Messages in this thread | | | Date | Sat, 17 Sep 2005 23:45:19 -0700 (PDT) | Subject | Re: [2.6.14-rc1/sparc54]: BUG: soft lockup detected on CPU#0! | From | "David S. Miller" <> |
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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. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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