On Fri, Jun 29, 2012 at 6:07 AM, Andy Walls <[email protected]> wrote:
> Robert Rust <[email protected]> wrote: > > >> > > > >> >I've now disabled the motherboard audio and blacklisted the driver. > >> >Still > >> >no luck dumping to a file and no updates to the /proc/interrupts > >line > >> >when > >> >doing so: > >> > 17: 0 0 0 0 IR-IO-APIC-fasteoi > >> >cx18-0 > >> > > >> >:( > >> >_______________________________________________ > >> >ivtv-users mailing list > >> >[email protected] > >> >http://ivtvdriver.org/mailman/listinfo/ivtv-users > >> > >> Ok. That confirms the CX23418 interrupts either aren't happening at > >all > >> or the kernel is getting them. > >> > >> Easiest things to check are: > >> > >> A. that you have the cx23418 apu and cpu firmware files under > >> /lib/firmware (or wherever) and that they are correct (or at least > >bigger > >> than 0 bytes) > >> > >> B. Move the hvr1600 to a different pci slot. While you have the case > >> open, remove all your legacy pci cards and blow the dust out of all > >the > >> slots. Reinstall all the cards and then retest. > >> > >> C. Move the hvr1600 back to the system in which it was working, and > >verify > >> that it still works. > >> > >> Regards, > >> Andy > >> > > > >A. As far as I know, they are correct. Their md5sum matches that of the > >firmware files on my old system (which works ... see C below). > > > >B. Still no dice there. It was the only legacy PCI card in the box and > >the > >system is brand new (no dust yet). > > > >C. Yup ... still works in the old system. Dropped it into the old box > >and > >set up a recording specifying that tuner and it's as happy as a clam. > > > >For what it's worth, I put a PVR-250 card in and am also getting the > >same > >results - 0 bytes in dump file (though obviously it doesn't use the > >cx18 > >driver). If it is helpful at all, motherboard is an Intel DH77KC > >desktop > >board with an i5 2400 (no K) CPU and 8GB of RAM. > > > >-Robert > >_______________________________________________ > >ivtv-users mailing list > >[email protected] > >http://ivtvdriver.org/mailman/listinfo/ivtv-users > > Robert, > > This is likely a problem with the BIOS' or linux kernel configuration of > the PCI bridge chip or interrupt controller in your system. > > If you can test the mobo with a Window install to eliminate bad mobo > hardware, you should. > > You can also muck with BIOS PCI settings and hope to get lucky. > > At that point you should probably post your problem to the linux kernel > mailing list (or some other linux PCI mailing list), with a subject of > "Legacy PCI interrupts not working on Intel DH77KC mobo". Explain that you > have two different tuner cards, supported by two different drivers and the > kernel is not receiving interrupts for either of them. Provide your kernel > version and the output lspci -nnnvvv as root and provide a link to this > thread. List members may request the complete output of dmesg or > /var/log/messages > > Regards, > Andy > Thanks for the input! Based your subject suggestion, I found the link below which may be relevant. I'm not versed enough in ACPI to know what disabling it does, but I'll give it a shot tonight or this weekend just to see if it allows the card to work. http://communities.intel.com/message/156435 -Robert
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