[1.] One line summary of the problem:
Erratic fan speed and little control kernel 4.2
[2.] Full description of the problem/report:
After upgrading to kernel 4.2 my CPU fan started speeding and slowing
without good reason even when the PC is idle.
sensors shows:
it8721-isa-0a10
Adapter: ISA adapter
fan1: 1071 RPM (min = 13 RPM)
fan2: 788 RPM (min = 46 RPM)
...
dell_smm-virtual-0
Adapter: Virtual device
Processor Fan: 1079 RPM
Motherboard Fan: 794 RPM
To make the erratic behaviour start either wait for a few hours or:
echo 200 > /sys/class/hwmon/hwmon3/pwm1
echo 70 > /sys/class/hwmon/hwmon3/pwm1
To stop erratic fan speed - reboot sometimes works.
This bug has been bisected to commit
f989e55452c74b4f7b22c889b8ec9f1192aaeec4 :
i8k: Add support for fan labels
I noticed that in the good kernel prior to commit
f989e55452c74b4f7b22c889b8ec9f1192aaeec4 that the order of the fans in
the it8721-isa-0a10 section of the sensor output is reversed.
it8721-isa-0a10
Adapter: ISA adapter
fan1: 965 RPM (min = 13 RPM) ***** good kernel has the Motherboard Fan
first
fan2: 1112 RPM (min = 21 RPM) ***** good kernel lists the Processor Fan
second.
i8k-virtual-0
Adapter: Virtual device
fan1: 1120 RPM **** good kernel has different fan numbering for the
i8k-virtual-0 device!
fan2: 972 RPM **** good kernel has different fan numbering for the
i8k-virtual-0 device!
commit f989e55452c74b4f7b22c889b8ec9f1192aaeec4 :
adds labels support for fans if SMM function with EAX register
0x03a3 reports it. This information was taken from DOS binary NBSVC.MDM.
Additionally this patch change detection of fan presence. Instead
reading fan
status now detection is based on new label SMM function. Dell DOS binary
NBSVC.MDM is doing similar checks, so we should do that too.
This patch also remove I8K_FAN_LEFT and I8K_FAN_RIGHT usage from hwmon
driver
part because that names does not make sense anymore. So numeric
constants are
used instead. Original /proc/i8k ioctl part was not changed for
compatibility
reasons.
[3.] Keywords
[4.] Kernel version (from /proc/version):
$ cat /proc/version
Linux version 4.4.0-040400rc3-generic (kernel@gloin) (gcc version 5.2.1
20151010 (Ubuntu 5.2.1-22ubuntu2) ) #201511300321 SMP Mon Nov 30
03:23:36 UTC 2015
[5.] Output of Oops.. message (if applicable) with symbolic information
resolved (see Documentation/oops-tracing.txt)
None
[6.] A small shell script or example program which triggers the problem
(if possible)
echo 200 > /sys/class/hwmon/hwmon3/pwm1
echo 70 > /sys/class/hwmon/hwmon3/pwm1
[7.] Environment
$ lsb_release -rd
Description: Ubuntu 15.10
Release: 15.10
[7.1.] Software (add the output of the ver_linux script here)
$ /usr/src/linux-headers-4.4.0-040400rc3/scripts/ver_linux
If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.
