On 31/12/2019 07:52, Aaron Janse wrote: > Hello all, > > After attempting to install QubesOS on a new laptop, I've stumbled upon > a group of people with an assortment of laptops but all the same > problem: a Xen panic stating "IO-APIC + timer doesn't work!" > > Many of us are on different stages of debugging this, so I'll cite all > our efforts here. >
<snip> > # Excerpts from boot logs > > Qubes on my XPS 7390 13" > > (XEN) ..TIMER: vector=0xF0 apic1=0 pin1=2 apic2=-1 pin2=-1 > (XEN) ..MP-BIOS bug: 8254 timer not connected to IO-APIC > (XEN) ...trying to set up timer (IRQ0) through 8259A ,,, > (XEN) ...trying to set up timer as Virtual Wire IRQ... failed. > (XEN) ...trying to set up timer as ExtINT IRQ...spurious 8259A interrupt: > IRQ7. > (XEN) CPU0: no irq handler for vector e7 (IRQ -8) > (XEN) IRQ7 a=0001[0001,0000] v=60[ffffffff] t=IO-APIC-edge s=00000002 > (XEN) failed :(. > (XEN) > (XEN) *************************************** > (XEN) Panic on CPU 0: > (XEN) IO-APIC + timer doesn't work! Boot with apic_verbosity=debug and > send a report. Then try booting with the 'noapic' option > (XEN) *************************************** Is there any full boot log in the bad case? Debugging via divination isn't an effective way to get things done. (Irrespective, I'm pretty sure this is a Grub2+EFI issue failing to pass the ACPI tables to Xen, and this eventual panic is just cascade fallout.) ~Andrew _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
