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From: Dave Jones <davej@redhat.com>
To: Ashley Pittman <ashley@quadrics.com>
Cc: cpufreq <cpufreq@www.linux.org.uk>
Subject: Re: Patch to stop i386 longhaul from deadlocking the kernel
Date: Thu, 20 Nov 2003 12:46:13 +0000	[thread overview]
Message-ID: <20031120124613.GA12049@redhat.com> (raw)
In-Reply-To: <1068045570.23318.34.camel@ashley>

On Wed, Nov 05, 2003 at 03:19:30PM +0000, Ashley Pittman wrote:

 > This patch stops the deadlock in the case where the speed of the fsb is
 > undetected.  I've also made the guess function more vague so it can
 > detect the correct speed for my cpu, it might need to be even more vague
 > for other cpu's.

0xbf seems bizarre. Something went wrong somewhere.
Can you put some printk's in there, so I can see what values _guess()
and guess_fsb() are being called with ?

 > I am still unable to change the CPU speed even with this patch however. 

You're not the first report I've had of this. I'm not sure what I broke.
It was a case of 'fix for some, break others'.

 > longhaul: VIA C3 'Ezra' [C5C] CPU detected. Longhaul v1 supported.
 > longhaul: MinMult=3.0x MaxMult=6.0x
 > longhaul: FSB: 0MHz Lowestspeed=0MHz Highestspeed=0MHz
 > 
 > At this point the whole system would lock solid.

Why it locks up is also odd.

		Dave

  reply	other threads:[~2003-11-20 12:46 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-11-05 15:19 Patch to stop i386 longhaul from deadlocking the kernel Ashley Pittman
2003-11-20 12:46 ` Dave Jones [this message]
2003-11-20 13:24   ` Ashley Pittman
2003-11-20 13:40     ` Dave Jones
2003-11-20 14:12       ` Ashley Pittman

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