[Intel-gfx] BUG: Kernel warning of 830M chipset graphics
Thomas Richter
thor at math.tu-berlin.de
Sat Aug 31 17:49:01 CEST 2013
Dear intel-gfx developers,
when booting up the 3.10.9 kernel on a Fujitsu-Siemens S4575, I get the
following warnings from the linux kernel (see below). The hardware is a
00:02.0 VGA compatible controller: Intel Corporation 82830M/MG
Integrated Graphics Controller (rev 04)
with the dreadful ns2501 DVO. If you remember, this DVO has a special
"condition" that it does not react on the i2c bus if the graphic
pipelines are not configured correctly. Probably this is related to the
warning below. Other than the warning, the system works correctly (minus
panning, minus suspend).
[ 6.938862] Modules linked in: pcmcia(+) snd_seq i915(+)
firewire_ohci firewire_core snd_seq_device snd_timer crc_itu_t lpc_ich
i2c_algo_bit yenta_socket mfd_core intel_agp pcmcia_rsrc snd psmouse sg
8139too 8139cp serio_raw sr_mod fujitsu_laptop apanel pcspkr mii
input_polldev evdev cdrom pcmcia_core uhci_hcd intel_gtt drm_kms_helper
drm soundcore usbcore rng_core i2c_i801 agpgart led_class video
usb_common i2c_core ac button
[ 6.938930] CPU: 0 PID: 218 Comm: modprobe Tainted: G W
3.10.9 #6
[ 6.938937] Hardware name: FUJITSU SIEMENS LIFEBOOK S Series/FJNB159,
BIOS Version 1.06 07/02/2002
[ 6.938944] c12e5228 c102dcca f8628630 f5b5ba28 00000f57 f85f08d4
f85f08d4 f50eac00
[ 6.938961] f5be9a60 f5a4c780 00000f57 c102dd83 00000009 f5b5ba10
f8628630 f5b5ba28
[ 6.938978] f85f08d4 f86277a4 00000f57 f8628630 f862eb50 00000008
f8293d80 c13e5120
[ 6.938995] Call Trace:
[ 6.939007] [<c12e5228>] ? dump_stack+0xa/0x13
[ 6.939019] [<c102dcca>] ? warn_slowpath_common+0x6a/0x90
[ 6.939085] [<f85f08d4>] ? intel_modeset_check_state+0x734/0x780 [i915]
[ 6.939149] [<f85f08d4>] ? intel_modeset_check_state+0x734/0x780 [i915]
[ 6.939162] [<c102dd83>] ? warn_slowpath_fmt+0x33/0x40
[ 6.939226] [<f85f08d4>] ? intel_modeset_check_state+0x734/0x780 [i915]
[ 6.939241] [<c1052fa7>] ? check_preempt_wakeup+0x157/0x1e0
[ 6.939255] [<c104fa0c>] ? check_preempt_curr+0x6c/0x80
[ 6.939267] [<c1038c60>] ? usleep_range+0x40/0x40
[ 6.939279] [<c1038e5c>] ? call_timer_fn.isra.34+0x1c/0x80
[ 6.939292] [<f8041053>] ? sclhi+0x43/0x60 [i2c_algo_bit]
[ 6.939304] [<c117171f>] ? __udelay+0x1f/0x20
[ 6.939373] [<f860c9c8>] ? intel_gpio_post_xfer+0x28/0x40 [i915]
[ 6.939386] [<c1038c60>] ? usleep_range+0x40/0x40
[ 6.939397] [<c1038fe4>] ? run_timer_softirq+0x124/0x1c0
[ 6.939409] [<c10346de>] ? __do_softirq+0xee/0x150
[ 6.939421] [<c1002ed3>] ? do_IRQ+0x43/0xb0
[ 6.939432] [<c12e850c>] ? common_interrupt+0x2c/0x31
[ 6.939494] [<f85e7476>] ? assert_pipe+0x96/0xf0 [i915]
[ 6.939556] [<f85e70c0>] ? intel_wait_for_pipe_off+0x110/0x1a0 [i915]
