Description of problem: Using k3b, I can't copy CDs as a normal user. It complains permission denied when trying to open /dev/sr0. This happens even if I chown the device to my user (moz) I have to run k3b as root. Note that burning CD/DVDs works fine, it's just copying. Version-Release number of selected component (if applicable): k3b-1.0.4-5.fc8 How reproducible: Every time. Steps to Reproduce: 1. Load k3b, choose copy CD as a normal user 2. observe error message 3. Actual results: Error about /dev/sr0 being permission denied Expected results: Able to copy CD Additional info:
ConsoleKit is supposed to give permissions to such devices on login. How are you logging in? What destkop environment are you using?
I'm using gnome and logging in on the real machine via gdm. Note that I'm using user-switcher for another account. Note that I tried chown'ing the device without success. I get on stderr: (K3bDevice::HalConnection) lock queued for /org/freedesktop/Hal/devices/storage_model_DVDR___PX_504A Error trying to open /dev/sr0 exclusively (Device or resource busy). retrying in 1 second. Error trying to open /dev/sr0 exclusively (Device or resource busy). retrying in 1 second. How do I find out what this is? lsof doesn't list anything suspicious.
gnome-volume-manager?
Another user is running that: helen 3770 1 0 Feb22 ? 00:00:00 gnome-volume-manager --sm-client-id default4 as well as me. Killing that lets me continue. So this looks like a user-switching bug - gnome-volume-manager is locking k3b out.
BTW this is a perennial problem with user-switching: it's clearly very buggy in F8. For example, to able to use the sound card, I have to constantly run: for i in /dev/snd/*; do setfacl -m user:moz:rw- $i ; done where "moz" is my user.
ok, I think we've established this to be *not* a k3b bug, reassigning to gdm (user-switch-applet). It's either (ConsoleKit) permissions or gnome-volume-manager seems to be the culprit.
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