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SubjectRe: Regression: USB/DVB 2.6.26.8 --> 2.6.27.6
Andrew Morton wrote:
> (cc video4linux-list@redhat.com)
>
> On Fri, 14 Nov 2008 20:20:40 +0000 David <david@unsolicited.net> wrote:
>
>
>> I've just tried to upgrade my media server to the latest stable kernel
>> and have found problems with my USB DVB devices. With the new kernel
>> I'm seeing
>>
>> DVB: registering new adapter (Technotrend TT-connect S-2400)
>> DVB: registering frontend 3 (Philips TDA10086 DVB-S)...
>> dvb-usb: recv bulk message failed: -110
>> ttusb2: there might have been an error during control message transfer.
>> (rlen = 0, was 0)
>> dvb-usb: Technotrend TT-connect S-2400 successfully initialized and
>> connected.
>>
>>
As another data point, I've just reproduced this on an x86-64 machine
with just a single S-2400 using 2.6.28-rc5. The reply message seems to
timeout.

[ 99.425530] usb 1-8: new high speed USB device using ehci_hcd and
address 5
[ 99.556976] usb 1-8: configuration #1 chosen from 1 choice
[ 99.764105] dvb-usb: found a 'Technotrend TT-connect S-2400' in cold
state, will try to load a firmware
[ 99.764112] usb 1-8: firmware: requesting dvb-usb-tt-s2400-01.fw
[ 99.810325] dvb-usb: downloading firmware from file
'dvb-usb-tt-s2400-01.fw'
[ 99.872835] usbcore: registered new interface driver dvb_usb_ttusb2
[ 99.880036] usb 1-8: USB disconnect, address 5
[ 99.884293] dvb-usb: generic DVB-USB module successfully
deinitialized and disconnected.
[ 101.637183] usb 1-8: new high speed USB device using ehci_hcd and
address 6
[ 101.770402] usb 1-8: configuration #1 chosen from 1 choice
[ 101.770870] dvb-usb: found a 'Technotrend TT-connect S-2400' in warm
state.
[ 101.771390] dvb-usb: will pass the complete MPEG2 transport stream to
the software demuxer.
[ 101.771522] DVB: registering new adapter (Technotrend TT-connect S-2400)
[ 101.784993] DVB: registering adapter 0 frontend 0 (Philips TDA10086
DVB-S)...
[ 103.788068] dvb-usb: recv bulk message failed: -110
[ 103.788074] ttusb2: there might have been an error during control
message transfer. (rlen = 0, was 0)
[ 103.788312] dvb-usb: Technotrend TT-connect S-2400 successfully
initialized and connected.


Cheers
David


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