[mythtv-users] SOLVED: Re: Firewire causes DCX-3200 to continuously "reboot" or disappears from plugreport

John Weekley weekleyj at foobarlabs.net
Tue Aug 31 13:50:19 UTC 2010


On 08/30/10 12:44 PM, John Weekley wrote:
> I'm using MythDora  12 and recently switched from Dish to Charter 
> cable, and tried using firewire to control my cable box.  The first 
> obstacle was that specifying DCX-3200 in the card selection didn't 
> work as Myth said it was unsupported.  So I tried DCH-3200 , both p2p 
> and broadcast, which seems to work well except for the cable box 
> rebooting or disappearing.
> My setup is a single FE/BE, kernel 2.6.32.19-163.fc12.x86_64 #1 SMP.
> I've noticed this in /var/adm/messages each time firewire goes south:
>
> ug 29 10:39:44 localhost kernel: firewire_core: Unsolicited response 
> (source ffc0, tlabel 0)
> Aug 29 10:39:44 localhost kernel: firewire_core: Unsolicited response 
> (source ffc0, tlabel 1)
> Aug 29 10:39:44 localhost kernel: firewire_core: Unsolicited response 
> (source ffc0, tlabel 2)
> Aug 29 10:39:44 localhost kernel: firewire_core: Unsolicited response 
> (source ffc0, tlabel 3)
> Aug 29 10:39:46 localhost kernel: firewire_core: phy config: card 0, 
> new root=ffc1, gap_count=5
> Aug 29 10:39:46 localhost kernel: firewire_core: phy config: card 0, 
> new root=ffc1, gap_count=5
> Aug 29 10:39:47 localhost kernel: firewire_core: phy config: card 0, 
> new root=ffc1, gap_count=5
> Aug 29 10:39:58 localhost kernel: firewire_core: rediscovered device fw1
> Aug 29 10:40:01 localhost kernel: firewire_core: Unsolicited response 
> (source ffc0, tlabel 21)
> Aug 29 10:40:01 localhost kernel: firewire_core: Unsolicited response 
> (source ffc0, tlabel 22)
> Aug 29 10:40:01 localhost kernel: firewire_core: Unsolicited response 
> (source ffc0, tlabel 23)
>
>
> /dev/fw2 s my cable box which doesn't return unless I power cycle both 
> the myth box and the cable box
>
>
> Has anyone else experienced this, or have any ideas on what I can try?
>


I was able to solve this problem by editing 
/lib/udev/rules.d/50-udev-default.rules 
<http://www.spoke.com/info/c6KAv/SoftwareTechnologiesInc>
ands adding :

KERNEL=="fw[0-9]*",             NAME="%k", OWNER="mythtv", 
GROUP="video", MODE="0666"

to the firewire device section.

John

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