misc/77163: File cache gets corrupted, system randomly hangs, sometimes with disk corruption

[David Malone]

The following reply was made to PR kern/77163; it has been noted by GNATS.

From: David Malone <dwmalone at maths.tcd.ie>
To: Yuri <yuri at tsoft.com>
Cc: freebsd-gnats-submit at FreeBSD.org
Subject: Re: misc/77163: File cache gets corrupted, system randomly hangs, sometimes with disk corruption
Date: Sun, 6 Feb 2005 17:19:05 +0000

 On Sun, Feb 06, 2005 at 10:25:35AM +0000, Yuri wrote:
 > Difference in copy of file coming from CD to my mind is telling that it's not HD hardware.
 > And it's not memory: I've ran each of two 512MB memory cards separately -- happens on both of them.
 > 
 > Looks like someone in kernel does a bad write in the memory.
 
 We saw a problem like this once and it was the disk controler fault,
 sometimes it wouldn't finish the DMA of data into memory.
 
 	David.