Can you do the same test with and without -M q35 but both times include -smp 1
I think it might work with the extra param? Damien Sent from Proton Mail Android -------- Original Message -------- On 27/3/26 12:17 pm, Sam James <[email protected]> wrote: > Damien Zammit <[email protected]> writes: > > > This seems problematic: > > > > Failed to set ACPI PIC mode: Input/output error > > > > That would not be good, are you using the exact same gnumach versions? > > Yes, exactly the same. It was done immediately one after the other (and > reproduced twice) for Andreas. > > I have not been able to reproduce yet on 32-bit, Andreas tested 64-bit > only, and I haven't tried 64-bit yet. > > > > > Damien > > > > Sent from Proton Mail Android > > > > > > -------- Original Message -------- > > On 27/3/26 12:01 pm, Damien Zammit <[email protected]> wrote: > > > >> Yes, changing the machine type adds an AHCI disk controller instead of > an IDE one. > >> So there seems to be a problem with piixide driver. > >> > >> Damien > >> > >> Sent from Proton Mail Android > >> > >> > >> -------- Original Message -------- > >> On 27/3/26 9:11 am, Sam James <[email protected]> wrote: > >> > >> > Hi, > >> > > >> > For a friend (Andreas, cc'd), this fails: > >> > > >> > $ qemu-system-x86_64 -drive "file=/tmp/hurd.ext2,format=raw" \ > >> > -accel kvm -m 8G -serial mon:stdio > >> > > >> > while this works (just adding '-M q35'): > >> > > >> > $ qemu-system-x86_64 -drive "file=/tmp/hurd.ext2,format=raw" \ > >> > -accel kvm -m 8G -M q35 -serial mon:stdio > >> > > >> > Versions: > >> > * gnumach: snapshot from debian's repo [0] > (debian/2%1.8+git20260224-4, > >> > but no patches applied from there) > >> > > >> > * hurd: snapshot from debian's repo [1] (debian/1%0.9.git20251029-7, > >> > but no patches applied from there) > >> > > >> > * qemu: 10.2.0 > >> > > >> > [0] > https://salsa.debian.org/hurd-team/gnumach/-/tree/23f9089de7f27aaac94d35212bbb39b4b1772eba > >> > [1] > https://salsa.debian.org/hurd-team/hurd/-/tree/b57889c52cc0496a4ecb3ef74a9e30ca0fc22359 > >> > > >> > I've attached serial console output for both boots. > >> > > >> > > >> > thanks, > >> > sam > >> > >
