On my Macbook I get this problem on startup about 50% of the time.
[17179570.612000] Total of 2 processors activated (6091.81 BogoMIPS).
[17179570.612000] ENABLING IO-APIC IRQs
[17179570.612000] ..TIMER: vector=0x31 apic1=0 pin1=2 apic2=-1 pin2=-1
[17179570.628000] ..MP-BIOS bug: 8254 timer not connected to IO-APIC
[17179570.628000] ...trying to set up timer (IRQ0) through the 8259A ... failed.
[17179570.628000] ...trying to set up timer as Virtual Wire IRQ... failed.
[17179570.648000] ...trying to set up timer as ExtINT IRQ... failed :(.
[17179570.712000] Kernel panic - not syncing: IO-APIC + timer doesn't work! Boot with apic=debug and send a report. Then try booting with the 'noapic' option
[17179570.712000]
Booting with acpi=debug gets me no extra information.
Binary package hint: linux-source-2.6.17
This is not the same as bug #41095.
On my Macbook I get this problem on startup about 50% of the time.
[17179570.612000] Total of 2 processors activated (6091.81 BogoMIPS).
[17179570.612000] ENABLING IO-APIC IRQs
[17179570.612000] ..TIMER: vector=0x31 apic1=0 pin1=2 apic2=-1 pin2=-1
[17179570.628000] ..MP-BIOS bug: 8254 timer not connected to IO-APIC
[17179570.628000] ...trying to set up timer (IRQ0) through the 8259A ... failed.
[17179570.628000] ...trying to set up timer as Virtual Wire IRQ... failed.
[17179570.648000] ...trying to set up timer as ExtINT IRQ... failed :(.
[17179570.712000] Kernel panic - not syncing: IO-APIC + timer doesn't work! Boot with apic=debug and send a report. Then try booting with the 'noapic' option
[17179570.712000]
Booting with acpi=debug gets me no extra information.