Revision 9b4fe5fb0bdd8f31f24cbfe77e38ec8155c250c5 authored by Neil Horman on 12 July 2013, 17:35:33 UTC, committed by David S. Miller on 12 July 2013, 23:28:02 UTC
this bug: https://bugzilla.redhat.com/show_bug.cgi?id=951695 Reported a dma debug backtrace: WARNING: at lib/dma-debug.c:937 check_unmap+0x47d/0x930() Hardware name: To Be Filled By O.E.M. via-rhine 0000:00:12.0: DMA-API: device driver failed to check map error[device address=0x0000000075a837b2] [size=90 bytes] [mapped as single] Modules linked in: ip6_tables gspca_spca561 gspca_main videodev media snd_hda_codec_realtek snd_hda_intel i2c_viapro snd_hda_codec snd_hwdep snd_seq ppdev mperf via_rhine coretemp snd_pcm mii microcode snd_page_alloc snd_timer snd_mpu401 snd_mpu401_uart snd_rawmidi snd_seq_device snd soundcore parport_pc parport shpchp ata_generic pata_acpi radeon i2c_algo_bit drm_kms_helper ttm drm pata_via sata_via i2c_core uinput Pid: 295, comm: systemd-journal Not tainted 3.9.0-0.rc6.git2.1.fc20.x86_64 #1 Call Trace: <IRQ> [<ffffffff81068dd0>] warn_slowpath_common+0x70/0xa0 [<ffffffff81068e4c>] warn_slowpath_fmt+0x4c/0x50 [<ffffffff8137ec6d>] check_unmap+0x47d/0x930 [<ffffffff810ace9f>] ? local_clock+0x5f/0x70 [<ffffffff8137f17f>] debug_dma_unmap_page+0x5f/0x70 [<ffffffffa0225edc>] ? rhine_ack_events.isra.14+0x3c/0x50 [via_rhine] [<ffffffffa02275f8>] rhine_napipoll+0x1d8/0xd80 [via_rhine] [<ffffffff815d3d51>] ? net_rx_action+0xa1/0x380 [<ffffffff815d3e22>] net_rx_action+0x172/0x380 [<ffffffff8107345f>] __do_softirq+0xff/0x400 [<ffffffff81073925>] irq_exit+0xb5/0xc0 [<ffffffff81724cd6>] do_IRQ+0x56/0xc0 [<ffffffff81719ff2>] common_interrupt+0x72/0x72 <EOI> [<ffffffff8170ff57>] ? __slab_alloc+0x4c2/0x526 [<ffffffff811992e0>] ? mmap_region+0x2b0/0x5a0 [<ffffffff810d5807>] ? __lock_is_held+0x57/0x80 [<ffffffff811992e0>] ? mmap_region+0x2b0/0x5a0 [<ffffffff811bf1bf>] kmem_cache_alloc+0x2df/0x360 [<ffffffff811992e0>] mmap_region+0x2b0/0x5a0 [<ffffffff811998e6>] do_mmap_pgoff+0x316/0x3d0 [<ffffffff81183ca0>] vm_mmap_pgoff+0x90/0xc0 [<ffffffff81197d6c>] sys_mmap_pgoff+0x4c/0x190 [<ffffffff81367d7e>] ? trace_hardirqs_on_thunk+0x3a/0x3f [<ffffffff8101eb42>] sys_mmap+0x22/0x30 [<ffffffff81722fd9>] system_call_fastpath+0x16/0x1b Usual problem with the usual fix, add the appropriate calls to dma_mapping_error where appropriate Untested, as I don't have hardware, but its pretty straightforward Signed-off-by: Neil Horman <nhorman@tuxdriver.com> CC: David S. Miller <davem@davemloft.net> CC: Roger Luethi <rl@hellgate.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
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| File | Mode | Size |
|---|---|---|
| Kconfig | -rw-r--r-- | 16.6 KB |
| Kconfig.debug | -rw-r--r-- | 1015 bytes |
| Makefile | -rw-r--r-- | 2.0 KB |
| backing-dev.c | -rw-r--r-- | 16.4 KB |
| balloon_compaction.c | -rw-r--r-- | 9.6 KB |
| bootmem.c | -rw-r--r-- | 20.8 KB |
| bounce.c | -rw-r--r-- | 6.4 KB |
