On Fri, 15 Mar 2024 at 17:24, Radek Podgorny <radek@xxxxxxxxxxx> wrote:
>
> it's systemd-boot. attaching bootctl output. now looking at it, it seems
> that while systemd (and systemd-boot) gets timely updates on my system
> (currently at 255.4), the stub (is this how it's called?) does not get
> updated automatically in the efi partition (still at version 244?).
>
> i can try to update it. but i'll wait for your instructions since this
> may be some rare situation and we may use it for testing.
>
> anyway, i'm compiling new kernel with your suggested changes right now
> so i'll let you know how it turned out, soon.
>
> r.
>
> p.s.: ha! nevermind, i just checked the other systems which boot fine
> and they also are on stub (?) 244 so it's probably not the cause.
>
OK that makes sense.
I installed Arch linux in a VM (what a pain!) but I don't think the
distro has anything to do with it.
I did realize that reverting that patch is not going to be a full
solution in any case.
Could you please try whether the following fix works for you?
--- a/drivers/firmware/efi/libstub/x86-stub.c
+++ b/drivers/firmware/efi/libstub/x86-stub.c
@@ -473,6 +473,9 @@
int options_size = 0;
efi_status_t status;
char *cmdline_ptr;
+ extern char _bss[], _ebss[];
+
+ memset(_bss, 0, _ebss - _bss);
efi_system_table = sys_table_arg;
