2.5.7, BUG(), sched.c:754

Hi,

Just got this while running a make oldconfig

ksymoops 2.4.5 on i686 2.5.7. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.5.7/ (default)
-m /usr/src/bk/linux-2.5/System.map (specified)

Warning (compare_maps): mismatch on symbol partition_name , ksyms_base says c024cfd0, System.map says c0164ce0. Ignoring ksyms_base entry fd23380 length 800005b1 status 800005b1
kernel BUG at sched.c:754!

invalid operand: 0000
CPU:    1
EIP:    0010:[<c0116147>]    Not tainted

Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00013202
eax: 00000001 ebx: d48b0c80 ecx: d69b6000 edx: 00000000
esi: de81f780 edi: dcb4e400 ebp: d5727e88 esp: d5727e68
ds: 0018 es: 0018 ss: 0018

Stack: 00000000 00000001 deb77d40 d48b0c80 d5726000 d48b0c80 de81f780 dcb4e400 
       00000100 c01189d6 d5727ecc 00000400 00000000 72756769 de81f744 00000000 
       dcb4e400 d69b6000 de81f740 00000292 00000001 c02fecb4 c02fee20 00000200 
Call Trace: [<c01189d6>] [<c01366b6>] [<c0117e0a>] [<c0118d7a>] [<c01b0cb7>] 
   [<c01b4ed0>] [<c013e04a>] [<c0105c34>] [<c010754b>] 
Code: 0f 0b f2 02 d6 0f 2b c0 e9 86 fb ff ff 8d b6 00 00 00 00 8d 

Trace; c01189d6 <copy_files+366/3c0>
Trace; c01366b6 <__alloc_pages+46/1a0>
Trace; c0117e0a <dup_task_struct+2a/90>
Trace; c0118d7a <do_fork+34a/990>
Trace; c01b0cb7 <tty_write+277/2f0>
Trace; c01b4ed0 <write_chan+0/1f0>
Trace; c013e04a <filp_close+6a/d0>
Trace; c0105c34 <sys_fork+14/20>
Trace; c010754b <syscall_call+7/b>

Code; c0116147 <schedule+497/4b0>
00000000 <_EIP>:
Code; c0116147 <schedule+497/4b0> <=====
0: 0f 0b ud2a <=====
Code; c0116149 <schedule+499/4b0>
2: f2 02 d6 repnz add %dh,%dl
Code; c011614c <schedule+49c/4b0>
5: 0f 2b c0 movntps %xmm0,%eax
Code; c011614f <schedule+49f/4b0>
8: e9 86 fb ff ff jmp fffffb93 <_EIP+0xfffffb93> c0115cda <schedule+2a/4b0>
Code; c0116154 <schedule+4a4/4b0>
d: 8d b6 00 00 00 00 lea 0x0(%esi),%esi
Code; c011615a <schedule+4aa/4b0>
13: 8d 00 lea (%eax),%eax

1 warning issued. Results may not be reliable.

Jens Axboe