On 23.04.2014 02:53, poma wrote: > > This one comes and goes... > > ------------[ cut here ]------------ > WARNING: CPU: 2 PID: 521 at lib/dma-debug.c:593 > debug_dma_assert_idle+0x159/0x1d0() > snd_hda_intel 0000:00:07.0: DMA-API: cpu touching an active dma mapped > cacheline [cln=0x03019000] > ------------[ cut here ]------------ > WARNING: CPU: 3 PID: 927 at lib/dma-debug.c:593 > debug_dma_assert_idle+0x159/0x1d0() > snd_hda_intel 0000:00:07.0: DMA-API: cpu touching an active dma mapped > cacheline [cln=0x03019000] > > CPU: 3 PID: 927 Comm: firewalld Not tainted 3.15.0-0.rc2.git1.1.fc21.i686 #1 > > Call Trace: > > [<c0ae29dd>] dump_stack+0x48/0x60 > > [<c0454402>] warn_slowpath_common+0x82/0xa0 > > [<c0750e09>] ? debug_dma_assert_idle+0x159/0x1d0 > > [<c0750e09>] ? debug_dma_assert_idle+0x159/0x1d0 > > [<c045445e>] warn_slowpath_fmt+0x3e/0x60 > > [<c0750e09>] debug_dma_assert_idle+0x159/0x1d0 > > [<c0586189>] ? anon_vma_prepare+0x29/0x140 > > [<c057a5be>] do_wp_page+0xce/0x890 > > [<c0640065>] ? ext4_releasepage+0x95/0x130 > > [<c057cbc2>] handle_mm_fault+0x662/0xb70 > > [<c0640065>] ? ext4_releasepage+0x95/0x130 > > [<c0aee997>] __do_page_fault+0x1a7/0x5d0 > > [<c04adcac>] ? trace_hardirqs_on_caller+0x13c/0x1e0 > > [<c04ff83c>] ? __audit_syscall_entry+0x8c/0xe0 > > [<c04add5b>] ? trace_hardirqs_on+0xb/0x10 > > [<c04adcac>] ? trace_hardirqs_on_caller+0x13c/0x1e0 > > [<c04adcac>] ? trace_hardirqs_on_caller+0x13c/0x1e0 > > [<c0aeedc0>] ? __do_page_fault+0x5d0/0x5d0 > > [<c0aeedda>] do_page_fault+0x1a/0x20 > > [<c0aeb7b4>] error_code+0x6c/0x74 > ---[ end trace 0464944e27da06b8 ]--- > Mapped at: > > [<c074eeb2>] debug_dma_alloc_coherent+0x22/0x70 > > [<f839de90>] snd_dma_alloc_pages+0x170/0x260 [snd_pcm] > > [<f839dfe2>] snd_dma_alloc_pages_fallback+0x62/0x90 [snd_pcm] > > [<f839e3b0>] snd_malloc_sgbuf_pages+0xf0/0x211 [snd_pcm] > > [<f839df23>] snd_dma_alloc_pages+0x203/0x260 [snd_pcm] > CPU: 2 PID: 521 Comm: firewalld Tainted: G W > 3.15.0-0.rc2.git1.1.fc21.i686 #1 > Call Trace: > [<c0ae29dd>] dump_stack+0x48/0x60 > [<c0454402>] warn_slowpath_common+0x82/0xa0 > [<c0750e09>] ? debug_dma_assert_idle+0x159/0x1d0 > [<c0750e09>] ? debug_dma_assert_idle+0x159/0x1d0 > [<c045445e>] warn_slowpath_fmt+0x3e/0x60 > [<c0750e09>] debug_dma_assert_idle+0x159/0x1d0 > [<c0586189>] ? anon_vma_prepare+0x29/0x140 > [<c057a5be>] do_wp_page+0xce/0x890 > [<c0640065>] ? ext4_releasepage+0x95/0x130 > [<c057cbc2>] handle_mm_fault+0x662/0xb70 > [<c0640065>] ? ext4_releasepage+0x95/0x130 > [<c0aee997>] __do_page_fault+0x1a7/0x5d0 > [<c04ff83c>] ? __audit_syscall_entry+0x8c/0xe0 > [<c04add5b>] ? trace_hardirqs_on+0xb/0x10 > [<c04adcac>] ? trace_hardirqs_on_caller+0x13c/0x1e0 > [<c0aeedc0>] ? __do_page_fault+0x5d0/0x5d0 > [<c0aeedda>] do_page_fault+0x1a/0x20 > [<c0aeb7b4>] error_code+0x6c/0x74 > ---[ end trace 0464944e27da06b9 ]--- > Mapped at: > [<c074eeb2>] debug_dma_alloc_coherent+0x22/0x70 > [<f839de90>] snd_dma_alloc_pages+0x170/0x260 [snd_pcm] > [<f839dfe2>] snd_dma_alloc_pages_fallback+0x62/0x90 [snd_pcm] > [<f839e3b0>] snd_malloc_sgbuf_pages+0xf0/0x211 [snd_pcm] > [<f839df23>] snd_dma_alloc_pages+0x203/0x260 [snd_pcm] > > > https://bugzilla.redhat.com/attachment.cgi?id=888686 > > dma debug: account for cachelines and read-only mappings in overlap tracking > https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/lib/dma-debug.c?id=3b7a6418c7494b8bf0bf0537ddee1dedbca10f51 > > Are these two in some relation? Yep. 3.15.0-0.rc2.git1.1.fc21.x86_64 PASSED 3.15.0-0.rc2.git1.1.fc21.i686 FAILED 3.15.0-0.rc2.git1.2.fc21.i686 PASSED <- 3.15.0-0.rc2.git1.2.fc21.i686 is 3.15.0-0.rc2.git1.1.fc21.i686 with reverted linux-next git commit 3b7a641 "dma debug: account for cachelines and read-only mappings in overlap tracking" https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/lib/dma-debug.c?id=3b7a641 Information for build kernel-3.15.0-0.rc2.git1.1.fc21 http://koji.fedoraproject.org/koji/buildinfo?buildID=512446 poma _______________________________________________ kernel mailing list kernel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/kernel
