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Bug#773976: Aggressive link power management breaks devices without sleep support



Package: src:linux
Version: 3.16.7-ckt2-1
Severity: important

I've recently switched to a laptop with an Intel 8 SATA controller (AHCI).

I was experiencing significant latency delays, which I tracked down to the
aggressive link power management. It looks like that the SSD that came with the
laptop (A Micron M550 by looking at the device model) doesn't support full
device sleep:

ahci 0000:00:1f.2: port does not support device sleep

When setting the host controller to min_power (as done by laptop-mode-tools),
the following often happens as the link is transitions back from the SLUMBER
state:

ata1.00: exception Emask 0x0 SAct 0x4000000 SErr 0x50000 action 0x6 frozen
ata1: SError: { PHYRdyChg CommWake }
ata1.00: failed command: WRITE FPDMA QUEUED
ata1.00: cmd 61/08:d0:48:7f:96/00:00:08:00:00/40 tag 26 ncq 4096 out res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
ata1.00: status: { DRDY }
ata1: hard resetting link

It might take as long as 7 seconds for the device to become responsive again.
This behavior eventually resulted in a corrupted EXT4 filesystem, thus I'm
flagging this as important.

Shouldn't the driver avoid entering the lower power levels if it knows that
there's a connected device doesn't support it?

-- Package-specific info:
** Version:
Linux version 3.16.0-4-amd64 (debian-kernel@lists.debian.org) (gcc version 4.8.3 (Debian 4.8.3-16) ) #1 SMP Debian 3.16.7-ckt2-1 (2014-12-08)

** Command line:
BOOT_IMAGE=/vmlinuz-3.16.0-4-amd64 root=/dev/mapper/root-root ro acpi_backlight=vendor quiet

** Not tainted

** Kernel log:
[   11.866422] e1000e 0000:00:19.0: irq 63 for MSI/MSI-X
[   11.866518] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[   11.887862] input: PS/2 Generic Mouse as /devices/platform/i8042/serio2/input/input9
[   11.894431] usb 2-7: new high-speed USB device number 4 using xhci_hcd
[   12.161676] usb 2-7: New USB device found, idVendor=05c8, idProduct=0369
[   12.161678] usb 2-7: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[   12.161679] usb 2-7: Product: HP HD Webcam
[   12.161680] usb 2-7: Manufacturer: SunplusIT INC.
[   12.170758] Console: switching to colour frame buffer device 200x56
[   12.173985] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[   12.173988] i915 0000:00:02.0: registered panic notifier
[   12.243546] media: Linux media interface: v0.10
[   12.246713] Linux video capture interface: v2.00
[   12.254935] uvcvideo: Found UVC 1.00 device HP HD Webcam (05c8:0369)
[   12.263572] input: HP HD Webcam as /devices/pci0000:00/0000:00:14.0/usb2/2-7/2-7:1.0/input/input19
[   12.263643] usbcore: registered new interface driver uvcvideo
[   12.263645] USB Video Class driver (1.1.1)
[   12.342965] usb 3-3: new SuperSpeed USB device number 2 using xhci_hcd
[   12.359268] usb 3-3: New USB device found, idVendor=0424, idProduct=5534
[   12.359272] usb 3-3: New USB device strings: Mfr=2, Product=3, SerialNumber=0
[   12.359275] usb 3-3: Product: USB5534B
[   12.359276] usb 3-3: Manufacturer: SMSC
[   12.360325] hub 3-3:1.0: USB hub found
[   12.360364] hub 3-3:1.0: 4 ports detected
[   12.360527] usb: failed to peer 3-3-port1 and usb2-port1 by location (3-3-port1:none) (usb2-port1:usb3-port1)
[   12.360528] usb 3-3-port1: failed to peer to usb2-port1 (-16)
[   12.360587] usb: failed to peer 3-3-port2 and usb2-port1 by location (3-3-port2:none) (usb2-port1:usb3-port1)
[   12.360588] usb 3-3-port2: failed to peer to usb2-port1 (-16)
[   12.471044] usb 1-1: new high-speed USB device number 2 using ehci-pci
[   12.595218] input: ST LIS3LV02DL Accelerometer as /devices/platform/lis3lv02d/input/input20
[   12.603521] usb 1-1: New USB device found, idVendor=8087, idProduct=8000
[   12.603526] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   12.603814] hub 1-1:1.0: USB hub found
[   12.603901] hub 1-1:1.0: 8 ports detected
[   12.615136] ACPI: Video Device [GFX0] (multi-head: yes  rom: no  post: no)
[   12.615323] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input21
[   12.615397] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
[   12.615559] ACPI Warning: SystemIO range 0x000000000000ef80-0x000000000000ef9f conflicts with OpRegion 0x000000000000ef80-0x000000000000ef8f (\_SB_.PCI0.SBUS.SMBI) (20140424/utaddress-258)
[   12.615565] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
[   12.623238] snd_hda_intel 0000:00:03.0: irq 69 for MSI/MSI-X
[   12.635281] input: HDA Intel HDMI HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:03.0/sound/card1/input22
[   12.635369] input: HDA Intel HDMI HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:03.0/sound/card1/input23
[   12.636229] input: HDA Intel HDMI HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:03.0/sound/card1/input24
[   12.703349] usb 2-3.2: new full-speed USB device number 5 using xhci_hcd
[   12.723158] psmouse serio3: synaptics: Touchpad model: 1, fw: 8.1, id: 0x1e2b1, caps: 0xd00123/0x840300/0x26800, board id: 2768, fw id: 1478018
[   12.759357] input: SynPS/2 Synaptics TouchPad as /devices/platform/i8042/serio3/input/input18
[   12.792581] usb 2-3.2: New USB device found, idVendor=8087, idProduct=07dc
[   12.792585] usb 2-3.2: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   12.801704] Bluetooth: Core ver 2.19
[   12.801722] NET: Registered protocol family 31
[   12.801724] Bluetooth: HCI device and connection manager initialized
[   12.801733] Bluetooth: HCI socket layer initialized
[   12.801735] Bluetooth: L2CAP socket layer initialized
[   12.801745] Bluetooth: SCO socket layer initialized
[   12.808250] usbcore: registered new interface driver btusb
[   12.821265] Bluetooth: hci0: read Intel version: 370710018002030d00
[   12.821955] bluetooth hci0: firmware: direct-loading firmware intel/ibt-hw-37.7.10-fw-1.80.2.3.d.bseq
[   12.821959] Bluetooth: hci0: Intel Bluetooth firmware file: intel/ibt-hw-37.7.10-fw-1.80.2.3.d.bseq
[   12.831579] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
[   12.930402] Bluetooth: hci0: Intel Bluetooth firmware patch completed and activated
[   13.135779] ahci 0000:00:1f.2: port does not support device sleep
[   13.327837] e1000e: eth0 NIC Link is Down
[   19.022818] EXT4-fs (dm-1): re-mounted. Opts: discard,journal_async_commit,commit=60,errors=remount-ro
[   19.139833] EXT4-fs (sda1): mounting ext2 file system using the ext4 subsystem
[   19.140585] EXT4-fs (sda1): mounted filesystem without journal. Opts: (null)
[   19.162208] systemd-journald[265]: Received request to flush runtime journal from PID 1
[   19.324481] ip6_tables: (C) 2000-2006 Netfilter Core Team
[   19.332192] nf_conntrack version 0.5.0 (16384 buckets, 65536 max)
[   19.342221] ip_tables: (C) 2000-2006 Netfilter Core Team
[   19.987589] e1000e 0000:00:19.0: irq 63 for MSI/MSI-X

