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[Bug 1343543] Re: X stops responding to input after entering idle power saving (screen off)

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** Attachment added: "Xorg.0.log after freeze"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1343543/+attachment/4154967/+files/Xorg.0.log_post-freeze.txt

** Tags added: kernel-bug

** Tags added: drm-intel xorg

** Description changed:

- 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.
+ 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.
+ 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)
+   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)
- 
+   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 
+ 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. 
- 
- 
+ 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 ]---

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
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:
  Incomplete

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 ]---

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