Here is a clarification about the stability problem. If I try to use
anything that uses v4l2 (like v4lctl, etc) I get this dmesg output:
saa7130/34: v4l2 driver version 0.2.9 loaded
PCI: Found IRQ 12 for device 0000:00:04.0
saa7133[0]: found at 0000:00:04.0, rev: 16, irq: 12, latency: 32, mmio:
0xde000000
saa7133[0]: subsystem: 5168:0138, board: AOPEN VA1000 POWER
[card=17,insmod option]
saa7133[0]: i2c eeprom 00: 68 51 38 01 10 28 ff ff ff ff ff ff ff ff ff
ff
saa7133[0]: i2c eeprom 10: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ff
saa7133[0]: i2c eeprom 20: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ff
saa7133[0]: i2c eeprom 30: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ff
saa7133[0]: board init: gpio is 39d00
saa7133[0]: dsp access wait timeout [bit=WRR]
saa7133[0]: dsp access wait timeout [bit=WRR]
saa7133[0]: dsp access wait timeout [bit=WRR]
saa7133[0]: dsp access wait timeout [bit=WRR]
tuner: no version magic, tainting kernel.
tuner: chip found @ 0xc2
tuner: type set to 2 (Philips NTSC (FI1236,FM1236 and compatibles))
registering 1-0061
saa7133[0]: registered device video0 [v4l2]
saa7133[0]: registered device vbi0
saa7133[0]: registered device dsp2
saa7133[0]: registered device mixer2
Unable to handle kernel NULL pointer dereference at virtual address
00000030
printing eip:
e0a102bc
*pde = 00000000
Oops: 0000 [#1]
CPU: 0
EIP: 0060:[<e0a102bc>] Tainted: PF
EFLAGS: 00210246
EIP is at video_open+0x4c/0x2a0 [saa7134]
eax: 00000000 ebx: 00000000 ecx: e0a1fa50 edx: de286000
esi: de286000 edi: c0338ecc ebp: d0b32b40 esp: d0adde94
ds: 007b es: 007b ss: 0068
Process v4lctl (pid: 1395, threadinfo=d0adc000 task=cf317380)
Stack: c155f284 d0adc000 c032c910 cf34bcc0 dffdd009 d9d3cd40 00000006
00000000
00000001 dffed880 dffdf220 00005100 00000000 c0338ee0 d81b6cc0
c0338ecc
d0b32b40 c01f68e6 cf250800 d0b32b40 c01548f0 00000001 00000000
d0adc000
Call Trace:
[<c01f68e6>] video_open+0x116/0x230
[<c01548f0>] exact_match+0x0/0x10
[<c01f67d0>] video_open+0x0/0x230
[<c015464a>] chrdev_open+0xea/0x210
[<c01a54f4>] devfs_open+0xf4/0x120
[<c014aad2>] dentry_open+0x142/0x210
[<c014a982>] filp_open+0x62/0x70
[<c014ae1b>] sys_open+0x5b/0x90
[<c0109077>] syscall_call+0x7/0xb
Code: 39 58 30 0f 84 33 02 00 00 8b 42 28 39 58 30 0f 84 18 02 00
