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List:       linux-smp
Subject:    kernel BUG at slab.c:1651! (2.3.47)
From:       Jorge Nerin <jnerin () svalero ! es>
Date:       2000-02-24 16:00:52
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I wasn't doing anything that could reproduce the bug, I was simply, in
the machine, btw Ctrl-Alt-BackSpace "solved" the problem, it was
Enlightenment, so X was runnig but without window manager, very
annoying, don't try it at home or worse, at work ;)

kernel: kmem_free: Bad obj addr (objp=c4fb3d40, name=size-32) 
kernel: kernel BUG at slab.c:1651! 
kernel: invalid operand: 0000 
kernel: CPU:    0 
kernel: EIP:    0010:[kfree+795/836] 
kernel: EFLAGS: 00010282 
kernel: eax: 0000001b   ebx: c11cb0e0   ecx: c02477dc   edx: c51f9f7c 
kernel: esi: c4fb358c   edi: c11cb100   ebp: c4fb3d40   esp: c3ab9e80 
kernel: ds: 0018   es: 0018   ss: 0018 
kernel: Process enlightenment (pid: 877, stackpage=c3ab9000) 
kernel: Stack: c020756c c02078d5 00000673 c5100780 00000020 c51007e0
c38deca8 c4fb3d7c  
kernel:        00000002 00000202 04fb3d40 c01b2a14 c4fb3d40 c5100780
00000020 c01b2bb1  
kernel:        c5100780 00000040 c5100780 c01ef3f2 c5100780 c3a41588
00000020 00000040  
kernel: Call Trace: [tvecs+7584/29492] [tvecs+8457/29492] 			
[kfree_skbmem+40/136] [__kfree_skb+317/324] 				
[unix_stream_recvmsg+1286/1828] [sock_recvmsg+65/176] 			
[unix_stream_recvmsg+0/1828]  
kernel:        [sock_read+147/156] [sys_read+262/296] 				
[system_call+52/56]  
kernel: Code: 0f 0b 83 c4 0c eb 18 55 68 42 7b 20 c0 e8 c7 85 fe ff c7
05  


And this appeared a few lines and ten minutes before the next dump.

Feb 24 15:53:44 quartz kernel: __elevator_merge: req latency 4065 req
latency 4064
Feb 24 15:54:12 quartz kernel: __elevator_merge: req latency 4035 req
latency 4034


And then, this one caused X to go away.

Unable to handle kernel paging request at virtual address dead4ead 
 printing eip: 
c0117be6 
*pde = 00000000 
Oops: 0000 
CPU:    0 
EIP:    0010:[__wake_up+294/1288] 
EFLAGS: 00013046 
eax: c3654b14   ebx: c3654b04   ecx: c5d623f4   edx: c3654b14 
esi: c19be880   edi: dead4ead   ebp: c40f1e9c   esp: c40f1e54 
ds: 0018   es: 0018   ss: 0018 
Process X (pid: 1070, stackpage=c40f1000) 
Stack: c19be94c c19be880 00000040 dead4ead c4f1b700 00000005 00003246
00000020  
       00000020 c19be880 c19bf780 00000000 00000000 c3654b0c c5d623ec
00003286  
       00000021 c5d623e4 c19bf7e8 c01ec081 c19be880 00000004 00000004
c01b1718  
Call Trace: [awe_wave+512326861/648986624] [unix_write_space+105/136]
[sock_wfree+24/52] [__kfree_skb+123/324] [unix_stream_recvmsg+1286/1828]
[sock_recvmsg+65/176] [unix_stream_recvmsg+0/1828]  
       [sock_read+147/156] [sys_read+262/296] [system_call+52/56]  
Code: 8b 3f 89 f8 89 7d e8 24 df 85 45 f8 0f 84 67 03 00 00 8b 45  


But it seems very stable, it only crashes X related things, the other
ones are ok ;)

E, X, what will be the next on...pppd[1024]: Connection terminated.


-- 
Jorge Nerin
<jnerin@svalero.es>
<comandante@zaralinux.com>
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