[linux-next] PPC Lpar fail to boot with error hid: module verification failed: signature and/or required key missing - tainting kernel

[Michael Ellerman]

Abdul Haleem <abdhalee at linux.vnet.ibm.com> writes:

> Hi,
>
> Test : boot
> Machine : Power 8 PowerVM LPAR
> Kernel version : 4.12.0-rc2-next-20170524
> Toolchain : gcc version 5.2.1
> Config : attached
>
> next-20170517 was last good version where we did not see the failure.
> from next-20170519 to today's next-20170524, we see the problem
> everyday.
>
> Kernels fails to boot on PowerVM LPAR with these errors;
>
> Freeing unused kernel memory: 4416K
> This architecture does not have kernel memory protection.
> Loading, please wait...
> mount: mounting udev on /dev failed: Device or resource busy
> W: devtmpfs not available, falling back to tmpfs for /dev

It'll be:

ee35011fd032 ("initramfs: make initramfs honor CONFIG_DEVTMPFS_MOUNT")

cheers