Date: Fri, 2 Apr 2004 21:04:33 +0400 From: "Artem Koutchine" <matrix@itlegion.ru> To: <freebsd-bugs@freebsd.org> Subject: there is a bug in twe driver or disk subsystem for sure Message-ID: <001001c418d4$9ae7ea80$0c00a8c0@artem>
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I am running 5.2-CURRENT. The box has 3w 8506-4LP
SATA raid controller and freebsd is install onto raid5 array.
Almost everytime i pull a hotswap disk (one out of four)
or when very heavy disk activity (like background fsck after
crashing on a 310GB label) i get the following after 10 or
so minutes of uptime:
Memory modified after free 0x788f400(508) val=20202020 @ 0xe788f400
panic: Most recently used by devbuf
at line 128 in file /usr/src/sys/udm_dbg.c
cpu=0;
Debugger ("panic")
Stopped at Debugger +0.46: xchgl %ebx, in_Debugger.0
and i typed 'c' in debugger:
the system started to shutdown and here is what i saw:
twe0: failed to delete unit 0
stray irq9
The box is:
permicro X5DPE-G2 motherboard
DUAL XEON 2.66Ghz (HT enabled) 533Mhz bus
2GB RAM
4 SATA SEAGTE 120GB DRIVES
3WARE 8506-4LP SATA RAID5 CONTROLLER
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