Prior to the round of updates which broke kpackagekit, my LS-120 was working perfectly. I would stick in a superfloppy, it would spin a few seconds, the "plugged in device" window would open, I would click on the device, Dolphin would open up and display the files and directories on the media.
Now, Dolphin hangs when I stick in a superfloppy. Sometimes just the grey window, other times I get the internal white window, but no menu or icons. The system basically hangs. Somethings will continue to function, but not the main KUbuntu launch menu. You are definitely in a reboot situation.
Drive works fine with a 1.44 floppy.
Someone broke something pretty bad with some ATAPI upgrade and Dolphin cannot handle it. I deliberately applied ALL patches and rebooted, then re-tested before filing this bug on 08-23-2009. There is quite a large pool of us who still use the LS-120, mostly we are authors. We use them for revolving and off-site backups. No, CD-RW is not better. We know what works for us.
Today I applied _all_ updates, rebooted, and inserted a ls-120 floppy into the drive. Same thing happens. Dolphin comes up after the device is recognized as "recently plugged in" and I click on it. System is nearly hung at that point. Nothing you click on works, but hitting <Alt><F2> will allow me to enter "reboot" which allows me to select "restart". The shutdown fails though. Starts with error message looking much like follows:
[720.517.023] task scsi_eh_4:648 blocked for more than 120 seconds
then there is a list of other tasks which are also blocked [720.517068] [7120.517183]