W dniu 6.01.2025 o 19:16, Mateusz Jończyk pisze:
> Hello,
>
>> My questions for this group are:
>>
>> (1) Have any of you succeeded for Debian 12.8 on MIPS64el
>> emulated by QEMU?
> Yes, without much trouble.
>> (2) If so, what is your recipe for the installation command?
> I used qemu-system-mips64el from Ubuntu 20.04:
> "QEMU emulator version 4.2.1 (Debian 1:4.2-3ubuntu6.30)"
>
> I think I used the following command line (copying from Bash history):
>
> qemu-system-mips64el -machine malta -m 1g -cpu 5KEf \
> -kernel debian_installer/malta/netboot/vmlinuz-6.1.0-27-5kc-malta
> \
> -initrd debian_installer/malta/netboot/initrd.gz -drive
> if=none,file=hda.bin,id=hd,format=raw \
> -device virtio-blk-pci,drive=hd -nographic -append console=ttyS0
>
> I used a 20GiB large virtual hard drive.
>
> The files were from the malta/netboot directory from
>
> https://cdimage.debian.org/debian-cd/current/mips64el/iso-cd/debian-12.8.0-mips64el-netinst.iso
>
> There is currently a bug that prevents installation on MIPS processors
> without an FPU,
> ( https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1091858 )
> but the symptoms are different from what you describe. Also, a machine without
> an FPU will be much slower, because the kernel will emulate the FPU
> instructions
> at much cost. So, using 5KEf is preferable to 5KEc.
>
>> (3) If not, did you see the 75%--79% completion, then a hang?
>>
>> (4) What is the magic keyboard sequence for switching to
>> others of the 4 offered views in the installer window?
> I'm afraid this is impossible when using the -nographic switch, as the
> connection is
> over a serial port.
> You could try skipping "-nographic" and use a virtual graphical desktop.
>> (5) Is it possible to capture the installer log on the
>> underlying filesystem, in the hope that is might give
>> clues about the hang?
> It is possible to open a shell (by choosing "back", and then
> "Launch the shell" etc. The installer can be resumed by typing "exit").
> The messages could then be forwarded to some storage:
>
> mkdir /permanent_log
>
> mount /dev/vdx1 /permanent_log
>
> tail -f /var/log/syslog > /permanent_log/syslog &
>
> or perhaps over a network (using "nc").
>
>> (6) Is there an alternate source of package repositories for
>> Debian versions before 11?
> yes: https://www.debian.org/distrib/archive
>> Thanks in advance for your experience, ideas, insight, and
>> suggestions.
> Greetings,
>
> Mateusz
I just realized that you used a 64-bit machine (-cpu 5KEc) with a 32-bit kernel
(vmlinuz-6.1.0-27-4kc-malta):
$QEMU
\
-machine malta
\
-cpu 5KEc
\
-m 2G
\
-nographic
\
-kernel vmlinuz-6.1.0-27-4kc-malta
\
Perhaps this is the issue.
Greetings,
Mateusz
