From: Clemens Ladisch <clemens-P6GI/4k7KOmELgA04lAiVw@public.gmane.org>
To: Csillag Kristof
<csillag.kristof-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Takashi Iwai <tiwai-l3A5Bk7waGM@public.gmane.org>
Cc: linux-audio-user-cunTk1MwBs/CEJeg2xFRV2D2FQJk+8+b@public.gmane.org,
alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org
Subject: Re: [LAU] kernel crashes with jackd (with Dell Precision M6600's integrated Intel HDA sound)
Date: Mon, 19 Dec 2011 12:13:34 +0100 [thread overview]
Message-ID: <4EEF1C5E.4070002@ladisch.de> (raw)
In-Reply-To: <4EEEE0FE.40309-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Csillag Kristof wrote:
> Lately, when experimenting with JACK, I began getting kernel crashes :(
>
> I am using stock Debian kernel v3.1.5.
>
> [ 7555.763914] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028
> [ 7555.763952] IP: [<ffffffffa08ca7b8>] setup_bdle.isra.21+0x44/0xd9 [snd_hda_intel]
> [ 7555.764735] RAX: 0000000000000000 RBX: ffff880221825e00 RCX: 0000000000000000
> [ 7555.765126] Call Trace:
> [ 7555.765170] [<ffffffffa08caa5c>] ? azx_pcm_prepare+0x20f/0x3c7 [snd_hda_intel]
> [ 7555.765589] Code: 8b 32 e9 94 00 00 00 81 7d 00 ff 00 00 00 0f 87 96 00 00 00 48 8b 83 c0 00 00 00 44 89 e2 44 89 e6 48 89 df 48 8b 80 d8 02 00 00
> [ 7555.765683] 8b 48 28 48 89 d0 81 e2 ff 0f 00 00 48 c1 e8 0c 48 c1 e0 04
7: 81 7d 00 ff 00 00 00 cmpl $0xff,0x0(%rbp)
e: 0f 87 96 00 00 00 ja aa
14: 48 8b 83 c0 00 00 00 mov 0xc0(%rbx),%rax
1b: 44 89 e2 mov %r12d,%edx
1e: 44 89 e6 mov %r12d,%esi
21: 48 89 df mov %rbx,%rdi
24: 48 8b 80 d8 02 00 00 mov 0x2d8(%rax),%rax
2b: ?? 8b 48 28 mov 0x28(%rax),%r?? <-- crash here
2f: 48 89 d0 mov %rdx,%rax
32: 81 e2 ff 0f 00 00 and $0xfff,%edx
38: 48 c1 e8 0c shr $0xc,%rax
3c: 48 c1 e0 04 shl $0x4,%rax
substream->runtime->dma_buffer_p is NULL.
> https://bugzilla.redhat.com/show_bug.cgi?id=702056
> https://bugzilla.redhat.com/show_bug.cgi?id=718056
> https://bugzilla.redhat.com/show_bug.cgi?id=749186
Same bug.
Regards,
Clemens
next parent reply other threads:[~2011-12-19 11:13 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4EEEE0FE.40309@gmail.com>
[not found] ` <4EEEE0FE.40309-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-12-19 11:13 ` Clemens Ladisch [this message]
[not found] ` <4EEF1C5E.4070002-P6GI/4k7KOmELgA04lAiVw@public.gmane.org>
2011-12-19 11:23 ` [LAU] kernel crashes with jackd (with Dell Precision M6600's integrated Intel HDA sound) Takashi Iwai
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