From: David Miller <davem@davemloft.net>
To: sparclinux@vger.kernel.org
Subject: Re: O_DIRECT produces wrong output on sparc
Date: Sun, 06 Jul 2008 22:51:11 +0000 [thread overview]
Message-ID: <20080706.155111.13159871.davem@davemloft.net> (raw)
In-Reply-To: <20080706221607.GA14571@palantir8>
From: Martin Habets <errandir_news@mph.eclipse.co.uk>
Date: Sun, 6 Jul 2008 23:16:07 +0100
> Most of the LTP tests on direct IO fail on my sparc32 machines.
> I've testing on ext3 and ext2 filesystems, on SS10 and SS20, on 2.6.26-rc6
> and on 2.6.21. All these use the esp driver.
It's almost certainly cache coherency issues.
A missing flush_dcache_page() somewhere.
prev parent reply other threads:[~2008-07-06 22:51 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-06 22:16 O_DIRECT produces wrong output on sparc Martin Habets
2008-07-06 22:51 ` David Miller [this message]
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