[Bug 73985] New: [BYT and probably others] panic on module unload

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Jan 23 09:51:28 PST 2014


https://bugs.freedesktop.org/show_bug.cgi?id=73985

          Priority: medium
            Bug ID: 73985
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [BYT and probably others] panic on module unload
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: jbarnes at virtuousgeek.org
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

[  160.975415] drm_kms_helper: drm: unregistered panic notifier
[  161.001979] [drm:gm45_get_vblank_counter], trying to get vblank count for
disabled pipe B
[  161.002124] ------------[ cut here ]------------
[  161.002138] WARNING: CPU: 0 PID: 2114 at fs/sysfs/group.c:214
sysfs_remove_group+0xb9/0xc0()
[  161.002142] sysfs group c196f8c8 not found for kobject 'i2c-6'
[  161.002145] Modules linked in: coretemp kvm_intel kvm crc32_pclmul
aesni_intel aes_i586 xts lrw gf128mul ablk_helper cryptd hid_sensor_accel_3d
hid_sensor_gyro_3d hid_sensor_magn_3d hid_sensor_trigger
industrialio_triggered_buffer kfifo_buf industrialio hid_sensor_iio_common
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 dm_multipath scsi_dh
asix ppdev usbnet snd_rawmidi mii hid_sensor_hub microcode snd_seq rfcomm bnep
snd_seq_device bluetooth snd_timer snd parport_pc binfmt_misc soundcore
dw_dmac_pci dw_dmac_core mac_hid lp parport dm_mirror dm_region_hash dm_log
hid_generic usbhid hid i915(O-) drm_kms_helper(O) igb dca ptp pps_core
i2c_algo_bit drm(O) ahci libahci video
[  161.002233] CPU: 0 PID: 2114 Comm: rmmod Tainted: G        W  O 3.13.0-rc8+
#2
[  161.002236] Hardware name: NEXCOM VTC1010/Aptio CRB, BIOS 5.6.5 09/24/2013
[  161.002240]  00000000 00000000 dbe0fd0c c164c093 dbe0fd4c dbe0fd3c c10538de
c185b368
[  161.002251]  dbe0fd68 00000842 c185531d 000000d6 c11d6759 c11d6759 00000000
c196f8c8
[  161.002261]  dfa1e0e4 dbe0fd54 c1053933 00000009 dbe0fd4c c185b368 dbe0fd68
dbe0fd7c
[  161.002272] Call Trace:
[  161.002281]  [<c164c093>] dump_stack+0x41/0x52
[  161.002289]  [<c10538de>] warn_slowpath_common+0x7e/0xa0
[  161.002295]  [<c11d6759>] ? sysfs_remove_group+0xb9/0xc0
[  161.002301]  [<c11d6759>] ? sysfs_remove_group+0xb9/0xc0
[  161.002307]  [<c1053933>] warn_slowpath_fmt+0x33/0x40
[  161.002313]  [<c11d6759>] sysfs_remove_group+0xb9/0xc0
[  161.002319]  [<c14122b7>] dpm_sysfs_remove+0x37/0x40
[  161.002326]  [<c1409544>] device_del+0x34/0x170
[  161.002332]  [<c14096a1>] device_unregister+0x21/0x60
[  161.002338]  [<c11d5b16>] ? sysfs_remove_link+0x16/0x30
[  161.002344]  [<c140dd62>] ? class_compat_remove_link+0x42/0x50
[  161.002351]  [<c14f972d>] i2c_del_adapter+0x1ad/0x2c0
[  161.002356]  [<c14f8090>] ? i2c_do_del_adapter+0xe0/0xe0
[  161.002364]  [<c115edbd>] ? kfree+0xcd/0x100
[  161.002409]  [<f84b595d>] intel_dp_encoder_destroy+0x1d/0x70 [i915]
[  161.002437]  [<f89ab43a>] drm_mode_config_cleanup+0x3a/0x210 [drm]
[  161.002476]  [<f84aa4ff>] intel_modeset_cleanup+0xbf/0xd0 [i915]
[  161.002504]  [<f84741f6>] i915_driver_unload+0x246/0x2f0 [i915]
[  161.002530]  [<f89a5443>] drm_dev_unregister+0x23/0x90 [drm]
[  161.002553]  [<f89a54ed>] drm_put_dev+0x3d/0x70 [drm]
[  161.002584]  [<f8470615>] i915_pci_remove+0x15/0x20 [i915]
[  161.002591]  [<c1338a6f>] pci_device_remove+0x2f/0xa0
[  161.002599]  [<c140c871>] __device_release_driver+0x61/0xc0
[  161.002606]  [<c140d12f>] driver_detach+0x8f/0xa0
[  161.002615]  [<c140c54f>] bus_remove_driver+0x4f/0xc0
[  161.002623]  [<c140d708>] driver_unregister+0x28/0x60
[  161.002629]  [<c10cee42>] ? stop_cpus+0x32/0x40
[  161.002636]  [<c10bd510>] ? module_refcount+0x90/0x90
[  161.002643]  [<c13378c5>] pci_unregister_driver+0x15/0x60
[  161.002669]  [<f89a739f>] drm_pci_exit+0x9f/0xb0 [drm]
