linux-kernel - Re: [Bug #14946] All kernels after 2.6.32-git10 show only 1 CPU

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Date:	Mon, 11 Jan 2010 03:39:59 +0000
From:	Sid Boyce <sboyce@...eyonder.co.uk>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>
Subject: Re: [Bug #14946] All kernels after 2.6.32-git10  show only 1 CPU

On 10/01/10 22:32, Rafael J. Wysocki wrote:
> This message has been generated automatically as a part of a report
> of recent regressions.
> 
> The following bug entry is on the current list of known regressions
> from 2.6.32.  Please verify if it still should be listed and let me know
> (either way).
> 
> 
> Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=14946
> Subject		: All kernels after 2.6.32-git10  show only 1 CPU
> Submitter	: Sid Boyce <sboyce@...eyonder.co.uk>
> Date		: 2009-12-23 16:55 (19 days old)
> References	: http://marc.info/?l=linux-kernel&m=126158734326801&w=4
> 
> 
> 
> 

With 2.6.33-rc3-git3 I now see 2 CPU's every on a normal boot, but its
locking up solid at this part of the boot process as usual.
ACPI: PCI Interrupt Link [AAZA] enabled at IRQ 22
HDA Intel 0000:00:0e.1: PCI INT B -> Link[AAZA] -> GSI 22 (level, low)
-> IRQ 22.
With acpi=noirq (2 CPU's)
================
kvm: Nested Virtualization enabled.
IT8716 Super IO detected
Parport_PC 00:0a: reported by plug and Play ACPI
Parport 0: PC-Style at 0x378, irq 7 [PCSPP, TRISTATE,EPP]
parport: irq 7 in use, resorting to polled operation
HDA Intel 0000:00:0e.1: PCI -> APIC IRQ transform: INT B -> IRQ 11

With acpi=ht (1 CPU)
=============
Hangs at:-
Loading drivees, configuring devices do_IRQ: 0.65 No irq handler for
vector (irq -1)

With acpi=off (2 CPU's)
========================
Hangs at same point as with acpi=noirq.

Regards
Sid.
-- 
Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support
Specialist, Cricket Coach
Microsoft Windows Free Zone - Linux used for all Computing Tasks

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