Re: OpenStack boot regressions caused by "ppc64: Restrict memory allocations for kernel and initrd"

[Stefan Berger]

On 2/14/24 09:31, Mate Kukri wrote:
> Hello,
>
> We have discovered a boot regression on virtual machines in
> Canonical's OpenStack cloud when upgrading from 2.12-rc1 to 2.12 on
> ppc64.
>
> It was tracked down to the following patchset:
> https://lists.gnu.org/archive/html/grub-devel/2023-11/msg00188.html
>
> The boot regressions seem to be related to GRUB running out of memory
> when loading initrds:
> https://objectstorage.prodstack5.canonical.com/swift/v1/AUTH_0f9aae918d5b4744bf7b827671c86842/autopkgtest-noble/noble/ppc64el/z/zsys/20240213_214024_bf6af@/log.gz
>
> As a temporary solution, I have reverted the patchset in Ubuntu, but I
> wonder if anything else is effected by this.

I don't think it's a solution to revert this change since grub is not 
supposed to use the memory described in the cover letter. Can you try to 
give more memory to a VM? How much memory do the VMs have? What 
hypervisor is this, KVM or PowerVM?

> Mate Kukri
>
> _______________________________________________
> Grub-devel mailing list
> Grub-devel@gnu.org
> https://lists.gnu.org/mailman/listinfo/grub-devel