[ 6.939619] [<f85e7a47>] ? i9xx_crtc_disable+0x177/0x220 [i915]
[ 6.939687] [<f86054bc>] ? i830_update_wm+0x1c/0xd0 [i915]
[ 6.939757] [<f8609c52>] ? intel_update_watermarks+0x12/0x20 [i915]
[ 6.939821] [<f85f3313>] ? intel_modeset_setup_hw_state+0x683/0xa50
[i915]
[ 6.939873] [<f85c5a70>] ? i915_semaphore_is_enabled+0x30/0x30 [i915]
[ 6.939925] [<f85c971b>] ? i915_driver_load+0xbbb/0xe30 [i915]
[ 6.939975] [<f85c6d40>] ? i915_dma_init+0x2d0/0x2d0 [i915]
[ 6.940007] [<f82766d1>] ? drm_get_pci_dev+0x141/0x260 [drm]
[ 6.940050] [<c11fff90>] ? driver_probe_device+0x1f0/0x1f0
[ 6.940064] [<c118decd>] ? pci_device_probe+0x7d/0xc0
[ 6.940075] [<c11fff90>] ? driver_probe_device+0x1f0/0x1f0
[ 6.940086] [<c11ffdf3>] ? driver_probe_device+0x53/0x1f0
[ 6.940097] [<c116a6dd>] ? kobject_add_internal+0x6d/0x1f0
[ 6.940108] [<c1200009>] ? __driver_attach+0x79/0x80
[ 6.940119] [<c11fe738>] ? bus_for_each_dev+0x38/0x70
[ 6.940130] [<c11ff9d6>] ? driver_attach+0x16/0x20
[ 6.940141] [<c11fff90>] ? driver_probe_device+0x1f0/0x1f0
[ 6.940151] [<c11ff609>] ? bus_add_driver+0xc9/0x210
[ 6.940162] [<c118dd30>] ? pci_device_remove+0xb0/0xb0
[ 6.940173] [<c118dd30>] ? pci_device_remove+0xb0/0xb0
[ 6.940184] [<c118dc80>] ? pci_match_id+0x90/0x90
[ 6.940194] [<c1200563>] ? driver_register+0x63/0x160
[ 6.940208] [<f81ab000>] ? 0xf81aafff
[ 6.940218] [<c10001c2>] ? do_one_initcall+0xe2/0x140
[ 6.940230] [<c104ccfb>] ? __blocking_notifier_call_chain+0x4b/0x70
[ 6.940244] [<c1070cf3>] ? load_module+0x19d3/0x2220
[ 6.940255] [<f7ffe000>] ? 0xf7ffdfff
[ 6.940270] [<c10274f0>] ? vmalloc_sync_all+0xd0/0xd0
[ 6.940283] [<c10715d1>] ? SyS_init_module+0x91/0xd0
[ 6.940299] [<c12e809e>] ? sysenter_do_call+0x12/0x26
[ 6.940307] ---[ end trace 0e5983c19538fe53 ]---
[ 6.940313] ------------[ cut here ]------------
[ 6.940377] WARNING: at drivers/gpu/drm/i915/intel_display.c:3929
intel_modeset_check_state+0x711/0x780 [i915]()
[ 6.940383] encoder->connectors_active not set
[ 6.940388] Modules linked in: pcmcia(+) snd_seq i915(+)
firewire_ohci firewire_core snd_seq_device snd_timer crc_itu_t lpc_ich
i2c_algo_bit yenta_socket mfd_core intel_agp pcmcia_rsrc snd psmouse sg
8139too 8139cp serio_raw sr_mod fujitsu_laptop apanel pcspkr mii
input_polldev evdev cdrom pcmcia_core uhci_hcd intel_gtt drm_kms_helper
drm soundcore usbcore rng_core i2c_i801 agpgart led_class video
usb_common i2c_core ac button
[ 6.940458] CPU: 0 PID: 218 Comm: modprobe Tainted: G W
3.10.9 #6
[ 6.940466] Hardware name: FUJITSU SIEMENS LIFEBOOK S Series/FJNB159,
BIOS Version 1.06 07/02/2002
[ 6.940472] c12e5228 c102dcca f8628658 f5b5ba28 00000f59 f85f08b1
f85f08b1 f50eac00
[ 6.940489] f5be9a60 f5a4c780 00000f57 c102dd83 00000009 f5b5ba10
f8628658 f5b5ba28