[  161.002710]  [<f84e624a>] i915_exit+0x1b/0x1d [i915]
[  161.002716]  [<c10bf8a8>] SyS_delete_module+0x158/0x1f0
[  161.002724]  [<c1173d5d>] ? ____fput+0xd/0x10
[  161.002730]  [<c106f0fe>] ? task_work_run+0x7e/0xb0
[  161.002737]  [<c165a68d>] sysenter_do_call+0x12/0x28
[  161.002742] ---[ end trace 4481aff8e92a409c ]---
[  161.002792] [drm:intel_crtc_cursor_set], cursor off
[  161.002798] [drm:intel_crtc_cursor_set], cursor off
[  161.002860] ------------[ cut here ]------------
[  161.002869] Kernel BUG at f84861f8 [verbose debug info unavailable]
[  161.002875] invalid opcode: 0000 [#1] SMP 
[  161.002882] Modules linked in: coretemp kvm_intel kvm crc32_pclmul
aesni_intel aes_i586 xts lrw gf128mul ablk_helper cryptd hid_sensor_accel_3d
hid_sensor_gyro_3d hid_sensor_magn_3d hid_sensor_trigger
industrialio_triggered_buffer kfifo_buf industrialio hid_sensor_iio_common
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 dm_multipath scsi_dh
asix ppdev usbnet snd_rawmidi mii hid_sensor_hub microcode snd_seq rfcomm bnep
snd_seq_device bluetooth snd_timer snd parport_pc binfmt_misc soundcore
dw_dmac_pci dw_dmac_core mac_hid lp parport dm_mirror dm_region_hash dm_log
hid_generic usbhid hid i915(O-) drm_kms_helper(O) igb dca ptp pps_core
i2c_algo_bit drm(O) ahci libahci video
[  161.002991] CPU: 0 PID: 2114 Comm: rmmod Tainted: G        W  O 3.13.0-rc8+
#2
[  161.002997] Hardware name: NEXCOM VTC1010/Aptio CRB, BIOS 5.6.5 09/24/2013
[  161.003004] task: dbdd6800 ti: dbe0e000 task.ti: dbe0e000
[  161.003010] EIP: 0060:[<f84861f8>] EFLAGS: 00010246 CPU: 0
[  161.003044] EIP is at i915_gem_object_ggtt_unpin+0x88/0x90 [i915]
[  161.003050] EAX: dfce3840 EBX: 00000000 ECX: dfafd690 EDX: dfce3874
[  161.003056] ESI: c0086b40 EDI: df962e00 EBP: dbe0fe1c ESP: dbe0fe0c
[  161.003062]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[  161.003068] CR0: 8005003b CR2: b7718000 CR3: 1bec0000 CR4: 001007f0
[  161.003076] Stack:
[  161.003081]  00afc014 00000004 c0086b40 dfafc000 dbe0fe38 f8487e5a dfaa5400
c0086b40
[  161.003099]  dfafc000 dfaa5400 dfaa5414 dbe0fe58 f84741aa 00000000 f89c34b9
dfaa5414
[  161.003117]  dfaa5400 dfaa5400 f644b000 dbe0fe6c f89a5443 dfaa5400 f8505000
f644b000
[  161.003134] Call Trace:
[  161.003169]  [<f8487e5a>] i915_gem_context_fini+0xba/0x1c0 [i915]
[  161.003202]  [<f84741aa>] i915_driver_unload+0x1fa/0x2f0 [i915]
[  161.003232]  [<f89a5443>] drm_dev_unregister+0x23/0x90 [drm]
[  161.003259]  [<f89a54ed>] drm_put_dev+0x3d/0x70 [drm]
[  161.003294]  [<f8470615>] i915_pci_remove+0x15/0x20 [i915]
[  161.003306]  [<c1338a6f>] pci_device_remove+0x2f/0xa0
[  161.003317]  [<c140c871>] __device_release_driver+0x61/0xc0
[  161.003328]  [<c140d12f>] driver_detach+0x8f/0xa0
[  161.003341]  [<c140c54f>] bus_remove_driver+0x4f/0xc0
[  161.003353]  [<c140d708>] driver_unregister+0x28/0x60
[  161.003362]  [<c10cee42>] ? stop_cpus+0x32/0x40
[  161.003372]  [<c10bd510>] ? module_refcount+0x90/0x90
[  161.003383]  [<c13378c5>] pci_unregister_driver+0x15/0x60
[  161.003413]  [<f89a739f>] drm_pci_exit+0x9f/0xb0 [drm]
[  161.003458]  [<f84e624a>] i915_exit+0x1b/0x1d [i915]
[  161.003468]  [<c10bf8a8>] SyS_delete_module+0x158/0x1f0
[  161.003480]  [<c1173d5d>] ? ____fput+0xd/0x10
[  161.003488]  [<c106f0fe>] ? task_work_run+0x7e/0xb0
[  161.003499]  [<c165a68d>] sysenter_do_call+0x12/0x28
[  161.003505] Code: 0f b6 4d f3 8d 51 0f 83 e1 f0 83 e2 0f 09 d1 84 d2 88 48
54 75 07 80 a7 91 00 00 00 7f 83 c4 04 5b 5e 5f 5d c3 8d b6 00 00 00 00 <0f> 0b
8d b6 00 00 00 00 55 89 e5 57 56 53 83 ec 64 3e 8d 74 26
[  161.003586] EIP: [<f84861f8>] i915_gem_object_ggtt_unpin+0x88/0x90 [i915]
SS:ESP 0068:dbe0fe0c
[  161.003626] ---[ end trace 4481aff8e92a409d ]---

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