From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: Bad IRQs from using pcm in alsa-driver-1.0.7 Date: Mon, 22 Nov 2004 18:34:23 +0100 Message-ID: References: <200411191628.QAA01370@orthoset.com> Mime-Version: 1.0 (generated by SEMI 1.14.5 - "Awara-Onsen") Content-Type: text/plain; charset=US-ASCII Return-path: In-Reply-To: <200411191628.QAA01370@orthoset.com> 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: William Cc: alsa-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org At Fri, 19 Nov 2004 16:28:47 GMT, William wrote: > > Using ALSA PCM always disables the IRQ for my mouse (USB Logitech wheelmouse). > Is this a known problem? > > I'm using alsa-*1.0.7 on a laptop with a VIA-8235 sound system. > Whenever I use aplay, the kernel disables IRQ 11 ("kernel: Disabling IRQ 11") > leaving the mouse disabled though the touchpad does still work > and there are kernel error messages ("nobody cared! __report_bad_irq etc" ). > > $ grep ERR /proc/interrupts > ERR: 33 > > Every time this happens I have to reboot to get IRQ 11 working again > so I can use the mouse again. > The kernel does not disable IRQ 11 if I use only ALSA MIDI. > > Is there a fix? Which kernel version? It smells like a general IRQ routing problem. What happens when you play with acpi boot option? Takashi ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/