[ 6.940506] f85f08b1 f86277a4 00000f59 f8628658 f862eb50 00000008
f8293d80 c13e5120
[ 6.940523] Call Trace:
[ 6.940535] [<c12e5228>] ? dump_stack+0xa/0x13
[ 6.940547] [<c102dcca>] ? warn_slowpath_common+0x6a/0x90
[ 6.940612] [<f85f08b1>] ? intel_modeset_check_state+0x711/0x780 [i915]
[ 6.940676] [<f85f08b1>] ? intel_modeset_check_state+0x711/0x780 [i915]
[ 6.940689] [<c102dd83>] ? warn_slowpath_fmt+0x33/0x40
[ 6.940754] [<f85f08b1>] ? intel_modeset_check_state+0x711/0x780 [i915]
[ 6.940769] [<c1052fa7>] ? check_preempt_wakeup+0x157/0x1e0
[ 6.940782] [<c104fa0c>] ? check_preempt_curr+0x6c/0x80
[ 6.940795] [<c1038c60>] ? usleep_range+0x40/0x40
[ 6.940806] [<c1038e5c>] ? call_timer_fn.isra.34+0x1c/0x80
[ 6.940819] [<f8041053>] ? sclhi+0x43/0x60 [i2c_algo_bit]
[ 6.940831] [<c117171f>] ? __udelay+0x1f/0x20
[ 6.940900] [<f860c9c8>] ? intel_gpio_post_xfer+0x28/0x40 [i915]
[ 6.940912] [<c1038c60>] ? usleep_range+0x40/0x40
[ 6.940924] [<c1038fe4>] ? run_timer_softirq+0x124/0x1c0
[ 6.940936] [<c10346de>] ? __do_softirq+0xee/0x150
[ 6.940948] [<c1002ed3>] ? do_IRQ+0x43/0xb0
[ 6.940959] [<c12e850c>] ? common_interrupt+0x2c/0x31
[ 6.941021] [<f85e7476>] ? assert_pipe+0x96/0xf0 [i915]
[ 6.941083] [<f85e70c0>] ? intel_wait_for_pipe_off+0x110/0x1a0 [i915]
[ 6.941146] [<f85e7a47>] ? i9xx_crtc_disable+0x177/0x220 [i915]
[ 6.941214] [<f86054bc>] ? i830_update_wm+0x1c/0xd0 [i915]
[ 6.941284] [<f8609c52>] ? intel_update_watermarks+0x12/0x20 [i915]
[ 6.941348] [<f85f3313>] ? intel_modeset_setup_hw_state+0x683/0xa50
[i915]
[ 6.941400] [<f85c5a70>] ? i915_semaphore_is_enabled+0x30/0x30 [i915]
[ 6.941452] [<f85c971b>] ? i915_driver_load+0xbbb/0xe30 [i915]
[ 6.941502] [<f85c6d40>] ? i915_dma_init+0x2d0/0x2d0 [i915]
[ 6.941534] [<f82766d1>] ? drm_get_pci_dev+0x141/0x260 [drm]
[ 6.941549] [<c11fff90>] ? driver_probe_device+0x1f0/0x1f0
[ 6.941561] [<c118decd>] ? pci_device_probe+0x7d/0xc0
[ 6.941572] [<c11fff90>] ? driver_probe_device+0x1f0/0x1f0
[ 6.941583] [<c11ffdf3>] ? driver_probe_device+0x53/0x1f0
[ 6.941594] [<c116a6dd>] ? kobject_add_internal+0x6d/0x1f0
[ 6.941606] [<c1200009>] ? __driver_attach+0x79/0x80
[ 6.941617] [<c11fe738>] ? bus_for_each_dev+0x38/0x70
[ 6.941628] [<c11ff9d6>] ? driver_attach+0x16/0x20
[ 6.941638] [<c11fff90>] ? driver_probe_device+0x1f0/0x1f0
[ 6.941649] [<c11ff609>] ? bus_add_driver+0xc9/0x210
[ 6.941660] [<c118dd30>] ? pci_device_remove+0xb0/0xb0
[ 6.941671] [<c118dd30>] ? pci_device_remove+0xb0/0xb0
[ 6.941682] [<c118dc80>] ? pci_match_id+0x90/0x90
[ 6.941692] [<c1200563>] ? driver_register+0x63/0x160
[ 6.941706] [<f81ab000>] ? 0xf81aafff
[ 6.941717] [<c10001c2>] ? do_one_initcall+0xe2/0x140
[ 6.941728] [<c104ccfb>] ? __blocking_notifier_call_chain+0x4b/0x70
