kernel BUG at slab.c:1542! (2.4.1-pre9)

[Jorge Nerin <comandante@zaralinux.com>]

Hello, this is perfectly reproductable, fresh RH7.0 kernel 2.4.1-pre9
compiled with kgcc, and the same bug in pre1, pre4 & pre9. I only need
to run xfontsel and the xfs dies, every time, prefectly reproductable.

Using XFree86-xfs-4.0.1-1, and this XFree packages:
XFree86-4.0.1-1
XFree86-tools-4.0.1-1
XFree86-xdm-4.0.1-1
XFree86-libs-4.0.1-1
XFree86-xfs-4.0.1-1
XFree86-75dpi-fonts-4.0.1-1
XFree86-SVGA-3.3.6-33
XFree86-twm-4.0.1-1
XFree86-VGA16-3.3.6-33
XFree86-Xnest-4.0.1-1
XFree86-devel-4.0.1-1
XFree86-V4L-4.0.1-1

Pentium 2x200mmx 96mb ram, voodoo 3 200pci, more info as requested, and
also some patches are welcome.

ksymoops 2.3.4 on i586 2.4.1-pre9.  Options used
     -V (default)
     -k /proc/ksyms (default)
     -l /proc/modules (default)
     -o /lib/modules/2.4.1-pre9/ (default)
     -m /usr/src/linux/System.map (default)

Warning: You did not tell me where to find symbol information.  I will
assume that the log matches the kernel and modules that are running
right now and I'll use the default options above for symbol resolution.
If the current kernel and/or modules do not match the log, you can get
more accurate output by telling me the kernel version and where to find
map, modules, ksyms etc.  ksymoops -h explains the options.

activating NMI Watchdog ... done.
cpu: 0, clocks: 668150, slice: 222716
cpu: 1, clocks: 668150, slice: 222716
8139too Fast Ethernet driver 0.9.13 loaded
invalid operand: 0000
CPU:    1
EIP:    0010:[<c012c056>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010292
eax: 0000001b   ebx: c27cc680   ecx: 00000008   edx: c5802ca0
esi: 00000003   edi: c4310000   ebp: c4310000   esp: c4311de4
ds: 0018   es: 0018   ss: 0018
Process xfs (pid: 909, stackpage=c4311000)
Stack: c01e97a5 c01e9825 00000606 c27cc680 00000003 c4310000 c4310000
c0111d3b 
       c5fe3f0c 000001a8 c0196cfa 0003fff4 00000003 00000000 c5c96c20
c4310000 
       00000ff0 00000206 c01963fe 0003fff0 00000003 c2f8a164 0003ffec
c01d1550 
Call Trace: [<c0111d3b>] [<c0196cfa>] [<c01963fe>] [<c01d1550>]
[<c01d167e>] [<c01d1550>] [<c0193fad>] 
       [<c01d1550>] [<c0194260>] [<c01942e2>] [<c0134763>] [<c01348c9>]
[<c0108fc7>] 
Code: 0f 0b 83 c4 0c 90 8d 74 26 00 31 c0 5b 5e 5f 5d 83 c4 0c c3 

>>EIP; c012c056 <kmalloc+112/128>   <=====
Trace; c0111d3b <smp_call_function_interrupt+1f/34>
Trace; c0196cfa <alloc_skb+102/1a0>
Trace; c01963fe <sock_alloc_send_skb+72/12c>
Trace; c01d1550 <unix_stream_sendmsg+0/310>
Trace; c01d167e <unix_stream_sendmsg+12e/310>
Trace; c01d1550 <unix_stream_sendmsg+0/310>
Trace; c0193fad <sock_sendmsg+81/a4>
Trace; c01d1550 <unix_stream_sendmsg+0/310>
Trace; c0194260 <sock_readv_writev+8c/98>
Trace; c01942e2 <sock_writev+36/40>
Trace; c0134763 <do_readv_writev+183/254>
Trace; c01348c9 <sys_writev+41/54>
Trace; c0108fc7 <system_call+37/40>
Code;  c012c056 <kmalloc+112/128>
00000000 <_EIP>:
Code;  c012c056 <kmalloc+112/128>   <=====
   0:   0f 0b                     ud2a      <=====
Code;  c012c058 <kmalloc+114/128>
   2:   83 c4 0c                  add    $0xc,%esp
Code;  c012c05b <kmalloc+117/128>
   5:   90                        nop    
Code;  c012c05c <kmalloc+118/128>
   6:   8d 74 26 00               lea    0x0(%esi,1),%esi
Code;  c012c060 <kmalloc+11c/128>
   a:   31 c0                     xor    %eax,%eax
Code;  c012c062 <kmalloc+11e/128>
   c:   5b                        pop    %ebx
Code;  c012c063 <kmalloc+11f/128>
   d:   5e                        pop    %esi
Code;  c012c064 <kmalloc+120/128>
   e:   5f                        pop    %edi
Code;  c012c065 <kmalloc+121/128>
   f:   5d                        pop    %ebp
Code;  c012c066 <kmalloc+122/128>
  10:   83 c4 0c                  add    $0xc,%esp
Code;  c012c069 <kmalloc+125/128>
  13:   c3                        ret    


1 warning issued.  Results may not be reliable.




kernel BUG at slab.c:1542!
invalid operand: 0000
CPU:    1
EIP:    0010:[kmalloc+274/296]
EFLAGS: 00010292
eax: 0000001b   ebx: c27cc680   ecx: 00000008   edx: c5802ca0
esi: 00000003   edi: c4310000   ebp: c4310000   esp: c4311de4
ds: 0018   es: 0018   ss: 0018
Process xfs (pid: 909, stackpage=c4311000)
Stack: c01e97a5 c01e9825 00000606 c27cc680 00000003 c4310000 c4310000
c0111d3b 
       c5fe3f0c 000001a8 c0196cfa 0003fff4 00000003 00000000 c5c96c20
c4310000 
       00000ff0 00000206 c01963fe 0003fff0 00000003 c2f8a164 0003ffec
c01d1550 
Call Trace: [smp_call_function_interrupt+31/52] [alloc_skb+258/416]
[sock_alloc_send_skb+114/300] [unix_stream_sendmsg+0/784]
[unix_stream_sendmsg+302/784] [unix_stream_sendmsg+0/784]
[sock_sendmsg+129/164] 
       [unix_stream_sendmsg+0/784] [sock_readv_writev+140/152]
[sock_writev+54/64] [do_readv_writev+387/596] [sys_writev+65/84]
[system_call+55/64] 

Code: 0f 0b 83 c4 0c 90 8d 74 26 00 31 c0 5b 5e 5f 5d 83 c4 0c c3 


-- 
Jorge Nerin
<comandante@zaralinux.com>
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