Package: libv4l-0 Version: 1.12.3-1 Severity: important Dear Maintainer,
Originally reported to: https://bugzilla.gnome.org/show_bug.cgi?id=783302 Cheese 3.22.1 video recording program says: "There was an error playing video from the webcam" $ cheese (cheese:3361): Gtk-WARNING **: Theme parsing error: cheese.css:7:35: The style property GtkScrollbar:min-slider-length is deprecated and shouldn't be used anymore. It will be removed in a future version libv4l2: error turning on stream: Input/output error libv4l2: error turning on stream: Input/output error (cheese:3361): cheese-WARNING **: Failed to allocate required memory.: gstv4l2src.c(531): gst_v4l2src_decide_allocation (): /GstCameraBin:camerabin/GstWrapperCameraBinSrc:camera_source/GstBin:bin28/GstV4l2Src:v4l2src1: Buffer pool activation failed A fragment from usb-devices output: T: Bus=01 Lev=02 Prnt=02 Port=02 Cnt=01 Dev#= 3 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=17a1 ProdID=0128 Rev=01.00 S: Manufacturer=TASCORP S: Product=USB2.0 JPEG WebCam C: #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=224mA I: If#= 0 Alt= 0 #EPs= 1 Cls=00(>ifc ) Sub=00 Prot=00 Driver=t613 Particularly the above proves that the USB cable is connected. Reboot does not help. Note that in the not so long past Cheese worked without any problems. I use Debian "testing" rolling release. $ uname -a Linux victor.local 4.9.0-3-686-pae #1 SMP Debian 4.9.25-1 (2017-05-02) i686 GNU/Linux Also: $ gst-launch-1.0 v4l2src \! xvimagesink Setting pipeline to PAUSED ... Pipeline is live and does not need PREROLL ... Setting pipeline to PLAYING ... New clock: GstSystemClock libv4l2: error turning on stream: Input/output error ERROR: from element /GstPipeline:pipeline0/GstXvImageSink:xvimagesink0: Output window was closed Additional debug info: xvimagesink.c(555): gst_xv_image_sink_handle_xevents (): /GstPipeline:pipeline0/GstXvImageSink:xvimagesink0 Execution ended after 0:00:28.004134396 Setting pipeline to PAUSED ... Setting pipeline to READY ... libv4l2: error turning on stream: Input/output error Setting pipeline to NULL ... Freeing pipeline ... After "libv4l2: error turning on stream: Input/output error" there was created a window. The rest output appeared after I closed the window. -- System Information: Debian Release: 9.0 APT prefers testing APT policy: (990, 'testing'), (500, 'stable-updates'), (500, 'unstable'), (500, 'stable') Architecture: i386 (i686) Kernel: Linux 4.9.0-3-686-pae (SMP w/8 CPU cores) Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/bash Init: systemd (via /run/systemd/system) Versions of packages libv4l-0 depends on: ii libc6 2.24-10 ii libv4lconvert0 1.12.3-1 libv4l-0 recommends no packages. libv4l-0 suggests no packages. -- no debconf information
