* xen DMA bug
@ 2006-03-14 2:02 Lee Revell
2006-03-14 3:51 ` Chris Wright
0 siblings, 1 reply; 2+ messages in thread
From: Lee Revell @ 2006-03-14 2:02 UTC (permalink / raw)
To: linux-kernel
An ALSA user has found a Xen bug where it fails to accept a 28 bit DMA
mask (pci_set_dma_mask(pci, 0x0fffffff) < 0 ||
pci_set_consistent_dma_mask(pci, 0x0fffffff) < 0) fails:
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=1907
Lee
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: xen DMA bug
2006-03-14 2:02 xen DMA bug Lee Revell
@ 2006-03-14 3:51 ` Chris Wright
0 siblings, 0 replies; 2+ messages in thread
From: Chris Wright @ 2006-03-14 3:51 UTC (permalink / raw)
To: Lee Revell; +Cc: linux-kernel
* Lee Revell (rlrevell@joe-job.com) wrote:
> An ALSA user has found a Xen bug where it fails to accept a 28 bit DMA
> mask (pci_set_dma_mask(pci, 0x0fffffff) < 0 ||
> pci_set_consistent_dma_mask(pci, 0x0fffffff) < 0) fails:
>
> https://bugtrack.alsa-project.org/alsa-bug/view.php?id=1907
Likely swiotlb range is above the mask. I'd suggest to reporter to
file in the Fedora bugzilla under kernel-xen (with dmesg output).
thanks,
-chris
^ permalink raw reply [flat|nested] 2+ messages in thread
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