Alt+tab freezes system when using Compiz

Bug #1745870 reported by Pete Misik
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Ubuntu MATE
New
Undecided
Unassigned

Bug Description

When using the Traditional system layout with Compiz as the window manager, the system will freeze when Alt+Tab is pressed. I had Pluma, Mate-Terminal and Atril open working through a programming pdf.

System report below.

Computer
********

Summary
-------

-Computer-
Processor : Intel(R) Core(TM) i5-2540M CPU @ 2.60GHz
Memory : 8122MB (1372MB used)
Machine Type : Laptop
Operating System : Ubuntu Bionic Beaver (development branch)
User Name : root (root)
Date/Time : Sun 28 Jan 2018 02:36:04 PM EST
-Display-
Resolution : 1366x768 pixels
OpenGL Renderer : NVS 4200M/PCIe/SSE2
X11 Vendor : The X.Org Foundation
-Audio Devices-
Audio Adapter : HDA-Intel - HDA Intel PCH
Audio Adapter : HDA-Intel - HDA NVidia
-Input Devices-
 Lid Switch
 Power Button
 Sleep Button
 Power Button
 AT Translated Set 2 keyboard
 Video Bus
 Logitech M325
 AlpsPS/2 ALPS DualPoint Stick
 AlpsPS/2 ALPS DualPoint TouchPad
 HDA Intel PCH Dock Mic
 HDA Intel PCH Mic
 HDA Intel PCH Dock Line Out
 HDA Intel PCH Headphone
 Dell WMI hotkeys
 HDA NVidia HDMI/DP,pcm:3
 HDA NVidia HDMI/DP,pcm:7
 HDA NVidia HDMI/DP,pcm:8
-Printers (CUPS)-
Canon_MG7100_series
-SCSI Disks-
ATA INTEL SSDSA2M160
HL-DT-ST DVD+-RW GU40N

Operating System
----------------

-Version-
Kernel : Linux 4.13.0-25-generic (x86_64)
Version : #29-Ubuntu SMP Mon Jan 8 21:14:41 UTC 2018
C Library : GNU C Library / (Ubuntu GLIBC 2.26-0ubuntu2) 2.26
Distribution : Ubuntu Bionic Beaver (development branch)
-Current Session-
Computer Name : pete-Latitude-E6420
User Name : root (root)
Language : en_US.UTF-8 (en_US)
Home Directory : /home/pete
-Misc-
Uptime : 13 minutes
Load Average : 0.44, 0.41, 0.27
Available entropy in /dev/random : 3519 bits (healthy)

