Re: dvb_usb_dib0700 based devices and random usb disconnects

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Matt Doran wrote:

Arnold Schulz wrote:
Looks like the problem of Nova-T-500, which also uses dib0700 !?!

There have been several posts in this list, eg:
http://www.linuxtv.org/pipermail/linux-dvb/2007-February/015716.html



Yes, that's looks like the same problem.
We haven't got a solution, however we've found that using the 2.6.20 kernel greatly improves stability. Using the 2.6.19 kernel I got Oops' every day or two, but since upgrading to 2.6.20, it's only disconnected once in about 3 weeks. So it's not perfect, but it's much, much better.

I asked a few questions in the linux-usb-dev mailing list. And one of the developers thought this might have been caused by a bug that only got fixed post-2.6.20. I haven't had a chance to try this yet, but you can read about it here: http://www.linuxtv.org/pipermail/linux-dvb/2007-February/015808.html

I applied that patch on 2.6.20 and haven't got any kernel oops since then (Feb 7) and still keep my fingers crossed... =)

/Richard

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