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Date: Tue, 8 Jan 2008 13:52:40 +0700
From: Eugene Grosbein <eugen@kuzbass.ru>
To: Adrian Wontroba <aw1@stade.co.uk>, freebsd-stable@freebsd.org
Message-ID: <20080108065240.GA11135@svzserv.kemerovo.su>
References: <20080108030857.GA93021@steerpike.hanley.stade.co.uk>
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Subject: Re: RELENG7 using lpt causes panic
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On Tue, Jan 08, 2008 at 03:08:57AM +0000, Adrian Wontroba wrote:

> I've recently switched some of my home systems to RELENG7.
> 
> All seemed fairly well until I tried printing a CUPS test page on my
> backup and print server to an elderly Laserjet IIIp, where I seem to
> have a reproducible panic. It has happened twice.  This is painful, as
> I have a big home fileystem (striped over two mirrors over most of two
> 500 GB disks). The gmirror syncronisation and background fsck leave the
> system close to unusable for hours while they fight over the disks.
> 
> I was somewhat startled that something so basic as printing causes a
> panic. There have been no hardware changes since I last printed under
> RELENG6, but I don't print often, so hardware decay is a possibility.
> 
> Is this a known problem? If not, I'll take the time to try various tests
> (with /home unmounted) and raise a PR.

There is a PR about this problem with workaround:
http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/117973

Eugene Grosbein