Kernel Modules
--------------

-Loaded Modules-
binfmt_misc
ccm : Counter with CBC MAC
wmi_bmof : WMI embedded Binary MOF driver
dell_wmi : Dell laptop WMI hotkeys driver
sparse_keymap : Generic support for sparse keymaps
intel_rapl : Driver for Intel RAPL (Running Average Power Limit)
x86_pkg_temp_thermal : X86 PKG TEMP Thermal Driver
dell_rbtn : Dell Airplane Mode Switch driver
intel_powerclamp : Package Level C-state Idle Injection for Intel CPUs
dell_laptop : Dell laptop driver
dell_smbios : Common functions for kernel modules using Dell SMBIOS
coretemp : Intel Core temperature monitor
dcdbas : Dell Systems Management Base Driver (version 5.6.0-3.2)
dell_smm_hwmon : Dell laptop SMM BIOS hwmon driver
kvm_intel
snd_hda_codec_hdmi : HDMI HD-audio codec
kvm
arc4 : ARC4 Cipher Algorithm
irqbypass : IRQ bypass manager utility module
crct10dif_pclmul : T10 DIF CRC calculation accelerated with PCLMULQDQ.
crc32_pclmul
ghash_clmulni_intel : GHASH Message Digest Algorithm, acclerated by PCLMULQDQ-NI
pcbc : PCBC block cipher algorithm
ath9k : Support for Atheros 802.11n wireless LAN cards.
ath9k_common : Shared library for Atheros wireless 802.11n LAN cards.
aesni_intel : Rijndael (AES) Cipher Algorithm, Intel AES-NI instructions optimized
ath9k_hw : Support for Atheros 802.11n wireless LAN cards.
aes_x86_64 : Rijndael (AES) Cipher Algorithm, asm optimized
crypto_simd
glue_helper
cryptd : Software async crypto daemon
ath : Shared library for Atheros wireless LAN cards.
intel_cstate
intel_rapl_perf
mac80211 : IEEE 802.11 subsystem
cfg80211 : wireless configuration support
input_leds : Input -> LEDs Bridge
joydev : Joystick device interfaces
serio_raw : Raw serio driver
snd_hda_codec_idt : IDT/Sigmatel HD-audio codec
snd_hda_codec_generic : Generic HD-audio codec parser
snd_hda_intel : Intel HDA driver
snd_hda_codec : HDA codec core
snd_hda_core : HD-audio bus
snd_hwdep : Hardware dependent layer
wmi : ACPI-WMI Mapping Driver
snd_pcm : Midlevel PCM code for ALSA.
nvidia_uvm
snd_seq_midi : Advanced Linux Sound Architecture sequencer MIDI synth.
snd_seq_midi_event : MIDI byte <-> sequencer event coder
snd_rawmidi : Midlevel RawMidi code for ALSA.
dell_smo8800 : Dell Latitude freefall driver (ACPI SMO88XX)
snd_seq : Advanced Linux Sound Architecture sequencer.
snd_seq_device : ALSA sequencer device management
snd_timer : ALSA timer interface
mac_hid
snd : Advanced Linux Sound Architecture driver for soundcards.
lpc_ich : LPC interface for Intel ICH
soundcore : Core sound module
mei_me : Intel(R) Management Engine Interface
shpchp : Standard Hot Plug PCI Controller Driver
mei : Intel(R) Management Engine Interface
sch_fq_codel
parport_pc : PC-style parallel port driver
ppdev
lp
parport
ip_tables : IPv4 packet filter
x_tables : {ip,ip6,arp,eb}_tables backend module
autofs4
hid_logitech_hidpp
hid_logitech_dj
usbhid : USB HID core driver
hid
nvidia_drm
nvidia_modeset
nvidia
drm_kms_helper : DRM KMS helper
syscopyarea : Generic copyarea (sys-to-sys)
sysfillrect : Generic fill rectangle (sys-to-sys)
sysimgblt : 1-bit/8-bit to 1-32 bit color expansion (sys-to-sys)
ahci : AHCI SATA low-level driver
psmouse : PS/2 mouse driver
fb_sys_fops : Generic file read (fb in system RAM)
e1000e : Intel(R) PRO/1000 Network Driver
libahci : Common AHCI SATA low-level routines
drm : DRM shared core routines
sdhci_pci : Secure Digital Host Controller Interface PCI driver
sdhci : Secure Digital Host Controller Interface core driver
ptp : PTP clocks support
pps_core : LinuxPPS support (RFC 2783) - ver. 5.3.6
video : ACPI Video Driver

Boots
-----

-Boots-
Sun Jan 28 14:22 : 4.13.0-25-generi
Sun Jan 28 08:48 : 4.13.0-25-generi
Sun Jan 28 07:19 : 4.13.0-25-generi
Sun Jan 28 07:15 : 4.13.0-25-generi
Sat Jan 27 05:25 : 4.13.0-25-generi
Fri Jan 26 20:09 : 4.13.0-25-generi
Fri Jan 26 17:11 : 4.13.0-25-generi
Fri Jan 26 17:07 : 4.13.0-25-generi
Fri Jan 26 04:46 : 4.13.0-25-generi
Fri Jan 26 04:44 : 4.13.0-25-generi
Fri Jan 26 04:39 : 4.13.0-25-generi
Fri Jan 26 04:33 : 4.13.0-25-generi
Thu Jan 25 19:45 : 4.13.0-25-generi

