On Tue 07 May 2013 at 13:55:48 +0200, Julian Rüger wrote: > I found a bug in Busybox 1.20.2 (Debian 1:1.20.0-7), but before I report > it, I want to make sure it's not a dup of #367605 > (https://groups.google.com/forum/?fromgroups=#!searchin/linux.debian.bugs.dist/busybox$20loop/linux.debian.bugs.dist/fT4wUlqfCV4/d920VARKhCwJ).
Busybox may not be the problem here. > It seems very similar, but there are a number of significant differences, > so I think the cause for the same symptom may be something entirely > unrelated. > > So, here's what I did: > > Boot debian-7.0.0-amd64-netinst.iso (or any other image, I also > tested ...CD-1.iso) via grub2 installed on my USB thumb drive. This of > course only loads the kernel and initrd, so the installer fails to > "Detect and mount CD-ROM". This is perfectly expected, so I press Alt+F2, > mount my USB (mount /dev/sdb1 /mnt) and try to mount the image: Just checking: you used loopback with GRUB? > mount -o loop /mnt/debian-7.0.0-amd64-netinst.iso /cdrom > > This is where the trouble begins. The command never finishes, gives no > output whatsoever, but does not hang, so you can cancel it anytime > pressing Ctrl+C. I discovered that after this, there are tons of loop > device nodes in /dev, so I suspect what happens is something like this: > > Busybox tries to setup the .iso to /dev/loop0 (or any other number), > this fails, so it increases the number (creating the device node if it > does not exist) and tries again. The real bug seems to be that > setting up the loop device always fails, so the above logic enters an > infinite loop. Having no available loop device would account for the failure. [Snip] > Can someone confirm the bug and/or my assumptions? > I would also appreciate some insight into whether this could be the same > problem as in bug #367605. Bug #694247 describes exactly the same issue. As far as d-i is concerned, my opinion is that requesting a resolution via its kernel is in wishlist territory. -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20130507170421.GI25306@desktop
