At Sat, 18 Aug 2007 21:03:25 +0200, Andi Kleen wrote: > > > Considering that the oops comes from this: > > > > /* Kludge to make it bug-to-bug compatible with i386. i386 > > uses the normal dma_mask for alloc_coherent. */ > > dma_mask &= *dev->dma_mask; > > > > > and that that code is *old*, and comes from when this file was called > > arch/x86_64/kernel/pci-gart.c, and the comment doesn't seem to even be > > It might be outdated or it might now. The kludge was needed for Alsa because > old > i386 ignored the consistent mask and they didn't always set it correctly, but > that > should be obsolete now? I'm not quite sure because sound devices > are not always well tested on large memory systems which are the only > ones who show this problem. Takashi, do you know if all alsa drivers > set consistent mask correctly now?
Yes, ALSA driver set both masks from the very beginning :) There are some OSS drivers still calling only pci_set_dma_mask(). Through a quick look, maybe only trident.c needs a fix because it uses a mask < 32bit for ALI devices. Others use 32bit DMA mask. Takashi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
