From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiri Slaby Subject: Re: Oops in 2.6.17-rc1: EIP is at snd_pcm_oss_sync+0x1f/0x260 [snd_pcm_oss] Date: Wed, 12 Apr 2006 02:34:59 +0200 Message-ID: <443C4B33.60102@gmail.com> References: <443C41F2.5070307@ribosome.natur.cuni.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Return-path: Received: from av2.karneval.cz (av2.karneval.cz [81.27.192.108]) by alsa.jcu.cz (ALSA's E-mail Delivery System) with ESMTP id E5819165 for ; Wed, 12 Apr 2006 02:34:47 +0200 (MEST) In-Reply-To: <443C41F2.5070307@ribosome.natur.cuni.cz> 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: =?UTF-8?B?TWFydGluIE1PS1JFSsWg?= Cc: LKML , alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Martin MOKREJ=C5=A0 napsal(a): > I used skype to chat and after I tried to close the application it did > not return > to xterm. This is what I have found. Hope this helps someone to find th= e > cause. ;-) >=20 > BUG: unable to handle kernel NULL pointer dereference at virtual addres= s > 000000a0 > printing eip: > f9a2e57f > *pde =3D 00000000 > Oops: 0000 [#1] > Modules linked in: snd_pcm_oss snd_mixer_oss snd_seq_oss > snd_seq_midi_event snd_seq snd_seq_device ohci_hcd ehci_hcd radeon drm > eth1394 pcmcia ohci1394 ieee1394 uhci_hcd snd_intel8x0 snd_ac97_codec > snd_ac97_bus snd_pcm snd_timer snd snd_page_alloc yenta_socket > rsrc_nonstatic pcmcia_core intel_agp agpgart 8139too > CPU: 0 > EIP: 0060:[] Not tainted VLI > EFLAGS: 00010282 (2.6.17-rc1 #1) EIP is at snd_pcm_oss_sync+0x1f/0x26= 0 > [snd_pcm_oss] > eax: c1fe6580 ebx: f79f2140 ecx: f9a2f562 edx: 00000000 > esi: dfdbdb60 edi: f79f2000 ebp: da51ae24 esp: da51ae00 > ds: 007b es: 007b ss: 0068 > Process skype (pid: 12275, threadinfo=3Dda51a000 task=3Df09bd070) > Stack: <0>c1ee1a60 c1ee1a40 c1ee1a40 00000000 c1fe6580 dfdbdb60 f79f214= 0 > dfdbdb60 f79f2000 da51ae3c f9a2f587 f4738540 00000008 f4738540 > f752ae9c da51ae58 c014b2a3 c1cd4e40 f75208d4 f4738540 c1ec5f00 > 00000000 da51ae60 c014b20e Call Trace: > show_stack_log_lvl+0x89/0x91 > show_registers+0x10e/0x176 > die+0xd8/0x168 do_page_fault+0x452/0x538 > error_code+0x4f/0x54 > snd_pcm_oss_release+0x25/0x88 [snd_pcm_oss] > __fput+0x93/0x120 fput+0x16/0x18 > filp_close+0x4e/0x58 close_files+0x57/0x67 > put_files_struct+0x17/0x3d do_exit+0x19d/0x2fb > sys_exit_group+0x0/0x11 > get_signal_to_deliver+0x20b/0x21b > do_signal+0x54/0xfd do_notify_resume+0x2c/0x3a > work_notifysig+0x13/0x19 Code: 6f c6 8d 65 f4 89 d8 5b 5e 5= f > 5d c3 55 89 e5 57 56 53 83 ec 18 89 45 f0 8b 00 85 c0 89 45 ec 0f 84 f5 > 01 00 00 8b 50 5c 89 55 e8 <8b> 82 a0 00 00 00 85 c0 0f 85 a0 01 00 00 > 8b 45 ec e8 c0 f6 ff <1>Fixing recursive fault but reboot is needed! Try this: http://bugzilla.kernel.org/show_bug.cgi?id=3D6329#c10 (comment 10 patch) I think, that's it, if not, turn on sound debug on and retest. regards, - -- Jiri Slaby www.fi.muni.cz/~xslaby ~\-/~ jirislaby@gmail.com ~\-/~ B67499670407CE62ACC8 22A032CC55C339D47A7E -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.2 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iD8DBQFEPEszMsxVwznUen4RAiYzAKCV9qZb6SMMRv0DltWeY+Ty1EfOtACdFpL3 YIxT7B1auhk840e5akEN4wk=3D =3Dnuw5 -----END PGP SIGNATURE----- ------------------------------------------------------- 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