From: Ingo Molnar <mingo@elte.hu>
To: Anton Altaparmakov <aia21@cam.ac.uk>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>,
lkml <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.7-rc1-bk: SMT scheduler bug / crashes on kernel boot
Date: Wed, 26 May 2004 13:44:54 +0200 [thread overview]
Message-ID: <20040526114454.GA10614@elte.hu> (raw)
In-Reply-To: <1085571285.2666.75.camel@imp.csi.cam.ac.uk>
* Anton Altaparmakov <aia21@cam.ac.uk> wrote:
> WARNING: 1 siblings found for CPU0, should be 2
does the patch below fix it?
Ingo
--- linux/arch/i386/kernel/smpboot.c.orig
+++ linux/arch/i386/kernel/smpboot.c
@@ -1110,8 +1110,10 @@ static void __init smp_boot_cpus(unsigne
cpu_set(cpu, cpu_sibling_map[cpu]);
}
- if (siblings != smp_num_siblings)
+ if (siblings != smp_num_siblings) {
printk(KERN_WARNING "WARNING: %d siblings found for CPU%d, should be %d\n", siblings, cpu, smp_num_siblings);
+ smp_num_siblings = siblings;
+ }
}
if (nmi_watchdog == NMI_LOCAL_APIC)
next prev parent reply other threads:[~2004-05-26 11:55 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1085568719.2666.53.camel@imp.csi.cam.ac.uk>
2004-05-26 11:13 ` 2.6.7-rc1-bk: SMT scheduler bug / crashes on kernel boot Nick Piggin
[not found] ` <1085572902.2666.105.camel@imp.csi.cam.ac.uk>
2004-05-26 12:10 ` Nick Piggin
[not found] ` <1085569838.2666.60.camel@imp.csi.cam.ac.uk>
2004-05-26 11:28 ` Nick Piggin
[not found] ` <1085571285.2666.75.camel@imp.csi.cam.ac.uk>
2004-05-26 11:44 ` Ingo Molnar [this message]
2004-05-26 11:45 ` Nick Piggin
2004-05-26 15:54 Nakajima, Jun
2004-05-26 20:52 ` Zwane Mwaikambo
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