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[Bug 204857] Re: USB port disabled by hup (EMI? re enabling)

 

Thank you for helping to improve Mythbuntu by opening this ticket.  Unfortunately the Mythbuntu team does not foresee a time when they will be able to tackle this issue, so I am closing this ticket.  With that being said, if someone else wants to write a patch for this, we will be happy to help push it upstream. Please do not let that action deter you from opening tickets on other issues that you find!
  

** Changed in: mythtv (Ubuntu)
       Status: Confirmed => Won't Fix

-- 
USB port disabled by hup (EMI? re enabling)
https://bugs.launchpad.net/bugs/204857
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Status in “linux” package in Ubuntu: Fix Released
Status in “mythtv” package in Ubuntu: Won't Fix
Status in “yelp” package in Ubuntu: Invalid

Bug description:
Binary package hint: yelp

Description:	Ubuntu hardy (development branch)
Release:	8.04 (amd64)
Mainboard  is based on amd690G chipset.

I have been trying to get my SUB DBV-tuner to work, I have consulted v4l-dvb-users list and drivers are compiled ok and TV-usb-card is initialized correctly.

But when i issue a scan i get these strange usb disconnects / reconnect errors in syslog:

[ 2079.556854] dib0700: firmware started successfully.
[ 2079.757650] dvb-usb: found a 'Pinnacle PCTV 72e DVB-T' in warm state.
[ 2079.757709] dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.
[ 2079.757850] DVB: registering new adapter (Pinnacle PCTV 72e DVB-T)
[ 2079.982150] dvb_register_frontend
[ 2079.982158] DVB: registering frontend 0 (DiBcom 7000PC)...
[ 2080.165536] DiB0070: successfully identified
[ 2080.165546] dvb-usb: Pinnacle PCTV 72e DVB-T successfully initialized and connected.
[ 2164.220052] dvb_frontend_open
[ 2164.220058] dvb_frontend_start
[ 2164.220474] dvb_frontend_ioctl
[ 2164.220477] dvb_frontend_thread
[ 2164.220479] DVB: initialising frontend 0 (DiBcom 7000PC)...
[ 2164.236503] dvb_frontend_ioctl
[ 2164.236509] dvb_frontend_add_event
[ 2164.236055] dvb_frontend_swzigzag_autotune: drift:0 inversion:0 auto_step:0 auto_sub_step:0 started_auto_step:0
[ 2164.316402] dvb_frontend_ioctl

 // I think THIS is the cause of the problem
[ 2164.504843] hub 6-3:1.0: port 7 disabled by hub (EMI?), re-enabling...
[ 2164.504890] usb 6-3.7: USB disconnect, address 4


[ 2164.505094] dvb_unregister_frontend
[ 2164.505096] dvb_frontend_stop
[ 2170.886982] dvb-usb: error while stopping stream.
[ 2170.887011] dvb_frontend_release
[ 2170.887343] dvb-usb: Pinnacle PCTV 72e DVB-T successfully deinitialized and disconnected.
[ 2170.916174] usb 6-3.7: new high speed USB device using ehci_hcd and address 5
[ 2170.953302] usb 6-3.7: configuration #1 chosen from 1 choice
[ 2170.953464] dvb-usb: found a 'Pinnacle PCTV 72e DVB-T' in warm state.
[ 2170.953503] dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.
[ 2170.953617] DVB: registering new adapter (Pinnacle PCTV 72e DVB-T)

I already tried to disable usb autosusbend with good no results (find some issues related to this with google):
put this in rc.local:
echo -1 > /sys/module/usbcore/parameters/autosuspend
sleep 1
/usr/sbin/lsusb

Is this is a kernel bug?

ProblemType: Bug
Architecture: amd64
Date: Fri Mar 21 23:59:33 2008
DistroRelease: Ubuntu 8.04
ExecutablePath: /usr/bin/yelp
Package: yelp 2.22.0-0ubuntu2
PackageArchitecture: amd64
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=fi_FI.UTF-8
 SHELL=/bin/bash
SourcePackage: yelp
Uname: Linux 2.6.24-12-generic x86_64