From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262768AbUEOO6H (ORCPT ); Sat, 15 May 2004 10:58:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262974AbUEOO6H (ORCPT ); Sat, 15 May 2004 10:58:07 -0400 Received: from ns.virtualhost.dk ([195.184.98.160]:56459 "EHLO virtualhost.dk") by vger.kernel.org with ESMTP id S262768AbUEOO6D (ORCPT ); Sat, 15 May 2004 10:58:03 -0400 Date: Sat, 15 May 2004 16:58:00 +0200 From: Jens Axboe To: Daniele Bernardini Cc: linux-kernel@vger.kernel.org Subject: Re: dma ripping Message-ID: <20040515145800.GE24600@suse.de> References: <1084548566.12022.57.camel@linux.site> <20040515101415.GA24600@suse.de> <1084610731.4666.8.camel@linux.site> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1084610731.4666.8.camel@linux.site> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, May 15 2004, Daniele Bernardini wrote: > > On Sat, 2004-05-15 at 12:14, Jens Axboe wrote: > > On Fri, May 14 2004, Daniele Bernardini wrote: > > > Hi Folks, > > > > > > I am trying to get cd ripping to work on a freshly installed SuSE 9.1 on > > > IBM thinkpad R50 with dvdram drive. > > > > > > It works for a while and then hangs. At this point nothing short of a > > > reboot works. Ripping stop working when the message > > > cdrom: dropping to single frame dma > > > comes up. The system feels slow for a couple of seconds and then is back > > > to normal, but no ripping until next reboot > > > > > > I am running the 2.6.4 compiled by SuSE. > > > > Can you retest with this small debug patch applied. > > > > --- drivers/cdrom/cdrom.c~ 2004-05-15 12:12:24.770228291 +0200 > > +++ drivers/cdrom/cdrom.c 2004-05-15 12:13:25.101720866 +0200 > > @@ -1987,6 +1987,7 @@ > > struct request_sense *s = rq->sense; > > ret = -EIO; > > cdi->last_sense = s->sense_key; > > + printk("rip failed, sense %x/%x/%x\n", s->sense_key, s->asc, s->ascq); > > } > > > > if (blk_rq_unmap_user(rq, ubuf, bio, len)) > > I did it and started ripping a cd it froze after 9 tracks, though did > not see your message. I was looking at /var/log/messages (see below). > BTW the system got instable and then froze had to power down. It > happened before always after the ripping problem. > > Should I aswitch on debug for the cdrom? Just an idea - can you log vmstat 5 info while doing this burn? Maybe there's still a little leak in there, so watch the ram usage (used/free/swap/cache). Does your drive have dma enabled? -- Jens Axboe