From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from joan.kewl.org ([212.161.35.248]) by www.linuxtv.org with esmtp (Exim 4.63) (envelope-from ) id 1KveKv-0000JV-1H for linux-dvb@linuxtv.org; Thu, 30 Oct 2008 21:41:46 +0100 From: Darron Broad To: Michael Cutler In-reply-to: <916433.23640.qm@web26103.mail.ukl.yahoo.com> References: <916433.23640.qm@web26103.mail.ukl.yahoo.com> Date: Thu, 30 Oct 2008 20:41:41 +0000 Message-ID: <24272.1225399301@kewl.org> Cc: linux-dvb@linuxtv.org Subject: Re: [linux-dvb] System freezes with 6 cx88 DVB-S adapters (5 x KWorld DVB-S 100, 1 x Hauppauge WinTV-HVR4000(Lite) DVB-S/S2) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: linux-dvb-bounces@linuxtv.org Errors-To: linux-dvb-bounces+mchehab=infradead.org@linuxtv.org List-ID: In message <916433.23640.qm@web26103.mail.ukl.yahoo.com>, Michael Cutler wrote: >Hello, hi =0A=0AI have quite an interesting problem on a system with 6 tuners, = >basically the system 'locks up' completely after a short period of fairly i= >ntensive use, only a power-cycle can bring the system back to life. I first= > experienced this since building the system with Fedora Core 9 fully update= >d (2.6.26.5-45.fc9.i686). I spotted some cx88 changes in the 2.6.27 release= > notes and so upgraded to Fedora Core 10 / Rawhide and I am still experienc= >ing the same problem on 2.6.27.4-58.fc10.i686.=0A=0AThe problem appears whe= >n I run a simple script which controls all available tuners simultaneously = >and tunes (szap) to a range of transponders before running tests (dvbsnoop = >-s pidscan) on the content of each. This morning I grabbed the latest v4l-d= >vb source tree (http://linuxtv.org/hg/v4l-dvb) and built it for my 2.6.27.4= >-58.fc10.i686 kernel and I am still experiencing the same problem.=0A=0AUp = >until this morning I have been limited to the 5 x KWorld DVB-S 100 tuners a= >s the stock Fedora kernel didn't support the Hauppauge WinTV-HVR4000(Lite) = >board. So the problem existed before the HVR4000 was included in the loop.= >=0A=0AI have attached various bits of debug, its tricky to try and diagnose= > the real cause as the machine completely freezes and doesn't respond to an= >ything. I have tested the rest of the hardware (memtest, cpu burn-in-tests = >etc.) and the system is otherwise perfectly stable. But if I run the script= > to utilise all the tuners for a few minutes to an hour and the machine loc= >ks up.=0A=0A >Any ideas? suggestions? This could be a PSU related problem, have you tried using a more powerful PSU? Do you have the same problem with less cards installed? cya -- // / {:)==={ Darron Broad \\ \ _______________________________________________ linux-dvb mailing list linux-dvb@linuxtv.org http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb