No removable media after upgrade

I upgraded from 10.2 to 11.1 As the process took between 1 and 1 1/2 hour, I left my computer a while unattended. In coming back it was stuck at the first start.
After restarting, everything seemed almost OK. the printer and the network card had still to be configured, but this was a quick job. But then I discovered that it is impossible to have access to removable media. If I put a CD in, then it takes a bit too long before the popup screen opens, asking me what to do. If I choose “open in new window” then Konqueror starts with the right reference in de address bar (system:/media/sdb1 of /sr0) but nothing appears and after a while an error screen opens with the text:“Did not receive a reply. Remote application did not sent a reply, message bus security blocked the reply, reply timeout or network connection broken”
The strange thing is that my USB mouse and USB camera work correctly.
By shutdown, I see the following errors:
“unmount fuse control system: failed”
unmount file system: failed
cannot lock /etc/mtab~"

I ran the “repair” option, but this did not solve the problem. I have the impression also that fstab is not read correctly.

Any help welcome! Hubert

Although I’m sure fstab errors would be mentioned in a log somewhere, if you perform the command mount -a (as root) it remounts everything and should you inform of errors, if any.

When I issue a mount command, it hangs. In the process tabel I see 4 more mount’s which seem to hang:
mount -t binfmt_misc none /proc/sys/fs/binfmt_misc (2x)
/bin/mount -t vfat …(seems a command for mounting an absent removable disk!)
mount -a
/sbin/mount.ntfs-3g /dev/sda1 /winndows/C …

So something is going wrong. In mtab I find:
“/dev/sda1 /windows/C fuseblk ro,noexec, …”

So where to look further?

This reads like a bad install to me. If it were me I would:
a. recheck my installation media, and
b. re-install before wasting any more time on the previous bad install.

I followed your advice and started a new clean installation. Now everything is working fine. I wonder if this had something to do with the new way of indicating devices by ID. During upgrade, there was a complaint that some devices were mounted in fstab by “the kernel device name” and the advice was to stop and change that first. But there was no indication on what the new way should be and afterwards I don’t see why the system cold not do it itself. Thanks to all! Hubert