raid1.c BUG()

kernel 2.5.41
Adaptec aic7899 U160 SCSI
RAID1 on sda1 and sdb3

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kernel BUG at drivers/md/raid1.c:667!
invalid operand: 0000
eepro100 mii binfmt_misc nfs lockd sunrpc nls_iso8859-1 nls_cp437 vfat fat usbcore
CPU:    0
EIP:    0060:[<c025cbbc>]    Not tainted
EFLAGS: 00010283

EIP is at close_sync+0xdc/0x100
eax: dfcb1314 ebx: 00000000 ecx: dfce1ea4 edx: 00000000
esi: dfcb1200 edi: dfce1e00 ebp: 001f2100 esp: dfc7bea8
ds: 0068 es: 0068 ss: 0068
Process md_resync (pid: 19, threadinfo=dfc7a000 task=dfc7e140)

Stack: c0116540 deb91f30 c0359800 dfc7e560 c02fdd00 dfc7e140 c03604a0 dfb4d70c
       dfcb1200 00000002 dfce1e00 c025d4a3 dfcb1200 c043b6d7 001f2100 
dfc7a000
       00000002 dfce1e00 dfce1e00 c0267083 dfce1e00 001f2100 00000001 
dfc7a000
Call Trace:
 [<c0116540>] __wake_up_common+0x40/0x60
 [<c025d4a3>] sync_request+0x43/0x1d0
 [<c0267083>] md_do_sync+0x513/0x560
 [<c01164c0>] default_wake_function+0x0/0x40
 [<c02660c9>] md_thread+0x169/0x1d0
 [<c01164c0>] default_wake_function+0x0/0x40
 [<c0265f60>] md_thread+0x0/0x1d0
 [<c01070a9>] kernel_thread_helper+0x5/0xc

Code: 0f 0b 9b 02 a4 25 2d c0 8b 8e 20 01 00 00 51 e8 f0 0b ee ff

Tim Hockin
Systems Software Engineer
Sun Microsystems, Linux Kernel Engineering
[email protected]