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??
> 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
>
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