Hi, as far as I can see the kernel doesn't complain about anything. Nothing in the syslog or anywhere else. One thing I forgot to mention: It's no permission problem. I get exactly the same output as root. I've put the output of wodim -VV blank=all -dev=2,0,0 at [1]. Tejun Heo wrote: > Hello, Dominik. > > Dominik Schulz wrote: > >> The Problem seems to affect cd writers attached to this chip, sata as >> well as pata [2]. >> >> Some details of my system: >> Debian etch, running the 2.6.21 Kernel. >> The CD-Writer is a NEC ND-3500AG attachted to the PATA Port of the VIA >> 6421 Chip on an Abit AX8 V2.0 Motherboard. >> lspci -vvv is at [3] >> dmesg at [4] >> the wodim output when trying to blank a cd [5] >> kernel .config at [6] >> > > I need more info to tell what's going on. > > 1. Does the kernel complain about anything during wodim runs? > 2. Please run wodim with -VV and report what it says. > > Thanks. > > [1] - http://blog.gauner.org/dl/wodimvv.txt - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html