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** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Tags added: eoan
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https://bugs.launchpad.net/bugs/1872634
Title:
Webcam Z-Star 305b doesn't work in Ubuntu (again)
Status in linux package in Ubuntu:
Incomplete
Bug description:
My webcam Z-Star 305b was supposed to work out of the box [1], but it
doesn't work in bionic. It only shows a black screen.
I've read lots of threads and tried some suggestions, but
unsuccessfully.
At present, I'm using bionic x86_64 with kernel 5.3.0-46-generic,
before that I tried it with 4.15.0-96 and some previous versions.
lsmod |grep gspca output is:
gspca_zc3xx 57344 0
gspca_main 24576 2 gspca_zc3xx
videobuf2_vmalloc 20480 1 gspca_main
videobuf2_v4l2 24576 1 gspca_main
videobuf2_common 49152 2 gspca_main,videobuf2_v4l2
videodev 208896 5
gspca_main,gspca_zc3xx,videobuf2_v4l2,videobuf2_common
lsusb output is:
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 0a5c:21e6 Broadcom Corp. BCM20702 Bluetooth 4.0
[ThinkPad]
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 002: ID 0ac8:305b Z-Star Microelectronics Corp. ZC0305 Webcam
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
I tried several ubuntu-version to figure out if the error was
introduced recently into the kernel but couldn't find any working
version
I've tried cheese, vlc and guvcview.
I've tried LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libv4l/v4l1compat.so
cheese which made change cheese change it's error message and vlc to
not work at all.
I would appreciate any help, because I'm completely lost. :-(
Thanks in advance!
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1)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/media/v4l-drivers/gspca-cardlist.rst
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