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Re: cannot link module as non root



On Sun, 2004-04-25 at 10:47 +1000, Dennis Gilmore wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Once upon a time Sunday 25 April 2004 9:05 am, Patrice Dumas wrote:
> > Hi,
> >
> > As Warren asked, I report a failure to build a module as a non root user
> > with kernel 2.6.5-1.327, as a follow up on bug
> >
> > https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=117645
> >
> > It has improved a lot though. Now the compilation seems to be done right,
> > but stage 2 fails.
> >
> > As a user, I get:
> >
> >   CC [M]  /home/pat/src/eagleusb/driver/eu_eth.o
> >   LD [M]  /home/pat/src/eagleusb/driver/eagle-usb.o
> >   Building modules, stage 2.
> >   MODPOST
> > /bin/sh: line 1: ./.__modpost.cmd: Permission denied
> > make[2]: *** [__modpost] Error 1
> > make[1]: *** [modules] Error 2
> My understanding of how modules are built in 2.6 kernels  and definetly from 
> my experience  the user building modules needs write access to the kernel 
> source tree to be able to build modules succesfully.  and your errors are 
> consistent with what i have experienced the only way as a user to build is to 
> change the owner to yourself of the tree or give all write access to the tree
> 
> Dennis
> 
> > And as root it is:
> >
> >   CC [M]  /home/pat/src/eagleusb/driver/eu_eth.o
> >   LD [M]  /home/pat/src/eagleusb/driver/eagle-usb.o
> >   Building modules, stage 2.
> >   MODPOST
> >   LD [M]  /home/pat/src/eagleusb/driver/eagle-usb.ko
> >
> > I attached the full make output. make.pat as a user, make.root as root.
> >
> > Pat

You can get past the .__modpost.cmd problem by symlinking it
to /dev/null:

cd /lib/modules/2.6.5-1.332/build
ln -sf /dev/null .__modpost.cmd

-- 
David T Hollis <dhollis davehollis com>



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