pwc driver philips PCVC740: no picture at all

[Christophe Borivant]

Using skype I can capture the sound from the webcam but I can't get any picture.
If the webcam is connected, kopete freeze when trying to configure it.
vlc doesn't show any picture neither.
There are messages in dmesg :

[ 164.020965] process `skype' is using obsolete setsockopt SO_BSDCOMPAT
[ 392.171422] pwc: isoc_init() submit_urb 0 failed with error -28
[ 392.171435] pwc: isoc_init() submit_urb 1 failed with error -28
[ 392.327908] pwc: isoc_init() submit_urb 0 failed with error -28
[ 392.327920] pwc: isoc_init() submit_urb 1 failed with error -28
[ 392.509596] pwc: isoc_init() submit_urb 0 failed with error -28
[ 392.509608] pwc: isoc_init() submit_urb 1 failed with error -28
[ 1393.989614] usb 2-5.3: USB disconnect, address 4
[ 1410.100267] usb 2-5.3: new full speed USB device using ehci_hcd and address 7
[ 1410.309851] usb 2-5.3: configuration #1 chosen from 1 choice
[ 1410.310662] pwc: Philips PCVC740K (ToUCam Pro)/PCVC840 (ToUCam II) USB webcam detected.
[ 1410.708812] pwc: Registered as /dev/video0.
[ 1410.710662] input: PWC snapshot button as /devices/pci0000:00/0000:00:1d.7/usb2/2-5/2-5.3/input/input9
[ 1412.592548] pwc: Failed to set video mode QSIF@10 fps; return code = -110
[ 1413.592625] pwc: Failed to set video mode QSIF@10 fps; return code = -110
[ 2210.599071] usb 2-5.3: USB disconnect, address 7
[ 2227.472819] usb 2-5.3: new full speed USB device using ehci_hcd and address 8
[ 2227.689900] usb 2-5.3: configuration #1 chosen from 1 choice
[ 2227.690714] pwc: Philips PCVC740K (ToUCam Pro)/PCVC840 (ToUCam II) USB webcam detected.
[ 2228.088860] pwc: Registered as /dev/video0.
[ 2228.090707] input: PWC snapshot button as /devices/pci0000:00/0000:00:1d.7/usb2/2-5/2-5.3/input/input10
[ 2229.972716] pwc: Failed to set video mode QSIF@10 fps; return code = -110
[ 2230.971051] pwc: Failed to set video mode QSIF@10 fps; return code = -110

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: linux-image-2.6.32-22-generic 2.6.32-22.33
Regression: Yes
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.32-22.33-generic 2.6.32.11+drm33.2
Uname: Linux 2.6.32-22-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion:
 Advanced Linux Sound Architecture Driver Version 1.0.22.1.
 Compiled on Apr 29 2010 for kernel 2.6.32-22-generic (SMP).
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: cbo 3546 F.... kmix
 /dev/snd/controlC0: cbo 3496 F.... knotify4
                      cbo 3546 F.... kmix
CRDA: Error: [Errno 2] Aucun fichier ou dossier de ce type
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xf9ff8000 irq 30'
   Mixer name : 'Analog Devices AD1989B'
   Components : 'HDA:11d4989b,10438311,00100300'
   Controls : 48
   Simple ctrls : 27
Card1.Amixer.info:
 Card hw:1 'U0x4710x311'/'USB Device 0x471:0x311 at usb-0000:00:1d.7-5.3, full speed'
   Mixer name : 'USB Mixer'
   Components : 'USB0471:0311'
   Controls : 2
   Simple ctrls : 1
Card1.Amixer.values:
 Simple mixer control 'Mic',0
   Capabilities: cvolume cvolume-joined cswitch cswitch-joined penum
   Capture channels: Mono
   Limits: Capture 0 - 3
   Mono: Capture 2 [67%] [50.00dB] [on]
Date: Fri May 7 07:42:07 2010
HibernationDevice: RESUME=UUID=d1fc868a-b0cc-467e-b5b6-35b11698a709
HotplugNewDevices:

HotplugNewMounts:

IwConfig:
 lo no wireless extensions.

 eth1 no wireless extensions.

 eth0 no wireless extensions.
MachineType: System manufacturer P5Q-E
ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.32-22-generic root=UUID=407f7a11-ffc5-4482-835d-1de1e15b15ef ro crashkernel=384M-2G:64M,2G-:128M quiet splash
ProcEnviron:
 SHELL=/bin/bash
 LANG=fr_FR.UTF-8
 LANGUAGE=fr_FR:fr:en_GB:en
RelatedPackageVersions: linux-firmware 1.34
RfKill:

SourcePackage: linux
Symptom: storage
UdisksMonitorLog: Monitoring activity from the disks daemon. Press Ctrl+C to cancel.
WpaSupplicantLog:

dmi.bios.date: 04/06/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2101
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5Q-E
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr2101:bd04/06/2009:svnSystemmanufacturer:pnP5Q-E:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5Q-E:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: P5Q-E
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

[Christophe Borivant (christophe-borivant)]

This was not a bug.
The webcam was connected to an additional pwered usb hub.
Once directly connected to the back of my pc, the webcam just work !