Public bug reported:

Hello I have an i5 M430 cpu on my HP dv6 laptop.
My question is if i5 cpu are fully supported on ubuntu (generally in linux).
I ask this cause my cpu seems to not work properly.

1° the kernel detects only 1 physical core, not 2 as intel specs
(http://ark.intel.com/Product.aspx?id=43537). In fact I have 4 logical
cores (threads) and just one physical as dmesg says:

[    0.000213] CPU: Physical Processor ID: 0
[    0.000214] CPU: Processor Core ID: 0
[    0.000229] mce: CPU supports 9 MCE banks
[    0.000240] CPU0: Thermal monitoring enabled (TM1)
........
[    0.061392] CPU0: Intel(R) Core(TM) i5 CPU       M 430  @ 2.27GHz stepping 02
[    0.167920] Booting Node   0, Processors  #1
[    0.178107] Initializing CPU#1
[    0.260740]  #2
[    0.270956] Initializing CPU#2
[    0.353550]  #3
[    0.363765] Initializing CPU#3
[    0.444415] Brought up 4 CPUs
[    0.444418] Total of 4 processors activated (18087.19 BogoMIPS).

2° in /proc/acpi/processor I get:

mebi...@marmidha:/proc/acpi/processor$ cat CPU*/info
processor id:            0
acpi id:                 1
bus mastering control:   yes
power management:        no
throttling control:      yes
limit interface:         yes
processor id:            1
acpi id:                 2
bus mastering control:   yes
power management:        no
throttling control:      yes
limit interface:         yes
processor id:            2
acpi id:                 3
bus mastering control:   yes
power management:        no
throttling control:      yes
limit interface:         yes
processor id:            3
acpi id:                 4
bus mastering control:   yes
power management:        no
throttling control:      yes
limit interface:         yes

so I do not have cpu power managment that means a poor battery life (I
have about 1h 20mins)

3° Intel Corporation 5 Series/3400 Series chipset do not have sensors. I
used a patch found on lm_sensors page to get support for P55 chipset and
now I get:

intel-pci-00fe
Adapter: PCI adapter
thermal sensor:      +122.0°C                                    
core 0:               +55.5°C                                    
processor:            +58.0°C                                    
internal temperature: +62.0°C

really strange value for thermal sensor.

4° I have no fan. I can load the module but /proac/acpi/fan directory is
empty.

5° i7z reports good values for number of physical cores, turbo mode and
frequencies.

I notice that I have disassebled my DSDT, correct all errors and
warnigns (I alsa tried to merge DSDT and SSDT table with
acpi_no_auto_ssdt) but what I get is only a kernel panic at boot.

Someone can help me?
thx a lot
Claudio

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: linux-image (not installed)
Regression: No
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.35-23.40-generic-pae 2.6.35.7
Uname: Linux 2.6.35.7-1000-thermal-41 i686
NonfreeKernelModules: nvidia wl
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  mebitek   21506 F.... pulseaudio
CRDA: Error: [Errno 2] Nessun file o directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xdb100000 irq 47'
   Mixer name   : 'IDT 92HD75B3X5'
   Components   : 'HDA:111d7603,103c3659,00100202'
   Controls      : 21
   Simple ctrls  : 13
Card1.Amixer.info:
 Card hw:1 'NVidia'/'HDA NVidia at 0xd3000000 irq 48'
   Mixer name   : 'Nvidia GPU 0a HDMI/DP'
   Components   : 'HDA:10de000a,10de0101,00100100'
   Controls      : 16
   Simple ctrls  : 4
Date: Tue Nov 30 17:41:49 2010
HibernationDevice: RESUME=UUID=7aa53de7-d517-42b8-a5f1-36bb548bbcb3
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release Candidate i386 
(20100928)
Lsusb:
 Bus 002 Device 004: ID 064e:a127 Suyin Corp. 
 Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
 Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Hewlett-Packard HP Pavilion dv6 Notebook PC
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35.7-1000-thermal-41 
root=UUID=3ab445b7-970d-464c-b865-4d2790bed83f ro quiet splash nomodeset 
video=uvesafb:mode_option=1366x768-24,mtrr=3,scroll=ywrap apci_osi=Linux
ProcEnviron:
 LANGUAGE=it:it_IT:en
 PATH=(custom, user)
 LANG=it_IT.utf8
 SHELL=/bin/bash
RelatedPackageVersions: linux-firmware 1.38
RfKill:
 0: hp-wifi: Wireless LAN
        Soft blocked: no
        Hard blocked: no
SourcePackage: linux
StagingDrivers: lirc_ene0100
Title: [STAGING]
dmi.bios.date: 05/17/2010
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.1C
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 3659
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 32.25
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: N/A
dmi.modalias: 
dmi:bvnHewlett-Packard:bvrF.1C:bd05/17/2010:svnHewlett-Packard:pnHPPaviliondv6NotebookPC:pvr049D210000241210000020000:rvnHewlett-Packard:rn3659:rvr32.25:cvnHewlett-Packard:ct10:cvrN/A:
dmi.product.name: HP Pavilion dv6 Notebook PC
dmi.product.version: 049D210000241210000020000
dmi.sys.vendor: Hewlett-Packard

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


** Tags: apport-bug i386 maverick needs-upstream-testing staging ubuntu-une

-- 
i5 cpu processor support on HP dv6
https://bugs.launchpad.net/bugs/683221
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