Linux HomeMegaUbuntu 4.4.0-040400rc3-generic #201511300321 SMP Mon Nov
30 03:23:36 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
GNU C 5.2.1
GNU Make 4.0
Binutils 2.25.1
Util-linux 2.26.2
Mount 2.26.2
Module-init-tools 21
E2fsprogs 1.42.12
Xfsprogs 3.2.1
Pcmciautils 018
Linux C Library 2.21
Dynamic linker (ldd) 2.21
Linux C++ Library 6.0.21
Procps 3.3.9
Net-tools 1.60
Kbd 1.15.5
Console-tools 1.15.5
Sh-utils 8.23
Udev 225
Wireless-tools 30
Modules Loaded amd_iommu_v2 amdkfd autofs4 bcm_phy_lib
binfmt_misc broadcom btrfs coretemp cuse dcdbas dell_smm_hwmon drm
drm_kms_helper edac_core fb_sys_fops fjes gpio_ich hfs hfsplus hid
hid_generic hwmon_vid i2c_algo_bit i7core_edac input_leds irqbypass it87
jfs kvm kvm_intel libcrc32c lp lpc_ich mac_hid mei mei_me minix msdos
nls_utf8 ntfs parport parport_pc pata_acpi pci_stub ppdev pps_core
psmouse ptp qnx4 radeon raid6_pq serio_raw shpchp snd snd_hda_codec
snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_core snd_hda_intel snd_hrtimer snd_hwdep snd_pcm snd_rawmidi
snd_seq snd_seq_device snd_seq_midi snd_seq_midi_event snd_timer
soundcore syscopyarea sysfillrect sysimgblt tg3 ttm uas ufs usbhid
usb_storage vboxdrv vboxnetadp vboxnetflt vboxpci xfs xor
[7.2.] Processor information (from /proc/cpuinfo):
$ cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 30
model name : Intel(R) Core(TM) i5 CPU 760 @ 2.80GHz
stepping : 5
microcode : 0x4
cpu MHz : 1200.000
cache size : 8192 KB
physical id : 0
siblings : 4
core id : 0
cpu cores : 4
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall
nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology
nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3
cx16 xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm ida dtherm tpr_shadow vnmi
flexpriority ept vpid
bugs :
bogomips : 5585.84
clflush size : 64
cache_alignment : 64
address sizes : 36 bits physical, 48 bits virtual
power management:
processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 30
model name : Intel(R) Core(TM) i5 CPU 760 @ 2.80GHz
stepping : 5
microcode : 0x4
cpu MHz : 1200.000
cache size : 8192 KB
physical id : 0
siblings : 4
core id : 1
cpu cores : 4
apicid : 2
initial apicid : 2
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall
nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology
nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3
cx16 xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm ida dtherm tpr_shadow vnmi
flexpriority ept vpid
bugs :
bogomips : 5585.84
clflush size : 64
cache_alignment : 64
address sizes : 36 bits physical, 48 bits virtual
power management:
processor : 2
vendor_id : GenuineIntel
cpu family : 6
model : 30
model name : Intel(R) Core(TM) i5 CPU 760 @ 2.80GHz
stepping : 5
microcode : 0x4
cpu MHz : 1200.000
cache size : 8192 KB
physical id : 0
siblings : 4
core id : 2
cpu cores : 4
apicid : 4
initial apicid : 4
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall
nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology
nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3
cx16 xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm ida dtherm tpr_shadow vnmi
flexpriority ept vpid
bugs :
bogomips : 5585.84
clflush size : 64
cache_alignment : 64
address sizes : 36 bits physical, 48 bits virtual
power management:
processor : 3
vendor_id : GenuineIntel
cpu family : 6
model : 30
model name : Intel(R) Core(TM) i5 CPU 760 @ 2.80GHz
stepping : 5
microcode : 0x4
cpu MHz : 1200.000
cache size : 8192 KB
physical id : 0
siblings : 4
core id : 3
cpu cores : 4
apicid : 6
initial apicid : 6
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall
nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology
nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3
