Date: Wed, 31 Dec 2003 03:37:00 -0700 From: Scott Long <scottl@freebsd.org> To: Stefan Ehmann <shoesoft@gmx.net> Cc: current@FreeBSD.org Subject: Re: page fault panic tracked down (selwakeuppri()) Message-ID: <3FF2A6CC.9010207@freebsd.org> In-Reply-To: <1072805308.1349.13.camel@shoeserv.freebsd> References: <1072618904.757.12.camel@shoeserv.freebsd> <20031230173151.M6634@gamplex.bde.org> <1072794615.775.4.camel@shoeserv.freebsd> <20031231031218.N1268@gamplex.bde.org> <1072805308.1349.13.camel@shoeserv.freebsd>
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Stefan Ehmann wrote: > On Tue, 2003-12-30 at 17:20, Bruce Evans wrote: > >>On Tue, 30 Dec 2003, Stefan Ehmann wrote: >> >> >>>On Tue, 2003-12-30 at 07:56, Bruce Evans wrote: >>> >>>>I have farily large patches which do buffering in ext2fs in a different >>>>way so that the 2003/08/28 changes are irrelevant. I will send these >>>>in private mail. >>> >>>Applied the patches and rebuilt kernel. Unfortunately I got the same >>>panic after 2 hours. >> >>At least it's easy to duplicate, and another possible cause is ruled out. >> >>Do you do anything special with ext2fs or have a special configuration? > > On this partition my music collection is stored. Normally I run cplay > (CLI music player) in shuffle mode. So there is a low but constant load > on the drive. I'm not sure about this, but at least sometimes the panics > seems to happen immediately after a new file is opened. > > The only special thing I can think about is that I created it with the > largefile4 (one inode per 4 megabytes) option in knoppix. As I mentioned > above it is mounted read-only. > > >>It should be easy to turn off the selwakeuppri() chnages by editing a >>line or two of selwakeuppri(). From sys_generic.c: > > > Thanks. So I can (hopefully) run a recent CURRENT somewhat stable at > least until this is resolved. > Does Bruce's hack actually work for you? I'm trying to decide on whether to make this a show-stopper for the 5.2 release. Scott
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