From: "Jeffrey E. Hundstad" <jeffrey.hundstad@mnsu.edu>
To: Steve Lord <lord@xfs.org>
Cc: Cahya Wirawan <cwirawan@email.archlab.tuwien.ac.at>,
linux-kernel@vger.kernel.org
Subject: Re: 4K stack kernel get Oops in Filesystem stress test
Date: Tue, 20 Jul 2004 09:39:21 -0500 [thread overview]
Message-ID: <40FD2E99.20707@mnsu.edu> (raw)
In-Reply-To: <40FD0A61.1040503@xfs.org>
Steve Lord wrote:
> Don't use 4K stacks and XFS. What you hit here is a path where the
> filesystem is getting full and it needs to free some reserved space
> by flushing cached data which is using reserved extents. Reserved
> extents do not yet have an on disk address and they include a
> reservation for the worst case metadata usage. Flushing them will
> get you room back.
>
> As you can see, it is a pretty deep call stack, most of XFS is going
> to work just fine with a 4K stack, but there are end cases like
> this one which will just not fit.
If this is a known truth with XFS maybe it would be a good idea to have
4K stacks and XFS be an impossible combination using the config tool.
--
jeffrey hundstad
next prev parent reply other threads:[~2004-07-20 14:42 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-20 11:44 4K stack kernel get Oops in Filesystem stress test Cahya Wirawan
2004-07-20 12:04 ` Steve Lord
2004-07-20 14:39 ` Jeffrey E. Hundstad [this message]
2004-07-20 19:50 ` [2.6 patch] let 4KSTACKS depend on EXPERIMENTAL and XFS on 4KSTACKS=n Adrian Bunk
2004-07-20 20:42 ` Chris Wedgwood
2004-07-20 20:50 ` Adrian Bunk
2004-07-20 20:58 ` Chris Wedgwood
2004-07-29 6:09 ` Nathan Scott
2004-07-29 11:42 ` Adrian Bunk
2004-07-29 11:46 ` Arjan van de Ven
2004-07-29 21:11 ` Adrian Bunk
2004-07-29 21:44 ` Chris Wedgwood
2004-07-29 22:30 ` [xfs-masters] " Nathan Scott
2004-08-01 19:02 ` [2.6 patch] let 4KSTACKS depend on EXPERIMENTAL Adrian Bunk
2004-07-29 15:42 ` [2.6 patch] let 4KSTACKS depend on EXPERIMENTAL and XFS on 4KSTACKS=n Mika Bostrom
2004-07-29 16:09 ` Zwane Mwaikambo
2004-07-29 16:36 ` [2.6 patch] let 4KSTACKS depend on EXPERIMENTAL and XFS on 4KSTACKS Mika Bostrom
2004-07-22 7:27 ` 4K stack kernel get Oops in Filesystem stress test Amon Ott
2004-07-29 2:14 ` Nathan Scott
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