From mboxrd@z Thu Jan 1 00:00:00 1970 From: Patrick Shirkey Subject: Re: AW: usb quattro Date: Fri, 06 Sep 2002 04:25:34 +0900 Sender: alsa-devel-admin@lists.sourceforge.net Message-ID: <3D77AFAE.6030803@boosthardware.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: Errors-To: alsa-devel-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: Karsten Wiese Cc: Takashi Iwai , alsa-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org Karsten Wiese wrote: >> >>EIP; c01e52e4 <===== >> > > > the Tascam US-428 driver (copied / changed from snd-usb-audio ) showed a > similar problem. > I worked around it by not using ASYNC_UNLINKing of the urbs. > > uhci_remove_pending_qhs is called to unlink urbs in ASYNC mode. > seems as if uhci has a bug ? or may we asyncly unlink only 1 urb at a time? > any experiences with kernels > 2.4.18 ? > This is with kernel 2.4.19pre10 It may be that the code is fixed for the 2.5.x series. there seems to be a few different versions of the uhci code floating around. -- Patrick Shirkey - Boost Hardware Ltd. For the discerning hardware connoisseur Http://www.boosthardware.com Http://www.boosthardware.com/LAU/guide/ ======================================== "Um...symbol_get and symbol_put... They're kindof like does anyone remember like get_symbol and put_symbol I think we used to have..." - Rusty Russell in his talk on the module subsystem ------------------------------------------------------- This sf.net email is sponsored by: OSDN - Tired of that same old cell phone? Get a new here for FREE! https://www.inphonic.com/r.asp?r=sourceforge1&refcode1=vs3390