Languages
---------

-Available Languages-
en_AG : English language locale for Antigua and Barbuda
en_AG.utf8 : English language locale for Antigua and Barbuda
en_AU.utf8 : English locale for Australia
en_BW.utf8 : English locale for Botswana
en_CA.utf8 : English locale for Canada
en_DK.utf8 : English locale for Denmark
en_GB.utf8 : English locale for Britain
en_HK.utf8 : English locale for Hong Kong
en_IE.utf8 : English locale for Ireland
en_IL : English locale for Israel
en_IL.utf8 : English locale for Israel
en_IN : English language locale for India
en_IN.utf8 : English language locale for India
en_NG : English locale for Nigeria
en_NG.utf8 : English locale for Nigeria
en_NZ.utf8 : English locale for New Zealand
en_PH.utf8 : English language locale for Philippines
en_SG.utf8 : English language locale for Singapore
en_US.utf8 : English locale for the USA
en_ZA.utf8 : English locale for South Africa
en_ZM : English locale for Zambia
en_ZM.utf8 : English locale for Zambia
en_ZW.utf8 : English locale for Zimbabwe
C.UTF-8 : C locale

Filesystems
-----------

-Mounted File Systems-
udev /dev 0.00 % (3.8 GiB of 3.8 GiB)
tmpfs /run 0.17 % (791.9 MiB of 793.3 MiB)
/dev/sda1 / 13.29 % (126.3 GiB of 145.7 GiB)
tmpfs /dev/shm 0.65 % (3.8 GiB of 3.9 GiB)
tmpfs /run/lock 0.08 % (5.0 MiB of 5.0 MiB)
tmpfs /sys/fs/cgroup 0.00 % (3.9 GiB of 3.9 GiB)
/dev/loop0 /snap/pulsemixer/8 100.00 % (0.0 B of 7.6 MiB)
/dev/loop1 /snap/core/3887 100.00 % (0.0 B of 81.4 MiB)
tmpfs /run/user/1000 0.00 % (793.2 MiB of 793.3 MiB)

Display
-------

-Display-
Resolution : 1366x768 pixels
Vendor : The X.Org Foundation
Version : 1.19.5
Current Display Name : :0
-Monitors-
Monitor 0 : 1366x768 pixels
-OpenGL-
Vendor : NVIDIA Corporation
Renderer : NVS 4200M/PCIe/SSE2
Version : 4.5.0 NVIDIA 384.111
Direct Rendering : Yes
-Extensions-
Composite
DAMAGE
DOUBLE-BUFFER
DPMS
DRI2
GLX
Generic Event Extension
MIT-SCREEN-SAVER
MIT-SHM
NV-CONTROL
NV-GLX
Present
RANDR
RECORD
RENDER
SECURITY
SHAPE
SYNC
X-Resource
XC-MISC
XFIXES
XFree86-DGA
XFree86-VidModeExtension
XINERAMA
XINERAMA
XInputExtension
XKEYBOARD
XTEST
XVideo
default screen number: 0

Environment Variables
---------------------

-Environment Variables-
LS_COLORS : rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:mi=00:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arc=01;31:*.arj=01;31:*.taz=01;31:*.lha=01;31:*.lz4=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.tzo=01;31:*.t7z=01;31:*.zip=01;31:*.z=01;31:*.Z=01;31:*.dz=01;31:*.gz=01;31:*.lrz=01;31:*.lz=01;31:*.lzo=01;31:*.xz=01;31:*.zst=01;31:*.tzst=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.rar=01;31:*.alz=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.cab=01;31:*.jpg=01;35:*.jpeg=01;35:*.mjpg=01;35:*.mjpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=00;36:*.au=00;36:*.flac=00;36:*.m4a=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.oga=00;36:*.opus=00;36:*.spx=00;36:*.xspf=00;36:
LANG : en_US.UTF-8
DISPLAY : :0
COLORTERM : truecolor
HOME : /home/pete
TERM : xterm
LANGUAGE : en_US
XAUTHORITY : /home/pete/.Xauthority
PATH : /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin
MAIL : /var/mail/root
LOGNAME : root
USER : root
USERNAME : root
SHELL : /bin/bash
SUDO_COMMAND : /usr/bin/hardinfo
SUDO_USER : pete
SUDO_UID : 1000
SUDO_GID : 1000

