Hi Mike, On 10/4/25 1:33 AM, Michael Kelly wrote: > Just a quick update to say that I now also have this hardware working > with APIC on 32 and 64 bit. My interrupt IRQ11 is not being detected > as an override by acpi_apic_parse_table() in > gnumach/i386/i386at/acpi_parse_apic.c and consequently remains as an > 'Edge Triggered' interrupt. I have 'hacked' my local ioapic.c for the > moment to write the ioapic entry for pin 11 as 'Level triggered' until > I can work out (or be told of) the underlying cause which seems to be > commonly attributed to ACPI.
Can you try booting into grub and check the output of 'lsacpi' and see if grub detects an override for pin 11? If there is a mismatch between grub vs gnumach IRQ overrides, or poor defaults, it may be a bug in gnumach. Thanks, Damien
