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Red Hat Bugzilla – Attachment 144878 Details for
Bug 216961
[PATCH] No sound--ALSA audio drivers fail to load on boot of kernel-xen
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[patch]
Alternate fix to enable sound in kernel-xen (x86_64). Possibly safer than prior.
linux-2.6-x86_64-swiotlb_dma_supported.patch (text/plain), 678 bytes, created by
mcnster
on 2007-01-05 03:42:59 UTC
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Description:
Alternate fix to enable sound in kernel-xen (x86_64). Possibly safer than prior.
Filename:
MIME Type:
Creator:
mcnster
Created:
2007-01-05 03:42:59 UTC
Size:
678 bytes
patch
obsolete
>diff -Naur linux-2.6.18.x86_64.orig/arch/i386/kernel/swiotlb.c linux-2.6.18.x86_64/arch/i386/kernel/swiotlb.c >--- linux-2.6.18.x86_64.orig/arch/i386/kernel/swiotlb.c 2007-01-04 17:58:42.000000000 -0700 >+++ linux-2.6.18.x86_64/arch/i386/kernel/swiotlb.c 2007-01-04 18:13:53.000000000 -0700 >@@ -654,7 +654,10 @@ > int > swiotlb_dma_supported (struct device *hwdev, u64 mask) > { >- return (mask >= ((1UL << IO_TLB_DMA_BITS) - 1)); >+ /* Supported if supplied mask is wider than IO_TLB_DMA width??? >+ Ze tricorder mus' be broken... -- MCN 2007/01/04 */ >+ /* return (mask >= ((1UL << IO_TLB_DMA_BITS) - 1)); */ >+ return 1; > } > > EXPORT_SYMBOL(swiotlb_init);
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