On Sun, Aug 05, Stefan Richter wrote: > Benjamin Herrenschmidt wrote: > >>> If setting 32-bit DMA mask fails on ppc64, that sounds like a problem > >>> with the DMA implementation on that architecture. There are enough cards > >>> out there that only support 32-bit DMA that this really needs to work.. > >> Yes, could the PPC folks please have a look at it? Thanks. > > > > Smells like we may have a bug there. No worries though, all current PPC > > machines have an iommu that will not give out addresses above 32 bits > > anyway, but I'll double check what's up. > > > > Do you see something in dmesg when that happens ? > > There was nothing in Olaf's report, except for trouble in sbp2 _after_ > the failure. http://lkml.org/lkml/2007/8/1/344 (I don't have a PMac.)
sbp2util_remove_command_orb_pool() does not check for lu->hi being NULL. dev->dma_mask is NULL too, thats why dma_direct_dma_supported() returns false, and dma_set_mask() will return -EIO. - 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/
