Red Hat Bugzilla – Bug 439622
insufficient permissions of /dev/video0
Last modified: 2009-01-09 01:17:17 EST
Description of problem:
/dev/video0 has rw-rw---- 1 root root permissions which makes it unusable by
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1.plug in ibm web cam
[vikram@mahashiv ~]$ ll /dev/video0
crw-rw---- 1 root root 81, 0 2008-03-29 22:13 /dev/video0
[vikram@mahashiv ~]$ llz /dev/video0
crw-rw---- root root system_u:object_r:v4l_device_t:s0 /dev/video0
insufficient permissions. Have to chmod 666 as root to use the device
ibmcam 48173 0
usbvideo 25925 1 ibmcam
compat_ioctl32 5185 1 usbvideo
videodev 27713 1 usbvideo
v4l2_common 18497 1 videodev
v4l1_compat 15813 1 videodev
Created attachment 299590 [details]
What's the output of
- tree /sys
(If SELinux is in enforcing mode and changing that to permissive mode
(setenforce 0) fixes this problem, then please reassign to selinux-policy.)
I have checked it in both enforcing and permissive mode. The permissions remain
same. Also there is no selinux denial output anytime anywhere, otherwise I would
have filed the bug in that context. I have attached output of ck-list-sessions &
tree /sys as asked.
Created attachment 299608 [details]
output of ck-list-sessions
Created attachment 299610 [details]
output of tree /sys
Driver bug: need device-> symlinks in sysfs.
Must be specific to the ibmcam driver:
| `-- wakeup
|-- subsystem -> ../../../class/video4linux
A uvcvideo camera has this:
|-- device ->
| `-- wakeup
|-- subsystem -> ../../../../../../../../../class/video4linux
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