Re: 64bit startup

[Samuel Thibault]

Sergey Bugaev, le ven. 26 mai 2023 13:58:29 +0300, a ecrit:
> On Fri, May 26, 2023 at 1:10 PM Sergey Bugaev <bugaevc@gmail.com> wrote:
> > Let me actually try building w/ Luca's patches myself and seeing if
> > that works for me.
> 
> Yes, still works here with the latest gnumach, so Luca's changes are
> not to blame.
> 
> I can reproduce your crash with your gnumach build though; but as it
> happens immediately (before I can attach gdb) I cannot make much sense
> of it. Please rebuild with a patch that busy-waits for a volatile
> variable to be set (from an attached debugger) after Mach starts up,
> but before it tries to load the ELF. Then I'll be able to attach GDB
> and see how it fails.

Here it is:

https://dept-info.labri.fr/~thibault/tmp/gnumach

It's master 377a9387cec7d4bdd6739d3bcc03f77f524adc69 with a busy-loop on
the stop_bootstrap variable at the very beginning of bootstrap_create.
No lines added/removed in the source code.

> And here's my build of gnumach:
> https://darnassus.sceen.net/~bugaevc/gnumach -- perhaps try that.

It does load, but stays stuck when starting ext2fs:

   start ext2fs:

BTW, it seems the control-alt-d kdb shortcut is not working?

Samuel