From owner-freebsd-hackers@FreeBSD.ORG  Sun Oct 10 23:29:40 2004
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From: "Mikhail P." <miha@ghuug.org>
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Date: Sun, 10 Oct 2004 23:30:26 +0000
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Subject: Re: ad0: FAILURE - WRITE_DMA
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On Saturday 09 October 2004 17:01, Mikhail P. wrote:
> I also got another message off-list, where author suggested to play with
> UDMA values. I switched from UDMA100 to UDMA66. System's uptime is 12
> hours, and no timeouts so far.. but I'm quite sure they will get back in
> few days.

1.5 days of uptime, running in UDMA66 changes nothing. Still getting

ad0: FAILURE - READ_DMA status=51<READY,DSC,ERROR> error=10<NID_NOT_FOUND> 
LBA=268435455
ad0: FAILURE - READ_DMA status=51<READY,DSC,ERROR> error=10<NID_NOT_FOUND> 
LBA=268435455

regards,
M.