From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: Oops caused by flashplayer using OSS emulation Date: Mon, 20 Sep 2004 11:46:22 +0200 Sender: alsa-devel-admin@lists.sourceforge.net Message-ID: References: <1095548954.9049.17.camel@krustophenia.net> Mime-Version: 1.0 (generated by SEMI 1.14.5 - "Awara-Onsen") Content-Type: text/plain; charset=US-ASCII Return-path: In-Reply-To: <1095548954.9049.17.camel@krustophenia.net> Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Lee Revell Cc: alsa-devel List-Id: alsa-devel@alsa-project.org At Sat, 18 Sep 2004 19:09:15 -0400, Lee Revell wrote: > > It's possible that this bug no longer exists, I believe this is a CVS > version of ALSA from between 1.0.5a and 1.0.6. This was caused by a > flash applet in mozilla. Do you have any info with CONFIG_SND_DEBUG=y? thanks, Takashi > > Unable to handle kernel NULL pointer dereference at virtual address 00000000 > printing eip: > c02d1d4f > *pde = 00000000 > Oops: 0002 [#1] > PREEMPT > Modules linked in: snd_pcm_oss snd_mixer_oss af_packet realtime snd_emu10k1 snd_rawmidi snd_pcm snd_timer snd_seq_device snd_ac97_codec snd_page_alloc snd_util_mem snd_hwdep snd via_agp agpgart via_rhine mii crc32 usbhid uhci_hcd usbcore > CPU: 0 > EIP: 0060:[] Not tainted VLI > EFLAGS: 00010246 (2.6.9-rc1-bk12-VP-S0) > EIP is at __sched_text_end+0xb1f/0xfd8 > eax: 00000000 ebx: 00002000 ecx: 00002000 edx: d3782000 > esi: 09873968 edi: 00000000 ebp: d3783df8 esp: d3783de8 > ds: 007b es: 007b ss: 0068 preempt: 00000001 > Process mozilla-bin (pid: 9158, threadinfo=d3782000 task=dda208c0) > Stack: 00000000 00002000 00002000 09873968 d3783e14 c021f8ce 00000000 09873968 > 00002000 00000000 d9fc7400 d3783e3c de8beada 00000000 09873968 00002000 > 00000000 00000001 00000000 d9fc7400 c15a0a60 d3783eb8 de8beffe c15a0a60 > Call Trace: > [] copy_from_user+0x5e/0x90 > [] snd_pcm_lib_write_transfer+0x7a/0x90 [snd_pcm] > [] snd_pcm_lib_write1+0x50e/0x8d0 [snd_pcm] > [] snd_pcm_post_prepare+0x8/0x30 [snd_pcm] > [] snd_pcm_action_single+0x48/0x50 [snd_pcm] > [] cond_resched+0x9/0x70 > [] snd_pcm_lib_write+0x9/0xb0 [snd_pcm] > [] snd_pcm_lib_write+0x80/0xb0 [snd_pcm] > [] snd_pcm_lib_write_transfer+0x0/0x90 [snd_pcm] > [] snd_pcm_oss_write3+0xae/0xe0 [snd_pcm_oss] > [] snd_pcm_oss_write2+0xbb/0xd0 [snd_pcm_oss] > [] snd_pcm_oss_write1+0x176/0x1b0 [snd_pcm_oss] > [] snd_pcm_oss_write+0x42/0x80 [snd_pcm_oss] > [] vfs_write+0xbc/0x110 > [] sys_write+0x41/0x70 > [] syscall_call+0x7/0xb > Code: ff 31 c0 e9 3e da f4 ff b0 01 e9 37 da f4 ff 01 c1 e9 7a da f4 ff 8d 4c 88 00 e9 71 da f4 ff 01 c1 eb 04 8d 4c 88 00 51 50 31 c0 aa 58 59 e9 9c da f4 ff b8 f2 ff ff ff e9 6d 69 f5 ff b8 f2 > > > > > > ------------------------------------------------------- > This SF.Net email is sponsored by: YOU BE THE JUDGE. Be one of 170 > Project Admins to receive an Apple iPod Mini FREE for your judgement on > who ports your project to Linux PPC the best. Sponsored by IBM. > Deadline: Sept. 24. Go here: http://sf.net/ppc_contest.php > _______________________________________________ > Alsa-devel mailing list > Alsa-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/alsa-devel > ------------------------------------------------------- This SF.Net email is sponsored by: YOU BE THE JUDGE. Be one of 170 Project Admins to receive an Apple iPod Mini FREE for your judgement on who ports your project to Linux PPC the best. Sponsored by IBM. Deadline: Sept. 24. Go here: http://sf.net/ppc_contest.php