我使用 Arch Linux 3.5.6-1-ARCH，从那时起，我在 HP Pavilion dv6（纯 systemd）上的 dmesg 中收到很多这样的错误消息：
[ 72.137821] hda-intel: spurious response 0x0:0x0, last cmd=0x370100
[ 72.137822] hda-intel: spurious response 0x0:0x0, last cmd=0x370100
[ 72.137823] hda-intel: spurious response 0x0:0x0, last cmd=0x370100
[ 72.137825] hda-intel: spurious response 0x0:0x0, last cmd=0x370100
[ 74.143253] hda-intel: azx_get_response timeout, switching to polling mode: last cmd=0x00270d00
[ 75.146190] hda-intel: No response from codec, disabling MSI: last cmd=0x00270d00
[ 76.592168] hda-intel: spurious response 0x1002aa01:0x0, last cmd=0x170503
这是我完整的 dmesg 输出：https://gist.github.com/3857722
这是我的journalctl输出：https://gist.github.com/3857736
这是我的 lspci：
00:00.0 Host bridge: Intel Corporation Core Processor DRAM Controller (rev 02)
00:01.0 PCI bridge: Intel Corporation Core Processor PCI Express x16 Root Port (rev 02)
00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02)
00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series Chipset HECI Controller (rev 06)
00:1a.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 05)
00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 05)
00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1 (rev 05)
00:1c.1 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 2 (rev 05)
00:1d.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 05)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev a5)
00:1f.0 ISA bridge: Intel Corporation Mobile 5 Series Chipset LPC Interface Controller (rev 05)
00:1f.2 SATA controller: Intel Corporation 5 Series/3400 Series Chipset 4 port SATA AHCI Controller (rev 05)
00:1f.3 SMBus: Intel Corporation 5 Series/3400 Series Chipset SMBus Controller (rev 05)
00:1f.6 Signal processing controller: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem (rev 05)
01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Madison [Radeon HD 5000M Series]
01:00.1 Audio device: Advanced Micro Devices [AMD] nee ATI Redwood HDMI Audio [Radeon HD 5000 Series]
02:00.0 Network controller: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller (rev 01)
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 03)
7f:00.0 Host bridge: Intel Corporation Core Processor QuickPath Architecture Generic Non-core Registers (rev 02)
7f:00.1 Host bridge: Intel Corporation Core Processor QuickPath Architecture System Address Decoder (rev 02)
7f:02.0 Host bridge: Intel Corporation Core Processor QPI Link 0 (rev 02)
7f:02.1 Host bridge: Intel Corporation Core Processor QPI Physical 0 (rev 02)
7f:02.2 Host bridge: Intel Corporation Core Processor Reserved (rev 02)
7f:02.3 Host bridge: Intel Corporation Core Processor Reserved (rev 02)
我注意到，当这些错误出现时，我的 CPU 温度会升高，但 top 和 powertop 没有检测到任何进程“吃掉”大量 CPU...
这是我的 powertop“可调”：
Bad Wireless Power Saving for interface wlan0
Bad Enable SATA link power management for /dev/sda
Bad NMI watchdog should be turned off
Bad VM writeback timeout
Bad Enable Audio codec power management
Bad Autosuspend for USB device Optical USB Mouse [Logitech]
Bad Autosuspend for USB device Broadcom 2070 Bluetooth [Broadcom Corp]
Bad Runtime PM for PCI Device Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 2
Bad Runtime PM for PCI Device Intel Corporation Core Processor DRAM Controller
Bad Runtime PM for PCI Device Intel Corporation Core Processor PCI Express x16 Root Port
Bad Runtime PM for PCI Device Intel Corporation Core Processor Integrated Graphics Controller
Bad Runtime PM for PCI Device Intel Corporation 5 Series/3400 Series Chipset HECI Controller
Bad Runtime PM for PCI Device Intel Corporation 5 Series/3400 Series Chipset High Definition Audio
Bad Runtime PM for PCI Device Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1
Bad Runtime PM for PCI Device Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller
Bad Runtime PM for PCI Device Intel Corporation Mobile 5 Series Chipset LPC Interface Controller
Bad Runtime PM for PCI Device Intel Corporation 5 Series/3400 Series Chipset 4 port SATA AHCI Controller
Bad Runtime PM for PCI Device Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem
Bad Runtime PM for PCI Device Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller
Bad Runtime PM for PCI Device Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet co
Bad Runtime PM for PCI Device Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller
Bad Wake-on-lan status for device eth0
Good Bluetooth device interface status
Good Autosuspend for USB device 2SF022 [DB04008LAZTM5B]
Good Autosuspend for USB device EHCI Host Controller [usb1]
感谢任何帮助，非常感谢。