On Fri, Jun 29, 2012 at 6:23 AM, Robert Rust <[email protected]> wrote:

> 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
>
There also appears to be a BIOS update from a couple weeks ago for me to
try.

-Robert
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