Date: Wed, 1 Dec 2004 14:35:46 +1100 (EST) From: Christopher Vance <christopher@nu.org> To: freebsd-stable@freebsd.org Subject: FAILURE - WRITE_DMA timed out Message-ID: <200412010335.iB13ZkC6064636@anembo.nu.org>
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When I use SATA disks heavily on a 5.3-R machine (Athlon) with the SiI3512 disk controller, I get frequent (sometimes one every 1-5 minutes) WRITE_DMA timed out messages (with different blocks and both disks). It also panics with more than one kind of panic, and sometimes doesn't even get to finish the background fsck from the previous panic before dying again. Given that both disks get the WRITE_DMA messages, and the one with the OS on didn't have any problems when used with a VIA controller in a different machine, I tend to think it's either the controller or the software driving it. Would I have any joy upgrading along 5-STABLE, perhaps after I move the disk back to the machine that works, or won't that make any difference? (As in, are there any relevant ata changes since then?) I've already tried setting both hw.ata.ata_dma and hw.ata.wc to 0, but I still get these timeouts. -- Frustrated in Sydney
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