Bug#1035854: Bookworm netboot image fails in VM

[Moritz Mühlenhoff <jmm@inutil.org>]

Moritz Muehlenhoff wrote:
> call. $MENU is set to '/usr/bin/main-menu' and in fact running
> 
> "debconf -o d-i /usr/bin/main-menu" tries to emit some output (I can see the cursor
> moving), but drops back to the shell right away.
> 
> I'm not familiar with cdebconf, if there's some suggested steps to narrow down the
> failure further, I'm happy to try them.

Looking at dmesg, there's actually a log entry about steal-ctty segfaulting:

[    1.945968] steal-ctty[139]: segfault at 0 ip 00007f3c073b9fa0 sp 00007fff38 0)b70 error 4 in libc.so.6[7f3c0730b000+155000] likely on CPU 0 (core 0, socket
[    1.946977] Code: 2e 04 00 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 41 5f 84 47 01 00 00 49 89 f4 be 2f 00 00 00 48 89 fb 49 89 45 c8 31 c0 <80> 3f 00 0f

Cheers,
        Moritz