kernel NULL pointer dereference - (kraxel3, video4linux-20031208, 2.6.0-test11)

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Hi Guys,

I keep getting the following when trying to open a v4l device. (The
computer has 2 x saa7134 cards installed).

Patched with 2.6.0-kraxel3, video4linux-20031208, and 2.6.0-test11

Ideas?

Dec 11 13:31:34 valley kernel: Unable to handle kernel NULL pointer
dereference at virtual address 00000030
Dec 11 13:31:34 valley kernel:  printing eip:
Dec 11 13:31:34 valley kernel: f8aef1d0
Dec 11 13:31:34 valley kernel: *pde = 00000000
Dec 11 13:31:34 valley kernel: Oops: 0000 [#1]
Dec 11 13:31:34 valley kernel: CPU:    0
Dec 11 13:31:34 valley kernel: EIP:    0060:[<f8aef1d0>]    Tainted: P
Dec 11 13:31:34 valley kernel: EFLAGS: 00210287
Dec 11 13:31:34 valley kernel: EIP is at ts_open+0x2d/0xe1 [saa7134]
Dec 11 13:31:34 valley kernel: eax: 00000000   ebx: ee088800   ecx:
f8afa000   edx: eda49000
Dec 11 13:31:34 valley kernel: esi: 00000001   edi: ed8d6880   ebp:
e7d6fed4   esp: e7d6fec0
Dec 11 13:31:34 valley kernel: ds: 007b   es: 007b   ss: 0068
Dec 11 13:31:34 valley kernel: Process mash-5.2.1 (pid: 2336,
threadinfo=e7d6e000 task=e8025310)
Dec 11 13:31:34 valley kernel: Stack: c016236d e8d22a80 e7d6fef8
00000001 f8a97860 e7d6fef8 f8a9631f f73cf814
Dec 11 13:31:34 valley kernel:        e79b0b80 c0162354 00000000
e79b0b80 00000000 e8d22a80 e7d6ff28 c01620c7
Dec 11 13:31:34 valley kernel:        f73cf814 e79b0b80 e7d6ff18
e7d6e000 00000001 00000000 00000001 e79b0b80
Dec 11 13:31:34 valley kernel: Call Trace:
Dec 11 13:31:34 valley kernel:  [<c016236d>] exact_lock+0x11/0x20
Dec 11 13:31:34 valley kernel:  [<f8a9631f>] video_open+0x21e/0x2ac
[videodev]
Dec 11 13:31:34 valley kernel:  [<c0162354>] exact_match+0x0/0x8
Dec 11 13:31:34 valley kernel:  [<c01620c7>] chrdev_open+0x133/0x2b7
Dec 11 13:31:34 valley kernel:  [<c0157777>] dentry_open+0x15c/0x235
Dec 11 13:31:34 valley kernel:  [<c0157619>] filp_open+0x62/0x64
Dec 11 13:31:34 valley kernel:  [<c0157b55>] sys_open+0x55/0x85
Dec 11 13:31:34 valley kernel:  [<c0109627>] syscall_call+0x7/0xb
Dec 11 13:31:34 valley kernel:
Dec 11 13:31:34 valley kernel: Code: 39 70 30 8b 01 0f 44 da 89 ca 89 c1
0f 18 00 90 81 fa 00 a0






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