I have this problem when attempting to burn an ISO image to a CD using K3b as non-root. Burning as root works fine. The K3b debug output shows the following:
Devices ----------------------- ASUS DRW-24B1ST i 1.00 (/dev/sr0, CD-R, CD-RW, CD-ROM, DVD-ROM, DVD-R, DVD- RW, DVD-R DL, DVD+R, DVD+RW, DVD+R DL) [DVD-ROM, DVD-R Sequential, DVD-R Dual Layer Sequential, DVD-R Dual Layer Jump, DVD-RAM, DVD-RW Restricted Overwrite, DVD-RW Sequential, DVD+RW, DVD+R, DVD+R Dual Layer, CD-ROM, CD-R, CD-RW] [SAO, TAO, RAW, SAO/R96P, SAO/R96R, RAW/R16, RAW/R96P, RAW/R96R, Restricted Overwrite, Layer Jump] [%7] System ----------------------- K3b Version: 17.8.3 KDE Version: 5.37.0 Qt Version: 5.10.1 Kernel: 4.15.0-3-amd64 Used versions ----------------------- cdrecord: 1.1.11 cdrecord ----------------------- /usr/bin/wodim: Operation not permitted. Warning: Cannot raise RLIMIT_MEMLOCK limits. /usr/bin/wodim: Resource temporarily unavailable. Cannot get mmap for 12587008 Bytes on /dev/zero. TOC Type: 1 = CD-ROM cdrecord command: ----------------------- /usr/bin/wodim -v gracetime=2 dev=/dev/sr0 speed=24 -sao driveropts=burnfree - data -tsize=168960s - Interestingly, I am amble to burn an ISO image to a DVD as non-root. Also, as already mentioned, the non-root user is a member of the cdrom group. -- Soren Stoutner 623-262-6169 [email protected]