Development
-----------

-Scripting Languages-
Gambas3 (gbr3) : Not found
Python : 2.7.14
Python2 : 2.7.14
Python3 : 3.6.4
Perl : 5.26.1
Perl6 (VM) : Not found
Perl6 : Not found
PHP : Not found
Ruby : Not found
Bash : 4.4.12(1)-release
-Compilers-
C (GCC) : 7.2.0
C (Clang) : Not found
D (dmd) : Not found
Gambas3 (gbc3) : Not found
Java : 1.8.0
CSharp (Mono, old) : Not found
CSharp (Mono) : Not found
Vala : Not found
Haskell (GHC) : Not found
FreePascal : Not found
Go : Not found
-Tools-
make : 4.1
GDB : (Ubuntu 8.0.1-0ubuntu3) 8.0.1
strace : 4.15
valgrind : Not found
QMake : 2.01a
CMake : Not found
Gambas3 IDE : Not found

Users
-----

-Users-
root : root
daemon : daemon
bin : bin
sys : sys
sync : sync
games : games
man : man
lp : lp
mail : mail
news : news
uucp : uucp
proxy : proxy
www-data : www-data
backup : backup
list : Mailing List Manager
irc : ircd
gnats : Gnats Bug-Reporting System (admin)
nobody : nobody
systemd-timesync : systemd Time Synchronization
systemd-network : systemd Network Management
systemd-resolve : systemd Resolver
syslog
messagebus
_apt
uuidd
rtkit : RealtimeKit
avahi-autoipd : Avahi autoip daemon
usbmux : usbmux daemon
dnsmasq : dnsmasq
lightdm : Light Display Manager
whoopsie
kernoops : Kernel Oops Tracking Daemon
speech-dispatcher : Speech Dispatcher
nm-openvpn : NetworkManager OpenVPN
avahi : Avahi mDNS daemon
saned
pulse : PulseAudio daemon
colord : colord colour management daemon
hplip : HPLIP system user
geoclue
pete : Pete Misik
nvidia-persistenced : NVIDIA Persistence Daemon

Groups
------

-Group-
root : 0
daemon : 1
bin : 2
sys : 3
adm : 4
tty : 5
disk : 6
lp : 7
mail : 8
news : 9
uucp : 10
man : 12
proxy : 13
kmem : 15
dialout : 20
fax : 21
voice : 22
cdrom : 24
floppy : 25
tape : 26
sudo : 27
audio : 29
dip : 30
www-data : 33
backup : 34
operator : 37
list : 38
irc : 39
src : 40
gnats : 41
shadow : 42
utmp : 43
video : 44
sasl : 45
plugdev : 46
staff : 50
games : 60
users : 100
nogroup : 65534
systemd-journal : 101
systemd-timesync : 102
systemd-network : 103
systemd-resolve : 104
input : 105
crontab : 106
syslog : 107
messagebus : 108
netdev : 109
mlocate : 110
ssl-cert : 111
uuidd : 112
rtkit : 113
avahi-autoipd : 114
bluetooth : 115
lightdm : 116
nopasswdlogin : 117
ssh : 118
lpadmin : 119
whoopsie : 120
nm-openvpn : 121
avahi : 122
scanner : 123
saned : 124
pulse : 125
pulse-access : 126
colord : 127
geoclue : 128
pete : 1000
sambashare : 129
nvidia-persistenced : 130

Devices
*******

Processor
---------

-Processors-
Package Information
Intel(R) Core(TM) i5-2540M CPU @ 2.60GHz : 3300.00 MHz
Intel(R) Core(TM) i5-2540M CPU @ 2.60GHz : 3300.00 MHz
Intel(R) Core(TM) i5-2540M CPU @ 2.60GHz : 3300.00 MHz
Intel(R) Core(TM) i5-2540M CPU @ 2.60GHz : 3300.00 MHz

