Messages in this thread | | | Date | Sat, 30 Sep 2006 12:34:21 +0300 | From | Muli Ben-Yehuda <> | Subject | Re: [PATCH] x86[-64] PCI domain support |
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On Fri, Sep 29, 2006 at 02:31:16AM +0300, Muli Ben-Yehuda wrote: > On Thu, Sep 28, 2006 at 07:03:28PM -0400, Jeff Garzik wrote: > > > hmmmm. What kernels did you test? > > mainline as of today + several unrelated Calgary patches I'll post > shortly + your PCI domains patch + my Calgary patch. I'll test with > iommu=off next. > > > That should narrow down the problems. A problem with aic94xx sorta > > sounds like something unrelated. > > Not necessarily - Calgary is an isolating IOMMU, meaning that if we > set up a mapping for aic94xx in the wrong IO space due to a Calgary > bug, aic94xx will fall over and die. Usually however this happens a > lot sooner. Also, we have code in Calgary to detect when an errant DMA > happens and it hasn't triggered in this case.
Ok, turns out it's neither a PCI domains nor Calgary issue, since I can reproduce it on mainline with iommu=off. Must be an aic94xx issue, I'll send the details to linux-scsi in a bit.
Cheers, Muli - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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