cx16 xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm ida dtherm tpr_shadow vnmi
flexpriority ept vpid
bugs :
bogomips : 5585.84
clflush size : 64
cache_alignment : 64
address sizes : 36 bits physical, 48 bits virtual
power management:
[7.3.] Module information (from /proc/modules):
$ cat /proc/modules
vboxpci 24576 0 - Live 0x0000000000000000 (OE)
vboxnetadp 28672 0 - Live 0x0000000000000000 (OE)
vboxnetflt 28672 0 - Live 0x0000000000000000 (OE)
vboxdrv 454656 3 vboxpci,vboxnetadp,vboxnetflt, Live 0x0000000000000000 (OE)
pci_stub 16384 1 - Live 0x0000000000000000
nls_utf8 16384 0 - Live 0x0000000000000000
btrfs 983040 0 - Live 0x0000000000000000
xor 24576 1 btrfs, Live 0x0000000000000000
raid6_pq 102400 1 btrfs, Live 0x0000000000000000
ufs 73728 0 - Live 0x0000000000000000
qnx4 16384 0 - Live 0x0000000000000000
hfsplus 106496 0 - Live 0x0000000000000000
hfs 57344 0 - Live 0x0000000000000000
minix 32768 0 - Live 0x0000000000000000
ntfs 98304 0 - Live 0x0000000000000000
msdos 20480 0 - Live 0x0000000000000000
jfs 180224 0 - Live 0x0000000000000000
xfs 950272 0 - Live 0x0000000000000000
libcrc32c 16384 1 xfs, Live 0x0000000000000000
snd_hrtimer 16384 1 - Live 0x0000000000000000
binfmt_misc 20480 1 - Live 0x0000000000000000
input_leds 16384 0 - Live 0x0000000000000000
snd_hda_codec_realtek 81920 1 - Live 0x0000000000000000
snd_hda_codec_hdmi 53248 2 - Live 0x0000000000000000
snd_hda_codec_generic 77824 1 snd_hda_codec_realtek, Live 0x0000000000000000
snd_hda_intel 36864 4 - Live 0x0000000000000000
snd_hda_codec 135168 4
snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel,
Live 0x0000000000000000
snd_hda_core 65536 5
snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel,snd_hda_codec,
Live 0x0000000000000000
snd_hwdep 16384 1 snd_hda_codec, Live 0x0000000000000000
snd_pcm 102400 4
snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core, Live
0x0000000000000000
snd_seq_midi 16384 0 - Live 0x0000000000000000
snd_seq_midi_event 16384 1 snd_seq_midi, Live 0x0000000000000000
snd_rawmidi 32768 1 snd_seq_midi, Live 0x0000000000000000
snd_seq 69632 3 snd_seq_midi,snd_seq_midi_event, Live 0x0000000000000000
kvm_intel 167936 0 - Live 0x0000000000000000
snd_seq_device 16384 3 snd_seq_midi,snd_rawmidi,snd_seq, Live
0x0000000000000000
snd_timer 32768 3 snd_hrtimer,snd_pcm,snd_seq, Live 0x0000000000000000
kvm 532480 1 kvm_intel, Live 0x0000000000000000
snd 81920 20
snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_seq_device,snd_timer,
Live 0x0000000000000000
gpio_ich 16384 0 - Live 0x0000000000000000
soundcore 16384 1 snd, Live 0x0000000000000000
serio_raw 16384 0 - Live 0x0000000000000000
irqbypass 16384 1 kvm, Live 0x0000000000000000
mei_me 32768 0 - Live 0x0000000000000000
shpchp 36864 0 - Live 0x0000000000000000
dcdbas 16384 0 - Live 0x0000000000000000
mei 98304 1 mei_me, Live 0x0000000000000000
dell_smm_hwmon 16384 0 - Live 0x0000000000000000
lpc_ich 24576 0 - Live 0x0000000000000000
i7core_edac 24576 0 - Live 0x0000000000000000
edac_core 53248 2 i7core_edac, Live 0x0000000000000000
mac_hid 16384 0 - Live 0x0000000000000000
cuse 16384 3 - Live 0x0000000000000000
it87 45056 0 - Live 0x0000000000000000
hwmon_vid 16384 1 it87, Live 0x0000000000000000
coretemp 16384 0 - Live 0x0000000000000000
parport_pc 32768 0 - Live 0x0000000000000000
ppdev 20480 0 - Live 0x0000000000000000
lp 20480 0 - Live 0x0000000000000000
parport 49152 3 parport_pc,ppdev,lp, Live 0x0000000000000000
autofs4 40960 2 - Live 0x0000000000000000
amdkfd 122880 1 - Live 0x0000000000000000
amd_iommu_v2 20480 1 amdkfd, Live 0x0000000000000000
radeon 1503232 3 - Live 0x0000000000000000
i2c_algo_bit 16384 1 radeon, Live 0x0000000000000000
ttm 94208 1 radeon, Live 0x0000000000000000
drm_kms_helper 135168 1 radeon, Live 0x0000000000000000
