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[Xen-bugs] [Bug 195] Many Timer ISR: Time went backwards logs

To: xen-bugs@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-bugs] [Bug 195] Many Timer ISR: Time went backwards logs
From: bugzilla-daemon@xxxxxxxxxxxxxxxxxxx
Date: Mon, 17 Oct 2005 14:57:04 +0000
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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=195





------- Additional Comments From ryanh@xxxxxxxxxx  2005-10-17 14:57 -------
Interesting.  So your system is using the local apic for interrupt generation,
but you should still have one of the three platform timers running.  Looking at
xen/arch/x86/time.c, I don't see how you could boot without one of the three
timers running:

static void init_platform_timer(void)
{
    if ( !init_cyclone() && !init_hpet() )
        BUG_ON(!init_pit());
}

What hardware are you using?  SMP? real or just hyperthreads?  You still see
this error on latest unstable?

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