I've just tried compiling the current SVN version but I still get the same
error. There isn't any isochronous traffic on the bus I'm looking at at the
moment, it's all control and interrupt URBs. 

The message box I get when Wireshark stops checking for URBs is

Error while capturing packets: Can't parse urb tag from '
'

with the following error in the main Wireshark window:

[Dissector bug, protocol USB: packet-usb.c:1013: failed assertion
"DISSECTOR_ASSERT_NOT_REACHED"]

The message box says to report the bug to the developers - is this the next 
step?

Quoting Guy Harris <[EMAIL PROTECTED]>:

> Stephen RP O'Connell wrote:
> > That's sorted it, thanks very much for all of your help :) I've now got
> > Wireshark compiled with libpcap 0.9-PRE-CVS, however when I try and
> capture
> > any USB packets I get the following error:
> > 
> > [Dissector bug, protocol USB: packet-usb.c:1004: failed assertion
> > "DISSECTOR_ASSERT_NOT_REACHED"]
> > 
> > Has anyone seen this before?
> 
> Márton Németh did, apparently; a change was checked into the USB 
> dissector after 0.99.7 was released, with the comment:
> 
>       From Márton Németh:
>       When an ISOCHRONOUS URB was captured the packet-usb.c does not handle 
> it.
>       Case URB_ISOCHRONOUS was added at two different places to handle it 
> also.
> 
> so you probably are getting isochronous traffic, and the dissector isn't 
> handling it.
> 
> You might try compiling the current SVN version and using that.  (It 
> requires more tools to be installed than does compiling a release tarball:
> 
>       http://www.wireshark.org/develop.html
> 
> See, for example, the Developer's Guide, linked to from there.
> _______________________________________________
> Wireshark-users mailing list
> Wireshark-users@wireshark.org
> http://www.wireshark.org/mailman/listinfo/wireshark-users
> 




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