Memory
------

-Memory-
MemTotal Total Memory 8122984 KiB
MemFree Free Memory 5917212 KiB
MemAvailable 6814788 KiB
Buffers 49540 KiB
Cached 848432 KiB
SwapCached Cached Swap 0 KiB
Active 1195964 KiB
Inactive 775336 KiB
Active(anon) 826900 KiB
Inactive(anon) 50516 KiB
Active(file) 369064 KiB
Inactive(file) 724820 KiB
Unevictable 64 KiB
Mlocked 64 KiB
SwapTotal Virtual Memory 2097148 KiB
SwapFree Free Virtual Memory 2097148 KiB
Dirty 56 KiB
Writeback 0 KiB
AnonPages 1073268 KiB
Mapped 440092 KiB
Shmem 51568 KiB
Slab 91536 KiB
SReclaimable 47836 KiB
SUnreclaim 43700 KiB
KernelStack 8332 KiB
PageTables 34508 KiB
NFS_Unstable 0 KiB
Bounce 0 KiB
WritebackTmp 0 KiB
CommitLimit 6158640 KiB
Committed_AS 4803664 KiB
VmallocTotal -1 KiB
VmallocUsed 0 KiB
VmallocChunk 0 KiB
HardwareCorrupted 0 KiB
AnonHugePages 0 KiB
ShmemHugePages 0 KiB
ShmemPmdMapped 0 KiB
CmaTotal 0 KiB
CmaFree 0 KiB
HugePages_Total 0
HugePages_Free 0
HugePages_Rsvd 0
HugePages_Surp 0
Hugepagesize 2048 KiB
DirectMap4k 187856 KiB
DirectMap2M 8157184 KiB

PCI Devices
-----------

-PCI Devices-
Host bridge : Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
PCI bridge : Intel Corporation Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port (rev 09) (prog-if 00 [Normal decode])
Communication controller : Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)
Ethernet controller : Intel Corporation 82579LM Gigabit Network Connection (rev 04)
USB controller : Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 04) (prog-if 20 [EHCI])
Audio device : Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04)
PCI bridge : Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b4) (prog-if 00 [Normal decode])
PCI bridge : Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 (rev b4) (prog-if 00 [Normal decode])
PCI bridge : Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 3 (rev b4) (prog-if 00 [Normal decode])
PCI bridge : Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b4) (prog-if 00 [Normal decode])
PCI bridge : Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 6 (rev b4) (prog-if 00 [Normal decode])
USB controller : Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 04) (prog-if 20 [EHCI])
ISA bridge : Intel Corporation QM67 Express Chipset Family LPC Controller (rev 04)
SATA controller : Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 04) (prog-if 01 [AHCI 1.0])
SMBus : Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 04)
VGA compatible controller : NVIDIA Corporation GF119M [NVS 4200M] (rev a1) (prog-if 00 [VGA controller])
Audio device : NVIDIA Corporation GF119 HDMI Audio Controller (rev a1)
Network controller : Qualcomm Atheros AR928X Wireless Network Adapter (PCI-Express) (rev 01)
SD Host controller : O2 Micro, Inc. OZ600FJ0/OZ900FJ0/OZ600FJS SD/MMC Card Reader Controller (rev 05) (prog-if 01)
Mass storage controller : O2 Micro, Inc. Device 8231 (rev 03)

USB Devices
-----------

-USB Devices-
Broadcom Corp. BCM5880 Secure Applications Processor
Logitech, Inc. Unifying Receiver
Intel Corp. Integrated Rate Matching Hub
Linux Foundation 2.0 root hub
Intel Corp. Integrated Rate Matching Hub
Linux Foundation 2.0 root hub

Printers
--------

-Printers (CUPS)-
Canon_MG7100_series

Battery
-------

-Battery: BAT0-
State : Full
Capacity : 166 / Full
Battery Technology : Li-ion
Manufacturer : Sanyo
Model Number : DELL 2VYF512
Serial Number : 3091

Sensors
-------

-Sensors-
acpitz/temp1 Temperature 25.00°C
dell_smm/fan1 Fan 2887.00RPM
dell_smm/temp1 Temperature 59.00°C
dell_smm/temp2 Temperature 33.00°C
dell_smm/temp3 Temperature 42.00°C
dell_smm/temp4 Temperature 51.00°C
coretemp/temp1 Temperature 57.00°C
coretemp/temp2 Temperature 57.00°C
coretemp/temp3 Temperature 57.00°C
thermal/thermal_zone1 Temperature 59.00°C
thermal/thermal_zone0 Temperature 25.00°C

