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SubjectRAID1 resync oops on 2.4.0.ac11 (was ac10)
Date
ac10 oopsed but now ac11 oopses in a new place at the end of a RAID1 resync
operation when I tried to "more /proc/mdstat"

Unable to handle kernel NULL pointer dereference at virtual address 00000038
printing EIP:
c01ba0f
Oops: 0000
CPU: 0
EIP: 0010:[<c01ba0af>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010286
eax: 00000000 ebx: f7b4504c ecx: 00000000 edx: 00000002
esi: c32691a0 edi: ffffffff ebp: f7a65300 esp: f7a6ded8
ds: 0018 es: 0018 ss: 0018
Process mdrecoveryd (pid: 7, stackpage=f7a6d000)
Stack: f7bb75d8 f7bb7580 f7a65000 f7a60fb0 00000286 00000001 f7a65280
f7a65000
f7b45028 f7b45000 00000001 00000000 f7a6dfb0 f7a6df3c 00000000
f7a6df3c
f7bb75ec 00000000 09009e0a 00000000 01388ac0 c017176e 00000000
c028e680
Call Trace: [<c017176e>] [<c01c051b>] [<c01bf40aq>] [<c01074c4>]
Code: 8b 41 38 89 46 38 89 51 38 8d 7c 24 30 89 ee fc b9 20 00 00

>>EIP; c01ba0af <status_resync+4f/224> <=====
Trace; c017176e <vt_console_print+2c2/2d8>
Trace; c01c051b <netif_rx+df/f0>
Code; c01ba0af <status_resync+4f/224>
00000000 <_EIP>:
Code; c01ba0af <status_resync+4f/224> <=====
0: 8b 41 38 mov 0x38(%ecx),%eax <=====
Code; c01ba0b2 <status_resync+52/224>
3: 89 46 38 mov %eax,0x38(%esi)
Code; c01ba0b5 <status_resync+55/224>
6: 89 51 38 mov %edx,0x38(%ecx)
Code; c01ba0b8 <status_resync+58/224>
9: 8d 7c 24 30 lea 0x30(%esp,1),%edi
Code; c01ba0bc <status_resync+5c/224>
d: 89 ee mov %ebp,%esi
Code; c01ba0be <status_resync+5e/224>
f: fc cld
Code; c01ba0bf <status_resync+5f/224>
10: b9 20 00 00 00 mov $0x20,%ecx


________________________________________
Michael D. Black Principal Engineer
mblack@csihq.com 321-676-2923,x203
http://www.csihq.com Computer Science Innovations
http://www.csihq.com/~mike My home page
FAX 321-676-2355

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