[ 6.941742] [<c1070cf3>] ? load_module+0x19d3/0x2220
[ 6.941753] [<f7ffe000>] ? 0xf7ffdfff
[ 6.941768] [<c10274f0>] ? vmalloc_sync_all+0xd0/0xd0
[ 6.941781] [<c10715d1>] ? SyS_init_module+0x91/0xd0
[ 6.941797] [<c12e809e>] ? sysenter_do_call+0x12/0x26
[ 6.941805] ---[ end trace 0e5983c19538fe54 ]---
[ 6.941876] WARNING: at drivers/gpu/drm/i915/intel_display.c:3932
intel_modeset_check_state+0x6ee/0x780 [i915]()
[ 6.941882] encoder not enabled
[ 6.941886] Modules linked in: pcmcia(+) snd_seq i915(+)
firewire_ohci firewire_core snd_seq_device snd_timer crc_itu_t lpc_ich
i2c_algo_bit yenta_socket mfd_core intel_agp pcmcia_rsrc snd psmouse sg
8139too 8139cp serio_raw sr_mod fujitsu_laptop apanel pcspkr mii
input_polldev evdev cdrom pcmcia_core uhci_hcd intel_gtt drm_kms_helper
drm soundcore usbcore rng_core i2c_i801 agpgart led_class video
usb_common i2c_core ac button
[ 6.941957] CPU: 0 PID: 218 Comm: modprobe Tainted: G W
3.10.9 #6
[ 6.941964] Hardware name: FUJITSU SIEMENS LIFEBOOK S Series/FJNB159,
BIOS Version 1.06 07/02/2002
[ 6.941970] c12e5228 c102dcca f862eb7f f5b5ba28 00000f5c f85f088e
f85f088e f50eac00
[ 6.941988] f5be9a60 f5a4c780 00000f57 c102dd83 00000009 f5b5ba10
f862eb7f f5b5ba28
[ 6.942004] f85f088e f86277a4 00000f5c f862eb7f f862eb50 00000008
f8293d80 c13e5120
[ 6.942021] Call Trace:
[ 6.942033] [<c12e5228>] ? dump_stack+0xa/0x13
[ 6.942045] [<c102dcca>] ? warn_slowpath_common+0x6a/0x90
[ 6.942110] [<f85f088e>] ? intel_modeset_check_state+0x6ee/0x780 [i915]
[ 6.942175] [<f85f088e>] ? intel_modeset_check_state+0x6ee/0x780 [i915]
[ 6.942187] [<c102dd83>] ? warn_slowpath_fmt+0x33/0x40
[ 6.942252] [<f85f088e>] ? intel_modeset_check_state+0x6ee/0x780 [i915]
[ 6.942267] [<c1052fa7>] ? check_preempt_wakeup+0x157/0x1e0
[ 6.942280] [<c104fa0c>] ? check_preempt_curr+0x6c/0x80
[ 6.942293] [<c1038c60>] ? usleep_range+0x40/0x40
[ 6.942305] [<c1038e5c>] ? call_timer_fn.isra.34+0x1c/0x80
[ 6.942317] [<f8041053>] ? sclhi+0x43/0x60 [i2c_algo_bit]
[ 6.942329] [<c117171f>] ? __udelay+0x1f/0x20
[ 6.942398] [<f860c9c8>] ? intel_gpio_post_xfer+0x28/0x40 [i915]
[ 6.942411] [<c1038c60>] ? usleep_range+0x40/0x40
[ 6.942422] [<c1038fe4>] ? run_timer_softirq+0x124/0x1c0
[ 6.942434] [<c10346de>] ? __do_softirq+0xee/0x150
[ 6.942446] [<c1002ed3>] ? do_IRQ+0x43/0xb0
[ 6.942457] [<c12e850c>] ? common_interrupt+0x2c/0x31
[ 6.942519] [<f85e7476>] ? assert_pipe+0x96/0xf0 [i915]
[ 6.942581] [<f85e70c0>] ? intel_wait_for_pipe_off+0x110/0x1a0 [i915]
[ 6.942644] [<f85e7a47>] ? i9xx_crtc_disable+0x177/0x220 [i915]
[ 6.942712] [<f86054bc>] ? i830_update_wm+0x1c/0xd0 [i915]
[ 6.942782] [<f8609c52>] ? intel_update_watermarks+0x12/0x20 [i915]
[ 6.942846] [<f85f3313>] ? intel_modeset_setup_hw_state+0x683/0xa50
[i915]
