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Date:      Sat, 23 Apr 2011 14:27:31 +0200
From:      Hans Petter Selasky <hselasky@c2i.net>
To:        Jan Henrik Sylvester <me@janh.de>
Cc:        multimedia-list freebsd <freebsd-multimedia@freebsd.org>
Subject:   Re: webcamd regression 0.1.20->0.1.23: recv bulk message failed: -32
Message-ID:  <201104231427.31513.hselasky@c2i.net>
In-Reply-To: <4DB2C281.2080305@janh.de>
References:  <4DAB4E21.3070906@janh.de> <201104211404.41456.hselasky@c2i.net> <4DB2C281.2080305@janh.de>

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On Saturday 23 April 2011 14:13:53 Jan Henrik Sylvester wrote:
> On 04/21/2011 14:04, Hans Petter Selasky wrote:
> > On Wednesday 20 April 2011 23:30:52 Jan Henrik Sylvester wrote:
> >> On 04/18/2011 10:09, Hans Petter Selasky wrote:
> >>> On Sunday 17 April 2011 22:31:29 Jan Henrik Sylvester wrote:
> >>>> With webcamd-0.1.20_1, I could tune into a channel and watch TV almost
> >>>> every time using my 'WideView WT-220U PenType Receiver
> >>>> (Typhoon/Freecom)'. With webcamd-0.1.23, Kaffeine almost always hangs
> >>>> and Typhony ( http://raaf.atspace.org/dvbusb/ ) hangs switching
> >>>> channels.
> >>>> 
> >>>> I did debug builds from both versions. The output is identical until
> >>>> all the devices are created, but after that, 0.1.23 prints about once
> >>>> a second: 'dvb-usb: recv bulk message failed: -32'
> >>>> 
> >>>> The complete debug output is below in case it is interesting. The
> >>>> device has already had the firmware loaded (as it does not make a
> >>>> difference with which version of webcamd that is done).
> >>>> 
> >>>> This is all on 8.2-RELEASE/amd64 with all other ports up to date
> >>>> (including cuse4bsd-kmod-0.1.14).
> >>>> 
> >>>> Anything else, I should test?
> >>>> 
> >>>> Thanks,
> >>>> Jan Henrik
> >>> 
> >>> There was a kernel bugfix which might fix this issue. Could you cvs or
> >>> svn up to 8-stable?
> > 
> > Then you should checkout webcamd using svn, and build the version until
> > you find the delta that was causing the breakage. Or do a diff between
> > the two tarballs.
> 
> I tried to use svn-bisect but failed, since I did not know how to use it
> encountering compile error for a revision. Thus, I did it manually, but
> could not reproduce the error.
> 
> While webcamd from svn always works with kaffeine, webcamd from ports
> still fails. I did this in a clean directory:
> 
> setenv HAVE_HAL YES
> tar xvjf /usr/ports/distfiles/webcamd-0.1.24.tar.bz2
> cd webcamd-0.1.24/patches/
> ./do_patch.sh
> cd ..
> make
> ./webcamd -d 0.7 -H
> #kaffeine hangs tuning
> cd ..
> svn --username anonsvn --password anonsvn checkout -r 1786
> svn://svn.turbocat.net/i4b/trunk/usbcam/ulinux
> cd ulinux && make fetch && cd patches/ && ./do_patch.sh && cd .. && make
> -j3 all
> ./webcamd -d 0.7 -H
> #kaffeine works fine
> cd ..
> rm -fR ulinux/
> svn --username anonsvn --password anonsvn checkout
> svn://svn.turbocat.net/i4b/trunk/usbcam/ulinux
> #Checked out revision 1797
> cd ulinux && make fetch && cd patches/ && ./do_patch.sh && cd .. && make
> -j3 all
> ./webcamd -d 0.7 -H
> #kaffeine works fine
> 
> What is the difference between webcamd-0.1.24.tar.bz2 and r1786 from svn?
> 
> Or is http://www.selasky.org/hans_petter/video4bsd/index.html outdated
> and webcamd from svn should be build differently?
> 
> Thanks,
> Jan Henrik

Just type:

make package

Then compare the resulting tarballs.

--HPS



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