| cleancache.c | -rw-r--r-- | 12.7 KB |
| compaction.c | -rw-r--r-- | 32.3 KB |
| debug-pagealloc.c | -rw-r--r-- | 2.1 KB |
| dmapool.c | -rw-r--r-- | 13.1 KB |
| fadvise.c | -rw-r--r-- | 3.6 KB |
| failslab.c | -rw-r--r-- | 1.3 KB |
| filemap.c | -rw-r--r-- | 67.7 KB |
| filemap_xip.c | -rw-r--r-- | 11.3 KB |
| fremap.c | -rw-r--r-- | 6.6 KB |
| frontswap.c | -rw-r--r-- | 13.5 KB |
| highmem.c | -rw-r--r-- | 9.9 KB |
| huge_memory.c | -rw-r--r-- | 73.7 KB |
| hugetlb.c | -rw-r--r-- | 88.9 KB |
| hugetlb_cgroup.c | -rw-r--r-- | 10.7 KB |
| hwpoison-inject.c | -rw-r--r-- | 3.3 KB |
| init-mm.c | -rw-r--r-- | 619 bytes |
| internal.h | -rw-r--r-- | 11.1 KB |
| interval_tree.c | -rw-r--r-- | 3.2 KB |
| kmemcheck.c | -rw-r--r-- | 2.8 KB |
| kmemleak-test.c | -rw-r--r-- | 3.3 KB |
| kmemleak.c | -rw-r--r-- | 52.4 KB |
| ksm.c | -rw-r--r-- | 65.9 KB |
| maccess.c | -rw-r--r-- | 1.6 KB |
| madvise.c | -rw-r--r-- | 14.1 KB |
| memblock.c | -rw-r--r-- | 29.6 KB |
| memcontrol.c | -rw-r--r-- | 185.6 KB |
| memory-failure.c | -rw-r--r-- | 44.8 KB |
| memory.c | -rw-r--r-- | 115.8 KB |
| memory_hotplug.c | -rw-r--r-- | 45.5 KB |
| mempolicy.c | -rw-r--r-- | 71.3 KB |
| mempool.c | -rw-r--r-- | 10.5 KB |
| migrate.c | -rw-r--r-- | 44.3 KB |
| mincore.c | -rw-r--r-- | 7.8 KB |
| mlock.c | -rw-r--r-- | 14.8 KB |
| mm_init.c | -rw-r--r-- | 5.0 KB |
| mmap.c | -rw-r--r-- | 86.6 KB |
| mmu_context.c | -rw-r--r-- | 1.2 KB |
| mmu_notifier.c | -rw-r--r-- | 9.5 KB |
| mmzone.c | -rw-r--r-- | 2.4 KB |
| mprotect.c | -rw-r--r-- | 10.2 KB |
| mremap.c | -rw-r--r-- | 14.4 KB |
| msync.c | -rw-r--r-- | 2.4 KB |
| nobootmem.c | -rw-r--r-- | 10.9 KB |
| nommu.c | -rw-r--r-- | 53.2 KB |
| oom_kill.c | -rw-r--r-- | 19.5 KB |
| page-writeback.c | -rw-r--r-- | 69.9 KB |
| page_alloc.c | -rw-r--r-- | 176.6 KB |
| page_cgroup.c | -rw-r--r-- | 11.9 KB |
| page_io.c | -rw-r--r-- | 8.9 KB |
| page_isolation.c | -rw-r--r-- | 7.0 KB |
| pagewalk.c | -rw-r--r-- | 5.9 KB |
| percpu-km.c | -rw-r--r-- | 2.8 KB |
| percpu-vm.c | -rw-r--r-- | 12.9 KB |
| percpu.c | -rw-r--r-- | 57.1 KB |
| pgtable-generic.c | -rw-r--r-- | 4.6 KB |
| process_vm_access.c | -rw-r--r-- | 13.2 KB |
| quicklist.c | -rw-r--r-- | 2.4 KB |
| readahead.c | -rw-r--r-- | 15.9 KB |
| rmap.c | -rw-r--r-- | 50.5 KB |
| shmem.c | -rw-r--r-- | 77.8 KB |
| slab.c | -rw-r--r-- | 114.3 KB |
| slab.h | -rw-r--r-- | 7.2 KB |
| slab_common.c | -rw-r--r-- | 15.0 KB |
| slob.c | -rw-r--r-- | 15.3 KB |
| slub.c | -rw-r--r-- | 126.1 KB |
| sparse-vmemmap.c | -rw-r--r-- | 5.9 KB |
| sparse.c | -rw-r--r-- | 21.4 KB |
| swap.c | -rw-r--r-- | 24.3 KB |
| swap_state.c | -rw-r--r-- | 11.4 KB |
| swapfile.c | -rw-r--r-- | 66.9 KB |
| truncate.c | -rw-r--r-- | 19.6 KB |
| util.c | -rw-r--r-- | 9.6 KB |
| vmalloc.c | -rw-r--r-- | 67.9 KB |
| vmpressure.c | -rw-r--r-- | 11.5 KB |
| vmscan.c | -rw-r--r-- | 105.9 KB |
| vmstat.c | -rw-r--r-- | 33.9 KB |
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