On venerdì 20 gennaio 2012 15:48:51 Lucas De Marchi wrote: > On Fri, Jan 20, 2012 at 12:25 PM, Lucas De Marchi > > <lucas.demarchi@xxxxxxxxxxxxxx> wrote: > > On Fri, Jan 20, 2012 at 10:26 AM, Silvan Calarco > > > > <silvan.calarco@xxxxxxxxxxxx> wrote: > >> On giovedì 19 gennaio 2012 19:47:23 Lucas De Marchi wrote: > >>> On Thu, Jan 19, 2012 at 4:16 PM, Silvan Calarco > >>> > >>> <silvan.calarco@xxxxxxxxxxxx> wrote: > >>> > On giovedì 19 gennaio 2012 18:27:47 Lucas De Marchi wrote: > >>> >> Hi, Silvan > >>> >> > >>> >> [ CC'ing linux-modules@xxxxxxxxxxxxxxx that is kmod's mailing list ] > >>> >> > >>> >> On Thu, Jan 19, 2012 at 2:52 PM, Silvan Calarco > >>> >> > >>> >> <silvan.calarco@xxxxxxxxxxxx> wrote: > >>> >> > Hello, > >>> >> > I'm trying to migrate our openmamba live media from using > >>> >> > module-init-tools to kmod (version 4) but I'm currently seeing a > >>> >> > strange problem which I can't understand. > >>> >> > In short kmod's modprobe only when used from the initramfs (dracut > >>> >> > 14) won't load the squashfs module with 'modprobe squashfs' but > >>> >> > it does with 'modprobe squashfs.ko'. The strange thing is that > >>> >> > with random other modules the behaviour is as expected, e.g. > >>> >> > 'modprobe reiserfs' works. I could not find any difference in > >>> >> > depmod files configuration for squashfs and reiserfs, neither > >>> >> > anything particular is set in /etc/modprobe.* files. > >>> >> > > >>> >> > Here are the results of some tests that might be useful: > >>> >> > > >>> >> > #modprobe -v reiserfs > >>> >> > insmod /lib/modules/3.0mamba/kernel/fs/reiserfs/reiserfs.ko > >>> >> > #modprobe -v squashfs > >>> >> > insmod //squashfs > >>> >> > #modprobe -v squashfs.ko > >>> >> > insmod /lib/modules/3.0mamba/kernel/fs/squashfs/squashfs.ko > >>> >> > >>> >> How did you generate it (with module-init-tools or with kmod)? > >>> > > >>> > With kmod. > >>> > > >>> >> Could > >>> >> you attach your /lib/modules/3.0mamba/modules.dep ? > >>> > > >>> > Here it is. > >>> > >>> You attached the file from your system, not from the iniramfs, right? > >> > >> Yes, altough apparently there is no difference at least for the > >> squashfs.ko line. > >> > >>> If it's not too big, please attach the whole initramfs or put it > >>> somewhere else. > >> > >> You can download it from here: http://www.mambasoft.it/temp/initrd.gz. > >> This initrd is taken from the nightly ISO snapshot which can be > >> downloaded from here: > >> http://www.openmamba.org/distribution/media/livecd-gnome.html > >> > >> On the page there is also a video preview of the ISO boot process. > > > > Did you compile with --enable-debug? > > Ahn, sorry. I forgot modprobe sets the logging level itself. Could you > run instead the following command (yeah, there are 8 "v")? > > modprobe -vvvvvvvv squashfs Ok, new screenshot attached. There is a extra "use mmapped index" line in the failing case which maybe helps to find the clue. Sorry, I didn't have a lot of time today, but now I'm going to join the irc channel. Thanks, Silvan -- mambaSoft di Calarco Silvan Web: http://www.mambasoft.it mambaSoft Store @ http://www.mambastore.it openmamba GNU/Linux development @ http://www.openmamba.org
Attachment:
kmod-debug-2.png
Description: PNG image