** Model information
sys_vendor: Hewlett-Packard
product_name: HP EliteBook 840 G1
product_version: A3008DD10B03
chassis_vendor: Hewlett-Packard
chassis_version: 
bios_vendor: Hewlett-Packard
bios_version: L71 Ver. 01.21
board_vendor: Hewlett-Packard
board_name: 198F
board_version: KBC Version 15.55

** Loaded modules:
msr
ctr
ccm
xt_connmark
iptable_nat
nf_nat_ipv4
nf_nat
iptable_mangle
cpufreq_powersave
cpufreq_conservative
binfmt_misc
cpufreq_userspace
cpufreq_stats
xt_tcpudp
nf_conntrack_ipv4
nf_defrag_ipv4
iptable_filter
ip_tables
nf_conntrack_ipv6
nf_defrag_ipv6
xt_conntrack
nf_conntrack
ip6table_filter
ip6_tables
x_tables
ecb
btusb
bluetooth
6lowpan_iphc
joydev
snd_hda_codec_hdmi
uvcvideo
videobuf2_vmalloc
videobuf2_memops
videobuf2_core
v4l2_common
videodev
media
btrfs
rtsx_pci_ms
memstick
iTCO_wdt
iTCO_vendor_support
ppdev
xor
hp_wmi
sparse_keymap
rtsx_pci_sdmmc
mmc_core
raid6_pq
tpm_infineon
arc4
x86_pkg_temp_thermal
intel_powerclamp
intel_rapl
coretemp
kvm_intel
kvm
crc32_pclmul
crc32c_intel
ghash_clmulni_intel
snd_hda_codec_idt
snd_hda_codec_generic
evdev
pcspkr
psmouse
serio_raw
iwlmvm
mac80211
i2c_i801
iwlwifi
sg
rtsx_pci
cfg80211
rfkill
wmi
battery
parport_pc
parport
i915
tpm_tis
hp_accel
tpm
hp_wireless
lis3lv02d
snd_hda_intel
input_polldev
drm_kms_helper
ehci_pci
ac
button
xhci_hcd
ehci_hcd
video
snd_hda_controller
drm
snd_hda_codec
e1000e
snd_hwdep
i2c_algo_bit
lpc_ich
mfd_core
snd_pcm
mei_me
i2c_core
mei
ptp
snd_timer
usbcore
snd
pps_core
shpchp
processor
usb_common
soundcore
sch_fq_codel
fuse
ecryptfs
autofs4
ext4
crc16
mbcache
jbd2
dm_crypt
dm_mod
sd_mod
crc_t10dif
crct10dif_generic
crct10dif_pclmul
crct10dif_common
aesni_intel
aes_x86_64
glue_helper
lrw
gf128mul
ablk_helper
cryptd
ahci
libahci
libata
scsi_mod
thermal
thermal_sys

