On Fri, Jun 12, 2009 at 04:51:01PM +0200, Torsten Kaiser wrote: > On Fri, Jun 12, 2009 at 4:13 PM, Joerg Roedel<joerg.roedel@xxxxxxx> wrote: > > On Thu, Jun 11, 2009 at 07:38:47PM +0200, Torsten Kaiser wrote: > >> DMA-API: device driver tries to free DM > >> A memory it has not allocated [device address=0x000000011e4c3000] > >> [size=4096 bytes] > > > > Hmm, looking again over the code I've seen that the ref > > dma_debug_entries are not alway filled with all necessary information > > for best-fit. Can you please try if you still get false warnings when > > you apply the two patches attached instead of the one I sent yesterday? > > Hmm... There isn't a get_nr_mapped_entries() in 2.6.30. > Are these patches again the current linus tree? Indeed. These patches are against tip/core/iommu but should also apply against current linus/master too. > For unfilled information I wanted to complain that for non-sg mapping > sg_call_ents never gets filled. But as dma_entry_alloc() does a > memset() to clean the entrys it should not matter. > And what about dma_debug_entry.paddr? Should this also be compared? paddr shouldn't matter. We also can't compare against it because it is not a parameter we get in the unmap path (not always). Joerg -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
