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From: "David S. Miller" <davem@davemloft.net>
To: kloczek@rudy.mif.pg.gda.pl
Cc: davem@redhat.com, linux-kernel@vger.kernel.org,
	sparclinux@vger.kernel.org,
	aurora-sparc-devel@lists.auroralinux.org
Subject: Re: [2.6.14-rc1/sparc54]: BUG: soft lockup detected on CPU#0!
Date: Sat, 17 Sep 2005 23:45:19 -0700 (PDT)	[thread overview]
Message-ID: <20050917.234519.130676096.davem@davemloft.net> (raw)
In-Reply-To: <Pine.BSO.4.62.0509171945280.5000@rudy.mif.pg.gda.pl>

From: Tomasz Kłoczko <kloczek@rudy.mif.pg.gda.pl>
Date: Sat, 17 Sep 2005 19:49:17 +0200 (CEST)

> Something new.
> I'm just finish rewrite backup procedure from dumping to NFS volume to
> using piped dump|ssh|dd.
> During this happens:
> 
> PSYCHO0: Uncorrectable Error, primary error type[DMA Write]
> PSYCHO0: bytemask[0000] dword_offset[7] UPA_MID[1f] was_block(1)
> PSYCHO0: UE AFAR [000000005c8bc040]
> PSYCHO0: UE Secondary errors [(DMA Write)]
> PSYCHO0: IOMMU Error, type[Protection Error]

A driver unmapped a DMA area while the device is still
accessing it.  If you're still using the cassini card,
it's driver is the most likely suspect.

      reply	other threads:[~2005-09-18  6:45 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-09-15 17:40 Tomasz Kłoczko
2005-09-15 20:30 ` David S. Miller
2005-09-15 20:36   ` Jima
2005-09-16 12:42   ` Tomasz Kłoczko
2005-09-16 19:57     ` David S. Miller
2005-09-16 19:59     ` David S. Miller
2005-09-17 15:22       ` Tomasz Kłoczko
2005-09-17 17:49         ` Tomasz Kłoczko
2005-09-18  6:45           ` David S. Miller [this message]

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