linux-kernel - Re: [REGRESSION] 2.6.25 on parisc

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Date:	Tue, 22 Apr 2008 18:44:40 -0600
From:	Grant Grundler <grundler@...isc-linux.org>
To:	James Bottomley <James.Bottomley@...senPartnership.com>
Cc:	Domenico Andreoli <cavokz@...il.com>,
	Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-parisc@...r.kernel.org
Subject: Re: [REGRESSION] 2.6.25 on parisc - CPU 1 is stuck

On Mon, Apr 21, 2008 at 09:43:38AM -0500, James Bottomley wrote:
> On Mon, 2008-04-21 at 01:18 +0200, Domenico Andreoli wrote: 
> > as soon as I booted my dual PA8600 with 2.6.25 I got 1 CPU less. The
> > only other kernel I successfully used on that box is Debian's 2.6.22-3.
> > 
> > Debian never built 2.6.23 for parisc, 2.6.24 was still hanging last
> > time I checked it, 2.6.25 did not even build until recent -rc. So I am
> > not in the best position to bisect.
> 
> Try this one; it's a corrected version of debian 2.6.24-1 for parisc
> systems:
> 
> http://www.parisc-linux.org/~jejb/parisc_debs/linux-image-2.6.24-1-parisc64-smp_2.6.24-5+b1_hppa.deb

thanks! I can try that out tonight too.

> One thing to try with the J series is a 32 bit
> kernel just in case: they're the only SMP systems that will boot 32
> bits, just in case you could try a 32 bit smp kernel.

J-series are the only workstations that are SMP and boot 32-bit.
PA9000 K/D/R-class servers are SMP and can also boot 32-bit kernels.

> As Dave Anglin said, it could be a config problem, although when I have
> CPUs deconfigured by firmware, they usually don't show up in the
> inventory.

*nod* I don't expect CPUs to show up in inventory if they are
deconfigured in BCH. Maybe J-class firmware has this wrong? *shrug*
Something worth checking I guess.

thanks,
grant
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