From mboxrd@z Thu Jan 1 00:00:00 1970 From: walt Subject: Re: kernel/alsa oops Date: Tue, 04 Apr 2006 14:27:15 -0700 Message-ID: <4432E4B3.7050906@myrealbox.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: alsa-devel-admin@lists.sourceforge.net Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Takashi Iwai Cc: alsa-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org Takashi Iwai wrote: > At Mon, 03 Apr 2006 13:32:12 -0700, > walt wrote: >> I update from Linus every day, so I'm running his latest alsa >> updates as of 03April. >> >> I just got this kernel oops, which is reproducible: >> Oops: 0000 [#1] >> PREEMPT >> CPU: 0 >> EIP is at snd_pcm_oss_get_space+0x33/0x140 [snd_pcm_oss] >> eax: d9d13ce0 ebx: 00000000 ecx: 00000001 edx: ffffffea >> esi: 00000000 edi: c15e94c0 ebp: bf87a540 esp: d82abf28 >> ds: 007b es: 007b ss: 0068 >> Process realplay.bin (pid: 18441, threadinfo=d82aa000 task=c74c9ab0) >> Stack: <0>c02aed06 ffffffbf c0265c17 c8c0ce80 0000541b ffffffe7 >> dd8c8c60 bf87a540 >> 8010500c c015383c d9d13ce0 00000000 bf87a540 bf87a540 00000000 >> dd8c8c60 >> 00000014 c0153aeb dd8c8c60 8010500c bf87a540 fffffff7 fffffff7 >> dd8c8c60 >> Call Trace: >> unix_ioctl+0xb1/0xbe sock_ioctl+0x195/0x1b2 >> do_ioctl+0x28/0x66 vfs_ioctl+0x17e/0x18c >> sys_ioctl+0x2b/0x47 sysenter_past_esp+0x54/0x75 >> Code: 53 83 ec 14 8b 6c 24 30 8b 74 24 2c 85 ed 0f 84 1a 01 00 00 8b 44 >> 24 28 ba ea ff ff ff 8b 3c b0 85 ff 0f 84 06 01 00 00 8b 5f 5c 83 >> 20 02 00 00 01 74 11 57 e8 57 e6 ff ff 89 c2 85 d2 58 0f >> >> This is what I did to reproduce this oops: >> >> I was playing a video with mplayer, which I put on 'pause'. >> I started listening to BBC Radio with RealPlayer-10.0.7. >> I then took mplayer off of pause, which instantly produced >> this kernel oops. > Does the following patch fix your problem, too? No, but the oops is different now: When I start the paused mplayer running again, the sound becomes very 'metallic' until I put mplayer back on 'pause'. Then I instantly get this oops: Oops 0000 [#1] PREEMPT CPU: 0 EIP is at snd_pcm_oss_make_ready+0xf/0x3c [snd_pcm_oss] eax: 00000000 ebx: 00000000 ecx: 00000001 edx: ffffffea esi: c15e94c0 edi: d4abb3a0 ebp: ffffffea esp: d5317f1c ds: 007b es: 007b ss: 0068 Process realplay.bin (pid: 9026, threadinfo=d5316000 task=d4ab5a50) Stack: <0>c15e94c0 d9e739a0 e0a2dd6c c15e94c0 00000001 bfad3188 e0a2eb31 d9e739a0 ffffffe7 d4abb3a0 bfad3188 80045017 c015383c d4abb3a0 80045017 bfad3188 bfad3188 00000000 d4abb3a0 00000014 c0153aeb d4abb3a0 80045017 bfad3188 Call Trace: snd_pcm_oss_get_odelay+0x17/0x68 [snd_pcm_oss] snd_pcm_oss_ioctl+0x4f5/0x520 [snd_pcm_oss] do_ioctl+0x28/0x66 vfs_ioctl+0x17e/0x18c sys_ioctl+0x2b/0x47 sysenter_past_esp+0x54/0x75 Code: 00 00 00 00 c7 83 44 02 00 00 00 00 00 00 c7 83 5c 02 00 00 00 00 00 00 31 c0 5b c3 56 31 c0 53 8b 74 24 0c 85 f6 74 2d 8b 5e 5c 83 20 02 00 00 01 74 0b 56 e8 5a f9 ff ff 85 c0 5a 78 16 f6 Would it help you if I find which one of Linus's commits caused this problem? I suspect you already know, but I would be happy to help in any way I can. Thanks! ------------------------------------------------------- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642