Hi.
On Jul 01 2009, Hans-Georg Bork wrote:
> I didn't use my USB-disk for two or three months now, but I know that
> I never had any trouble ... in the meantime usbmount 0.0.17 came out
> and I believe there is where the trouble starts.
Right. It seems that some change in udev has caused some problems with
usbmount. I'll try to pin down this.
> Unfortunately usbmount 0.0.16 isn't available anymore in debian
> repositories, so I cannot doublecheck if it works with that.
You can get the usbmount versions from the svn repository that I'm
maintaining. Please, use:
svn co svn://svn.debian.org/usbmount/
You can see all the tagged versions there. If you can't, please, let me
know and I see if I can arrange to create some test packages.
> My USB-disk (not flash) has two partitions: 1. vfat 2. ext3. Both
> partitions are recognized and have no errors.
Right. It is strange, but I had a problem quite similar to this one with
some udev versions, but I can't reproduce the problem anymore (I'm using
sid here, with, perhaps, some updated udev).
Can you still reproduce things with udev + usbmount from sid?
> When the disk is connected, it is recognized and usbmount mounts them
> with correct FS types, but both partitions on the exact same location
> (/media/usb0):
>
> -------- excerpt from /var/log/syslog --------
> Jul 1 00:55:06 sokrates usbmount[21916]: mountpoint /media/usb0 is available
> for /dev/sdb2
> Jul 1 00:55:06 sokrates usbmount[21920]: mountpoint /media/usb0 is available
> for /dev/sdb1
> -------- end excerpt from /var/log/syslog --------
>
> It seems that usbmount is in a race when checking the available
> mountpoint and find it both times available ... it's just a matter of
> luck which partition is mounted first. This might lead to data loss,
> since a standard user might not recognize that there is such problem.
Yes, it seems that there is some race condition somewhere and I will try
to check with lockfile-progs what can be done.
Thanks for your bugreport, Rogério Brito.
P.S.: Just out of curiosity, which program do you use to report bugs? I
see it is different from what my reportbug program uses to list the
packages dependencies...
--
Rogério Brito : rbr...@{mackenzie,ime.usp}.br : GPG key 1024D/7C2CAEB8
http://www.ime.usp.br/~rbrito : http://meusite.mackenzie.com.br/rbrito
Projects: algorithms.berlios.de : lame.sf.net : vrms.alioth.debian.org
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