Pete Zaitcev <[EMAIL PROTECTED]> writes:
> I suppose you can run usbmon constantly and have it dumping the traffic
> in a file, if your disk is big enough. Then if the device disconnects,
> we'll see the preceeding traffic and may be able to make deductions.
> Please look if your system has this file:
>  /usr/share/doc/kernel-*/Documentation/usb/usbmon.txt

I tried to, the result is at:

  http://www.hut.fi/~apm/usb-disconnect.txt.gz

If I've done my math right the disconnect happened approximately at
timestamp 3271169751.

The log is from ubuntu/dapper kernel 2.6.15 recompiled with debug fs
enabled, v4l-dvb modules from linuxtv hg repo, version 4d012cd162f5.
More background info can be found at:

  http://www.linuxtv.org/pipermail/linux-dvb/2007-February/016193.html

-- 
http://www.iki.fi/~ananaza/


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