broadcom 20480 0 - Live 0x0000000000000000
syscopyarea 16384 1 drm_kms_helper, Live 0x0000000000000000
sysfillrect 16384 1 drm_kms_helper, Live 0x0000000000000000
bcm_phy_lib 16384 1 broadcom, Live 0x0000000000000000
uas 24576 0 - Live 0x0000000000000000
hid_generic 16384 0 - Live 0x0000000000000000
sysimgblt 16384 1 drm_kms_helper, Live 0x0000000000000000
tg3 163840 1 - Live 0x0000000000000000
fb_sys_fops 16384 1 drm_kms_helper, Live 0x0000000000000000
ptp 20480 1 tg3, Live 0x0000000000000000
usbhid 49152 0 - Live 0x0000000000000000
usb_storage 69632 1 uas, Live 0x0000000000000000
drm 360448 6 radeon,ttm,drm_kms_helper, Live 0x0000000000000000
pps_core 20480 1 ptp, Live 0x0000000000000000
psmouse 126976 0 - Live 0x0000000000000000
hid 118784 2 hid_generic,usbhid, Live 0x0000000000000000
pata_acpi 16384 0 - Live 0x0000000000000000
fjes 28672 0 - Live 0x0000000000000000
[7.4.] Loaded driver and hardware information (/proc/ioports, /proc/iomem)
$ cat /proc/ioports
0000-0cf7 : PCI Bus 0000:00
0000-001f : dma1
0020-0021 : pic1
0040-0043 : timer0
0050-0053 : timer1
0060-0060 : keyboard
0061-0061 : PNP0800:00
0064-0064 : keyboard
0070-0071 : rtc0
0080-008f : dma page reg
00a0-00a1 : pic2
00c0-00df : dma2
00f0-00ff : PNP0C04:00
00f0-00ff : fpu
03c0-03df : vesafb
0400-041f : 0000:00:1f.3
04d0-04d1 : pnp 00:03
0500-057f : gpio_ich.1.auto
0500-057f : pnp 00:03
0500-052f : gpio_ich
0530-053f : gpio_ich
0540-054f : gpio_ich
0800-0803 : ACPI PM1a_EVT_BLK
0804-0805 : ACPI PM1a_CNT_BLK
0808-080b : ACPI PM_TMR
0810-0815 : ACPI CPU throttle
0820-082f : ACPI GPE0_BLK
0830-0833 : iTCO_wdt.0.auto
0850-0850 : ACPI PM2_CNT_BLK
0860-087f : iTCO_wdt.0.auto
0a00-0a0f : pnp 00:02
0a10-0a1f : pnp 00:02
0a15-0a16 : it87
0a15-0a16 : it87
0a20-0a2f : pnp 00:02
0a30-0a3f : pnp 00:02
0cf8-0cff : PCI conf1
0d00-ffff : PCI Bus 0000:00
1000-1fff : PCI Bus 0000:02
d080-d08f : 0000:00:1f.2
d080-d08f : ata_piix
d400-d40f : 0000:00:1f.2
d400-d40f : ata_piix
d480-d483 : 0000:00:1f.2
d480-d483 : ata_piix
d800-d807 : 0000:00:1f.2
d800-d807 : ata_piix
d880-d883 : 0000:00:1f.2
d880-d883 : ata_piix
dc00-dc07 : 0000:00:1f.2
dc00-dc07 : ata_piix
e000-efff : PCI Bus 0000:01
e000-e0ff : 0000:01:00.0
$ cat /proc/iomem
00000000-00000fff : reserved
00001000-0009fbff : System RAM
0009fc00-0009ffff : reserved
000a0000-000bffff : PCI Bus 0000:00
000c0000-000ce7ff : Video ROM
000d0000-000dffff : PCI Bus 0000:00
000e4000-000fffff : reserved
000f0000-000fffff : System ROM
00100000-bd77ffff : System RAM
01000000-018006bf : Kernel code
018006c0-01f3b9ff : Kernel data
020b2000-021f4fff : Kernel bss
bd780000-bd78dfff : ACPI Tables
bd78e000-bd7cffff : ACPI Non-volatile Storage
bd7d0000-bd7dffff : reserved
bd7e0000-bd7ecfff : RAM buffer
bd7ed000-bdffffff : reserved
be000000-dfffffff : PCI Bus 0000:00
be000000-be1fffff : PCI Bus 0000:02
be200000-be3fffff : PCI Bus 0000:02
d0000000-dfffffff : PCI Bus 0000:01
d0000000-dfffffff : 0000:01:00.0
e0000000-efffffff : PCI MMCONFIG 0000 [bus 00-ff]
e0000000-efffffff : pnp 00:06
f0000000-fed8ffff : PCI Bus 0000:00
fbdf4000-fbdf40ff : 0000:00:1f.3
fbdf6000-fbdf63ff : 0000:00:1d.0
fbdf6000-fbdf63ff : ehci_hcd
fbdf8000-fbdfbfff : 0000:00:1b.0
fbdf8000-fbdfbfff : ICH HD audio
fbdfc000-fbdfc3ff : 0000:00:1a.0
fbdfc000-fbdfc3ff : ehci_hcd
fbdfe000-fbdfe00f : 0000:00:16.0
fbdfe000-fbdfe00f : mei_me
fbe00000-fbefffff : PCI Bus 0000:01
fbebc000-fbebffff : 0000:01:00.1
fbebc000-fbebffff : ICH HD audio
fbec0000-fbedffff : 0000:01:00.0
fbee0000-fbefffff : 0000:01:00.0
fbf00000-fbffffff : PCI Bus 0000:03
fbff0000-fbffffff : 0000:03:00.0
fbff0000-fbffffff : tg3
fc000000-fcffffff : pnp 00:00
fd000000-fdffffff : pnp 00:00
fe000000-febfffff : pnp 00:00
fec00000-fec003ff : IOAPIC 0
fed00000-fed003ff : HPET 0
fed00000-fed003ff : PNP0103:00
