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["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

Galen Thurber, thank you for reporting this and helping make Ubuntu better. Please execute the following in a terminal:
apport-collect 1437042

Please ensure you have xdiagnose installed, and that you click the Yes
button for attaching additional debugging information.

** Changed in: xorg (Ubuntu)
   Importance: Undecided => Low

** Changed in: xorg (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1437042

Title:
  xorg many call traces on startup and shutdown

Status in xorg package in Ubuntu:
  Incomplete

Bug description:
  after updating from 12.0.5 to 14.04 xorg is causing many
  call traces on startup and shutdown

  computer not causing call traces under linux lite 2.2, sparky
  [debian8]

  
  [73852.453544] CPU: 0 PID: 1970 Comm: Xorg Tainted: G        W     3.13.0-48-generic #80-Ubuntu
  [73852.453547] Hardware name: Dell Inc. Inspiron 1525                   /0U990C, BIOS A13 06/27/2008
  [73852.453550]  00000000 00000000 e3f8fb58 c1655f92 e3f8fb98 e3f8fb88 c1056a7e f8c2ccfc
  [73852.453559]  e3f8fbb4 000007b2 f8c2ab64 00002413 f8be2a1d f8be2a1d e4937000 e48305c0
  [73852.453569]  00000000 e3f8fba0 c1056ad3 00000009 e3f8fb98 f8c2ccfc e3f8fbb4 e3f8fbf4
  [73852.453578] Call Trace:
  [73852.453587]  [<c1655f92>] dump_stack+0x41/0x52
  [73852.453594]  [<c1056a7e>] warn_slowpath_common+0x7e/0xa0
  [73852.453629]  [<f8be2a1d>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
  [73852.453659]  [<f8be2a1d>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
  [73852.453664]  [<c1056ad3>] warn_slowpath_fmt+0x33/0x40
  [73852.453696]  [<f8be2a1d>] intel_modeset_check_state+0x5dd/0x750 [i915]
  [73852.453731]  [<f8be2c20>] intel_set_mode+0x30/0x40 [i915]
  [73852.453761]  [<f8be2cf4>] intel_release_load_detect_pipe+0xc4/0xf0 [i915]
  [73852.453806]  [<f8c0912d>] intel_tv_detect+0x34d/0x510 [i915]
  [73852.453818]  [<c14fc101>] ? i2c_transfer+0x11/0xc0
  [73852.453829]  [<f856b158>] drm_helper_probe_single_connector_modes+0x1d8/0x360 [drm_kms_helper]
  [73852.453841]  [<c165ada0>] ? mutex_lock+0x10/0x28
  [73852.453875]  [<f882c5cd>] drm_mode_getconnector+0x32d/0x390 [drm]
  [73852.453902]  [<f882c2a0>] ? drm_mode_getcrtc+0xc0/0xc0 [drm]
  [73852.453920]  [<f881f792>] drm_ioctl+0x472/0x500 [drm]
  [73852.453947]  [<f882c2a0>] ? drm_mode_getcrtc+0xc0/0xc0 [drm]
  [73852.453956]  [<c10174fe>] ? __switch_to_xtra+0xfe/0x130
  [73852.453963]  [<c1087c51>] ? set_next_entity+0xb1/0xe0
  [73852.453970]  [<c100ef30>] ? __switch_to+0x2c0/0x340
  [73852.453987]  [<f881f320>] ? drm_free_buffer+0x30/0x30 [drm]
  [73852.453995]  [<c118b092>] do_vfs_ioctl+0x2e2/0x4d0
  [73852.454000]  [<c1659718>] ? __schedule+0x358/0x770
  [73852.454007]  [<c12ff98b>] ? lockref_put_or_lock+0xb/0x30
  [73852.454013]  [<c117b9e5>] ? __fput+0x155/0x210
  [73852.454018]  [<c118b2e0>] SyS_ioctl+0x60/0x80
  [73852.454023]  [<c166430d>] sysenter_do_call+0x12/0x12
  [73852.454027] ---[ end trace 1e49de400e8e1259 ]---

