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Bug#421780: marked as done (linux-image-2.6.18-4-686: Kernel with ACPI + SMP + AC power plugged on sony vaio S4M really slow)

Your message dated Wed, 30 Dec 2009 17:41:26 +0100
with message-id <20091230164126.GA18659@galadriel.inutil.org>
and subject line Re: linux-image-2.6.18-4-686: Kernel with ACPI + SMP + AC power plugged on sony vaio S4M really slow
has caused the Debian Bug report #421780,
regarding linux-image-2.6.18-4-686: Kernel with ACPI + SMP + AC power plugged on sony vaio S4M really slow
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
421780: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=421780
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: linux-image-2.6.18-4-686
Version: 2.6.18.dfsg.1-12
Severity: normal


On this laptop (Sony VAIO S4M) if ACPI + SMP is enabled in the kernel 
(the laptop 
isn't an SMP) and the power cable is plugged in the kernel runs REALLY 
slow. I don't know what can cause this problems, but I know is SMP/ACPI 
related, because if I disable ACPI through acpi=off the kernel is back 
to normal speed and this also happens if I recompile the kernel without 
SMP support enabled.

DMESG attached in next message


-- System Information:
Debian Release: 4.0
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.18
Locale: LANG=it_IT.UTF-8, LC_CTYPE=it_IT.UTF-8 (charmap=UTF-8)

Versions of packages linux-image-2.6.18-4-686 depends on:
ii  coreutils                     5.97-5.3   The GNU core utilities
ii  debconf [debconf-2.0]         1.5.11     Debian configuration management sy
ii  initramfs-tools [linux-initra 0.85g      tools for generating an initramfs
ii  module-init-tools             3.3-pre4-2 tools for managing Linux kernel mo

Versions of packages linux-image-2.6.18-4-686 recommends:
ii  libc6-i686                  2.3.6.ds1-13 GNU C Library: Shared libraries [i

-- debconf information:
  linux-image-2.6.18-4-686/preinst/failed-to-move-modules-2.6.18-4-686:
  linux-image-2.6.18-4-686/preinst/lilo-initrd-2.6.18-4-686: true
  shared/kernel-image/really-run-bootloader: true
  linux-image-2.6.18-4-686/preinst/elilo-initrd-2.6.18-4-686: true
  linux-image-2.6.18-4-686/preinst/overwriting-modules-2.6.18-4-686: true
  linux-image-2.6.18-4-686/prerm/removing-running-kernel-2.6.18-4-686: true
  linux-image-2.6.18-4-686/prerm/would-invalidate-boot-loader-2.6.18-4-686: true
  linux-image-2.6.18-4-686/postinst/bootloader-test-error-2.6.18-4-686:
  linux-image-2.6.18-4-686/preinst/abort-overwrite-2.6.18-4-686:
  linux-image-2.6.18-4-686/postinst/old-system-map-link-2.6.18-4-686: true
  linux-image-2.6.18-4-686/postinst/depmod-error-2.6.18-4-686: false
  linux-image-2.6.18-4-686/preinst/abort-install-2.6.18-4-686:
  linux-image-2.6.18-4-686/preinst/lilo-has-ramdisk:
  linux-image-2.6.18-4-686/postinst/bootloader-error-2.6.18-4-686:
  linux-image-2.6.18-4-686/postinst/depmod-error-initrd-2.6.18-4-686: false
  linux-image-2.6.18-4-686/postinst/old-initrd-link-2.6.18-4-686: true
  linux-image-2.6.18-4-686/preinst/bootloader-initrd-2.6.18-4-686: true
  linux-image-2.6.18-4-686/preinst/already-running-this-2.6.18-4-686:
  linux-image-2.6.18-4-686/preinst/initrd-2.6.18-4-686:
  linux-image-2.6.18-4-686/postinst/create-kimage-link-2.6.18-4-686: true
  linux-image-2.6.18-4-686/postinst/old-dir-initrd-link-2.6.18-4-686: true
  linux-image-2.6.18-4-686/postinst/kimage-is-a-directory:

--- End Message ---
--- Begin Message --- 
Version: 2.6.30-1

On Mon, Jul 27, 2009 at 10:05:24PM -0400, Mark T.B. Carroll wrote:
> Moritz Muehlenhoff <jmm@inutil.org> writes:
> 
> > On Mon, Jun 08, 2009 at 08:46:44PM -0400, Mark T.B. Carroll wrote:
> >> This looks a bit like a problem I've been having with 2.6.29-4 built
> >> from Debian's Linux source package. My SMP system can slow down a lot
> >> when the AC adaptor is plugged in. kacpid and kacpi_notify get very busy
> >> and when I type letters get missed. I enclose my kernel config and an
> >> extract from a minute's fussing in kern.log in case they help.
> >> 
> >> I apologize if I am mistaken about the relevance of the enclosed.
> >
> > Is this still reprocible with 2.6.30?
> 
> Huh, I've not yet managed to reproduce it with 2.6.30-3. I'm curious:
> did you have specific reason to suspect it had been fixed? (-:

Thanks for the feedback, closing.

Cheers,
        Moritz

--- End Message ---
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