Hi Mohamed, On Tuesday 30 March 2010 23:55:38 Mohamed Ikbel Boulabiar wrote: > Hi, > > After suspend/resume, I have my webcam no more working. > The /dev/video0 file still exist, but the webcam won't be used until I do > this : rmmod uvcvideo > modprobe uvcvideo > (2.6.31.8-0.1) > > This is may be caused by a bug somewhere. > These are more information about my hardware : > > I have Microdia webcam > `lsusb` > Bus 001 Device 004: ID 0c45:62c0 Microdia Sonix USB 2.0 Camera > > on openSUSE 11.2 `uname -a` > Linux linux-l365 2.6.31.8-0.1-desktop #1 SMP PREEMPT 2009-12-15 > 23:55:40 +0100 i686 i686 i386 GNU/Linux > > `hwinfo --usb` > > : USB 00.0: 0000 Unclassified device > > [Created at usb.122] > UDI: > /org/freedesktop/Hal/devices/usb_device_c45_62c0_1_3_2_1_7_if0_logicaldev_ > input Unique ID: Uc5H.F0c0EBqBP10 > Parent ID: k4bc.9T1GDCLyFd9 > SysFS ID: /devices/pci0000:00/0000:00:1d.7/usb1/1-4/1-4:1.0 > SysFS BusID: 1-4:1.0 > Hardware Class: unknown > Model: "Microdia LG Webcam" > Hotplug: USB > Vendor: usb 0x0c45 "Microdia" > Device: usb 0x62c0 "LG Webcam" > Revision: "32.17" > Serial ID: "1.3.2.1.7" > Driver: "uvcvideo" > Driver Modules: "uvcvideo" > Device File: /dev/input/event8 > Device Files: /dev/input/event8, /dev/char/13:72, > /dev/input/by-id/usb-LG_Innotek_LG_Webcam_1.3.2.1.7-event-if00, > /dev/input/by-path/pci-0000:00:1d.7-usb-0:4:1.0-event > Device Number: char 13:72 > Speed: 480 Mbps > Module Alias: "usb:v0C45p62C0d3217dcEFdsc02dp01ic0Eisc01ip00" > Driver Info #0: > Driver Status: uvcvideo is active > Driver Activation Cmd: "modprobe uvcvideo" > Config Status: cfg=no, avail=yes, need=no, active=unknown > Attached to: #4 (Hub) > > > If there is a scenario you propose me to do to detect from where comes > the problem, I can apply it. Could you please post the messages printed by the uvcvideo driver and USB core to the kernel log when you suspend and resume your system ? Thanks. -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html