Date: Tue, 21 Jan 2003 13:11:44 -0500 From: Chris BeHanna <behanna@zbzoom.net> To: stable@freebsd.org Subject: Re: kernel panic in ufs Message-ID: <200301211311.44307.behanna@zbzoom.net> In-Reply-To: <20030121115727.GB87758@ice.freeman.org.ua> References: <20030121115727.GB87758@ice.freeman.org.ua>
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On Tuesday 21 January 2003 06:57, Alexander Peresunko wrote:
> Hi!
>
> I have a regular (one per 10-30 days) kernel panic on my FreeBSD box.
> This happens on hard disk operations (mostly on daily periodic or such
> operations as cvsup).
> Ready to give additional information on request.
If something is sharing an IRQ with some component of your I/O
devices, what you saw can easily happen. This was my experience when
capturing video, for example: every slot in my box is full, and the
IDE RAID card to which I was capturing the video shares IRQ 11 with my
sound card (which was capturing the audio portion of the video) and
with my SCSI adapter. Under very heavy load, I was getting numerous
crashes that all pointed into UFS/VFS. In my case, capturing 320x240
instead of 640x480 "cured" the crash, but that's really just a bandaid
to lower the load to the IDE RAID.
> [...crashdump deleted...]
--
Chris BeHanna
Software Engineer (Remove "bogus" before responding.)
behanna@bogus.zbzoom.net
Turning coffee into software since 1990.
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