On Tue, Apr 03, 2007 at 12:37:09AM +0200, Andi Kleen wrote: > On Tuesday 03 April 2007 00:29:16 dann frazier wrote: > > hey Andi, > > Debian is looking at patching our kernel to disable the hw iommu on > > nvidia chipsets for the data corruption bug that's been discussed on > > lkml[1]. > > It would be better if you waited until the official solution. The > hardware debugging people are working on it. You'll likely get more > problems out of swiotlb because the defaults are too small for high > loads. > > > As far as I can tell there isn't an upstream solution yet, but > > Steve Langasek has proposed the following patch which seems to work > > for one of our users. Would you mind taking a look at it and see if > > you can pick out any obvious problems? > > You got at least one off by one bug. And SWIOTLB cannot be undefined > with CONFIG_IOMMU so the nested ifdef is useless.
Because of where we are in the release cycle we will have to wait a little while anyway before we can do an update - hopefully the hw guys will have had some success by then. Thanks for the quick review! -- dann frazier -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
