On Sun, Aug 16, 2015 at 01:22:15AM +0200, Bjoern Eberth wrote: > Hi all, > > As the web bugtracker seems to be broken I write this mail. > > I'm using parted 3.2. All this was tested running a Debian jessie release > within a virtual machine on Windows 8.1 using VMware Workstation 11. > /dev/sdb is an USB cardreader physically connected to the Windows 8.1 > machine and looped to the virtual machine. > > I was executing a script that does 'partprobe /dev/sdb' and immediatly > after that 'dd of=/dev/sdb1 if=<something>'. The result is, that I get a > regular file /dev/sdb1. > > After some more investigation I found, that after executing partprobe the > partition files got removed and readded to the system. > So running the script: > root@debian:~# cat /tmp/test > partprobe /dev/sdb > while true; do > ls -lad /dev/sdb1 > done
udev is responsible for making sure the device nodes are correct. You can't depend on them being present without checking for them first. A udevadm settle after partprobe may also help. -- Brian C. Lane | Anaconda Team | IRC: bcl #anaconda | Port Orchard, WA (PST8PDT)
