From: poma <pomidorabelisima@gmail.com>
To: Linux Kernel list <linux-kernel@vger.kernel.org>
Cc: Clemens Ladisch <clemens@ladisch.de>,
Takashi Iwai <tiwai@suse.de>,
Mailing-List fedora-kernel <kernel@lists.fedoraproject.org>,
Dan Williams <dan.j.williams@intel.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Sander Eikelenboom <linux@eikelenboom.it>,
Dave Jones <davej@redhat.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Francois Romieu <romieu@fr.zoreil.com>,
Eric Dumazet <eric.dumazet@gmail.com>,
Wei Liu <wei.liu2@citrix.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: debug_dma_assert_idle - snd_hda_intel - cpu touching an active dma mapped cacheline
Date: Wed, 23 Apr 2014 07:33:13 +0200 [thread overview]
Message-ID: <53575099.1030501@gmail.com> (raw)
In-Reply-To: <53570F1F.1000709@gmail.com>
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
next prev parent reply other threads:[~2014-04-23 5:33 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-16 22:18 debug_dma_assert_idle - snd_hda_intel - cpu touching an active dma mapped cacheline poma
2014-04-17 7:40 ` Clemens Ladisch
2014-04-17 17:18 ` poma
2014-04-23 0:53 ` poma
2014-04-23 5:33 ` poma [this message]
2014-05-01 5:07 ` poma
2014-05-06 1:57 ` poma
2014-05-07 10:14 ` poma
2014-05-11 10:02 ` poma
2014-08-30 0:48 ` debug_dma_assert_idle - ahci " poma
2014-09-18 2:55 ` debug_dma_assert_idle - ohci " poma
2014-05-01 17:24 ` debug_dma_assert_idle - snd_hda_intel " Dan Williams
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