From mboxrd@z Thu Jan 1 00:00:00 1970 From: Abdelghani Ouchabane Subject: Re: "modprobe snd_hda_intel" crashes on my hardware Date: Wed, 28 Sep 2011 15:22:21 +0200 Message-ID: <4E831F8D.7090508@ezono.com> References: <4E817010.7030607@ezono.com> <4E82D2C6.9060307@ezono.com> <4E83116A.7070000@ezono.com> <4E83184E.10203@ezono.com> <4E8336BB.2090502@ladisch.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from ezo.ezono.com (ezo.ezono.com [50.22.105.208]) by alsa0.perex.cz (Postfix) with ESMTP id 17158103A6C for ; Wed, 28 Sep 2011 17:22:36 +0200 (CEST) In-Reply-To: <4E8336BB.2090502@ladisch.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: Clemens Ladisch Cc: Takashi Iwai , alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org Clemens Ladisch wrote: > Abdelghani Ouchabane wrote: > >> in /proc/asound/card0/codec#2 >> >> system 1 : Subsystem Id: 0x7fafffdd >> system 2 : Subsystem Id: 0xffffffff >> system 3 : Subsystem Id: 0xff7f7fa3 >> >> Why the "Subsystem Id" is different between the three systems? >> > > This is a HDA codec register that should be initialized by the BIOS. > Apparently, yours doesn't, and the register contents are somewhat random. > > Bug whoever is responsible for that BIOS. A system not initializing > the pin config and subsystem registers is a violation of the HDA > specification. > > > Regards, > Clemens > Thanks, I will use your solution + patch and I will contact the manufacturer of the boards to fix the BIOS. Many thanks Clemens & Takashi for your great supports. Cheers, Ghani