Date: Mon, 11 Dec 2000 01:11:19 +0100 From: Philipp Mergenthaler <un1i@rz.uni-karlsruhe.de> To: Matt Dillon <dillon@earth.backplane.com> Cc: current@freebsd.org Subject: Re: fix for pageout_flush panic (was Re: panic: vm_pageout_flush: partially dirty page) Message-ID: <20001211011119.B21036@rz.uni-karlsruhe.de> In-Reply-To: <200012102334.eBANYWm87853@earth.backplane.com>; from dillon@earth.backplane.com on Sun, Dec 10, 2000 at 03:34:32PM -0800 References: <20001210033546.A13896@rz.uni-karlsruhe.de> <200012102334.eBANYWm87853@earth.backplane.com>
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On Sun, Dec 10, 2000 at 03:34:32PM -0800, Matt Dillon wrote:
> :ever since this commit: ...
> :
> :dillon 2000/11/18 15:06:27 PST
> :
> : Modified files:
> : sys/kern vfs_bio.c vfs_cluster.c vfs_subr.c
>
> Hmm. Very odd. It's catching a fully valid file page which is
> marked partially dirty, less then a kilobyte in size, mapped
> into memory but not associated with a buffer. m->dirty is
> 0xFC (roughly equivalent to 3584 bytes, but the file is only 932
> bytes long.
/usr/local/news/etc#wc active
23 92 932 active
Innd does mmap the active file, but I don't know what it does with it.
I'll look at it; maybe I can construct a simpler example.
> I would recommend *NOT* using -current for a production news machine!!!!
Of course not, this is just a mini archive of my favourite newsgroups. :-)
> If you can repeat the problem under -stable (which has the same patch
> set), that will give me more of a base to work from.
Ok, I'll try that.
Bye, Philipp
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