The problem happen on our system 76 wild dog
http://www.system76.com/desktops/model/wilddog
:
Processor:2nd Generation Intel Core i5 and i7 CPU's
Core Logic:Intel H57 Express Chipset
Graphics:up to 1.5 GB nVidia Geforce GTX (512 MB nVidia GeForce GT210)
Memory:up to 16 GB DDR3 @ 1333 MHz
Storage:up to 2 TB SATA III, High Performance RAID 0 Options
Networking:Gigabit LAN (10/100/1000), Optional WiFi
Wireless:Optional 802.11 bgn
Audio System:7.1 Channel Intel High Definition Audio
Front Ports:2 x USB, Microphone In, Headphone Out
Rear Ports: 2 x USB 3.0, 6 x USB 2.0, RJ45 LAN, eSATA, Analog Audio I/O, S/PDIF
Optical Out
Expansion: 1 x PCI Express X16 (occupied by graphics card), 2 x PCI Express X1,
3 x 32-bit PCI
Power Management:Suspend & Hibernate
Power Supply:650 Watt 80 Plus Certified. 80% or greater power efficiency
Dimensions:8.27" x 15.00" x 19.29" (W x H x D)
lspci
00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family
DRAM Controller (rev 09)
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200/2nd Generation Core
Processor Family PCI Express Root Port (rev 09)
00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series
Chipset Family MEI Controller #1 (rev 04)
00:19.0 Ethernet controller: Intel Corporation 82579V Gigabit Network
Connection (rev 05)
00:1a.0 USB Controller: Intel Corporation 6 Series/C200 Series Chipset Family
USB Enhanced Host Controller #2 (rev 05)
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family
High Definition Audio Controller (rev 05)
00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI
Express Root Port 1 (rev b5)
00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI
Express Root Port 4 (rev b5)
00:1d.0 USB Controller: Intel Corporation 6 Series/C200 Series Chipset Family
USB Enhanced Host Controller #1 (rev 05)
00:1f.0 ISA bridge: Intel Corporation H67 Express Chipset Family LPC Controller
(rev 05)
00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family
6 port SATA AHCI Controller (rev 05)
00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus
Controller (rev 05)
01:00.0 VGA compatible controller: nVidia Corporation GT218 [GeForce 210] (rev
a2)
01:00.1 Audio device: nVidia Corporation High Definition Audio Controller (rev
a1)
02:00.0 PCI bridge: Integrated Technology Express, Inc. Device 8892 (rev 10)
04:00.0 USB Controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev
03)
dmesg after boot
[0.00] Initializing cgroup subsys cpuset
[0.00] Initializing cgroup subsys cpu
[0.00] Linux version 3.0.0-14-generic (buildd@allspice) (gcc version
4.6.1 (Ubuntu/Linaro 4.6.1-9ubuntu3) ) #23-Ubuntu SMP Mon Nov 21 20:28:43 UTC
2011 (Ubuntu 3.0.0-14.23-generic 3.0.9)
[0.00] Command line: BOOT_IMAGE=/boot/vmlinuz-3.0.0-14-generic
root=UUID=355c2248-a24b-4840-8000-e563ad9d0727 ro quiet splash vt.handoff=7
[0.00] KERNEL supported cpus:
[0.00] Intel GenuineIntel
[0.00] AMD AuthenticAMD
[0.00] Centaur CentaurHauls
[0.00] BIOS-provided physical RAM map:
[0.00] BIOS-e820: - 0009d800 (usable)
[0.00] BIOS-e820: 0009d800 - 000a (reserved)
[0.00] BIOS-e820: 000e - 0010 (reserved)
[0.00] BIOS-e820: 0010 - df05a000 (usable)
[0.00] BIOS-e820: df05a000 - df0a9000 (ACPI NVS)
[0.00] BIOS-e820: df0a9000 - df0b1000 (ACPI data)
[0.00] BIOS-e820: df0b1000 - df3cb000 (reserved)
[0.00] BIOS-e820: df3cb000 - df3cc000 (usable)
[0.00] BIOS-e820: df3cc000 - df3dc000 (reserved)
[0.00] BIOS-e820: df3dc000 - df3e6000 (ACPI NVS)
[0.00] BIOS-e820: df3e6000 - df40c000 (reserved)
[0.00] BIOS-e820: df40c000 - df44f000 (ACPI NVS)
[0.00] BIOS-e820: df44f000 - df68a000 (reserved)
[0.00] BIOS-e820: df68a000 - df80 (usable)
[0.00] BIOS-e820: fed1c000 - fed2 (reserved)
[0.00] BIOS-e820: ff00 - 0001 (reserved)
[0.00] BIOS-e820: 0001 - 00021f80 (usable)
[0.00] NX (Execute Disable) protection: active
[0.00] DMI 2.6 present.
[0.00] DMI: System76, Inc. Wild Dog Performance/DH67CL, BIOS
BLH6710H.86A.0105.2011.0301.1654 03/01/2011
[0.00] e820 update range: - 0001 (usable)
==> (reserved)
[0.00] e820 remove range: 000a - 0010 (usable)
[0.00] No AGP bridge found
[0.00] last_pfn = 0x21f800 max_arch_pfn = 0x4
[0.00] MTRR default type: uncachable
[0.00] MTRR fixed ranges enabled:
[0.00]