Input Devices
-------------

-Input Devices-
 Lid Switch
 Power Button
 Sleep Button
 Power Button
 AT Translated Set 2 keyboard
 Video Bus
 Logitech M325
 AlpsPS/2 ALPS DualPoint Stick
 AlpsPS/2 ALPS DualPoint TouchPad
 HDA Intel PCH Dock Mic
 HDA Intel PCH Mic
 HDA Intel PCH Dock Line Out
 HDA Intel PCH Headphone
 Dell WMI hotkeys
 HDA NVidia HDMI/DP,pcm:3
 HDA NVidia HDMI/DP,pcm:7
 HDA NVidia HDMI/DP,pcm:8

Storage
-------

-SCSI Disks-
ATA INTEL SSDSA2M160
HL-DT-ST DVD+-RW GU40N

DMI
---

-Product-
Name : Latitude E6420
Family : (Not available)
Vendor : Dell Inc. (Dell Computer, www.dell.com)
Version : 01
-BIOS-
Date : 01/04/2016
Vendor : Dell Inc. (Dell Computer, www.dell.com)
Version : A23
-Board-
Name : 032T9K
Vendor : Dell Inc. (Dell Computer, www.dell.com)
Version : A01
Serial Number : /HSVMXQ1/CN1296116EGG9W/
Asset Tag : (Not available)
-Chassis-
Vendor : Dell Inc. (Dell Computer, www.dell.com)
Type : [9] Laptop
Version : (Not available)
Serial Number : HSVMXQ1
Asset Tag : (Not available)