** PCI devices:
00:00.0 Host bridge [0600]: Intel Corporation Haswell-ULT DRAM Controller [8086:0a04] (rev 0b)
	Subsystem: Hewlett-Packard Company Device [103c:198f]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ >SERR- <PERR- INTx-
	Latency: 0
	Capabilities: <access denied>

00:02.0 VGA compatible controller [0300]: Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 0b) (prog-if 00 [VGA controller])
	Subsystem: Hewlett-Packard Company Device [103c:198f]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 68
	Region 0: Memory at d0000000 (64-bit, non-prefetchable) [size=4M]
	Region 2: Memory at c0000000 (64-bit, prefetchable) [size=256M]
	Region 4: I/O ports at 3000 [size=64]
	Expansion ROM at <unassigned> [disabled]
	Capabilities: <access denied>
	Kernel driver in use: i915

00:03.0 Audio device [0403]: Intel Corporation Haswell-ULT HD Audio Controller [8086:0a0c] (rev 0b)
	Subsystem: Hewlett-Packard Company Device [103c:198f]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 69
	Region 0: Memory at d0730000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: snd_hda_intel

00:14.0 USB controller [0c03]: Intel Corporation 8 Series USB xHCI HC [8086:9c31] (rev 04) (prog-if 30 [XHCI])
	Subsystem: Hewlett-Packard Company Device [103c:198f]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 66
	Region 0: Memory at d0720000 (64-bit, non-prefetchable) [size=64K]
	Capabilities: <access denied>
	Kernel driver in use: xhci_hcd

00:16.0 Communication controller [0780]: Intel Corporation 8 Series HECI #0 [8086:9c3a] (rev 04)
	Subsystem: Hewlett-Packard Company Device [103c:198f]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 62
	Region 0: Memory at d0739000 (64-bit, non-prefetchable) [size=32]
	Capabilities: <access denied>
	Kernel driver in use: mei_me

00:16.3 Serial controller [0700]: Intel Corporation 8 Series HECI KT [8086:9c3d] (rev 04) (prog-if 02 [16550])
	Subsystem: Hewlett-Packard Company Device [103c:198f]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin D routed to IRQ 19
	Region 0: I/O ports at 30b0 [size=8]
	Region 1: Memory at d073f000 (32-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: serial

00:19.0 Ethernet controller [0200]: Intel Corporation Ethernet Connection I218-LM [8086:155a] (rev 04)
	Subsystem: Hewlett-Packard Company Device [103c:198f]
	Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Interrupt: pin A routed to IRQ 63
	Region 0: Memory at d0700000 (32-bit, non-prefetchable) [disabled] [size=128K]
	Region 1: Memory at d073e000 (32-bit, non-prefetchable) [disabled] [size=4K]
	Region 2: I/O ports at 3080 [disabled] [size=32]
	Capabilities: <access denied>
	Kernel driver in use: e1000e

00:1b.0 Audio device [0403]: Intel Corporation 8 Series HD Audio Controller [8086:9c20] (rev 04)
	Subsystem: Hewlett-Packard Company Device [103c:198f]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 67
	Region 0: Memory at d0734000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: snd_hda_intel

