i386/76397: ata raid crashes in g_down (heavy load)
Vladimir Kotal
vlada at devnull.cz
Tue Feb 22 10:50:37 PST 2005
The following reply was made to PR i386/76397; it has been noted by GNATS.
From: Vladimir Kotal <vlada at devnull.cz>
To: freebsd-gnats-submit at FreeBSD.org, rp at tns.cz
Cc:
Subject: Re: i386/76397: ata raid crashes in g_down (heavy load)
Date: Tue, 22 Feb 2005 19:44:28 +0100
I can confirm that there is a problem in GEOM in 5.3 patch branch:
Feb 21 11:07:53 news kernel:
Feb 21 11:07:53 news kernel:
Feb 21 11:07:53 news kernel: Fatal trap 12: page fault while in kernel
mode
Feb 21 11:07:53 news kernel: fault virtual address = 0x7c
Feb 21 11:07:53 news kernel: fault code = supervisor write,
page not present
Feb 21 11:07:53 news kernel: instruction pointer = 0x8:0xc044f23d
Feb 21 11:07:53 news kernel: stack pointer =
0x10:0xcc714c5c
Feb 21 11:07:53 news kernel: frame pointer =
0x10:0xcc714cd8
Feb 21 11:07:53 news kernel: code segment = base 0x0,
limit 0xfffff, type 0x1b
Feb 21 11:07:53 news kernel: = DPL 0, pres 1, def32 1, gran 1
Feb 21 11:07:53 news kernel: processor eflags = interrupt enabled,
resume, IOPL = 0
Feb 21 11:07:53 news kernel: current process = 4 (g_down)
Feb 21 11:07:53 news kernel: trap number = 12
Feb 21 11:07:53 news kernel: panic: page fault
Feb 21 11:07:53 news kernel: Uptime: 20m50s
Feb 21 11:07:53 news kernel: Cannot dump. No dump device defined.
Feb 21 11:07:53 news kernel: Automatic reboot in 15 seconds - press a
key on the console to abort
Feb 21 11:07:53 news kernel: Rebooting...
relevant part of dmesg:
ad4: 38166MB <WDC WD400JB-00ENA0/05.03E05> [77545/16/63] at ata2-master
UDMA100
ad6: 38166MB <WDC WD400JB-00ENA0/05.03E05> [77545/16/63] at ata3-master
UDMA100
ar0: 38166MB <ATA RAID1 array> [4865/255/63] status: READY subdisks:
disk0 READY on ad4 at ata2-master
disk1 READY on ad6 at ata3-master
Mounting root from ufs:/dev/ar0s1a
uname -a output:
FreeBSD news 5.3-RELEASE-p1 FreeBSD 5.3-RELEASE-p1 #0: Tue Feb 22
09:49:48 CET 2005 news:/usr/src/sys/i386/compile/news_5.3
i386
When the system crashes again, I will submit full backtrace.
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