2.6.1-mm4

[Thomas Molina]

I issued a reboot command under -mm4 and received the following oops some 
time after the "Sending all processes the TERM signal" message.  This 
message did not make it into syslog.  Following this oops are one 
"sleeping function called from invalid context at 
include/linux/rwsem.h:43" and one "bad: scheduling while atomic!" message.  
Then I get the message "no more processes left in this runlevel", after 
which processing stops.  Nothing further appears to happen, but I can 
still use <SHIFT><PAGE [UP|DOWN]> to scroll screen.

I've typed this in by hand so there may be errors.  This machine is a 
Presario 12XL325 laptop and does not have a serial port to use as a remote 
console.  This oops is reproducable, but does not happen on every reboot.

Unable to handle kernel paging request at virtual address c778c950
 printing eip:
c0130555
*pde = 0001a063
*pte = 0778c000
Oops: 0000 (#1]
PREEMPT DEBUG_PAGEALLOC
CPU:	0
EIP:	0060:[<c0130555>]    Not tainted VLI
EFLAGS: 00010086
EIP is at __tasklet_schedule+0x35/0x50
eax: c6e9c000   ebx: 00000046   ecx: 00000186   edx: c778c950
esi: 00000000   edi: c6eb6950   ebp: c6e9de74   esp: c6e9de70
ds: 007b   es: 007b   ss: 0068
Process S01reboot (pid: 3322, threadinfo=c6e9c000 task=c6eb6950)
Stack: 00000000 c6e9dea8 c012267e 00000000 00000000 c2213fc4 c6e9dec0 
13aaa68c
       00895486 3f33cb49 00001640 00000000 c6e9c000 401610c8 c6e9dec0 
c012212c
       00000000 00000000 c2117950 c6eb6fe0 c6e9df20 c0128880 00000000 
01200011
Call Trace:
[<c012267e>] scheduler_tick+0x6e/0x6b0
[<c012212c>] sched_fork+0xbc/0xe0
[<c0128880>] copy_process+0x5e0/0xfe0
[<c01292cd>] do_fork+0x4d/0x1c1
[<c013bba7>] sigprocmask+0xf7/0x2a0
[<c017b54a>] generic_file_llseek+0x3a/0xf0
[<c017bc90>] sys_llseek+0xd0/0x100
[<c0109cef>] sys_clone+0x3f/0x50
[<c02ec24a>] sysenter_past_esp+0x43/0x65

Code: 0a 3c c0 89 10 83 0d 20 0a 3c c0 20 a3 00 0a 3c c0 b8 00 e0 ff ff 21 
e0 f7 40 14 00 ff ff 00 75 15 8b 15 40 0b 3c c0 85 d2 74 0b <8b> 02 85 c0 
75 0a 90 8d 74 26 00 53 9d 5b 5d c3 89 d0 e8 b4 1a
<6>note: S01reboot[2352] exited with preempt_count 1

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