Comment 22 for bug 229879

Hi, I have exactly this problem using fedora 9 and a DVICO FusionHDTV DVB-T Dual Digital 4 card so this is not an ubuntu issue.

uname -r
2.6.27.23-78.2.50.fc9.x86_64

The problem seems to occur randomly (usually immediately after boot) and when it does I get various
" dvb-usb: bulk message failed" messages sometimes accompanied by i2c read errors.

I also get the keyboard stickyness and delay problem which can be "fixed" by

$ sudo rmmod dvb_usb_cxusb

This stops the messages and returns the keyboard to normal (once you are able to successfully type the command in that is)

In my case the system will eventually hang (in the sense that I cannot use the mouse or keyboard or ping the machine)

$ sudo lsusb
Bus 003 Device 003: ID 0fe9:db78 DVICO FusionHDTV DVB-T Dual Digital 4 (ZL10353+xc2028/xc3028) (initialized)
Bus 003 Device 002: ID 0fe9:db78 DVICO FusionHDTV DVB-T Dual Digital 4 (ZL10353+xc2028/xc3028) (initialized)
$ dmesg | grep -i dvico
usb 3-1: Manufacturer: Dvico
usb 3-2: Manufacturer: Dvico
dvb-usb: found a 'DViCO FusionHDTV DVB-T Dual Digital 4' in warm state.
DVB: registering new adapter (DViCO FusionHDTV DVB-T Dual Digital 4)
dvb-usb: DViCO FusionHDTV DVB-T Dual Digital 4 successfully initialized and connected.
dvb-usb: found a 'DViCO FusionHDTV DVB-T Dual Digital 4' in warm state.
DVB: registering new adapter (DViCO FusionHDTV DVB-T Dual Digital 4)
dvb-usb: DViCO FusionHDTV DVB-T Dual Digital 4 successfully initialized and connected.

Its hard to know where to point the finger with this one, but my guess is
the usb subsystem somewhere perhaps related to x86_64 arch.

Sometimes the system will work perfectly (including the TV card) (< 50%) other times not,
perhaps related to the order the the usb devices are initialized.

No new info here, just wanted to note that this occurs on fedora too.

regards

lynton