Memory SPD
----------

-SPD-
Please load the eeprom module to obtain information about memory SPD

Resources
---------

-I/O Ports-
<tt>0000-0cf7 </tt> : PCI Bus 0000:00
<tt> 0000-001f </tt> : dma1
<tt> 0020-0021 </tt> : pic1
<tt> 0040-0043 </tt> : timer0
<tt> 0050-0053 </tt> : timer1
<tt> 0060-0060 </tt> : keyboard
<tt> 0064-0064 </tt> : keyboard
<tt> 0070-0077 </tt> : rtc0
<tt> 0080-008f </tt> : dma page reg
<tt> 00a0-00a1 </tt> : pic2
<tt> 00c0-00df </tt> : dma2
<tt> 00f0-00ff </tt> : fpu
<tt> 00f0-00f0 </tt> : PNP0C04:00
<tt> 03c0-03df </tt> : vesafb
<tt> 0400-047f </tt> : pnp 00:01
<tt> 0400-0403 </tt> : ACPI PM1a_EVT_BLK
<tt> 0404-0405 </tt> : ACPI PM1a_CNT_BLK
<tt> 0408-040b </tt> : ACPI PM_TMR
<tt> 0410-0415 </tt> : ACPI CPU throttle
<tt> 0420-042f </tt> : ACPI GPE0_BLK
<tt> 0430-0433 </tt> : iTCO_wdt.0.auto
<tt> 0450-0450 </tt> : ACPI PM2_CNT_BLK
<tt> 0460-047f </tt> : iTCO_wdt.0.auto
<tt> 0500-057f </tt> : pnp 00:01
<tt> 0680-069f </tt> : pnp 00:01
<tt> 0930-0930 </tt> : PNP0C09:00
<tt> 0930-0930 </tt> : EC data
<tt> 0934-0934 </tt> : PNP0C09:00
<tt> 0934-0934 </tt> : EC cmd
<tt>0cf8-0cff </tt> : PCI conf1
<tt>0d00-ffff </tt> : PCI Bus 0000:00
<tt> 1000-100f </tt> : pnp 00:01
<tt> 164e-164f </tt> : pnp 00:01
<tt> 2000-2fff </tt> : PCI Bus 0000:0a
<tt> 3000-3fff </tt> : PCI Bus 0000:04
<tt> 4000-4fff </tt> : PCI Bus 0000:01
<tt> 4000-407f </tt> : <b><small>PCI</small></b> NVIDIA Corporation GF119M [NVS 4200M] (rev a1) (prog-if 00 [VGA controller])
<tt> 5000-501f </tt> : <b><small>PCI</small></b> Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 04)
<tt> 5020-503f </tt> : <b><small>PCI</small></b> Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 04) (prog-if 01 [AHCI 1.0])
<tt> 5020-503f </tt> : <b><small>Module</small></b> AHCI SATA low-level driver
<tt> 5040-505f </tt> : <b><small>PCI</small></b> Intel Corporation 82579LM Gigabit Network Connection (rev 04)
<tt> 5060-5063 </tt> : <b><small>PCI</small></b> Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 04) (prog-if 01 [AHCI 1.0])
<tt> 5060-5063 </tt> : <b><small>Module</small></b> AHCI SATA low-level driver
<tt> 5070-5077 </tt> : <b><small>PCI</small></b> Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 04) (prog-if 01 [AHCI 1.0])
<tt> 5070-5077 </tt> : <b><small>Module</small></b> AHCI SATA low-level driver
<tt> 5080-5083 </tt> : <b><small>PCI</small></b> Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 04) (prog-if 01 [AHCI 1.0])
<tt> 5080-5083 </tt> : <b><small>Module</small></b> AHCI SATA low-level driver
<tt> 5090-5097 </tt> : <b><small>PCI</small></b> Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 04) (prog-if 01 [AHCI 1.0])
<tt> 5090-5097 </tt> : <b><small>Module</small></b> AHCI SATA low-level driver
<tt> ffff-ffff </tt> : pnp 00:01
<tt> ffff-ffff </tt> : pnp 00:01
-Memory-
<tt>00000000-00000fff </tt> : Reserved
<tt>00001000-0009a7ff </tt> : System RAM
<tt>0009a800-0009ffff </tt> : Reserved
<tt>000a0000-000bffff </tt> : PCI Bus 0000:00
<tt>000c0000-000ce7ff </tt> : Video ROM
<tt>000ce800-000cf7ff </tt> : Adapter ROM
<tt>000e0000-000fffff </tt> : Reserved
<tt> 000f0000-000fffff </tt> : System ROM
<tt>00100000-cf21efff </tt> : System RAM
<tt>cf21f000-cf262fff </tt> : Reserved
<tt>cf263000-cf5b6fff </tt> : System RAM
<tt>cf5b7000-cf5e6fff </tt> : Reserved
<tt>cf5e7000-cf7e6fff </tt> : ACPI Non-volatile Storage
<tt>cf7e7000-cf7fefff </tt> : ACPI Tables
<tt>cf7ff000-cf7fffff </tt> : System RAM
<tt>cf800000-cfffffff </tt> : RAM buffer
<tt>d0000000-feafffff </tt> : PCI Bus 0000:00
<tt> d0000000-e1ffffff </tt> : PCI Bus 0000:01
<tt> d0000000-dfffffff </tt> : <b><small>PCI</small></b> NVIDIA Corporation GF119M [NVS 4200M] (rev a1) (prog-if 00 [VGA controller])
<tt> e0000000-e1ffffff </tt> : <b><small>PCI</small></b> NVIDIA Corporation GF119M [NVS 4200M] (rev a1) (prog-if 00 [VGA controller])
