On Fri, 2 Feb 2007 21:24:15 -0000 (GMT) "Linux TV homemaillist" <[EMAIL PROTECTED]> wrote:
> Thanks - here's what I've discovered. > > Before ivtv has been 'modprobed' the latency timer is set to 32: > 02:08.0 Multimedia video controller: Internext Compression Inc iTVC16 > (CX23416) MPEG-2 Encoder (rev 01) > Subsystem: Hauppauge computer works Inc. Unknown device e807 > Flags: bus master, medium devsel, latency 32, IRQ 11 > Memory at dc000000 (32-bit, prefetchable) [size=64M] > Capabilities: [44] Power Management version 2 > > 02:09.0 Multimedia video controller: Internext Compression Inc iTVC16 > (CX23416) MPEG-2 Encoder (rev 01) > Subsystem: Hauppauge computer works Inc. Unknown device e817 > Flags: bus master, medium devsel, latency 32, IRQ 10 > Memory at e0000000 (32-bit, prefetchable) [size=64M] > Capabilities: [44] Power Management version 2 > > after, it's set to 64: > 02:08.0 Multimedia video controller: Internext Compression Inc iTVC16 > (CX23416) MPEG-2 Encoder (rev 01) > Subsystem: Hauppauge computer works Inc. Unknown device e807 > Flags: bus master, medium devsel, latency 64, IRQ 209 > Memory at dc000000 (32-bit, prefetchable) [size=64M] > Capabilities: [44] Power Management version 2 > > 02:09.0 Multimedia video controller: Internext Compression Inc iTVC16 > (CX23416) MPEG-2 Encoder (rev 01) > Subsystem: Hauppauge computer works Inc. Unknown device e817 > Flags: bus master, medium devsel, latency 64, IRQ 177 > Memory at e0000000 (32-bit, prefetchable) [size=64M] > Capabilities: [44] Power Management version 2 > > > I tried setting it to 128 - but the machine still locks up when I 'cat > /dev/video0' etc. > > nothing's ever easy!!!! > > Any ideas?? Yes, walk away from buggy VIA chipsets. I know you don't want to hear that, but frankly.. I have several VIA boards here that I can't use the PVR-500 etc on. Switching to an Intel motherboard resolved the problems, each time. > > > > On 2/1/07, Linux TV homemaillist <[EMAIL PROTECTED]> wrote: > >> Hi. > >> > >> The SK43G has no facility to adjust PCI-latency in the BIOS, so I > >can't > try that. > > > > Do you know set_pci? I used it to fine-tune the pci-latencies on my > > mythpc: > > setpci -s [pci_id] latency_timer=[latency] > > > > (First do a lspci -v to see current latencies and pci_ids) > > > > > > Grt. > > Martin > > > > _______________________________________________ > > ivtv-devel mailing list > > [email protected] > > http://ivtvdriver.org/mailman/listinfo/ivtv-devel > > > > > > _______________________________________________ > ivtv-devel mailing list > [email protected] > http://ivtvdriver.org/mailman/listinfo/ivtv-devel _______________________________________________ ivtv-devel mailing list [email protected] http://ivtvdriver.org/mailman/listinfo/ivtv-devel
