Date: Sat, 11 Dec 1999 12:02:22 -0500 (EST) From: Andrew Gallatin <gallatin@cs.duke.edu> To: <joeo@nks.net> Cc: freebsd-current@freebsd.org Subject: Re: Errors from the ata disk driver Message-ID: <14418.32732.945550.170250@grasshopper.cs.duke.edu> In-Reply-To: <Pine.LNX.4.10.9912110942440.13788-100000@homer.mkintl.com> References: <Pine.LNX.4.10.9912110942440.13788-100000@homer.mkintl.com>
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joeo@nks.net writes: > I've got a striped vinum partition that is occasionally going stale when > I get spurrious errors from the ata driver. > > I can setstate the drives and the volume back up and an fsck of the > partition doesn't show any obvious corruption. > > What do these errors indicate? > > ad5: status=51 error=84 > ad_interrupt: hard error > vinum0.p0.s3: fatal read I/O error > ad6: status=51 error=84 > ad_interrupt: hard error > vinum0.p0.s4: fatal read I/O error > > These drives are hanging off this controller; > ata-pci1: <Promise Ultra/33 IDE controller> irq 9 at device 9.0 on pci0 > ata-pci1: Busmastering DMA supported These are UDMA CRC errors. Whatever you do, DO NOT upgrade to a recent current without reading the ata driver's commit logs very carefully. The ata-driver has recently grown recovery code where it will try to back down to PIO mode to fetch such blocks. As recently as last week, the ata driver would lock a machine solid (unpingable, reset or power-cycle required) when attempting to back down to PIO mode when the drive in question was attached to a Promise Ultra controller. Soren knows about the problem & is going to fix it. ------------------------------------------------------------------------------ Andrew Gallatin, Sr Systems Programmer http://www.cs.duke.edu/~gallatin Duke University Email: gallatin@cs.duke.edu Department of Computer Science Phone: (919) 660-6590 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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