When I unplug my four port keyspan USB serial converter or remove the
keyspan module I get a consistent oops. I'm running linux-2.6.3.
Thanks for any help with this,
-Jim
Unable to handle kernel NULL pointer dereference at virtual address 00000000
printing eip:
e0e084b1
*pde = 00000000
Oops: 0000 [#1]
CPU: 0
EIP: 0060:[<e0e084b1>] Not tainted
EFLAGS: 00010246
EIP is at usb_serial_disconnect+0x41/0x80 [usbserial]
eax: 00000000 ebx: dfc566d4 ecx: 00000000 edx: ddddfa00
esi: 00000000 edi: dfc566c0 ebp: d1dbdf2c esp: d1dbdf14
ds: 007b es: 007b ss: 0068
Process rmmod (pid: 3225, threadinfo=d1dbc000 task=d3b16690)
Stack: d1dbdf2c c027de96 dfc5672c d198e8a0 00000000 e0e4c500 d1dbdf4c e0e08832
dfc566c0 dfc566c0 e0e49af7 e0e4c640 00000880 00000000 d1dbdf58 e0e32a02
e0e4c500 d1dbdfbc c013c3bd e0e4c640 bfffe5f8 0000003b 00000000 7379656b
Call Trace:
[<c027de96>] device_release_driver+0x66/0x70
[<e0e08832>] usb_serial_deregister+0x92/0xa0 [usbserial]
[<e0e32a02>] keyspan_exit+0x42/0x46 [keyspan]
[<c013c3bd>] sys_delete_module+0x17d/0x1c0
[<c0154e84>] sys_munmap+0x44/0x70
[<c010a5df>] syscall_call+0x7/0xb
Code: 8b 00 c7 04 24 60 a2 e0 e0 89 44 24 04 e8 8d cc 31 df 8b 7d
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