Re: [linux-dvb-maintainer] Multiple USB DVB devices cause hard lockups

[Hugo Mills]

On Mon, Nov 21, 2005 at 09:52:20AM +0100, Patrick Boettcher wrote:
> On Sun, 20 Nov 2005, Johannes Stezenbach wrote:
> >>   I'm trying to get a pair of Twinhan Alpha II DVB-USB devices
> >>working on the same machine. With a single device plugged in, I can
> >>quite easily receive and stream data.
> >
> >Maybe Patrick can comment, I believe he tested with multiple
> >USB devices.
> 
> Sorry Johannes, that it seems I'm always waiting for your alarm to make me 
> write a Mail - but this time I cannot add anything to find the problem - 
> or maybe I can - not sure :):
> 
> I tested it with multiple dvb-usb devices in parallel - but never with 2 
> Twinhan Alpha boxes.
> 
> Just a thought: Hugo, can you enable dvb-usb-debug and load the dvb-usb.ko 
> with parameter debug=9 .
> 
> Then start the transfer and your syslog will be filled with messages of 
> returning USB-buffers and their sizes. Try to catch some lines from both 
> devices and send them here.

   Yes, I'll try that. It'll be tomorrow evening (GMT), though, as I'm
out this evening. I'll also try to get a serial console running so I
can try to capture the full oops text.

   Hugo.

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