From: "Martin J. Bligh" <mbligh@aracnet.com>
To: linux-kernel <linux-kernel@vger.kernel.org>
Subject: [Bug 828] New: ALSA + framepointers
Date: Wed, 18 Jun 2003 12:23:09 -0700 [thread overview]
Message-ID: <167040000.1055964189@flay> (raw)
http://bugme.osdl.org/show_bug.cgi?id=828
Summary: ALSA + framepointers
Kernel Version: 2.5.72
Status: NEW
Severity: normal
Owner: bugme-janitors@lists.osdl.org
Submitter: mbm+kernel@nerdfest.org
Hardware Environment: Dell Inspirion 2650
intel 82801CA/CAM AC'97 audio (rev 02)
(only supports 48khz)
Problem Description:
When the 2.5.72 is compiled without framepointers ALSA will produce the
following oops while attempting to play an mp3
----
Unable to handle kernel paging request at virtual address e285e000
printing eip:
c030a573
*pde = 1fd98067
*pte = 00000000
Oops: 0000 [#1]
CPU: 0
EIP: 0060:[<c030a573>] Not tainted
EFLAGS: 00010202
EIP is at resample_expand+0x343/0x377
eax: c030a573 ebx: 00000000 ecx: 0000036b edx: 0000ffff
esi: e285b166 edi: dfc7e110 ebp: e285dffe esp: dd86be54
ds: 007b es: 007b ss: 0068
Process mpg123 (pid: 500, threadinfo=dd86a000 task=de10a680)
Stack: c03079ed dfc7e080 dfdaa660 dd86be80 00000000 dd86a000 c0458768 ffffffff
c030a397 c030a4eb c030a573 dfc7e0f0 00000000 00000004 00000004 00000001
ffffffff 000003ee 0000045a 00000400 dfc7e080 df4c5580 c030aa1d dfc7e080
Call Trace:
[<c03079ed>] snd_pcm_plug_playback_channels_mask+0x72/0xd8
[<c030a397>] resample_expand+0x167/0x377
[<c030a4eb>] resample_expand+0x2bb/0x377
[<c030a573>] resample_expand+0x343/0x377
[<c030aa1d>] rate_transfer+0x59/0x5d
[<c0307dc5>] snd_pcm_plug_write_transfer+0x95/0xf4
[<c0303df0>] snd_pcm_oss_write2+0xae/0x118
[<c0303f6f>] snd_pcm_oss_write1+0x115/0x1ba
[<c0305f95>] snd_pcm_oss_write+0x43/0x5d
[<c0305f52>] snd_pcm_oss_write+0x0/0x5d
[<c015086c>] vfs_write+0xd0/0x135
[<c0150976>] sys_write+0x42/0x63
[<c01090bb>] syscall_call+0x7/0xb
Code: 8b 45 00 eb ac 0f b6 45 00 c1 e0 08 eb a3 81 fa 00 80 00 00
----
Oddly, the problem disappears and ALSA works fine when the kernel is compiled
with framepointers.
reply other threads:[~2003-06-18 19:20 UTC|newest]
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