[linux-dvb] DVICO 5 USB loses FE_LOCK

Markus Rechberger mrechberger at gmail.com
Thu Apr 6 03:55:21 CEST 2006


Someone also reported this issue with em28xx based devices and a
2.6.16 kernel sounds like a bug in the usbsubsystem...

Markus

On 4/5/06, David Shay <davideshay at gmail.com> wrote:
>
>
>
> On 4/4/06, Michael Krufky <mkrufky at linuxtv.org> wrote:
> > David Shay wrote:
> > > I have a DVICO5 Fusion USB gold box and have gotten it up and running
> > > OK.  I am running 2.6.16 and using the drivers provided in the
> > > kernel.  Sometimes, however, if I run azap on a channel, it gets
> > > FE_LOCK, all is fine, then I ctrl-C to stop azap.  If I run azap
> > > again, I will not get FE_LOCK.  If I rmmod dvb_usb_cxusb and then
> > > modprobe it again, it repairs the symptom.  I am not getting any
> > > errors in dmesg.
> > >
> > > This has happened on two separate systems, as well.  Both gentoo, both
> > > 2.6.16.  One's a pentium-4 and the other an epia.
> > >
> > > Any other debugging or other information I can provide?
> > David-
> >
> > Thank you for writing about this.  I added support for the DViCO
> > Bluebird devices, and I am also experiencing the same issue when using
> > the driver under 2.6.16 ...  The device is able to recover when you
> > remove and re-insert the module, or if you disconnect and reconnect the
> > device, but that isn't practical, considering that you are probably
> > relying on the box to work in order to record HD programs.
> >
> > I have spoken to Patrick about this, and he tells me that the same bug
> > exists in other dvb-usb devices, and also flexcop-usb boxes.  I don't
> > have a flexcop-usb device to test with, but I do have some ideas as to
> > how to prevent this from happening on the FusionHDTV boxes.
>
>
>
> Does this occur on other kernels?  Would a temporary kernel down-grade
> resolve?
>
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>


--
Markus Rechberger



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