On Fri, Jun 29, 2012 at 6:48 AM, Robert Rust <[email protected]> wrote:
> 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 > It looks like problems in the kernel with support for the H77 chipset. There's recent mention of it on the Linux acpi bugzilla list. Updating bios didn't help, nor have I found kernel flags that seem to fix this. I'll continue to dig but it looks like I will probably need to find a different motherboard if I want this working properly in a timely fashion. Thanks for the assistance. -Robert
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