Could someone please attend to this oops from yesterday's USB bk tree?
http://bugme.osdl.org/show_bug.cgi?id=2859
Unable to handle kernel NULL pointer dereference at virtual address 00000000
printing eip:
c025ab12
*pde = 00000000
Oops: 0000 [#1]
PREEMPT
Modules linked in:
CPU: 0
EIP: 0060:[<c025ab12>] Not tainted VLI
EFLAGS: 00010046 (2.6.7-rc3-mm1-rous1)
EIP is at qh_make+0x19e/0x25f
eax: 00000000 ebx: 08084000 ecx: 40000000 edx: c1901400
esi: f7ddd800 edi: f7de0180 ebp: 00080000 esp: c1994dd0
ds: 007b es: 007b ss: 0068
Process khubd (pid: 22, threadinfo=c1994000 task=c19b7130)
Stack: 00000002 00000000 f7de1758 c1901400 00000000 c190bbb0 c1901400 00000000
c025ac7a c1994e44 f7ddf1e0 f7de1758 f7ddf0c0 c1994e44 f7de1758 c190bba0
f7de1758 00000246 c1901400 c025af2b 00000000 c190bbb0 c1994e44 f7de1758
Call Trace:
[<c025ac7a>] qh_append_tds+0x29/0x286
[<c025af2b>] submit_async+0x54/0xa8
[<c025dd21>] ehci_urb_enqueue+0x45/0x90
[<c02502d2>] hcd_submit_urb+0x10a/0x126
[<c0250d81>] usb_submit_urb+0x27a/0x282
[<c0250e5d>] usb_start_wait_urb+0x3f/0xb9
[<c01efc9b>] scrup+0x71/0x13c
[<c0250f2b>] usb_internal_control_msg+0x54/0x61
[<c0250fb6>] usb_control_msg+0x7e/0x94
[<c024e316>] hub_set_address+0x41/0x55
[<c024e468>] hub_port_init+0x13e/0x2a5
[<c024e8ad>] hub_port_connect_change+0x1d6/0x3a5
[<c024ed2a>] hub_events+0x2ae/0x3ab
[<c024ee45>] hub_thread+0x1e/0xe0
[<c01132d3>] default_wake_function+0x0/0xc
[<c024ee27>] hub_thread+0x0/0xe0
[<c01021d9>] kernel_thread_helper+0x5/0xb
Code: c1 e1 17 c1 e5 10 09 eb 81 c9 00 00 00 40 f6 82 28 02 00 00 01 74 11 8b 56 1c 8b
6c 24 0c 8b 85 88 00 00 00 39 02 74 6e 8b 46 1c <8b> 00 8b 00 c1 e0 10 09 c1 eb 60 80
cf 20 83 3c 24 02 75 08 81
<6>note: khubd[22] exited with preempt_count 1
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