[ 74.043054] NET: Registered protocol family 10 [ 104.633025] Console: switching to colour VGA+ 80x25 [ 104.718779] drm_kms_helper: drm: unregistered panic notifier [ 104.834151] ------------[ cut here ]------------ [ 104.889887] WARNING: CPU: 0 PID: 3807 at drivers/gpu/drm/drm_crtc.c:4684 drm_mode_config_cleanup+0x114/0x1a0 [drm]() [ 105.017041] Modules linked in: ipv6 dm_mod dcdbas snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw i2c_i801 iTCO_wdt iTCO_vendor_support lpc_ich mfd_core snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore ppdev tpm_tis parport_pc tpm parport acpi_cpufreq i915(-) video button drm_kms_helper drm [last unloaded: snd_hda_intel] [ 105.402971] CPU: 0 PID: 3807 Comm: rmmod Not tainted 3.14.0_drm-intel-nightly_45912b_20140416+ #1702 [ 105.513334] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02 02/26/2011 [ 105.599532] 00000000 c1696876 00000000 c102c7ff f808e7e0 f5361400 f5361628 f5361594 [ 105.693413] f5361634 c102c81f 00000009 00000000 f808e7e0 f5361400 f5361594 f5361438 [ 105.787297] f53615a0 f81c8194 f4f78000 f5361400 00000000 f4f1c140 f81e60f0 f5361400 [ 105.881178] Call Trace: [ 105.910690] [] ? dump_stack+0x3e/0x4e [ 105.966465] [] ? warn_slowpath_common+0x61/0x74 [ 106.032743] [] ? drm_mode_config_cleanup+0x114/0x1a0 [drm] [ 106.110575] [] ? warn_slowpath_null+0xd/0x10 [ 106.173702] [] ? drm_mode_config_cleanup+0x114/0x1a0 [drm] [ 106.251555] [] ? intel_modeset_cleanup+0xab/0xcb [i915] [ 106.326253] [] ? i915_driver_unload+0xa8/0x24d [i915] [ 106.398835] [] ? drm_dev_unregister+0x18/0x6f [drm] [ 106.469319] [] ? drm_put_dev+0x3b/0x45 [drm] [ 106.532445] [] ? pci_device_remove+0x2d/0x72 [ 106.595576] [] ? __device_release_driver+0x62/0xa4 [ 106.665010] [] ? driver_detach+0x59/0x7b [ 106.723935] [] ? bus_remove_driver+0x50/0x6b [ 106.787063] [] ? pci_unregister_driver+0xd/0x4d [ 106.853341] [] ? drm_pci_exit+0x30/0x74 [drm] [ 106.917516] [] ? SyS_delete_module+0x10a/0x161 [ 106.982740] [] ? __fput+0x178/0x197 [ 107.036412] [] ? sysenter_do_call+0x12/0x22 [ 107.098484] ---[ end trace 1afeaa78e492cda5 ]--- [ 107.156330] ------------[ cut here ]------------ [ 107.212109] WARNING: CPU: 4 PID: 3807 at drivers/gpu/drm/i915/i915_dma.c:1842 i915_driver_unload+0x177/0x24d [i915]() [ 107.340409] Modules linked in: ipv6 dm_mod dcdbas snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic pcspkr serio_raw i2c_i801 iTCO_wdt iTCO_vendor_support lpc_ich mfd_core snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore ppdev tpm_tis parport_pc tpm parport acpi_cpufreq i915(-) video button drm_kms_helper drm [last unloaded: snd_hda_intel] [ 107.726560] CPU: 4 PID: 3807 Comm: rmmod Tainted: G W 3.14.0_drm-intel-nightly_45912b_20140416+ #1702 [ 107.848553] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02 02/26/2011 [ 107.934782] 00000000 c1696876 00000000 c102c7ff f81e61bf f4f78000 f5361400 00000000 [ 108.028755] f5361438 c102c81f 00000009 00000000 f81e61bf f5361400 f5308400 f8206ac8 [ 108.122694] f3bec000 f8089044 f5361400 f5308400 f8206ac8 f80897df f5308464 c12a5097 [ 108.216640] Call Trace: [ 108.246137] [] ? dump_stack+0x3e/0x4e [ 108.301891] [] ? warn_slowpath_common+0x61/0x74 [ 108.368148] [] ? i915_driver_unload+0x177/0x24d [i915] [ 108.441745] [] ? warn_slowpath_null+0xd/0x10 [ 108.504845] [] ? i915_driver_unload+0x177/0x24d [i915] [ 108.578440] [] ? drm_dev_unregister+0x18/0x6f [drm] [ 108.648888] [] ? drm_put_dev+0x3b/0x45 [drm] [ 108.711977] [] ? pci_device_remove+0x2d/0x72 [ 108.775070] [] ? __device_release_driver+0x62/0xa4 [ 108.844459] [] ? driver_detach+0x59/0x7b [ 108.903347] [] ? bus_remove_driver+0x50/0x6b [ 108.966434] [] ? pci_unregister_driver+0xd/0x4d [ 109.032682] [] ? drm_pci_exit+0x30/0x74 [drm] [ 109.096825] [] ? SyS_delete_module+0x10a/0x161 [ 109.162019] [] ? __fput+0x178/0x197 [ 109.215665] [] ? sysenter_do_call+0x12/0x22 [ 109.277712] ---[ end trace 1afeaa78e492cda6 ]--- [ 109.334610] [drm] Module unloaded [ 109.753169] [drm] Initialized drm 1.1.0 20060810 [ 110.061735] [drm] Memory usable by graphics device = 2048M [ 110.134703] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 110.214600] [drm] Driver supports precise vblank timestamp query. [ 110.290998] [drm] Wrong MCH_SSKPD value: 0x16040307 [ 110.349892] [drm] This can cause pipe underruns and display issues. [ 110.425590] [drm] Please upgrade your BIOS to fix this. [ 110.513014] fbcon: inteldrmfb (fb0) is primary device [ 110.555552] Console: switching to colour frame buffer device 160x64 [ 110.695735] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device [ 110.770329] i915 0000:00:02.0: registered panic notifier [ 110.834601] ACPI: Video Device [GFX0] (multi-head: yes rom: no post: no) [ 110.917988] acpi device:02: registered as cooling_device8 [ 110.983292] input: Video Bus as /devices/LNXSYSTM:00/device:00/PNP0A08:00/LNXVIDEO:00/input/input8 [ 111.091742] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0 [ 111.448651] hda_codec: ALC269VB: SKU not ready 0x411111f0 [ 112.261630] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off