From mboxrd@z Thu Jan 1 00:00:00 1970 From: Karsten Wiese Subject: Re: snd-usb-usx2y 0.7.1 against cvs head: please test it! Date: Thu, 15 Jul 2004 10:53:58 +0200 Sender: alsa-devel-admin@lists.sourceforge.net Message-ID: <200407151053.59356.annabellesgarden@yahoo.de> References: <200407131155.43747.annabellesgarden@yahoo.de> <200407141941.15302.ws@seh.de> <200407142034.00652.ws@seh.de> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <200407142034.00652.ws@seh.de> Content-Disposition: inline Errors-To: alsa-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Werner Schweer Cc: alsa-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org Am Mittwoch 14 Juli 2004 20:34 schrieb Werner Schweer: > On Wednesday 14 July 2004 19:41, Werner Schweer wrote: > > On Wednesday 14 July 2004 19:19, Karsten Wiese wrote: > > > > testing on 2.6.7-bk20 i get the following message when starting > > > > JACK: > > > > > > > > ALSA lib pcm_hw.c:549:(snd_pcm_hw_start) SNDRV_PCM_IOCTL_START > > > > failed: Broken pipe > > > > could not start playback (Broken pipe) > > > > jackd watchdog: timeout - killing jackd > > > > > > > > the system log says: > > > > > > > > Jul 14 18:40:53 t10 vmunix: > > > > ALSA > > > > /home/ws/projects/alsa/alsa-driver/kbuild/../usb/usx2y/usbusx2yaudio. > > > >c: 24 6: -28 > > > > > > #define ENOSPC 28 /* No space left on device */ > > > > > > If you didn't try yet, > > > please start Jack with the -S alsa driver option to use 16bit format. > > > Using 24bit on kernels with "uhci debugging" I get lots of dmesg > > > warnings complaining about overusing the usb - bandwidth although > > > everything works fine. Using 16bit the kernel doesn't complain. > > > Maybe usb bandwidth checks are broken? > > > > > > > Jul 14 18:40:53 t10 vmunix: > > > > ALSA > > > > /home/ws/projects/alsa/alsa-driver/kbuild/../usb/usx2y/usbusx2yaudio. > > > >c: 34 7: Sequence Error!(ep=10;nuc=1,frame=860) > > > > Jul 14 18:40:53 t10 vmunix: > > > > ALSA > > > > /home/ws/projects/alsa/alsa-driver/kbuild/../usb/usx2y/usbusx2yaudio. > > > >c: 34 7: Sequence Error!(ep=8;nuc=1,frame=860) > > > > starting jackd with -S (force 16bit format) works! > > but only for about 20 minutes, then jackd dies with same error, same > system error message :-( if your kernel is currently configured with CONFIG_USB_BANDWIDTH=y (and you like to spend some more time testing): Please recompile the kernel without that option and retry. the relevant part of the .config would look like: >>>>>> # # Miscellaneous USB options # CONFIG_USB_DEVICEFS=y # CONFIG_USB_BANDWIDTH is not set # CONFIG_USB_DYNAMIC_MINORS is not set <<<<<< karsten ------------------------------------------------------- This SF.Net email is sponsored by BEA Weblogic Workshop FREE Java Enterprise J2EE developer tools! Get your free copy of BEA WebLogic Workshop 8.1 today. http://ads.osdn.com/?ad_id=4721&alloc_id=10040&op=click