<tt> e1000000-e112ffff </tt> : vesafb
<tt> e2100000-e2afffff </tt> : PCI Bus 0000:0a
<tt> e2b00000-e34fffff </tt> : PCI Bus 0000:04
<tt> e4000000-e50fffff </tt> : PCI Bus 0000:01
<tt> e4000000-e4ffffff </tt> : <b><small>PCI</small></b> NVIDIA Corporation GF119M [NVS 4200M] (rev a1) (prog-if 00 [VGA controller])
<tt> e4000000-e4ffffff </tt> : nvidia
<tt> e5080000-e5083fff </tt> : <b><small>PCI</small></b> NVIDIA Corporation GF119 HDMI Audio Controller (rev a1)
<tt> e5080000-e5083fff </tt> : ICH HD audio
<tt> e5100000-e5afffff </tt> : PCI Bus 0000:0a
<tt> e5b00000-e64fffff </tt> : PCI Bus 0000:04
<tt> e6500000-e65fffff </tt> : PCI Bus 0000:0b
<tt> e6500000-e65007ff </tt> : <b><small>PCI</small></b> O2 Micro, Inc. Device 8231 (rev 03)
<tt> e6510000-e6510fff </tt> : <b><small>PCI</small></b> O2 Micro, Inc. Device 8231 (rev 03)
<tt> e6520000-e65201ff </tt> : <b><small>PCI</small></b> O2 Micro, Inc. OZ600FJ0/OZ900FJ0/OZ600FJS SD/MMC Card Reader Controller (rev 05) (prog-if 01)
<tt> e6520000-e65201ff </tt> : mmc0
<tt> e6600000-e66fffff </tt> : PCI Bus 0000:03
<tt> e6600000-e660ffff </tt> : <b><small>PCI</small></b> Qualcomm Atheros AR928X Wireless Network Adapter (PCI-Express) (rev 01)
<tt> e6600000-e660ffff </tt> : <b><small>Module</small></b> Support for Atheros 802.11n wireless LAN cards.
<tt> e6700000-e671ffff </tt> : <b><small>PCI</small></b> Intel Corporation 82579LM Gigabit Network Connection (rev 04)
<tt> e6700000-e671ffff </tt> : <b><small>Module</small></b> Intel(R) PRO/1000 Network Driver
<tt> e6730000-e67300ff </tt> : <b><small>PCI</small></b> Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 04)
<tt> e6740000-e67407ff </tt> : <b><small>PCI</small></b> Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 04) (prog-if 01 [AHCI 1.0])
<tt> e6740000-e67407ff </tt> : <b><small>Module</small></b> AHCI SATA low-level driver
<tt> e6750000-e67503ff </tt> : <b><small>PCI</small></b> Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 04) (prog-if 20 [EHCI])
<tt> e6750000-e67503ff </tt> : ehci_hcd
<tt> e6760000-e6763fff </tt> : <b><small>PCI</small></b> Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04)
<tt> e6760000-e6763fff </tt> : ICH HD audio
<tt> e6770000-e67703ff </tt> : <b><small>PCI</small></b> Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 04) (prog-if 20 [EHCI])
<tt> e6770000-e67703ff </tt> : ehci_hcd
<tt> e6780000-e6780fff </tt> : <b><small>PCI</small></b> Intel Corporation 82579LM Gigabit Network Connection (rev 04)
<tt> e6780000-e6780fff </tt> : <b><small>Module</small></b> Intel(R) PRO/1000 Network Driver
<tt> e67b0000-e67b000f </tt> : <b><small>PCI</small></b> Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)
<tt> e67b0000-e67b000f </tt> : <b><small>Module</small></b> Intel(R) Management Engine Interface
<tt> f8000000-fbffffff </tt> : PCI MMCONFIG 0000 [bus 00-3f]
<tt> f8000000-fbffffff </tt> : pnp 00:06
<tt>fec00000-fec003ff </tt> : IOAPIC 0
<tt>fed00000-fed003ff </tt> : HPET 0
<tt> fed00000-fed003ff </tt> : pnp 00:00
<tt>fed10000-fed17fff </tt> : pnp 00:06
<tt>fed18000-fed18fff </tt> : pnp 00:06
<tt>fed19000-fed19fff </tt> : pnp 00:06
<tt>fed1c000-fed1ffff </tt> : Reserved
<tt> fed1c000-fed1ffff </tt> : pnp 00:06
<tt> fed1f410-fed1f414 </tt> : iTCO_wdt.0.auto
<tt>fed20000-fed3ffff </tt> : pnp 00:06
<tt>fed40000-fed44fff </tt> : PCI Bus 0000:00
<tt>fed45000-fed8ffff </tt> : pnp 00:06
<tt>fed91000-fed91fff </tt> : dmar0
<tt>fee00000-feefffff </tt> : pnp 00:06
<tt> fee00000-fee00fff </tt> : Local APIC
<tt>ff000000-ffffffff </tt> : INT0800:00
<tt> ffc00000-ffc1ffff </tt> : Reserved
<tt>100000000-22dffffff </tt> : System RAM
<tt> 1df200000-1dfe02fff </tt> : Kernel code
<tt> 1dfe03000-1e066c5ff </tt> : Kernel data
<tt> 1e08db000-1e0b2afff </tt> : Kernel bss
<tt>22e000000-22fffffff </tt> : RAM buffer
-DMA-
<tt> 4</tt> : cascade

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