[ 6.942898] [<f85c5a70>] ? i915_semaphore_is_enabled+0x30/0x30 [i915]
[ 6.942950] [<f85c971b>] ? i915_driver_load+0xbbb/0xe30 [i915]
[ 6.943001] [<f85c6d40>] ? i915_dma_init+0x2d0/0x2d0 [i915]
[ 6.943032] [<f82766d1>] ? drm_get_pci_dev+0x141/0x260 [drm]
[ 6.943047] [<c11fff90>] ? driver_probe_device+0x1f0/0x1f0
[ 6.943059] [<c118decd>] ? pci_device_probe+0x7d/0xc0
[ 6.943070] [<c11fff90>] ? driver_probe_device+0x1f0/0x1f0
[ 6.943081] [<c11ffdf3>] ? driver_probe_device+0x53/0x1f0
[ 6.943092] [<c116a6dd>] ? kobject_add_internal+0x6d/0x1f0
[ 6.943103] [<c1200009>] ? __driver_attach+0x79/0x80
[ 6.943115] [<c11fe738>] ? bus_for_each_dev+0x38/0x70
[ 6.943125] [<c11ff9d6>] ? driver_attach+0x16/0x20
[ 6.943136] [<c11fff90>] ? driver_probe_device+0x1f0/0x1f0
[ 6.943147] [<c11ff609>] ? bus_add_driver+0xc9/0x210
[ 6.943158] [<c118dd30>] ? pci_device_remove+0xb0/0xb0
[ 6.943169] [<c118dd30>] ? pci_device_remove+0xb0/0xb0
[ 6.943179] [<c118dc80>] ? pci_match_id+0x90/0x90
[ 6.943190] [<c1200563>] ? driver_register+0x63/0x160
[ 6.943203] [<f81ab000>] ? 0xf81aafff
[ 6.943214] [<c10001c2>] ? do_one_initcall+0xe2/0x140
[ 6.943227] [<c104ccfb>] ? __blocking_notifier_call_chain+0x4b/0x70
[ 6.943240] [<c1070cf3>] ? load_module+0x19d3/0x2220
[ 6.943251] [<f7ffe000>] ? 0xf7ffdfff
[ 6.943266] [<c10274f0>] ? vmalloc_sync_all+0xd0/0xd0
[ 6.943279] [<c10715d1>] ? SyS_init_module+0x91/0xd0
[ 6.943295] [<c12e809e>] ? sysenter_do_call+0x12/0x26
[ 6.943303] ---[ end trace 0e5983c19538fe55 ]---
[ 6.943309] ------------[ cut here ]------------
[ 6.943373] WARNING: at drivers/gpu/drm/i915/intel_display.c:3933
intel_modeset_check_state+0x6cb/0x780 [i915]()
[ 6.943378] Modules linked in: pcmcia(+) snd_seq i915(+)
firewire_ohci firewire_core snd_seq_device snd_timer crc_itu_t lpc_ich
i2c_algo_bit yenta_socket mfd_core intel_agp pcmcia_rsrc snd psmouse sg
8139too 8139cp serio_raw sr_mod fujitsu_laptop apanel pcspkr mii
input_polldev evdev cdrom pcmcia_core uhci_hcd intel_gtt drm_kms_helper
drm soundcore usbcore rng_core i2c_i801 agpgart led_class video
usb_common i2c_core ac button
[ 6.943449] CPU: 0 PID: 218 Comm: modprobe Tainted: G W
3.10.9 #6
[ 6.943456] Hardware name: FUJITSU SIEMENS LIFEBOOK S Series/FJNB159,
BIOS Version 1.06 07/02/2002
[ 6.943462] c12e5228 c102dcca c136b447 f86277a4 00000f5d f85f086b
f85f086b f50eac00
[ 6.943479] f5be9a60 00000000 00000f57 c102dd09 00000009 00000000
f85f086b f86277a4
[ 6.943496] 00000f5c f862eb7f f862eb50 00000008 f8293d80 c13e5120
00000286 00000002
[ 6.943512] Call Trace:
[ 6.943524] [<c12e5228>] ? dump_stack+0xa/0x13
[ 6.943537] [<c102dcca>] ? warn_slowpath_common+0x6a/0x90
[ 6.943601] [<f85f086b>] ? intel_modeset_check_state+0x6cb/0x780 [i915]
[ 6.943666] [<f85f086b>] ? intel_modeset_check_state+0x6cb/0x780 [i915]
