On boot up I noticed my scanner wasn't working. when I ran dmesg, I saw
the following
excerpt of dmesg spewage:
scanner.c: read_scanner(0): funky result:-84. Consult
Documentation/usb/scanner.txt.
Unable to handle kernel NULL pointer dereference at virtual address
00000078
printing eip:
d49d61e2
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<d49d61e2>] Tainted: P
EFLAGS: 00010282
eax: 00000000 ebx: d49d82b4 ecx: 00000078 edx: 00000000
esi: 00000078 edi: cee6c7c0 ebp: c5a87f64 esp: c5a87f5c
ds: 0018 es: 0018 ss: 0018
Process xsane (pid: 3251, stackpage=c5a87000)
Stack: c7fac9a0 c12c6320 c5a87f84 c013ad02 cee6c7c0 c7fac9a0 cec4d1e0
c7fac9a0
c864e0e0 00000000 c5a87fa8 c01396d8 c7fac9a0 c864e0e0 c7fac9a0
c864e0e0
c7fac9a0 00000010 00000009 c5a87fbc c0139745 c7fac9a0 c864e0e0
c5a86000
Call Trace: [<c013ad02>] [<c01396d8>] [<c0139745>] [<c0108fe3>]
Code: ff 4a 78 0f 88 89 0d 00 00 c6 42 5f 00 8b 45 0c 89 d9 c7 40
<6>NVRM: AGPGART: freed 16 pages
NVRM: AGPGART: backend released
hub.c: USB new device connect on bus3/1, assigned device number 4
