Re: [gentoo-user] Strange hickups while trying to compile a kernel in a chroot

[Fernando Rodriguez]

On 02/25/2017 07:23 AM, Meino.Cramer@×××.de wrote:
> hi,
>
> I am trying to build a linux kernel (vanilla from ftp.kernel.org)
> in my chrooted new root.
>
> make modules install
>
> failed
>
> with:
>
>   CHK     include/config/kernel.release
>   CHK     include/generated/uapi/linux/version.h
>   CHK     include/generated/utsrelease.h
>   CHK     include/generated/bounds.h
>   CHK     include/generated/timeconst.h
>   CHK     include/generated/asm-offsets.h
>   CALL    scripts/checksyscalls.sh
>   CHK     include/generated/compile.h
>   ./scripts/gen_initramfs_list.sh: Cannot open '/usr/share/v86d/initramfs'
> make[1]: *** [usr/Makefile:73: usr/initramfs_data.cpio.gz] Error 1
> make: *** [Makefile:988: usr] Error 2
>
>
> make bImage fails with
>
> (chroot) make bzImage
>   CHK     include/config/kernel.release
>   CHK     include/generated/uapi/linux/version.h
>   CHK     include/generated/utsrelease.h
>   CHK     include/generated/bounds.h
>   CHK     include/generated/timeconst.h
>   CHK     include/generated/asm-offsets.h
>   CALL    scripts/checksyscalls.sh
>   CHK     include/generated/compile.h
>   ./scripts/gen_initramfs_list.sh: Cannot open '/usr/share/v86d/initramfs'
> make[1]: *** [usr/Makefile:73: usr/initramfs_data.cpio.gz] Error 1
> make: *** [Makefile:988: usr] Error 2
>
>
> I look for the magic v83d and found (being at my old root)
>
> [I] sys-apps/v86d
>      Available versions:  0.1.10 {debug x86emu}
>      Installed versions:  0.1.10(02:34:27 02/28/11)(x86emu -debug)
>      Homepage:            https://dev.gentoo.org/~spock/projects/uvesafb/
>      Description:         A daemon to run x86 code in an emulated environment
>
> Is this "quite normal" or does the make process of the kernel make
> false conclusion while being chrooted?
>
> Do I really need initram? ... For years I though my grub had
> booted the kernel which runs my linux directlu...
>
> My commandline to build the kernel at my old root was:
>
>  kernel=/boot/vmlinuz-4091200-64-RT && make -j7 all && make -j7 modules_install && /bin/cp -f ./arch/x86_64/boot/bzImage* $kernel; emerge nvidia-drivers ;emerge app-emulation/virtualbox-modules ;grub-mkconfig -o /boot/grub/grub.cfg
>
> whjch had.
>
> v86d is not installed yet and of course I will install it if needed.
> But I want to get shure, that the chrooted environment has not
> confused the kernel build process...
>
> Thanks for any help in advance!
> Cheers
> Meino

Check the CONFIG_INITRAMFS_SOURCE option.

How did you configure the kernel? Did you used the .config file from
your root system or perhaps ran make oldconfig (I think it tries to use
/proc/config.gz if it can't find it in /boot)?



-- 

Fernando Rodriguez