Hello,
Le 27 février 2026 10:17:24 GMT+02:00, Jan Jaeger <[email protected]> a
écrit :
>I have installed the smp kernel and am trying to run with more than one CPU
>(under QEMU) and I do get lockups, where it appears that one CPU goes into
>a loop and the system stalls.
>
>I have no issues when I run with -smp 1 (on the qemu commandline), however
>it does lock up with -smp 2 or more. Also, it appears that it gets a lot
>further when I specify more CPUs (e.g. 8), but it then still locks up, but
>at a later stage.
>
>My qemu config is:
>
>kvm -m 16G -cpu host -smp 2 \
>
Currently smp 2 has a bug. I have fill a fix for that. Until it is merge test
with smp 6 to check what happens. And try to use -M q35 not -cpu host
> -net nic,model=e1000,macaddr=00:00:00:00:00:04 \
>
> -net tap,ifname=tap1,script=no,downscript=no \
>
> -device ich9-ahci,id=ahci \
>
> -device ide-hd,drive=disk0,bus=ahci.0 \
>
> -drive
>id=disk0,if=none,format=raw,cache=writeback,media=disk,file=disk-amd64.img \
>
> -display curses
>
>
>and my grub config is:
>
> set default="0"
>
> set timeout=5
>
> menuentry "Debian GNU/Hurd amd64" {
>
> insmod ext2
>
> set root=(hd0,1)
>
> multiboot /boot/gnumach-1.8-amd64-smp.gz
>root=part:1:device:wd0
>
> module /hurd/pci-arbiter.static pci-arbiter \
>
> --host-priv-port='${host-port}'
>--device-master-port='${device-port}' \
>
> --next-task='${disk-task}' \
>
> '$(pci-task=task-create)' '$(task-resume)'
>
> module /hurd/rumpdisk.static rumpdisk \
>
> --next-task='${fs-task}' \
>
> '$(disk-task=task-create)'
>
> module /hurd/ext2fs.static ext2fs --readonly \
>
> --multiboot-command-line='${kernel-command-line}'
>\
>
> --exec-server-task='${exec-task}' -T typed
>'${root}' \
>
> '$(fs-task=task-create)'
>
> module /lib/ld-x86-64.so.1 exec /hurd/exec
>'$(exec-task=task-create)'
>
> }
>
>
>
>Any thoughts?
>
>Many thanks,
>
>Jan
>
>
>On Fri, Feb 27, 2026 at 12:40 AM NexusSfan <[email protected]> wrote:
>
>> On 2/25/26 5:49 AM, Samuel Thibault wrote:
>> > Hello,
>> >
>> > The amd64-smp kernel has been installed in debian, it's available on
>> > http://incoming.ports.debian.org/buildd
>> > and will be available on archive mirrors within 6h.
>>
>> Love it! Was able to run it on my T420 with no issues. Now, to figure
>> out how to use it as the default gnumach on grub...
>>
>> >
>> > Samuel
>> >
>>
>> --
>> NexusSfan
>> GNU.org - Please support free software.
>>
>>
