linux-kernel - Re: AMD X2 unsynced TSC fix?

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Message-Id: <1162345608.2961.7.camel@localhost.portugal>
Date:	Wed, 01 Nov 2006 01:46:48 +0000
From:	Sergio Monteiro Basto <sergio@...giomb.no-ip.org>
To:	"Siddha, Suresh B" <suresh.b.siddha@...el.com>
Cc:	Andi Kleen <ak@...e.de>, Lee Revell <rlrevell@...-job.com>,
	Chris Friesen <cfriesen@...tel.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	john stultz <johnstul@...ibm.com>
Subject: Re: AMD X2 unsynced TSC fix?

On Mon, 2006-10-30 at 18:41 -0800, Siddha, Suresh B wrote:
> On Tue, Oct 31, 2006 at 12:03:28AM +0000, Sergio Monteiro Basto wrote:
> > time.c: Lost 300 timer tick(s)! rip mwait_idle+0x33/0x4f)
> > time.c: Lost 300 timer tick(s)! rip mwait_idle+0x33/0x4f)
> > time.c: Lost 300 timer tick(s)! rip mwait_idle+0x33/0x4f)
> > time.c: Lost 300 timer tick(s)! rip mwait_idle+0x33/0x4f)
> 
> Is this the reason why you are saying your system has unsynchronized TSC?
> Some where in this thread, you mentioned that Lost ticks happen even
> when you use  "notsc"
> 
> This sounds to me as a different problem. Can you send us the output
> of /proc/interrupts?

/proc/interrupts on kernel 2.6.18
http://bugzilla.kernel.org/attachment.cgi?id=9384&action=view
dmesg w/o notsc kernel 2.6.19-rc4
http://bugzilla.kernel.org/attachment.cgi?id=9385&action=view
/proc/interrupts kernel 2.6.19-rc4 
http://bugzilla.kernel.org/attachment.cgi?id=9386&action=view
dmesg w/ notsc kernel 2.6.19-rc4 
http://bugzilla.kernel.org/attachment.cgi?id=9387&action=view
/proc/interrupts kernel 2.6.19-rc4
http://bugzilla.kernel.org/attachment.cgi?id=9388&action=view
list of interrupts give by windows XP
http://bugzilla.kernel.org/attachment.cgi?id=9389&action=view

Let me know, if I can help on something.
Thanks,  
-- 
Sérgio M.B.

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