Hi Paulo, 2009/9/24 Paulo Assis <[email protected]>: > Juan, > I'm also using karmic, and all my uvc cameras work just fine with the > latest kernel (2.6.31-10) > > Could this be related to your usb hub ? > Have you tried booting with the camera disconnected and plugging it > after booting (hot plug) > Do you see similar the errors in this case?
This is the camera integrated in a MSI Wind Netbook. I cannot physically plug/unplug it. I can enable/disable the camera by pressing FN+F6, which I do not know if it's exactly like (un)plugging the camera. In case I disable the camera and reboot, it is no longer listed by lsusb. I can then enable the camera and the same problem will appear most of the times (in very rare occasions the system will work well) I also thought it was a hub problem, but it works perfectly in jaunty and also in karmic as long as I do not load the uvcvideo module. I am not a developer, but I would say that some initialization made by uvcvideo makes the hub to hung, maybe because the hardware is also buggy. I think the best option now is to know if: 1) Other MSI wind user are having the same problem 2) If uvcvideo initialization has changed from 2.6.28 to 2.6.31 > > Karmic upstart/initscripts have been causing some problems, I had the > boot process broken at least two times now. Udev also has had is share > of problems, the latest updates have fixed most of these issues, but > please remember that karmic is still under heavy development and is > far from stable. I know. > > Best regards, > Paulo Thanks. jorge. > > 2009/9/24 Jorge Juan <[email protected]>: >> Hi! >> >> I am an Ubuntu user running the developing version (karmic, kernel >> 2.6.31) on a MSI Wind netbook. I am getting this in dmesg most of the >> time I boot: >> >> ... >> [ 127.156016] ehci_hcd 0000:00:1d.7: force halt; handhake f8046424 >> 00004000 00000000 -> -110 >> [ 127.724247] hub 1-0:1.0: cannot reset port 6 (err = -108) >> [ 127.724262] hub 1-0:1.0: cannot reset port 6 (err = -108) >> [ 127.724273] hub 1-0:1.0: cannot reset port 6 (err = -108) >> [ 127.724283] hub 1-0:1.0: cannot reset port 6 (err = -108) >> [ 127.724292] hub 1-0:1.0: cannot reset port 6 (err = -108) >> [ 127.724300] hub 1-0:1.0: Cannot enable port 6. Maybe the USB cable is >> bad? >> ... >> >> and USB mass storage does not work. Also I get this one when trying to >> suspend: >> >> ... >> [ 185.881554] PM: Entering mem sleep >> [ 185.881575] Suspending console(s) (use no_console_suspend to debug) >> [ 185.900175] uvcvideo: Failed to set UVC commit control : -108 (exp. 26). >> [ 185.900190] uvcvideo 1-5:1.1: resume error -5 >> [ 185.900213] pm_op(): usb_dev_suspend+0x0/0x10 returns -108 >> [ 185.900223] PM: Device 1-5 failed to suspend: error -108 >> [ 185.900231] PM: Some devices failed to suspend >> ... >> >> Disabling the uvcvideo module (blacklisted) solves the problem >> (scarifying webcam functionality). >> >> The stable ubuntu (jaunty) with kernel 2.6.28 works well. You can find >> a more detailed report at Ubuntu's bug tracking system: >> >> http://bugs.launchpad.net/ubuntu/+source/linux/+bug/435352 >> >> I know I should try the last uvcvideo driver but, do you know if it is >> a known regression in the driver? Is it solved in the current >> development version? >> >> Thanks for your great work. >> >> jorge. >> -- >> Jorge Juan >> _______________________________________________ >> Linux-uvc-devel mailing list >> [email protected] >> https://lists.berlios.de/mailman/listinfo/linux-uvc-devel >> > -- Jorge Juan _______________________________________________ Linux-uvc-devel mailing list [email protected] https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
