Re: DMA problems

2005-07-09 Thread Benjamin Herrenschmidt
> Given that it doesn't exhibit such problems under MacOS X (AFAICT, at > least), how do I go about diagnosing/fixing the problem? I think I have a > spare IDE cable I could swap in, but it seems really weird that there would > be issues under Linux that are not there under OSX. Indeed. The drive

Re: DMA problems

2005-07-09 Thread Gregory Seidman
On Sat, Jul 09, 2005 at 11:44:32AM +1000, Benjamin Herrenschmidt wrote: } On Fri, 2005-07-08 at 21:34 -0400, Gregory Seidman wrote: } > On Fri, Jul 08, 2005 at 10:22:21PM +0100, David Pye wrote: } > } On Friday 08 July 2005 16:30, Gregory Seidman wrote: } > } > I can't get DMA working at all on my

Re: DMA problems

2005-07-08 Thread Benjamin Herrenschmidt
On Fri, 2005-07-08 at 21:34 -0400, Gregory Seidman wrote: > On Fri, Jul 08, 2005 at 10:22:21PM +0100, David Pye wrote: > } On Friday 08 July 2005 16:30, Gregory Seidman wrote: > } > I can't get DMA working at all on my dual G4 tower. When I try to turn it > } > on with hdparm (hdparm -d1 /dev/hda)

Re: DMA problems

2005-07-08 Thread Gregory Seidman
On Fri, Jul 08, 2005 at 10:22:21PM +0100, David Pye wrote: } On Friday 08 July 2005 16:30, Gregory Seidman wrote: } > I can't get DMA working at all on my dual G4 tower. When I try to turn it } > on with hdparm (hdparm -d1 /dev/hda) I get errors on the console and it } > gets turned off again. Is t

Re: DMA problems

2005-07-08 Thread David Pye
On Friday 08 July 2005 16:30, Gregory Seidman wrote: > I can't get DMA working at all on my dual G4 tower. When I try to turn it > on with hdparm (hdparm -d1 /dev/hda) I get errors on the console and it > gets turned off again. Is there some module I should have loaded? This is > really distressing

DMA problems

2005-07-08 Thread Gregory Seidman
I can't get DMA working at all on my dual G4 tower. When I try to turn it on with hdparm (hdparm -d1 /dev/hda) I get errors on the console and it gets turned off again. Is there some module I should have loaded? This is really distressing; my swap partition is on this non-DMA drive, so things get V