Re: Problem with kmod 4 and 'modprobe squashfs'

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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

Lucas De Marchi
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