Kernel Compilation Error

[Paul Bolle]

[Send this to the correct list. Does kernelnewbies at nl.linux.org even
exist?]

On Tue, 2014-08-19 at 09:48 +0200, Paul Bolle wrote:
> [fixed top posting.]
> 
> On Tue, 2014-08-19 at 12:51 +0530, Pramod Gurav wrote:
> > On Tue, Aug 19, 2014 at 12:03 PM, Niamathullah sharief
> > <newbiesha at gmail.com> wrote:
> > > when i give "make modules_install" command i am getting the following error
> > >
> > > [root at localhost linux-3.15.1]# make modules_install
> > >   INSTALL arch/x86/crypto/crc32-pclmul.ko
> > > Can't read private key
> > > make[1]: *** [arch/x86/crypto/crc32-pclmul.ko] Error 2
> > > make: *** [_modinst_] Error 2
> > >
> >  It would always be better if you can provide the details of things you
> > are doing and steps you have carried out until it failed.
> > But if I can guess it right you are trying to upgrade kernel on local
> > machine which is x86 based. The failure seems while trying to install
> > newly compiled modules from new kernel(3.15).
> > 
> > I am not sure if your compilation has gone well but I think you should
> > be root to install kernel and modules.
> > Try to install the kernel and moudules as root as it installs them in
> > path which is not accessible to user(under /).
> 
> In Niamathullah Sharief's message I see
>     [root at localhost linux-3.15.1]# make modules_install
> 
> So it appears make modules_install was run as root (sudo is not
> installed on that box?).
> 
> By the way, I've never ran into this error. So I did
>     $ git grep -n "Can't read private key"
>     scripts/sign-file:38:die "Can't read private key\n" if (!$signature_file && !-r $private_key);
> 
> If I'd ran into this error myself I'd start with looking at
> scripts/sign-file and the place(s) where that script is called.
> 
> Hope this helps.
> 
> 
> Paul Bolle