From: David Mosberger <davidm@napali.hpl.hp.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [Linux-ia64] Can't boot in SMP with kernel 2.5.50 ia64
Date: Thu, 19 Dec 2002 20:40:46 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590709805618@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590709805616@msgid-missing>
>>>>> On Thu, 19 Dec 2002 08:53:06 +0100 (NFT), Xavier Bru <Xavier.Bru@bull.net> said:
Xavier> Hello,
Xavier> Booting 2.5.50 with David's patch, it seems we can't boot in
Xavier> SMP on an ia64 machine. We get the message: SMP mode
Xavier> deactivated. Problem is due to smp_prepare_cpus() declaring
Xavier> max_cpus as "unsigned int" and testing against the -1 value.
Xavier> Problem was not seen in 2.5.45 because max_cpus was
Xavier> initialized to UINT_MAX.
I think the test in smp_prepare_cpus() is bogus. I changed it to test
just against 0 (as is done in the x86 version of smpboot.c).
--david
next prev parent reply other threads:[~2002-12-19 20:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-19 7:53 [Linux-ia64] Can't boot in SMP with kernel 2.5.50 ia64 Xavier Bru
2002-12-19 20:40 ` David Mosberger [this message]
2002-12-20 8:23 ` Xavier Bru
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