  
   example
  [73852.453544] CPU: 0 PID: 1970 Comm: Xorg Tainted: G        W     3.13.0-48-generic #80-Ubuntu
  [73852.453547] Hardware name: Dell Inc. Inspiron 1525                   /0U990C, BIOS A13 06/27/2008
  [73852.453550]  00000000 00000000 e3f8fb58 c1655f92 e3f8fb98 e3f8fb88 c1056a7e f8c2ccfc
  [73852.453559]  e3f8fbb4 000007b2 f8c2ab64 00002413 f8be2a1d f8be2a1d e4937000 e48305c0
  [73852.453569]  00000000 e3f8fba0 c1056ad3 00000009 e3f8fb98 f8c2ccfc e3f8fbb4 e3f8fbf4
  [73852.453578] Call Trace:
  [73852.453587]  [<c1655f92>] dump_stack+0x41/0x52
  [73852.453594]  [<c1056a7e>] warn_slowpath_common+0x7e/0xa0
  [73852.453629]  [<f8be2a1d>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
  [73852.453659]  [<f8be2a1d>] ? intel_modeset_check_state+0x5dd/0x750 [i915]
  [73852.453664]  [<c1056ad3>] warn_slowpath_fmt+0x33/0x40
  [73852.453696]  [<f8be2a1d>] intel_modeset_check_state+0x5dd/0x750 [i915]
  [73852.453731]  [<f8be2c20>] intel_set_mode+0x30/0x40 [i915]
  [73852.453761]  [<f8be2cf4>] intel_release_load_detect_pipe+0xc4/0xf0 [i915]
  [73852.453806]  [<f8c0912d>] intel_tv_detect+0x34d/0x510 [i915]
  [73852.453818]  [<c14fc101>] ? i2c_transfer+0x11/0xc0
  [73852.453829]  [<f856b158>] drm_helper_probe_single_connector_modes+0x1d8/0x360 [drm_kms_helper]
  [73852.453841]  [<c165ada0>] ? mutex_lock+0x10/0x28
  [73852.453875]  [<f882c5cd>] drm_mode_getconnector+0x32d/0x390 [drm]
  [73852.453902]  [<f882c2a0>] ? drm_mode_getcrtc+0xc0/0xc0 [drm]
  [73852.453920]  [<f881f792>] drm_ioctl+0x472/0x500 [drm]
  [73852.453947]  [<f882c2a0>] ? drm_mode_getcrtc+0xc0/0xc0 [drm]
  [73852.453956]  [<c10174fe>] ? __switch_to_xtra+0xfe/0x130
  [73852.453963]  [<c1087c51>] ? set_next_entity+0xb1/0xe0
  [73852.453970]  [<c100ef30>] ? __switch_to+0x2c0/0x340
  [73852.453987]  [<f881f320>] ? drm_free_buffer+0x30/0x30 [drm]
  [73852.453995]  [<c118b092>] do_vfs_ioctl+0x2e2/0x4d0
  [73852.454000]  [<c1659718>] ? __schedule+0x358/0x770
  [73852.454007]  [<c12ff98b>] ? lockref_put_or_lock+0xb/0x30
  [73852.454013]  [<c117b9e5>] ? __fput+0x155/0x210
  [73852.454018]  [<c118b2e0>] SyS_ioctl+0x60/0x80
  [73852.454023]  [<c166430d>] sysenter_do_call+0x12/0x12
  [73852.454027] ---[ end trace 1e49de400e8e1259 ]---

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: xorg 1:7.7+1ubuntu8.1
  ProcVersionSignature: Ubuntu 3.13.0-48.80-generic 3.13.11-ckt16
  Uname: Linux 3.13.0-48-generic i686
  ApportVersion: 2.14.1-0ubuntu3.7
  Architecture: i386
  CurrentDesktop: XFCE
  Date: Thu Mar 26 17:48:07 2015
  InstallationDate: Installed on 2014-04-21 (339 days ago)
  InstallationMedia: Xubuntu 12.04.4 LTS "Precise Pangolin" - Release i386 (20140205)
  SourcePackage: xorg
  UpgradeStatus: Upgraded to trusty on 2015-03-24 (2 days ago)

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