[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] HVR-4000 DVB can't scan or tune (properly) with Xen
On Sun, Nov 13, 2011 at 06:47:14PM +0000, jonathanjstevens@xxxxxxxxx wrote: > I've come across and issue and I think it may be Xen related. Hoping > you can help. > > I'm trying to use a couple of HVR-4000 with my Xen server. > > I'm running Fedora 16: > > Linux mythtvtuner.home 3.1.0-7.fc16.x86_64 #1 SMP Tue Nov 1 21:10:48 > UTC 2011 x86_64 x86_64 x86_64 GNU/Linux > > and the current packaged Xen is: > > (XEN) Xen version 4.1.2 (mockbuild@xxxxxxxxxxxxxxxxxxxxxx) (gcc > version 4.6.1 20111003 (Red Hat 4.6.1-10) (GCC) ) Fri Oct 21 21:56:01 > UTC 2011 Excellent. Everything that is new. > > When I boot without Xen the DVB PCI cards can tune and scan perfectly. > I also have a USB DVB unit, which can tune and scan regardless of > whether Xen is running. However when I try to scan and tune with the > PCI DVB cards it fails. OK, and you are _not_ passing it to a guest right? > > >From what I can tell the symptoms are exactly the same as in: > > http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1786 > > I get the same "filter timeout" messages, and I also see similar > messages in dmesg > > [ 26.572693] cx88[1]/1: IRQ loop detected, disabling interrupts > [ 26.574810] cx88[1]: irq aud [0x1001] dn_risci1* dn_sync* Great. Can you do a couple of tests: 1). Boot your Linux machine with 'mem=3G' and see if that makes the issue disappear. 2). Tell me what is the 'scan' tool you use? Is it there a command line version of the tool that triggers this? 3). Or does this happend when you just load the module and it starts doing the IRQ loop detected' thingy? > > I'm running a higher kernel than in the bug resolution though. > > Any help appreciated! > > Regards, > Jon > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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