From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx3.redhat.com (mx3.redhat.com [172.16.48.32]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id m739DXo5014305 for ; Sun, 3 Aug 2008 05:13:33 -0400 Received: from smtp8-g19.free.fr (smtp8-g19.free.fr [212.27.42.65]) by mx3.redhat.com (8.13.8/8.13.8) with ESMTP id m739DL0W002875 for ; Sun, 3 Aug 2008 05:13:21 -0400 From: Jean-Francois Moine To: Brian Rogers In-Reply-To: <48954612.7000906@comcast.net> References: <48954612.7000906@comcast.net> Content-Type: text/plain; charset=ISO-8859-1 Date: Sun, 03 Aug 2008 10:33:51 +0200 Message-Id: <1217752431.1714.11.camel@localhost> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Cc: video4linux-list@redhat.com Subject: Re: gspca "scheduling while atomic" crash List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: video4linux-list-bounces@redhat.com Errors-To: video4linux-list-bounces@redhat.com List-ID: On Sat, 2008-08-02 at 22:45 -0700, Brian Rogers wrote: > I have the following device: > Bus 007 Device 002: ID 0c45:60fc Microdia PC Camera with Mic (SN9C105) > > Whether I build 2.6.27-rc1 or merge the stable branch of > git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-next.git > into my Intrepid kernel (2.6.26), the system will lock up when I try to > get video from my webcam. > > To see the kernel output, I do this in the console: > mplayer -ao aa -tv device=v4l2:width=640:height=480:fps=30 tv:// > > The result is a rapid stream of two alternating messages: > BUG: scheduling while atomic: swapper/0/0x8001???? (didn't get it all) > bad: scheduling from the idle thread! > > During this the system doesn't respond to anything. It's a Core2 Duo > running 64-bit Ubuntu Intrepid with 4GB of RAM. What other info should I > provide to investigate this problem? Hello Brian, I think I saw the problem: usb_control_msg() is called at interrupt level.. I hope to have a patch this morning. Cheers. -- Ken ar c'hentań | ** Breizh ha Linux atav! ** Jef | http://moinejf.free.fr/ -- video4linux-list mailing list Unsubscribe mailto:video4linux-list-request@redhat.com?subject=unsubscribe https://www.redhat.com/mailman/listinfo/video4linux-list