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[Adam Skillen <askillen@xxxxxxxxxxxxxxxx>]

apport information

** Attachment added: "UdevLog.txt"
   https://bugs.launchpad.net/bugs/1343543/+attachment/4155039/+files/UdevLog.txt

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https://bugs.launchpad.net/bugs/1343543

Title:
  X stops responding to input after entering idle power saving (screen
  off)

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  I recently upgraded from 12.04 to 14.04.  Since the upgrade I have
  been having issues with X freezing after the screen enters power
  saving.  The issue did not occur in 12.04.  If I boot up a raring or
  saucy kernel, the issue does not occur.  The 3.13 trusty, and 3.16
  utopic kernels are affected.  It also occured when I tested the latest
  mainline drm-intel-next and utopic-rc kernels.

  Symptoms:
  After waking the screen from power saving/screensaver, the primary display wakes but X stops responding to input (the mouse cursor can still move, but clicking has no effect).  Secondary display does not wake.

  Frequency/conditions:
  Occurs almost every time the screen enters power saving (possibly DPMS issue?)

  When did you first notice it:
  Immediately after upgrading to 14.04

  I followed the suggestions at this URL and tested a few kernels:
  https://wiki.ubuntu.com/X/Troubleshooting/Freeze

  The issue does NOT occur when running these older kernels:
    linux-image-3.8.0-42-generic (3.8.0-42.62~precise1)
    linux-image-3.11.0-24-generic (3.11.0-24.42~precise1)

  The issue does occur when running these kernels:
    linux-image-3.16.0-997-generic (3.16.0-997.201407120342)
    linux-image-3.16.0-031600rc5-generic (3.16.0-031600rc5.201407131735)
    linux-image-3.16.0-3-generic (3.16.0-3.8)
    linux-image-3.13.0-32-generic (3.13.0-32.56)

  Additional notes:
  I have a hybrid Intel/Nvidia GPU model (Nvidia optimus), however the error
  occurs whether or not I have invoked the discrete Nvidia card.

  I am running the most recent BIOS for my system.

  When running the 3.11 saucy kernel I still see error messages in dmesg
  after entering power saving, however X does not freeze.

  dmesg errors:

