Re: Kernel Compile Issue

[Aruna Hewapathirane <aruna.hewapathirane@gmail.com>]

On Thu, Jun 24, 2021 at 1:29 PM Thomas Bracht Laumann Jespersen
<t@laumann.xyz> wrote:
>
> > Yes,  I was getting that error when running "sudo make install". I
> > have manually removed
> > all instances of VirtualBox and any guest additions and that warning
> > went away.
>
> Interesting...
>
Interesting ? Don't forget I compiled and installed via make install, so I  had
to manually remove the following entries:

/boot/vmlinuz*KERNEL-VERSION*
/boot/initrd*KERNEL-VERSION*
/boot/System-map*KERNEL-VERSION*
/boot/config-*KERNEL-VERSION*
/lib/modules/*KERNEL-VERSION*/
/var/lib/initramfs/*KERNEL-VERSION*/

Then update the grub configuration:
sudo update-grub2

Then look for any loose ends using 'locate':
locate -b -e *dkms 3.18.2-*

You get the idea. Was definitely not fun :-)

> > When I select the new
> > kernel it goes through all the usual steps of booting then hangs at
> > the graphical login screen where
> > I no longer have a mouse and Ctrl+Alt+F1 does not work either .
>
> Is there a way you could increase the kernel log level to debug, and capture the
> logs during boot? That might be informative.

Hmm... should be possible. Never needed to do this before so another
learning experience for me here. I will get back to you on this.

> > I have given below the output of: sudo time make install 2>&1 | tee
> > make_install.txt
> >
> > ==============================================================
> > sh ./arch/x86/boot/install.sh 3.18.2-testing arch/x86/boot/bzImage \
> >     System.map "/boot"
> > run-parts: executing /etc/kernel/postinst.d/apt-auto-removal
> > 3.18.2-testing /boot/vmlinuz-3.18.2-testing
> > run-parts: executing /etc/kernel/postinst.d/initramfs-tools
> > 3.18.2-testing /boot/vmlinuz-3.18.2-testing
> > update-initramfs: Generating /boot/initrd.img-3.18.2-testing
> > W: Possible missing firmware /lib/firmware/rtl_nic/rtl8107e-2.fw for
> > module r8169
> > W: Possible missing firmware /lib/firmware/rtl_nic/rtl8107e-1.fw for
> > module r8169
> > W: Possible missing firmware /lib/firmware/rtl_nic/rtl8168h-2.fw for
> > module r8169
> > W: Possible missing firmware /lib/firmware/rtl_nic/rtl8168h-1.fw for
> > module r8169
> > run-parts: executing /etc/kernel/postinst.d/zz-update-grub
> > 3.18.2-testing /boot/vmlinuz-3.18.2-testing
> > Generating grub configuration file ...
> > Found background image: /usr/share/images/desktop-base/desktop-grub.png
> > Found linux image: /boot/vmlinuz-3.18.2-testing
> > Found initrd image: /boot/initrd.img-3.18.2-testing
> > Found linux image: /boot/vmlinuz-3.18.2-testing.old
> > Found initrd image: /boot/initrd.img-3.18.2-testing
> > Found linux image: /boot/vmlinuz-3.16.0-4-amd64
> > Found initrd image: /boot/initrd.img-3.16.0-4-amd64
> > Found memtest86+ image: /boot/memtest86+.bin
> > Found memtest86+ multiboot image: /boot/memtest86+_multiboot.bin
> > Found Windows 7 (loader) on /dev/sda1
> > Found Ubuntu 12.04.5 LTS (12.04) on /dev/sdb1
> > Found Debian GNU/Linux (6.0.5) on /dev/sdb3
> > Found Debian GNU/Linux (8.0) on /dev/sdb5
> > Found Ubuntu 14.04.3 LTS (14.04) on /dev/sdb6
> > done
> > 1.33user 0.71system 0:29.75elapsed 6%CPU (0avgtext+0avgdata 16520maxresident)k
> > 251456inputs+74824outputs (52major+1632571minor)pagefaults 0swaps
> >
> > ==============================================================
> >
> > Like I said I have a lot of old kernels lying around this box :-)
>
> And Windowses :-) But nothing looks particularly erroneous about the output.

I used to work from home as a remote agent for a call center and they
had a policy
we had to use Windows no exceptions.  I tried to convert them to Linux
and you all
know how that went :-)

> > The contents of the Makefile in ./arch/x86/include at line 167:
> >
> > 166 - # prevent gcc from generating any FP code by mistake
> > 167 - KBUILD_CFLAGS += -mno-sse -mno-mmx -mno-sse2 -mno-3dnow
> > 168 - KBUILD_CFLAGS += $(call cc-option,-mno-avx,)
>
> Interesting, I see no mention of "Makefile.normal" here. But maybe that's
> because you removed whatever required it?

Could well be ... but 'locate' shows me this:

aruna@debian:~$ locate Makefile.normal
/usr/src/open-vm-tools-9.4.6/vmci/Makefile.normal
/var/lib/dkms/open-vm-tools/9.4.6/build/vmci/Makefile.normal

Does that help or make any sense ?

> > You have pointed me in the right direction so thank you. Ten plus years
> > I have been dabbling with Linux and I just learnt something new. I had no idea
> > about this:
> >
> > aruna@debian:/media/aruna/kernel-stuff/linux-3.18.2$ ls -alh
> > /etc/kernel/postinst.d
> > total 20K
> > drwxr-xr-x 2 root root 4.0K Jun 23 06:18 .
> > drwxr-xr-x 7 root root 4.0K Mar 31 00:45 ..
> > -rwxr-xr-x 1 root root 2.8K Apr 13  2015 apt-auto-removal
> > -rwxr-xr-x 1 root root  858 Mar  1  2015 initramfs-tools
> > -rwxr-xr-x 1 root root  641 Dec 14  2015 zz-update-grub
> >
> > Thank you Thomas I will keep trying to fix the no mouse issue now.
>
> No problem, I wasn't sure if I was helping :-)

Yes sir you most certainly did help.

>
> -- Thomas

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