Michael, I tried without -smp 1 flag and it still works here with UP (--enable-apic --disable-linux-groups).
My qemu command looks like: qemu-system-i386 -M q35,accel=kvm -m 4096 -net user,hostfwd=tcp::8888-:22 -net nic -display curses -hda /dev/sdd Are you sure you are giving it enough memory? Cheers, Damien On 6/13/25 2:49 AM, Michael Banck via Bug reports for the GNU Hurd wrote: > Hi, > > On Thu, Jun 12, 2025 at 09:54:22PM +0800, Zhaoming Luo wrote: >> On Wed, Jun 11, 2025 at 09:07:10PM +0200, Michael Banck wrote: >>> On Mon, Mar 24, 2025 at 12:25:51PM +0800, Zhaoming Luo wrote: >>>> Integrate HPET so host_get_time, host_get_time64, and host_get_uptime64 >>>> are more precise. The highest precision can be 10ns when this patch is >>>> applied. >>> Is there something else besides this patch that needs to be >>> done/patched/configured to get higher resolution timers? >>> >>> I am running the current gnumach Debian package which (to the best of my >>> knowledge) includes this patch, but clock_getres() still reports >>> 10000000 ns timer resolution and applications like PostgreSQL that rely >>> on timing still have 10ms resolution. >>> >> The current higher resolution depends on HPET, and the HPET will be >> enabled when APIC is enabled[0]. Therefore, please try to compile a >> gnumach kernel with --enable-apic in the ./configure stage. > Alright, I tried that (rebuilding the current Debian unstable gnumach > package), > but (at least on i486) it hangs early on boot in KVM: > > |Loading GNU Mach ... > |Loading the Hurd ... > |ow:13148 high:21913 > |vm_page: HIGHMEM: pages: 301024 (1175M), free: 0 (0M) > |vm_page: HIGHMEM: min:15051 low:18061 high:30102 > |ACPI v1.0 > |HPET at physical address 0xfed00000 > |ACPI: > | rsdp = 0x47ffe1ac6 > | rsdt/xsdt = 0xf8e90ac6 (n = 4) > |8 bit APIC ids > |APIC entry=0xf8e92a1a end=0xf8e92a66 > |APIC entry=0xf8e92a1a end=0xf8e92a66 > |APIC entry=0xf8e92a22 end=0xf8e92a66 > |APIC entry=0xf8e92a2e end=0xf8e92a66 > |APIC entry=0xf8e92a38 end=0xf8e92a66 > |APIC entry=0xf8e92a42 end=0xf8e92a66 > |APIC entry=0xf8e92a4c end=0xf8e92a66 > |APIC entry=0xf8e92a56 end=0xf8e92a66 > |APIC entry=0xf8e92a60 end=0xf8e92a66 > |Unhandled APIC entry type 0x4 > |CPUS: > | CPU 0 - APIC ID 0 - addr=0xf8e96000 > |IOAPICS: > | IOAPIC 0 - APIC ID 0 - addr=0xf8e97000 > |IOAPIC version 0x11 > |IRQ override: pin=0 gsi=2 trigger=EDGE polarity=HIGH > |IRQ override: pin=5 gsi=5 trigger=LEVEL polarity=HIGH > |IRQ override: pin=9 gsi=9 trigger=LEVEL polarity=HIGH > |IRQ override: pin=10 gsi=10 trigger=LEVEL polarity=HIGH > |IRQ override: pin=11 gsi=11 trigger=LEVEL polarity=HIGH > |IOAPIC 0 configured with GSI 0-23 > > > Michael >
