue Aug 13 00:09:38 2013
  HibernationDevice: RESUME=UUID=a5e3bbe9-32c8-45b5-bb80-7992a11ee933
  InstallationDate: Installed on 2010-11-08 (1008 days ago)
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  MachineType: LENOVO 3680N48
  MarkForUpload: True
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: boot=zfs bootfs=rpool/ROOT/raring clocksource=acpi_pm noapic usbcore.autosuspend=1 nmi_watchdog=0 processor.ignore_ppc=1 enable_mtrr_cleanup mtrr_spare_reg_nr=1 pciehp.pciehp_force=1 i915.semaphores=1
  PulseList:
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
   No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-27-generic N/A
   linux-backports-modules-3.8.0-27-generic  N/A
   linux-firmware                            1.106
  SourcePackage: linux
  UpgradeStatus: Upgraded to raring on 2011-10-10 (672 days ago)
  WifiSyslog:
   Aug 13 00:09:32 coyang kernel: [  905.922614] type=1400 audit(1376323772.402:88): apparmor="ALLOWED" operation="open" parent=10533 profile="/opt/google/chrome/google-chrome//chrome_sandbox" name="/sys/devices/system/cpu/online" pid=10537 comm="nacl_helper_boo" requested_mask="r" denied_mask="r" fsuid=1001 ouid=0
   Aug 13 00:14:41 coyang NetworkManager[3222]: <warn> nl_recvmsgs() error: (-33) Dump inconsistency detected, interrupted
  dmi.bios.date: 10/11/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6QET70WW (1.40 )
  dmi.board.name: 3680N48
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr6QET70WW(1.40):bd10/11/2012:svnLENOVO:pn3680N48:pvrThinkPadX201:rvnLENOVO:rn3680N48:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 3680N48
  dmi.product.version: ThinkPad X201
  dmi.sys.vendor: LENOVO

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