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[Bug 1501260] Re: drm:intel_pipe_config_compare [i915]] *ERROR* mismatch in dpll_hw_state.wrpll (expected 0xb0210614, found 0x00000000

 

I'm also affected by this bug, when running both glxgears and Gazebo
simulator (or, its graphical client using OpenGL).

Switching to a terminal (Ctrl+Alt+F1) and back unfreezes the screen for
a while. The screen only looks frozen, but normally reacts to mouse and
keyboard events. This only happens if the GL window is displayed on my
primary display (which is handled by the intel integrated chip). The
notebook has 2 video outputs and a discrete AMD graphics, and I think
only one of the outputs is handled by the AMD card, so I think one of
the outputs is handled by the intel card and does not get frozen.

Ubuntu 14.04.3 64bit.

I think that before upgrading from 14.04.2 to 14.04.3 this did not
happen.

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https://bugs.launchpad.net/bugs/1501260

Title:
  drm:intel_pipe_config_compare [i915]] *ERROR* mismatch in
  dpll_hw_state.wrpll (expected 0xb0210614, found 0x00000000

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  While surfing, I clicked on something,, X died, I was thrown back to a console and finally was able to log back in.
  dmesg is cluttered with:
   

  
  [79849.958943] [drm:intel_pipe_config_compare [i915]] *ERROR* mismatch in dpll_hw_state.wrpll (expected 0xb0210614, found 0x00000000)
  [79849.958944] ------------[ cut here ]------------
  [79849.958962] WARNING: CPU: 0 PID: 14689 at /build/linux-1dujk3/linux-4.2.0/drivers/gpu/drm/i915/intel_display.c:12326 check_crtc_state+0x2c5/0x440 [i915]()
  [79849.958963] pipe state doesn't match!
  [79849.958981] Modules linked in: bnep bluetooth binfmt_misc nls_iso8859_1 intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp snd_hda_codec_hdmi coretemp snd_hda_codec_realtek input_leds snd_hda_codec_generic kvm_intel snd_hda_intel kvm snd_hda_codec snd_hda_core snd_hwdep snd_pcm crct10dif_pclmul snd_seq_midi snd_seq_midi_event snd_rawmidi crc32_pclmul ghash_clmulni_intel snd_seq snd_seq_device snd_timer mei_me aesni_intel snd mei aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd soundcore serio_raw 8250_fintek fujitsu_laptop lpc_ich tpm_infineon mac_hid parport_pc ppdev lp parport autofs4 hid_generic usbhid hid i915 psmouse ahci libahci i2c_algo_bit drm_kms_helper e1000e drm ptp pps_core video
  [79849.958983] CPU: 0 PID: 14689 Comm: Xorg Tainted: G        W       4.2.0-11-generic #13-Ubuntu
  [79849.958983] Hardware name: FUJITSU ESPRIMO E920/D3222-A1, BIOS V4.6.5.4 R1.34.0 for D3222-A1x 01/08/2015
  [79849.958985]  ffffffffc0232ab0 ffff88030edef538 ffffffff817b0cc5 0000000000000000
  [79849.958986]  ffff88030edef588 ffff88030edef578 ffffffff81076536 ffff88030edef5a8
  [79849.958986]  ffff88030edef610 ffff88030a600800 0000000000000001 ffff88030a600b50
  [79849.958987] Call Trace:
  [79849.958991]  [<ffffffff817b0cc5>] dump_stack+0x45/0x57
  [79849.958994]  [<ffffffff81076536>] warn_slowpath_common+0x86/0xc0
  [79849.958995]  [<ffffffff810765b6>] warn_slowpath_fmt+0x46/0x50
  [79849.959008]  [<ffffffffc01c5327>] ? intel_pipe_config_compare+0xa67/0xc60 [i915]
  [79849.959015]  [<ffffffffc01c57e5>] check_crtc_state+0x2c5/0x440 [i915]
  [79849.959024]  [<ffffffffc01d92fe>] intel_modeset_check_state+0x20e/0x6b0 [i915]
  [79849.959032]  [<ffffffffc01da4a7>] intel_crtc_set_config+0x4c7/0x580 [i915]
  [79849.959042]  [<ffffffffc0033036>] drm_mode_set_config_internal+0x66/0x100 [drm]
  [79849.959045]  [<ffffffffc00f23b2>] restore_fbdev_mode+0xc2/0xf0 [drm_kms_helper]
  [79849.959048]  [<ffffffffc00f4239>] drm_fb_helper_restore_fbdev_mode_unlocked+0x29/0x70 [drm_kms_helper]
  [79849.959050]  [<ffffffffc00f42a2>] drm_fb_helper_set_par+0x22/0x40 [drm_kms_helper]
  [79849.959060]  [<ffffffffc01e76da>] intel_fbdev_set_par+0x1a/0x60 [i915]
  [79849.959062]  [<ffffffff8109e4ad>] ? ttwu_do_activate.constprop.89+0x5d/0x70
  [79849.959064]  [<ffffffff814262a8>] fb_set_var+0x238/0x460
  [79849.959066]  [<ffffffff81201da7>] ? do_sys_poll+0x127/0x5a0
  [79849.959068]  [<ffffffff8141ca59>] fbcon_blank+0x2e9/0x330
  [79849.959070]  [<ffffffff810a7e13>] ? check_preempt_wakeup+0x193/0x220
  [79849.959071]  [<ffffffff814ad2c3>] do_unblank_screen+0xd3/0x1a0
  [79849.959073]  [<ffffffff814a2adb>] vt_ioctl+0x4fb/0x12c0
  [79849.959074]  [<ffffffff8109f042>] ? default_wake_function+0x12/0x20
  [79849.959076]  [<ffffffff810b60e6>] ? autoremove_wake_function+0x16/0x40
  [79849.959078]  [<ffffffff8149601c>] tty_ioctl+0x3cc/0xbb0
  [79849.959079]  [<ffffffff810b5a88>] ? __wake_up+0x48/0x60
  [79849.959080]  [<ffffffff810d599d>] ? wake_nocb_leader+0x4d/0x50
  [79849.959081]  [<ffffffff810d5a6d>] ? __call_rcu_nocb_enqueue+0xcd/0xd0
  [79849.959083]  [<ffffffff81200075>] do_vfs_ioctl+0x285/0x470
  [79849.959084]  [<ffffffff8120ca04>] ? mntput+0x24/0x40
  [79849.959085]  [<ffffffff811ef040>] ? __fput+0x190/0x220
  [79849.959086]  [<ffffffff812002d9>] SyS_ioctl+0x79/0x90
  [79849.959088]  [<ffffffff817b7532>] entry_SYSCALL_64_fastpath+0x16/0x75
  [79849.959089] ---[ end trace c15f693470bdbc48 ]---
  [79849.959131] [drm:intel_pipe_config_compare [i915]] *ERROR* mismatch in dpll_hw_state.wrpll (expected 0xb0210614, found 0x00000000)
  [79849.959131] ------------[ cut here ]------------