[ 6.943679] [<c102dd09>] ? warn_slowpath_null+0x19/0x20
[ 6.943742] [<f85f086b>] ? intel_modeset_check_state+0x6cb/0x780 [i915]
[ 6.943758] [<c1052fa7>] ? check_preempt_wakeup+0x157/0x1e0
[ 6.943771] [<c104fa0c>] ? check_preempt_curr+0x6c/0x80
[ 6.943783] [<c1038c60>] ? usleep_range+0x40/0x40
[ 6.943795] [<c1038e5c>] ? call_timer_fn.isra.34+0x1c/0x80
[ 6.943808] [<f8041053>] ? sclhi+0x43/0x60 [i2c_algo_bit]
[ 6.943820] [<c117171f>] ? __udelay+0x1f/0x20
[ 6.943889] [<f860c9c8>] ? intel_gpio_post_xfer+0x28/0x40 [i915]
[ 6.943901] [<c1038c60>] ? usleep_range+0x40/0x40
[ 6.943913] [<c1038fe4>] ? run_timer_softirq+0x124/0x1c0
[ 6.943925] [<c10346de>] ? __do_softirq+0xee/0x150
[ 6.943936] [<c1002ed3>] ? do_IRQ+0x43/0xb0
[ 6.943947] [<c12e850c>] ? common_interrupt+0x2c/0x31
[ 6.944010] [<f85e7476>] ? assert_pipe+0x96/0xf0 [i915]
[ 6.944098] [<f85e70c0>] ? intel_wait_for_pipe_off+0x110/0x1a0 [i915]
[ 6.944161] [<f85e7a47>] ? i9xx_crtc_disable+0x177/0x220 [i915]
[ 6.944229] [<f86054bc>] ? i830_update_wm+0x1c/0xd0 [i915]
[ 6.944299] [<f8609c52>] ? intel_update_watermarks+0x12/0x20 [i915]
[ 6.944364] [<f85f3313>] ? intel_modeset_setup_hw_state+0x683/0xa50
[i915]
[ 6.944416] [<f85c5a70>] ? i915_semaphore_is_enabled+0x30/0x30 [i915]
[ 6.944467] [<f85c971b>] ? i915_driver_load+0xbbb/0xe30 [i915]
[ 6.944518] [<f85c6d40>] ? i915_dma_init+0x2d0/0x2d0 [i915]
[ 6.944549] [<f82766d1>] ? drm_get_pci_dev+0x141/0x260 [drm]
[ 6.944564] [<c11fff90>] ? driver_probe_device+0x1f0/0x1f0
[ 6.944576] [<c118decd>] ? pci_device_probe+0x7d/0xc0
[ 6.944588] [<c11fff90>] ? driver_probe_device+0x1f0/0x1f0
[ 6.944599] [<c11ffdf3>] ? driver_probe_device+0x53/0x1f0
[ 6.944610] [<c116a6dd>] ? kobject_add_internal+0x6d/0x1f0
[ 6.944621] [<c1200009>] ? __driver_attach+0x79/0x80
[ 6.944632] [<c11fe738>] ? bus_for_each_dev+0x38/0x70
[ 6.944643] [<c11ff9d6>] ? driver_attach+0x16/0x20
[ 6.944653] [<c11fff90>] ? driver_probe_device+0x1f0/0x1f0
[ 6.944664] [<c11ff609>] ? bus_add_driver+0xc9/0x210
[ 6.944675] [<c118dd30>] ? pci_device_remove+0xb0/0xb0
[ 6.944686] [<c118dd30>] ? pci_device_remove+0xb0/0xb0
[ 6.944696] [<c118dc80>] ? pci_match_id+0x90/0x90
[ 6.944707] [<c1200563>] ? driver_register+0x63/0x160
[ 6.944720] [<f81ab000>] ? 0xf81aafff
[ 6.944731] [<c10001c2>] ? do_one_initcall+0xe2/0x140
[ 6.944743] [<c104ccfb>] ? __blocking_notifier_call_chain+0x4b/0x70
[ 6.944757] [<c1070cf3>] ? load_module+0x19d3/0x2220
[ 6.944768] [<f7ffe000>] ? 0xf7ffdfff
[ 6.944783] [<c10274f0>] ? vmalloc_sync_all+0xd0/0xd0
[ 6.944796] [<c10715d1>] ? SyS_init_module+0x91/0xd0
[ 6.944812] [<c12e809e>] ? sysenter_do_call+0x12/0x26
[ 6.944820] ---[ end trace 0e5983c19538fe56 ]---
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