*** This bug is a duplicate of bug 76294 ***
Happens as well in 2.6.20-[45]-{generic,lowlatency}.
This bug doesn't seem to crash the system for me; it just spews messy
bugs into dmesg and makes Xorg not want to load (I'm using the Via
driver). I removed linux-restricted-modules for the kernel I'm using to
get rid of the driver after trying to reboot like 10 times.
My syslog segment for this is below.
Jan 14 12:49:20 localhost kernel: [ 58.364501] ath_rate_sample: 1.2 (0.9.2.1)
Jan 14 12:49:20 localhost kernel: [ 58.382930] ath_pci: 0.9.4.5 (0.9.2.1)
Jan 14 12:49:20 localhost kernel: [ 58.382992] ACPI: PCI Interrupt
0000:00:0b.0[A] -> GSI 19 (level, low) -> IRQ 19
Jan 14 12:49:20 localhost kernel: [ 58.383036] wifi%%d: unable to attach
hardware: '' (HAL status 4172484335)
Jan 14 12:49:20 localhost kernel: [ 58.383056] ACPI: PCI interrupt for device
0000:00:0b.0 disabled
Jan 14 12:49:20 localhost kernel: [ 58.434478] sr0: scsi3-mmc drive: 1x/48x
writer cd/rw xa/form2 cdda tray
Jan 14 12:49:20 localhost kernel: [ 58.434486] Uniform CD-ROM driver
Revision: 3.20
Jan 14 12:49:20 localhost kernel: [ 58.435892] sr 3:0:0:0: Attached scsi
CD-ROM sr0
Jan 14 12:49:20 localhost kernel: [ 58.694974] ACPI: PCI Interrupt
0000:00:09.0[A] -> GSI 17 (level, low) -> IRQ 20
Jan 14 12:49:20 localhost kernel: [ 58.861941] ACPI: PCI Interrupt Link
[ALKC] BIOS reported IRQ 0, using IRQ 22
Jan 14 12:49:20 localhost kernel: [ 58.861948] ACPI: PCI Interrupt Link
[ALKC] enabled at IRQ 22
Jan 14 12:49:20 localhost kernel: [ 58.861957] ACPI: PCI Interrupt
0000:00:11.5[C] -> Link [ALKC] -> GSI 22 (level, low) -> IRQ 21
Jan 14 12:49:20 localhost kernel: [ 58.862103] BUG: unable to handle kernel
NULL pointer dereference at virtual address 00000025
Jan 14 12:49:20 localhost kernel: [ 58.862106] printing eip:
Jan 14 12:49:20 localhost kernel: [ 58.862108] c01fa52f
Jan 14 12:49:20 localhost kernel: [ 58.862109] *pde = 00000000
Jan 14 12:49:20 localhost kernel: [ 58.862113] Oops: 0000 [#1]
Jan 14 12:49:20 localhost kernel: [ 58.862114] PREEMPT SMP
Jan 14 12:49:20 localhost kernel: [ 58.862117] Modules linked in: snd_via82xx
gameport snd_mpu401_uart snd_seq_dummy snd_seq_oss snd_emu10k1 snd_ac97_codec
ac97_bus snd_pcm_oss snd_mixer_oss snd_seq_midi snd_rawmidi snd_seq_midi_event
snd_seq snd_pcm snd_seq_device snd_timer snd_page_alloc snd_util_mem sr_mod
cdrom k8temp ath_pci ath_rate_sample snd_hwdep amd64_agp snd psmouse i2c_viapro
serio_raw i2c_core wlan shpchp pci_hotplug pcspkr 8139cp soundcore agpgart
generic ath_hal(P) evdev ipv6 ata_generic ext3 jbd mbcache sg sd_mod 8139too
mii ehci_hcd uhci_hcd usbcore pata_via sata_via libata scsi_mod ohci1394
ieee1394 raid10 raid456 xor raid1 raid0 multipath linear md_mod thermal
processor fan fbcon tileblit font bitblit softcursor vesafb capability commoncap
Jan 14 12:49:20 localhost kernel: [ 58.862168] CPU: 0
Jan 14 12:49:20 localhost kernel: [ 58.862169] EIP:
0060:[pci_get_subsys+79/240] Tainted: P VLI
Jan 14 12:49:20 localhost kernel: [ 58.862170] EFLAGS: 00010213
(2.6.20-4-lowlatency #2)
Jan 14 12:49:20 localhost kernel: [ 58.862179] EIP is at
pci_get_subsys+0x4f/0xf0
Jan 14 12:49:20 localhost kernel: [ 58.862182] eax: 0000168c ebx: 00001106
ecx: 00000001 edx: 00000001
Jan 14 12:49:20 localhost kernel: [ 58.862186] esi: 00003068 edi: ffffffff
ebp: 00000000 esp: f7d91d40
Jan 14 12:49:20 localhost kernel: [ 58.862188] ds: 007b es: 007b ss: 0068
Jan 14 12:49:20 localhost kernel: [ 58.862191] Process modprobe (pid: 5578,
ti=f7d90000 task=f7c47570 task.ti=f7d90000)
Jan 14 12:49:20 localhost kernel: [ 58.862194] Stack: 00000213 c02ec665
c01f49c3 00000001 fffbf940 f4c89400 f7d91d83 f4c89400
