Re: Panic 8.2 PRERELEASE WRITE_DMA48

2011-01-09 Thread Jeremy Chadwick
On Mon, Jan 10, 2011 at 07:13:57AM +0100, Tom Vijlbrief wrote: > 2011/1/9 Jeremy Chadwick : > > > > > Not to get off topic, but what is causing this?  It looks like you have > > a cron job or something very aggressive doing a "smartctl -t short > > /dev/ad4" or equivalent.  If you have such, pleas

Re: Panic 8.2 PRERELEASE WRITE_DMA48

2011-01-09 Thread Tom Vijlbrief
2011/1/9 Jeremy Chadwick : > > Not to get off topic, but what is causing this?  It looks like you have > a cron job or something very aggressive doing a "smartctl -t short > /dev/ad4" or equivalent.  If you have such, please disable this > immediately.  You shouldn't be doing SMART tests with such

Re: Panic 8.2 PRERELEASE WRITE_DMA48

2011-01-09 Thread Tom Vijlbrief
2011/1/9 Jeremy Chadwick : > > I'm sorry, I gave you incorrect advice; I'm used to Intel controllers > with AHCI, not Silicon Image controllers.  Silicon Image controllers > have their own driver: siis(4). > > Please change ahci_load="yes" to siis_load="yes". > Tried it, but no change, the siis d

Re: Panic 8.2 PRERELEASE WRITE_DMA48

2011-01-09 Thread Jeremy Chadwick
On Sun, Jan 09, 2011 at 09:02:16PM +0100, Tom Vijlbrief wrote: > 2011/1/9 Jeremy Chadwick : > > > > > errno 6 is "device not configured".  ad4 is on a Silicon Image > > controller (thankfully a reliable model).  Sadly AHCI (ahci.ko) isn't in > > use here; I would advocate switching to it (your dev

Re: Panic 8.2 PRERELEASE WRITE_DMA48

2011-01-09 Thread Tom Vijlbrief
2011/1/9 Jeremy Chadwick : > > errno 6 is "device not configured".  ad4 is on a Silicon Image > controller (thankfully a reliable model).  Sadly AHCI (ahci.ko) isn't in > use here; I would advocate switching to it (your device names will > change however) and see if these errors continue (they'll

Re: Panic 8.2 PRERELEASE WRITE_DMA48

2011-01-09 Thread Jeremy Chadwick
On Sun, Jan 09, 2011 at 04:41:43PM +0100, Tom Vijlbrief wrote: > I've run many fscks on /usr in single user because I had soft update > inconsistencies, > no DMA errors during those repairs. There's no 1:1 ratio between running fsck on a filesystem and seeing a DMA error. I should explain what I

Re: Panic 8.2 PRERELEASE WRITE_DMA48

2011-01-09 Thread Tom Vijlbrief
I've run many fscks on /usr in single user because I had soft update inconsistencies, no DMA errors during those repairs. smartctl 5.40 2010-10-16 r3189 [FreeBSD 8.2-PRERELEASE i386] (local build) Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net === START OF INFORMATION

Re: Panic 8.2 PRERELEASE WRITE_DMA48

2011-01-09 Thread Jeremy Chadwick
On Sun, Jan 09, 2011 at 12:33:10PM +0100, Tom Vijlbrief wrote: > The last half year I've been installing FreeBSD on several machines. > > I installed it on my main desktop system a few weeks ago which > normally runs Linux, but I get this panic under heavy disk I/O. > > It even happened during th