Re: 9.1-stable: ATI IXP600 AHCI: CAM timeout

2013-06-04 Thread Alexander Motin
On 03.06.2013 23:22, Jeremy Chadwick wrote: On Mon, Jun 03, 2013 at 03:06:53PM +0100, Mike Pumford wrote: Ian Lepore wrote: On Wed, 2013-05-29 at 16:21 +0200, Oliver Fromme wrote: Steven Hartland wrote: Have you checked your sata cables and psu outputs? Both of these could be the

Re: 9.1-stable: ATI IXP600 AHCI: CAM timeout

2013-06-03 Thread Mike Pumford
Ian Lepore wrote: On Wed, 2013-05-29 at 16:21 +0200, Oliver Fromme wrote: Steven Hartland wrote: Have you checked your sata cables and psu outputs? Both of these could be the underlying cause of poor signalling. I can't easily check that because it is a cheap rented server in a remote

Re: 9.1-stable: ATI IXP600 AHCI: CAM timeout

2013-06-03 Thread Jeremy Chadwick
On Mon, Jun 03, 2013 at 03:06:53PM +0100, Mike Pumford wrote: Ian Lepore wrote: On Wed, 2013-05-29 at 16:21 +0200, Oliver Fromme wrote: Steven Hartland wrote: Have you checked your sata cables and psu outputs? Both of these could be the underlying cause of poor signalling. I

9.1-stable: ATI IXP600 AHCI: CAM timeout

2013-05-29 Thread Oliver Fromme
Hi, Yesterday I have downloaded the latest 9.1 snapshot (May 15th) from ftp.freebsd.org and installed it on a machine that was previously running Linux. It works fine, except that I get many the following when there is heavy disk I/O, e.g. when building world or ports: ahcich0: Timeout on slot

Re: 9.1-stable: ATI IXP600 AHCI: CAM timeout

2013-05-29 Thread Oliver Fromme
Now I have some more information ... The problem disappears when I disable NCQ, i.e. set the number of tags to 1 with camcontrol. Using binary search I found out that the problem also disappears with 2 tags, but with 3 tags I get the same amout of errors as with the default of 32 tags.

Re: 9.1-stable: ATI IXP600 AHCI: CAM timeout

2013-05-29 Thread Steven Hartland
Have you checked your sata cables and psu outputs? Both of these could be the underlying cause of poor signalling. - Original Message - From: Oliver Fromme o...@lurza.secnetix.de To: freebsd-stable@FreeBSD.ORG Sent: Wednesday, May 29, 2013 2:05 PM Subject: Re: 9.1-stable: ATI IXP600

Re: 9.1-stable: ATI IXP600 AHCI: CAM timeout

2013-05-29 Thread Oliver Fromme
Steven Hartland wrote: Have you checked your sata cables and psu outputs? Both of these could be the underlying cause of poor signalling. I can't easily check that because it is a cheap rented server in a remote location. But I don't believe it is bad cabling or PSU anyway, or otherwise

Re: 9.1-stable: ATI IXP600 AHCI: CAM timeout

2013-05-29 Thread Ian Lepore
On Wed, 2013-05-29 at 16:21 +0200, Oliver Fromme wrote: Steven Hartland wrote: Have you checked your sata cables and psu outputs? Both of these could be the underlying cause of poor signalling. I can't easily check that because it is a cheap rented server in a remote location.

Re: 9.1-stable: ATI IXP600 AHCI: CAM timeout

2013-05-29 Thread Oliver Fromme
Ian Lepore wrote: On Wed, 2013-05-29 at 16:21 +0200, Oliver Fromme wrote: Steven Hartland wrote: Have you checked your sata cables and psu outputs? Both of these could be the underlying cause of poor signalling. I can't easily check that because it is a cheap rented

Re: 9.1-stable: ATI IXP600 AHCI: CAM timeout

2013-05-29 Thread Adam McDougall
On 05/29/13 10:21, Oliver Fromme wrote: Steven Hartland wrote: Have you checked your sata cables and psu outputs? Both of these could be the underlying cause of poor signalling. I can't easily check that because it is a cheap rented server in a remote location. But I don't

Re: 9.1-stable: ATI IXP600 AHCI: CAM timeout

2013-05-29 Thread Jeremy Chadwick
On Wed, May 29, 2013 at 10:09:14AM +0200, Oliver Fromme wrote: Hi, Yesterday I have downloaded the latest 9.1 snapshot (May 15th) from ftp.freebsd.org and installed it on a machine that was previously running Linux. It works fine, except that I get many the following when there is heavy