Re: Lockups with Intel ICH5 SATA

From: David Schultz <das_at_FreeBSD.ORG>
Date: Thu, 20 May 2004 21:10:59 -0700
On Thu, May 20, 2004, Tony Byrne wrote:
> In recent weeks my FreeBSD current box has been experiencing frequent
> hard lockups.  Seldom a day goes by without the machine freezing
> solid.  My hunch is that this is somehow related to the onboard Intel
> ICH5 controller and SATA HD, because during reboot after a lockup,
> the machine often complain of a DMA timeout that hangs the box
> while reading from the SATA drive.

I see this as well with two identical SATA drives on an Intel
875PBZ motherboard.  The drives last worked reliably with sources
just prior to 5.2-RELEASE, and prior to that, just shortly before
5.0-RELEASE.  (Notice a pattern? ;) )  You may want to try older
sources.  Also, I have had good luck with Doug Ambrisko's ATA
patches, although I haven't tried to investigate which part of the
patch fixes the problem.

If I have some time this summer, I'll try to deconstruct one of
Soeren's mega-commits to figure out exactly what change broke the
ATA driver for my hardware.  Unfortunately, I usually get disk
corruption when the machine locks up, so the problem is painful to
reproduce.
Received on Thu May 20 2004 - 19:12:39 UTC

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