  [ 4087.958566] WARNING: CPU: 6 PID: 1331 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9237 intel_modeset_check_state+0x62d/0x780 [i915]()
  [ 4087.958571] encoder's hw state doesn't match sw tracking (expected 1, found 0)
  [ 4087.958574] Modules linked in: bbswitch(OF) ipt_REJECT xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) bnep rfcomm bluetooth binfmt_misc arc4 iwldvm mac80211 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer parport_pc ppdev lp hid_generic uvcvideo usbhid videobuf2_vmalloc videobuf2_memops intel_rapl videobuf2_core x86_pkg_temp_thermal mei_me intel_powerclamp mei videodev hid iwlwifi snd dell_laptop dell_wmi coretemp dcdbas sparse_keymap wmi soundcore kvm_intel cfg80211 kvm parport joydev mac_hid lpc_ich serio_raw dm_crypt ses enclosure usb_storage i915 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul i2c_algo_bit glue_helper ablk_helper drm_kms_helper cryptd drm psmouse r8169 ahci libahci mii video
  [ 4087.958682] CPU: 6 PID: 1331 Comm: Xorg Tainted: GF       W  O 3.13.0-32-generic #57-Ubuntu
  [ 4087.958686] Hardware name: Dell Inc.          Dell System XPS L502X/0NJT03, BIOS A12 09/07/2012
  [ 4087.958690]  0000000000000009 ffff880220445b68 ffffffff8171bcb4 ffff880220445bb0
  [ 4087.958698]  ffff880220445ba0 ffffffff810676cd ffff880220445c20 0000000000000001
  [ 4087.958705]  ffff88022d517800 ffff88022d517af8 ffff88022ccc2800 ffff880220445c00
  [ 4087.958712] Call Trace:
  [ 4087.958728]  [<ffffffff8171bcb4>] dump_stack+0x45/0x56
  [ 4087.958737]  [<ffffffff810676cd>] warn_slowpath_common+0x7d/0xa0
  [ 4087.958743]  [<ffffffff8106773c>] warn_slowpath_fmt+0x4c/0x50
  [ 4087.958783]  [<ffffffffa017533d>] intel_modeset_check_state+0x62d/0x780 [i915]
  [ 4087.958817]  [<ffffffffa0175525>] intel_set_mode+0x25/0x30 [i915]
  [ 4087.958851]  [<ffffffffa0175dcb>] intel_crtc_set_config+0x7ab/0x9a0 [i915]
  [ 4087.958893]  [<ffffffffa006eebd>] drm_mode_set_config_internal+0x5d/0xe0 [drm]
  [ 4087.958929]  [<ffffffffa0071da7>] drm_mode_setcrtc+0xf7/0x5e0 [drm]
  [ 4087.958956]  [<ffffffffa0062c22>] drm_ioctl+0x502/0x630 [drm]
  [ 4087.958975]  [<ffffffff811cfd10>] do_vfs_ioctl+0x2e0/0x4c0
  [ 4087.958983]  [<ffffffff8109ddf4>] ? vtime_account_user+0x54/0x60
  [ 4087.958992]  [<ffffffff811cff71>] SyS_ioctl+0x81/0xa0
  [ 4087.959002]  [<ffffffff8172c87f>] tracesys+0xe1/0xe6
  [ 4087.959007] ---[ end trace e81d86e8a034e409 ]---
  [ 4087.959048] [drm:intel_pipe_config_compare] *ERROR* mismatch in has_dp_encoder (expected 1, found 0)
  [ 4087.959052] ------------[ cut here ]------------
  [ 4087.959085] WARNING: CPU: 6 PID: 1331 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9310 check_crtc_state+0x255/0x340 [i915]()
  [ 4087.959089] pipe state doesn't match!
  [ 4087.959091] Modules linked in: bbswitch(OF) ipt_REJECT xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) bnep rfcomm bluetooth binfmt_misc arc4 iwldvm mac80211 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer parport_pc ppdev lp hid_generic uvcvideo usbhid videobuf2_vmalloc videobuf2_memops intel_rapl videobuf2_core x86_pkg_temp_thermal mei_me intel_powerclamp mei videodev hid iwlwifi snd dell_laptop dell_wmi coretemp dcdbas sparse_keymap wmi soundcore kvm_intel cfg80211 kvm parport joydev mac_hid lpc_ich serio_raw dm_crypt ses enclosure usb_storage i915 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul i2c_algo_bit glue_helper ablk_helper drm_kms_helper cryptd drm psmouse r8169 ahci libahci mii video
  [ 4087.959183] CPU: 6 PID: 1331 Comm: Xorg Tainted: GF       W  O 3.13.0-32-generic #57-Ubuntu
  [ 4087.959186] Hardware name: Dell Inc.          Dell System XPS L502X/0NJT03, BIOS A12 09/07/2012
  [ 4087.959189]  0000000000000009 ffff8802204458a8 ffffffff8171bcb4 ffff8802204458f0
  [ 4087.959196]  ffff8802204458e0 ffffffff810676cd ffff8802328ed6e0 ffff880220445970
  [ 4087.959202]  ffff88022d517800 ffff8802328ed000 ffff88022d517b28 ffff880220445940
  [ 4087.959208] Call Trace:
  [ 4087.959217]  [<ffffffff8171bcb4>] dump_stack+0x45/0x56
  [ 4087.959224]  [<ffffffff810676cd>] warn_slowpath_common+0x7d/0xa0
  [ 4087.959230]  [<ffffffff8106773c>] warn_slowpath_fmt+0x4c/0x50
  [ 4087.959263]  [<ffffffffa01660ab>] ? intel_pipe_config_compare+0x60b/0xae0 [i915]
  [ 4087.959293]  [<ffffffffa01678c5>] check_crtc_state+0x255/0x340 [i915]
  [ 4087.959327]  [<ffffffffa0174fcb>] intel_modeset_check_state+0x2bb/0x780 [i915]
  [ 4087.959357]  [<ffffffffa0175525>] intel_set_mode+0x25/0x30 [i915]
  [ 4087.959386]  [<ffffffffa0175dcb>] intel_crtc_set_config+0x7ab/0x9a0 [i915]
  [ 4087.959417]  [<ffffffffa006eebd>] drm_mode_set_config_internal+0x5d/0xe0 [drm]
  [ 4087.959448]  [<ffffffffa0071da7>] drm_mode_setcrtc+0xf7/0x5e0 [drm]
  [ 4087.959472]  [<ffffffffa0062c22>] drm_ioctl+0x502/0x630 [drm]
  [ 4087.959487]  [<ffffffff811cfd10>] do_vfs_ioctl+0x2e0/0x4c0
  [ 4087.959493]  [<ffffffff8109ddf4>] ? vtime_account_user+0x54/0x60
  [ 4087.959501]  [<ffffffff811cff71>] SyS_ioctl+0x81/0xa0
  [ 4087.959509]  [<ffffffff8172c87f>] tracesys+0xe1/0xe6
  [ 4087.959513] ---[ end trace e81d86e8a034e40a ]---
  --- 
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  adam       2455 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=e4077f94-6164-4268-b130-d6ae6eaa2dea
  InstallationDate: Installed on 2013-12-01 (227 days ago)
  InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64 (20130820.2)
  MachineType: Dell Inc. Dell System XPS L502X
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-32-generic root=UUID=be640676-3b3e-4da5-950e-0c72e37bd481 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-32-generic N/A
   linux-backports-modules-3.13.0-32-generic  N/A
   linux-firmware                             1.127.5
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: yes
  Tags:  trusty
  Uname: Linux 3.13.0-32-generic x86_64
  UpgradeStatus: Upgraded to trusty on 2014-07-05 (12 days ago)
  UserGroups: adm bumblebee cdrom dip fuse lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 09/07/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A12
  dmi.board.name: 0NJT03
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnDellInc.:bvrA12:bd09/07/2012:svnDellInc.:pnDellSystemXPSL502X:pvr:rvnDellInc.:rn0NJT03:rvrA00:cvnDellInc.:ct8:cvr0.1:
  dmi.product.name: Dell System XPS L502X
  dmi.sys.vendor: Dell Inc.

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