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: linux-image-4.2.0-11-generic 4.2.0-11.13
  ProcVersionSignature: Ubuntu 4.2.0-11.13-generic 4.2.1
  Uname: Linux 4.2.0-11-generic x86_64
  ApportVersion: 2.19-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  hildeb    25581 F.... pulseaudio
   /dev/snd/controlC1:  hildeb    25581 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Wed Sep 30 12:04:59 2015
  HibernationDevice: RESUME=UUID=d5037585-3853-4049-a410-b17d0c104ef3
  InstallationDate: Installed on 2014-06-19 (467 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  MachineType: FUJITSU ESPRIMO E920
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-11-generic.efi.signed root=UUID=e0d7cff3-bbdd-467d-b15b-fb96697320f0 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-11-generic N/A
   linux-backports-modules-4.2.0-11-generic  N/A
   linux-firmware                            1.148
  RfKill:
   
  SourcePackage: linux
  UpgradeStatus: Upgraded to wily on 2015-09-29 (0 days ago)
  dmi.bios.date: 01/08/2015
  dmi.bios.vendor: FUJITSU // American Megatrends Inc.
  dmi.bios.version: V4.6.5.4 R1.34.0 for D3222-A1x
  dmi.board.name: D3222-A1
  dmi.board.vendor: FUJITSU
  dmi.board.version: S26361-D3222-A1
  dmi.chassis.type: 3
  dmi.chassis.vendor: FUJITSU
  dmi.chassis.version: C$BK02
  dmi.modalias: dmi:bvnFUJITSU//AmericanMegatrendsInc.:bvrV4.6.5.4R1.34.0forD3222-A1x:bd01/08/2015:svnFUJITSU:pnESPRIMOE920:pvr:rvnFUJITSU:rnD3222-A1:rvrS26361-D3222-A1:cvnFUJITSU:ct3:cvrC$BK02:
  dmi.product.name: ESPRIMO E920
  dmi.sys.vendor: FUJITSU

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References