From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: oops with lastest CVS Date: Fri, 17 Oct 2003 20:11:18 +0200 Sender: alsa-devel-admin@lists.sourceforge.net Message-ID: References: <16270.56145.993028.272116@ronispc.chem.mcgill.ca> <16272.4463.761860.986431@ronispc.chem.mcgill.ca> Mime-Version: 1.0 (generated by SEMI 1.14.5 - "Awara-Onsen") Content-Type: text/plain; charset=US-ASCII Return-path: In-Reply-To: <16272.4463.761860.986431@ronispc.chem.mcgill.ca> Errors-To: alsa-devel-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: david.ronis@mcgill.ca Cc: alsa-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org At Fri, 17 Oct 2003 11:57:35 -0400, David Ronis wrote: > > Hi Takashi, > > You wrote: > > > i don't see any obvious bug there. > > what happens if you comment out the lines > > > > if (card->files == NULL) > > wake_up(&card->shutdown_sleep); > > > > in alsa-kernel/core/init.c:661 ? > > > > I did this, rebuilt/installed, and ran aplay; the system froze. I > rebooted and tried again. It froze again, but this time I saw the > kernel oops on the screen. (seems to be a NULL pointer dereference > problem). There was also an additional line: > > <6>note: amixer[1048] exited with preempt_count 4 > ... > <6>note: rplayd[1048] exited with preempt_count 4 hmm, there might unblanced spinlocks. Takashi ------------------------------------------------------- This SF.net email sponsored by: Enterprise Linux Forum Conference & Expo The Event For Linux Datacenter Solutions & Strategies in The Enterprise Linux in the Boardroom; in the Front Office; & in the Server Room http://www.enterpriselinuxforum.com