Bug 951695 - via-rhine: WARNING: at lib/dma-debug.c:937 check_unmap+0x47d/0x930()
Summary: via-rhine: WARNING: at lib/dma-debug.c:937 check_unmap+0x47d/0x930()
Keywords:
Status: CLOSED NEXTRELEASE
Alias: None
Product: Fedora
Classification: Fedora
Component: kernel
Version: rawhide
Hardware: x86_64
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: Neil Horman
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: abrt_hash:3dc5401f41499e7f272dcc9e535...
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2013-04-12 20:26 UTC by hitman2
Modified: 2013-08-01 15:28 UTC (History)
5 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2013-08-01 15:28:09 UTC
Type: ---
Embargoed:

Attachments (Terms of Use)
File: dmesg (57.09 KB, text/plain)
2013-04-12 20:26 UTC, hitman2 		no flags Details
patch to fix dma warnings (1.52 KB, patch)
2013-05-01 19:07 UTC, Neil Horman 		no flags Details | Diff
View All

Description hitman2 2013-04-12 20:26:01 UTC 
Additional info:
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
Comment 1 hitman2 2013-04-12 20:26:05 UTC 
Created attachment 734939 [details]
File: dmesg
Comment 2 Neil Horman 2013-05-01 19:07:51 UTC 
Created attachment 742321 [details]
patch to fix dma warnings

Here, please test this patch out, it should solve your problem.
Comment 3 Neil Horman 2013-07-12 17:29:12 UTC 
ping, any feedback here?
Comment 4 Neil Horman 2013-07-12 17:36:04 UTC 
patch sent upstream for review since its pretty straightfoward
Comment 5 Neil Horman 2013-08-01 15:28:09 UTC 
Fixed upstream, it will get sucked into rawhide on the next rebase
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