On Sunday 13 July 2008 08:39:41 am G T Smith wrote:
Plus some further info in both cases... This looks rather odd but it seems as if the available modes are adjusted according to what media is in the device. I would do a few experiments to see what is being reported.
The output is adjusted to media in a drive, which is good to know when troubleshooting: With K3b output is: No media: (K3bDevice::Device) /dev/sr0: Number of supported write speeds via 2A: 7 (K3bDevice::Device) /dev/sr0 : 8467 KB/s (K3bDevice::Device) /dev/sr0 : 7056 KB/s (K3bDevice::Device) /dev/sr0 : 5645 KB/s (K3bDevice::Device) /dev/sr0 : 4234 KB/s (K3bDevice::Device) /dev/sr0 : 2822 KB/s (K3bDevice::Device) /dev/sr0 : 1411 KB/s (K3bDevice::Device) /dev/sr0 Invalid DVD speed: 706 KB/s (K3bDevice::DeviceManager) setting current write speed of device /dev/sr0 to 0 Media in (DVD-RW 2x): (K3bDevice::Device) /dev/sr0: Number of supported write speeds via GET PERFORMANCE: 1 (K3bDevice::Device) /dev/sr0 : 2770 KB/s With wodim output is: No media: Maximum read speed: 8467 kB/s (CD 48x, DVD 6x) Current read speed: 8467 kB/s (CD 48x, DVD 6x) Maximum write speed: 8467 kB/s (CD 48x, DVD 6x) Current write speed: 8467 kB/s (CD 48x, DVD 6x) ... Write speed # 0: 8467 kB/s CLV/PCAV (CD 48x, DVD 6x) Write speed # 1: 7056 kB/s CLV/PCAV (CD 40x, DVD 5x) Write speed # 2: 5645 kB/s CLV/PCAV (CD 32x, DVD 4x) Write speed # 3: 4234 kB/s CLV/PCAV (CD 24x, DVD 3x) Write speed # 4: 2822 kB/s CLV/PCAV (CD 16x, DVD 2x) Write speed # 5: 1411 kB/s CLV/PCAV (CD 8x, DVD 1x) Write speed # 6: 706 kB/s CLV/PCAV (CD 4x, DVD 0x) Media in (DVD-RW 2x): Maximum read speed: 11080 kB/s (CD 62x, DVD 8x) Current read speed: 11080 kB/s (CD 62x, DVD 8x) Maximum write speed: 2770 kB/s (CD 15x, DVD 2x) Current write speed: 2770 kB/s (CD 15x, DVD 2x) ... Write speed # 0: 2770 kB/s CLV/PCAV (CD 15x, DVD 2x) BTW, according to wodim I should use CDs burned on DVD to have higher reading speed, 62x vs. 48x. -- Regards, Rajko http://en.opensuse.org/Portal needs helpful hands. -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org For additional commands, e-mail: opensuse+help@opensuse.org