[Bug 530203] [NEW] [LUCID] using mem=nopentium improves boot perfomance on Lenovo-sl12

[Manoj Iyer]

Public bug reported:

booting Lenovo SL-12 with mem=nopentium boot option improves boot
performance. Without this option the OS needs a keypress like SHIFT to
make progress, I have also noticed that mouse movements also helps. I am
attaching a series of boot charts that I created with and without this
option.

All EVEN numbered boot charts are with mem=nopentium

All ODD numbered boot charts are without this option.

You will notice that with the option enabled the boot looks pretty nice,
but without it, there is a lot more IO wait and CPU activity going on.

ProblemType: Bug
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
AplayDevices:
 **** List of PLAYBACK Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  ubuntu     1314 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xfc140000 irq 22'
   Mixer name	: 'Realtek ALC269'
   Components	: 'HDA:10ec0269,17aa6000,00100004'
   Controls      : 13
   Simple ctrls  : 8
Date: Mon Mar  1 11:58:05 2010
DistroRelease: Ubuntu 10.04
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=0c3c4d32-a0d4-4b4b-8d21-d8b55e000c30
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha i386 (20100226)
MachineType: LENOVO 20021,2959
NonfreeKernelModules: wl
Package: linux-image-2.6.32-14-generic 2.6.32-14.20
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-14-generic root=UUID=49d765f6-0004-49cc-bfdc-327399194e5c ro mem=nopentium quiet splash
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-14.20-generic
Regression: No
RelatedPackageVersions: linux-firmware 1.31
Reproducible: Yes
RfKill:
 
SourcePackage: linux
TestedUpstream: No
Uname: Linux 2.6.32-14-generic i686
dmi.bios.date: 05/13/2009
dmi.bios.vendor: LENOVO
dmi.bios.version: 19CN16WW
dmi.board.name: MoutCook
dmi.board.vendor: LENOVO
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnLENOVO:bvr19CN16WW:bd05/13/2009:svnLENOVO:pn20021,2959:pvrLenovoIdeapadS12:rvnLENOVO:rnMoutCook:rvrNotApplicable:cvnLENOVO:ct10:cvrN/A:
dmi.product.name: 20021,2959
dmi.product.version: Lenovo Ideapad S12
dmi.sys.vendor: LENOVO

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 lucid needs-upstream-testing

-- 
[LUCID] using mem=nopentium improves boot perfomance on Lenovo-sl12
https://bugs.launchpad.net/bugs/530203
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