I finally found an old computer which still has a floppy controller (I
don't have an actual floppy anywhere, but having one wouldn't expose
this bug at all). I can reproduce the problem there.
Nothing in udisks changed since maverick, and as the problem only occurs
on the live CD, with persistency, then the bug is in casper somewhere. I
debugged this a bit and indeed found that find_cow_device() iterates
over all block devices and runs blkid and other tests on them; this will
time out badly.
In udev and udisks we set up the rules to avoid touching a floppy device
automatically at all costs, for this very reason. casper must do the
same. I figure it wouldn't be very useful to have a persistency file on
a floppy disk anyway.
** Changed in: udisks (Ubuntu Natty)
Status: Triaged => Invalid
** Changed in: udisks (Ubuntu Natty)
Assignee: Martin Pitt (pitti) => (unassigned)
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https://bugs.launchpad.net/bugs/739774
Title:
live session from usb key take very long to start (40 min.) due to
probing of non-existent floppy
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