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[Qemu-devel] Re: [Qemu-commits] [COMMIT 733318e] don't call cpu_sychroni

From: Gerd Hoffmann
Subject: [Qemu-devel] Re: [Qemu-commits] [COMMIT 733318e] don't call cpu_sychronize_state from reset handlers
Date: Thu, 10 Sep 2009 12:16:11 +0200
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On 09/10/09 00:37, Anthony Liguori wrote:
From: Glauber Costa<address@hidden>

Doing this will make the vcpu ioctl be issued from the I/O thread, instead
of cpu thread. The correct behaviour is to call it from within the cpu thread,
as soon as we are ready to go.

With this patch booting rawhide stops working.
The kernel has trouble setting up the timer and stops after hpet setup:

[ ... ]
..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
..MP-BIOS bug: 8254 timer not connected to IO-APIC
...trying to set up timer (IRQ0) through the 8259A ...
..... (found apic 0 pin 2) ...
....... failed.
...trying to set up timer as Virtual Wire IRQ...
..... failed.
...trying to set up timer as ExtINT IRQ...
..... works.
[ ... ]
hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0
hpet0: 3 comparators, 64-bit 100.000000 MHz counter
[ kernel hangs here ]


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