Charles Duffy wrote: > Jan Kiszka wrote: >> Charles Duffy wrote: >>> irq 25, desc: ffffffff803afc80, depth: 1, count: 0, unhandled: 0 >>> ->handle_irq(): ffffffff800b54e3, handle_bad_irq+0x0/0x1f6 >>> ->chip(): ffffffff802ea700, 0xffffffff802ea700 >>> ->action(): 0000000000000000 >>> IRQ_DISABLED set >>> unexpected IRQ trap at vector 19 >>> ..MP-BIOS bug: 8254 timer not connected to IO-APIC >>> timer doesn't work through the IO-APIC - disabling NMI Watchdog! >>> Kernel panic - not syncing: IO-APIC + timer doesn't work! Try using the >>> 'noapic' kernel parameter >> >> Still too early for me, so I didn't get yet if you can trigger this >> guest panic reliably or only sporadically (like I can). In the former >> case I would be very interested in the how! > > Reproduced 100% of the time when using system_reset at the qemu monitor > console coming from a non-panic'd state. (Thus, it happens only every > other time doing a series of boots and system_reset monitor commands).
Mmmh, /that/ sounds like some (re-)initialization issue of the virtualized hardware. OK, once that kernel boots again on latest kvm.git (currently broken due to a different issue), I will try to reproduce it. Thanks, Jan PS: Please keep CCs.
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