Jan 14 12:49:20 localhost kernel: [ 58.862201] c01fa5e8 ffffffff
00000000 f8cac3c2 f7d91d83 00000080 f8cad100 c0152543
Jan 14 12:49:20 localhost kernel: [ 58.862207] 01586480 00000000
00000000 df832000 f4c89400 f8cad58b f69d7e14 f4c89400
Jan 14 12:49:20 localhost kernel: [ 58.862213] Call Trace:
Jan 14 12:49:20 localhost kernel: [ 58.862220]
[_spin_unlock_irqrestore+21/48] _spin_unlock_irqrestore+0x15/0x30
Jan 14 12:49:20 localhost kernel: [ 58.862226]
[pci_bus_read_config_byte+99/128] pci_bus_read_config_byte+0x63/0x80
Jan 14 12:49:20 localhost kernel: [ 58.862243] [pci_get_device+24/32]
pci_get_device+0x18/0x20
Jan 14 12:49:20 localhost kernel: [ 58.862253] [pg0+948106178/1069028352]
snd_via82xx_chip_init+0xe2/0x250 [snd_via82xx]
Jan 14 12:49:20 localhost kernel: [ 58.862266] [pg0+948109568/1069028352]
snd_via8233_interrupt+0x0/0xf0 [snd_via82xx]
Jan 14 12:49:20 localhost kernel: [ 58.862272] [request_irq+163/192]
request_irq+0xa3/0xc0
Jan 14 12:49:20 localhost kernel: [ 58.862291] [pg0+948110731/1069028352]
snd_via82xx_probe+0x24b/0x1030 [snd_via82xx]
Jan 14 12:49:20 localhost kernel: [ 58.862349] [sysfs_make_dirent+28/144]
sysfs_make_dirent+0x1c/0x90
Jan 14 12:49:20 localhost kernel: [ 58.862357] [sysfs_dirent_exist+69/112]
sysfs_dirent_exist+0x45/0x70
Jan 14 12:49:20 localhost kernel: [ 58.862374] [sysfs_create_link+110/352]
sysfs_create_link+0x6e/0x160
Jan 14 12:49:20 localhost kernel: [ 58.862386] [_spin_unlock+17/48]
_spin_unlock+0x11/0x30
Jan 14 12:49:20 localhost kernel: [ 58.862390] [store_new_id+146/384]
store_new_id+0x92/0x180
Jan 14 12:49:20 localhost kernel: [ 58.862397] [pg0+948110144/1069028352]
snd_via82xx_probe+0x0/0x1030 [snd_via82xx]
Jan 14 12:49:20 localhost kernel: [ 58.862411] [pci_device_probe+86/128]
pci_device_probe+0x56/0x80
Jan 14 12:49:20 localhost kernel: [ 58.862424] [really_probe+84/320]
really_probe+0x54/0x140
Jan 14 12:49:20 localhost kernel: [ 58.862433] [driver_probe_device+73/192]
driver_probe_device+0x49/0xc0
Jan 14 12:49:20 localhost kernel: [ 58.862437] [_spin_unlock+17/48]
_spin_unlock+0x11/0x30
Jan 14 12:49:20 localhost kernel: [ 58.862441] [klist_next+93/160]
klist_next+0x5d/0xa0
Jan 14 12:49:20 localhost kernel: [ 58.862458] [__driver_attach+128/144]
__driver_attach+0x80/0x90
Jan 14 12:49:20 localhost kernel: [ 58.862466] [bus_for_each_dev+59/96]
bus_for_each_dev+0x3b/0x60
Jan 14 12:49:20 localhost kernel: [ 58.862490] [driver_attach+22/32]
driver_attach+0x16/0x20
Jan 14 12:49:20 localhost kernel: [ 58.862494] [__driver_attach+0/144]
__driver_attach+0x0/0x90
Jan 14 12:49:20 localhost kernel: [ 58.862498] [bus_add_driver+123/416]
bus_add_driver+0x7b/0x1a0
Jan 14 12:49:20 localhost kernel: [ 58.862525]
[__pci_register_driver+126/192] __pci_register_driver+0x7e/0xc0
Jan 14 12:49:20 localhost kernel: [ 58.862537] [sys_init_module+349/7152]
sys_init_module+0x15d/0x1bf0
Jan 14 12:49:20 localhost kernel: [ 58.862678] [sys_mmap2+205/208]
sys_mmap2+0xcd/0xd0
Jan 14 12:49:20 localhost kernel: [ 58.862705] [sysenter_past_esp+95/137]
sysenter_past_esp+0x5f/0x89
Jan 14 12:49:20 localhost kernel: [ 58.862757] =======================
Jan 14 12:49:20 localhost kernel: [ 58.862759] Code: 00 b8 e4 7e 3a c0 e8 d1
20 f4 ff 85 ed 0f 84 7b 00 00 00 8b 55 00 85 d2 74 1f 66 90 81 fa a8 7a 3a c0
74 15 83 fb ff 89 d1 74 34 <0f> b7 42 24 39 c3 74 2c 8b 12 85 d2 75 e3 31 c9 89
c8 e8 ba f6
Jan 14 12:49:20 localhost kernel: [ 58.862788] EIP: [pci_get_subsys+79/240]
pci_get_subsys+0x4f/0xf0 SS:ESP 0068:f7d91d40
--
feisty kernel ath_pci module: BUG: unable to handle kernel NULL pointer
dereference at virtual address 00000000
https://launchpad.net/bugs/78015
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