00:1c.0 PCI bridge [0604]: Intel Corporation 8 Series PCI Express Root Port 1 [8086:9c10] (rev e4) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
	Memory behind bridge: d0600000-d06fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:1c.3 PCI bridge [0604]: Intel Corporation 8 Series PCI Express Root Port 4 [8086:9c16] (rev e4) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
	Memory behind bridge: d0500000-d05fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:1c.5 PCI bridge [0604]: Intel Corporation 8 Series PCI Express Root Port 6 [8086:9c1a] (rev e4) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
	I/O behind bridge: 00002000-00002fff
	Memory behind bridge: d0400000-d04fffff
	Prefetchable memory behind bridge: 00000000bf300000-00000000bf4fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:1d.0 USB controller [0c03]: Intel Corporation 8 Series USB EHCI #1 [8086:9c26] (rev 04) (prog-if 20 [EHCI])
	Subsystem: Hewlett-Packard Company Device [103c:198f]
	Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Interrupt: pin A routed to IRQ 17
	Region 0: Memory at d073d000 (32-bit, non-prefetchable) [size=1K]
	Capabilities: <access denied>
	Kernel driver in use: ehci-pci

00:1f.0 ISA bridge [0601]: Intel Corporation 8 Series LPC Controller [8086:9c43] (rev 04)
	Subsystem: Hewlett-Packard Company Device [103c:198f]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Capabilities: <access denied>
	Kernel driver in use: lpc_ich

00:1f.2 SATA controller [0106]: Intel Corporation 8 Series SATA Controller 1 [AHCI mode] [8086:9c03] (rev 04) (prog-if 01 [AHCI 1.0])
	Subsystem: Hewlett-Packard Company Device [103c:198f]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin B routed to IRQ 61
	Region 0: I/O ports at 30a8 [size=8]
	Region 1: I/O ports at 30bc [size=4]
	Region 2: I/O ports at 30a0 [size=8]
	Region 3: I/O ports at 30b8 [size=4]
	Region 4: I/O ports at 3060 [size=32]
	Region 5: Memory at d073c000 (32-bit, non-prefetchable) [size=2K]
	Capabilities: <access denied>
	Kernel driver in use: ahci

00:1f.3 SMBus [0c05]: Intel Corporation 8 Series SMBus Controller [8086:9c22] (rev 04)
	Subsystem: Hewlett-Packard Company Device [103c:198f]
	Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Interrupt: pin C routed to IRQ 18
	Region 0: Memory at d0738000 (64-bit, non-prefetchable) [size=256]
	Region 4: I/O ports at ef80 [size=32]

02:00.0 Network controller [0280]: Intel Corporation Wireless 7260 [8086:08b1] (rev 73)
	Subsystem: Intel Corporation Dual Band Wireless-N 7260 [8086:4060]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 65
	Region 0: Memory at d0500000 (64-bit, non-prefetchable) [size=8K]
	Capabilities: <access denied>
	Kernel driver in use: iwlwifi

03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5227 PCI Express Card Reader [10ec:5227] (rev 01)
	Subsystem: Hewlett-Packard Company Device [103c:198f]
	Physical Slot: 5
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 64
	Region 0: Memory at d0400000 (32-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: rtsx_pci


** USB devices:
Bus 001 Device 002: ID 8087:8000 Intel Corp. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 002: ID 0424:5534 Standard Microsystems Corp. 
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 004: ID 05c8:0369 Cheng Uei Precision Industry Co., Ltd (Foxlink) 
Bus 002 Device 003: ID 138a:003f Validity Sensors, Inc. 
Bus 002 Device 005: ID 8087:07dc Intel Corp. 
Bus 002 Device 002: ID 0424:2134 Standard Microsystems Corp. 
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


-- System Information:
Debian Release: 8.0
  APT prefers unstable
  APT policy: (900, 'unstable'), (800, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 3.16.0-4-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages linux-image-3.16.0-4-amd64 depends on:
ii  debconf [debconf-2.0]                   1.5.55
ii  initramfs-tools [linux-initramfs-tool]  0.118
ii  kmod                                    18-3
ii  linux-base                              3.5

Versions of packages linux-image-3.16.0-4-amd64 recommends:
ii  firmware-linux-free  3.3
ii  irqbalance           1.0.6-3

Versions of packages linux-image-3.16.0-4-amd64 suggests:
pn  debian-kernel-handbook  <none>
ii  grub-pc                 2.02~beta2-19
ii  linux-doc-3.16          3.16.7-ckt2-1

Versions of packages linux-image-3.16.0-4-amd64 is related to:
pn  firmware-atheros        <none>
pn  firmware-bnx2           <none>
pn  firmware-bnx2x          <none>
pn  firmware-brcm80211      <none>
pn  firmware-intelwimax     <none>
pn  firmware-ipw2x00        <none>
pn  firmware-ivtv           <none>
ii  firmware-iwlwifi        0.43
pn  firmware-libertas       <none>
ii  firmware-linux          0.43
ii  firmware-linux-nonfree  0.43
pn  firmware-myricom        <none>
pn  firmware-netxen         <none>
pn  firmware-qlogic         <none>
pn  firmware-ralink         <none>
pn  firmware-realtek        <none>
pn  xen-hypervisor          <none>


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