Date: Fri, 18 Aug 2006 00:34:34 +0200
To: Andrew Morton <akpm@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.18-rc4-mm1 Spurious ACK/NAK on isa0060/serio0, 2.6.18-rc2 is fine
Message-ID: <20060817223434.GA3616@aitel.hist.no>
References: <20060813012454.f1d52189.akpm@osdl.org> <20060817221052.GA3025@aitel.hist.no>
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From: Helge Hafting <helgehaf@aitel.hist.no>
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On Fri, Aug 18, 2006 at 12:10:52AM +0200, Helge Hafting wrote:
> So I tried 2.6.18-rc4-mm1 on my opteron. (Running 64-bit)
> 
> The kernel did not boot, but went into an infinite loop of
> 
> Spurious ACK on isa0060/serio0
> over and over.  I have two keyboards, one attached the usual
> way and another attached where a mouse usually goes.
> This works fine with 2.6.18-rc2, but no longer now.
> One keyboard is dead, and on the other, two of the
> leds blink on and off.
> 
> Unplugging a keyboard changes the repeating message to
> Spurious NAK ... instead.
> 
> Unplugging both keyboards stops the nonsense, but then - no keyboard.
> 
> This kernel also fails to mount root, a fact that is hard to see as
> the stupid messages quickly scroll everything else away.
> That might be something simple like the changed ATA config
> or multithreaded pci probe.
> 
> There just cannot be any program "trying to access hw directly",
> I don't get the root fs so I don't even have init running.
>
I got rid of the multithreaded PCI probe - and the root fs was
recognised again (I have both SATA and SCSI, perhaps they
were probed in wrong order)

Curiously enough, the keyboard trouble went away too.  Odd.
Now posting from a working 2.6.18-rc4-mm1 (With the jiffies hotfix)

Helge Hafting
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