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Subjectuinput oops and panic
Whenever I try to use the uinput sample program, I get an oops followed by a panic.  The problem also exists in 2.6.0-test3-mm1, but it's a little difficult for me to get the oops reports on my laptop without a serial port, so a report from 2.6.0-test1-ac3 is all I have.  I'm using uinput as a module, and preemptable or not, it still crashes.

ksymoops 2.4.9 on i686 2.6.0-test1-ac3. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.6.0-test1-ac3/ (default)
-m /proc/kallsyms (specified)

Error (regular_file): read_ksyms stat /proc/ksyms failed
No modules in ksyms, skipping objects
No ksyms, skipping lsmod
Unable to handle kernel paging request at virtual address c642d000
*pde = 00019067
Oops: 0002 [#1]
CPU: 0
EIP: 0060:[<c88488bf>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00000246
eax: c642c004 ebx: c61fb004 ecx: ffffffea edx: 40045565
esi: 00007f00 edi: 00000000 ebp: c551ff80 esp: c551ff70
ds: 007b es: 007b ss: 0068
Stack: 0000007b c55ef004 40045565 c8848830 c551ffbc c01946d5 c55280c4 c55ef004
40045565 00007f00 bffffe24 c551e000 00000036 ffffffe7 00000001 c03621e0
00000003 400098bc bffffe24 c551e000 c010afff 00000003 40045565 00007f00
Call Trace:
[<c8848830>] uinput_ioctl+0x0/0x120 [uinput]
[<c01946d5>] sys_ioctl+0x205/0x3f0
[<c010afff>] syscall_call+0x7/0xb
Code: 0f ab 70 1c eb cd 8b 03 0f ab 70 18 eb c5 89 1c 24 e8 db f8

>>EIP; c88488bf <[uinput]uinput_ioctl+8f/120> <=====

>>eax; c642c004 <[ds]proc_bus+60067d4/83e67d0>
>>ebx; c61fb004 <[ds]proc_bus+5dd57d4/83e67d0>
>>ebp; c551ff80 <[ds]proc_bus+50fa750/83e67d0>
>>esp; c551ff70 <[ds]proc_bus+50fa740/83e67d0>

Trace; c8848830 <[uinput]uinput_ioctl+0/120>
Trace; c01946d5 <sys_ioctl+205/3f0>
Trace; c010afff <syscall_call+7/b>

Code; c88488bf <[uinput]uinput_ioctl+8f/120>
00000000 <_EIP>:
Code; c88488bf <[uinput]uinput_ioctl+8f/120> <=====
0: 0f ab 70 1c bts %esi,0x1c(%eax) <=====
Code; c88488c3 <[uinput]uinput_ioctl+93/120>
4: eb cd jmp ffffffd3 <_EIP+0xffffffd3>
Code; c88488c5 <[uinput]uinput_ioctl+95/120>
6: 8b 03 mov (%ebx),%eax
Code; c88488c7 <[uinput]uinput_ioctl+97/120>
8: 0f ab 70 18 bts %esi,0x18(%eax)
Code; c88488cb <[uinput]uinput_ioctl+9b/120>
c: eb c5 jmp ffffffd3 <_EIP+0xffffffd3>
Code; c88488cd <[uinput]uinput_ioctl+9d/120>
e: 89 1c 24 mov %ebx,(%esp,1)
Code; c88488d0 <[uinput]uinput_ioctl+a0/120>
11: e8 db f8 00 00 call f8f1 <_EIP+0xf8f1>

CPU: 0
EIP: 0060:[<c8842351>] Not tainted
EFLAGS: 00000216
eax: 0000003c ebx: c65cc000 ecx: 0000000f edx: 00000002
esi: ffffffff edi: c63a6016 ebp: c563bea4 esp: c563be80
ds: 007b es: 007b ss: 0068
Stack: 0000004e 00000020 c013338d 0000003c c5ab1004 00000002 c72188e8 c65cc000
00000000 c563bef0 c8841f81 c65cb004 00000000 000004b0 00000001 c0364328
c563bef0 c03621e0 20000001 00000000 000004f3 00000000 0000004f 00000000
Call Trace:
[<c013338d>] update_wall_time+0xd/0x40
[<c8841f81>] pcnet32_interrupt+0x3a1/0x580 [pcnet32]
[<c010d37b>] handle_IRQ_event+0x3b/0x70
[<c010d990>] do_IRQ+0x140/0x3a0
[<c0133843>] run_timer_softirq+0x303/0x430
[<c010b96c>] common_interrupt+0x18/0x20
[<c010b96c>] common_interrupt+0x18/0x20
[<c0194730>] sys_ioctl+0x260/0x3f0
[<c010afff>] syscall_call+0x7/0xb
Code: f3 a5 a8 02 74 02 66 a5 a8 01 74 01 a4 8b 4d ec 8b 41 64 01

>>EIP; c8842351 <[pcnet32]pcnet32_rx+1f1/350> <=====

>>ebx; c65cc000 <[ds]proc_bus+61a67d0/83e67d0>
>>edi; c63a6016 <[ds]proc_bus+5f807e6/83e67d0>
>>ebp; c563bea4 <[ds]proc_bus+5216674/83e67d0>
>>esp; c563be80 <[ds]proc_bus+5216650/83e67d0>

Trace; c013338d <update_wall_time+d/40>
Trace; c8841f81 <[pcnet32]pcnet32_interrupt+3a1/580>
Trace; c010d37b <handle_IRQ_event+3b/70>
Trace; c010d990 <do_IRQ+140/3a0>
Trace; c0133843 <run_timer_softirq+303/430>
Trace; c010b96c <common_interrupt+18/20>
Trace; c010b96c <common_interrupt+18/20>
Trace; c0194730 <sys_ioctl+260/3f0>
Trace; c010afff <syscall_call+7/b>

Code; c8842351 <[pcnet32]pcnet32_rx+1f1/350>
00000000 <_EIP>:
Code; c8842351 <[pcnet32]pcnet32_rx+1f1/350> <=====
0: f3 a5 repz movsl %ds:(%esi),%es:(%edi) <=====
Code; c8842353 <[pcnet32]pcnet32_rx+1f3/350>
2: a8 02 test $0x2,%al
Code; c8842355 <[pcnet32]pcnet32_rx+1f5/350>
4: 74 02 je 8 <_EIP+0x8>
Code; c8842357 <[pcnet32]pcnet32_rx+1f7/350>
6: 66 a5 movsw %ds:(%esi),%es:(%edi)
Code; c8842359 <[pcnet32]pcnet32_rx+1f9/350>
8: a8 01 test $0x1,%al
Code; c884235b <[pcnet32]pcnet32_rx+1fb/350>
a: 74 01 je d <_EIP+0xd>
Code; c884235d <[pcnet32]pcnet32_rx+1fd/350>
c: a4 movsb %ds:(%esi),%es:(%edi)
Code; c884235e <[pcnet32]pcnet32_rx+1fe/350>
d: 8b 4d ec mov 0xffffffec(%ebp),%ecx
Code; c8842361 <[pcnet32]pcnet32_rx+201/350>
10: 8b 41 64 mov 0x64(%ecx),%eax
Code; c8842364 <[pcnet32]pcnet32_rx+204/350>
13: 01 00 add %eax,(%eax)

<0>Kernel panic: Fatal exception in interrupt

1 error issued. Results may not be reliable.
[unhandled content-type:application/octet-stream]
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