[lug] Mount process in uninterruptible sleep

[Chip Atkinson]

Try umount -f from another window.  I've had hung mount commands unhang 
when I did that.

Chip

Chris Riddoch wrote:

> "Riggs, Rob" <RRiggs at doubleclick.net> writes:
> 
> 
>> Your machine needs to be rebooted. Linux has had similar mount problems in
>> the kernel all the way back to 1.x (and likely since inception). There are a
>> number of things that can cause this. My guess would be that the vfat
>> filesystem choked on the data in your disk image. (Are you sure it's vfat
>> rather than msdos?)
> 
> 
> It's a problem with '-t msdos', too.  I just ran an strace with it,
> just to make sure...
> 
> $ sudo mount -t msdos -o loop ./disk.img ./mnt/
> 
> And after spewing out a bunch of normal-looking output, the last
> couple lines are these:
> 
> ioctl(4, LOOP_SET_FD, 0x3)              = 0
> ioctl(4, LOOP_SET_STATUS, 0xbffff3d0)   = 0
> close(4)                                = 0
> close(3)                                = 0
> rt_sigprocmask(SIG_BLOCK, ~[TRAP SEGV], NULL, 8) = 0
> mount("/dev/loop1", "./mnt/", "msdos", 0xc0ed0000, 0x805aee8
> 
> And the cursor blinks at the end of the last line.
> 
> 
>> If this hang can be repeated on the most recent kernel in the series you are
>> using (2.2 or 2.4), then it would be a good idea to post a message to the
>> linux-kernel list describing the problem, how to reproduce it, and offer
>> them access to the data file.
> 
> 
> Well, this was on 2.4.2.  I'm building 2.4.6 right now to see if the
> problem goes away.  The version of mount I'm using is mount-2.10f.
> 
> While I'm at it, I might finally be able to coax the USB drivers into
> working nicely with my hardware and my Handspring Visor.  Whoo.  This
> is living on the edge, for a Debian Potato user.  Nevermind the fact
> that the other distros have been doing USB for a while now...
> 
> --
> Chris Riddoch         |  epistemological  | Send spam to: uce at ftc.gov
> socket at peakpeak.com   |  humility         | 
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