Re: 64bit startup

[Samuel Thibault]

Samuel Thibault, le mer. 09 août 2023 22:58:20 +0200, a ecrit:
> Samuel Thibault, le mar. 08 août 2023 23:28:02 +0200, a ecrit:
> > Samuel Thibault, le mar. 08 août 2023 19:15:50 +0200, a ecrit:
> > > The issue I'm still seeing now is that I cannot get to install some
> > > packages, such as libicu72. When I pass it as extra package to
> > > debootstrap, it does get installed, but when I "dpkg -i" it by hand,
> > > things halt.
> > 
> > BTW, to get rumpdisk out of the equation, it would be useful to work on
> > moving the kernel map below 0xffffffff80000000, so we do not get any
> > size constraint on it, and thus are able to load initrds of whatever
> > size, provided that we have the memory.
> 
> BTW, using gunzip:device:rd0 and module --nounzip in grub allows to get
> grub to load the gz version and let ext2fs unzip it into memory, so the
> memory pressure is less of a concern, and one can create a large sparse
> image, that'll be all in memory without making the initrd.gz large.

Also, that allows the ramdisk pages to go to high-memory rather than
stay stuck below 4G where grub could load it.

Samuel