fed14000-fed19fff : pnp 00:00
fed1c000-fed1ffff : pnp 00:03
fed1f410-fed1f414 : iTCO_wdt.0.auto
fed20000-fed3ffff : pnp 00:03
fed40000-fed8ffff : pnp 00:03
fee00000-fee00fff : Local APIC
fee00000-fee00fff : reserved
fee00000-fee00fff : pnp 00:05
ffb00000-ffffffff : reserved
ffb00000-ffbfffff : INT0800:00
ffc00000-ffefffff : pnp 00:04
fff00000-ffffffff : INT0800:00
100000000-23fffffff : System RAM
[7.5.] PCI information ('lspci -vvv' as root)
$ sudo lspci -vvv
00:00.0 Host bridge: Intel Corporation Core Processor DMI (rev 11)
Subsystem: Dell Device 0438
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-
Capabilities: [40] #00 [0000]
00:03.0 PCI bridge: Intel Corporation Core Processor PCI Express Root
Port 1 (rev 11) (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: 32 bytes
Interrupt: pin A routed to IRQ 16
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
I/O behind bridge: 0000e000-0000efff
Memory behind bridge: fbe00000-fbefffff
Prefetchable memory behind bridge: 00000000d0000000-00000000dfffffff
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: [40] Subsystem: Dell Device 0438
Capabilities: [60] MSI: Enable- Count=1/2 Maskable+ 64bit-
Address: 00000000 Data: 0000
Masking: 00000000 Pending: 00000000
Capabilities: [90] Express (v2) Root Port (Slot-), MSI 00
DevCap: MaxPayload 256 bytes, PhantFunc 0
ExtTag+ RBE+
DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
MaxPayload 128 bytes, MaxReadReq 128 bytes
DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr-
TransPend-
LnkCap: Port #0, Speed 5GT/s, Width x16, ASPM L0s L1, Exit
Latency L0s <512ns, L1 <4us
ClockPM- Surprise+ LLActRep+ BwNot+ ASPMOptComp-
LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 5GT/s, Width x16, TrErr- Train- SlotClk+
DLActive+ BWMgmt+ ABWMgmt+
RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna-
CRSVisible+
RootCap: CRSVisible+
RootSta: PME ReqID 0000, PMEStatus- PMEPending-
DevCap2: Completion Timeout: Range BCD, TimeoutDis+, LTR-, OBFF
Not Supported ARIFwd+
DevCtl2: Completion Timeout: 260ms to 900ms, TimeoutDis-, LTR-,
OBFF Disabled ARIFwd-
LnkCtl2: Target Link Speed: 5GT/s, EnterCompliance- SpeedDis-
Transmit Margin: Normal Operating Range,
EnterModifiedCompliance- ComplianceSOS-
Compliance De-emphasis: -6dB
LnkSta2: Current De-emphasis Level: -6dB,
EqualizationComplete-, EqualizationPhase1-
EqualizationPhase2-, EqualizationPhase3-,
LinkEqualizationRequest-
Capabilities: [e0] Power Management version 3
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [100 v1] Advanced Error Reporting
UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt-
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt-
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt-
RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr-
CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
AERCap: First Error Pointer: 00, GenCap- CGenEn- ChkCap- ChkEn-
Capabilities: [150 v1] Access Control Services
ACSCap: SrcValid+ TransBlk+ ReqRedir+ CmpltRedir+
UpstreamFwd+ EgressCtrl- DirectTrans-
ACSCtl: SrcValid- TransBlk- ReqRedir- CmpltRedir-
UpstreamFwd- EgressCtrl- DirectTrans-
Capabilities: [160 v0] Vendor Specific Information: ID=0002 Rev=0
Len=00c <?>
Kernel driver in use: pcieport
00:08.0 System peripheral: Intel Corporation Core Processor System
Management Registers (rev 11)
Subsystem: Device 0028:0038
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-
Capabilities: [40] Express (v2) Root Complex Integrated Endpoint,
MSI 00
DevCap: MaxPayload 128 bytes, PhantFunc 0
ExtTag- RBE+
DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
MaxPayload 128 bytes, MaxReadReq 128 bytes
DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr-
TransPend-
DevCap2: Completion Timeout: Not Supported, TimeoutDis-, LTR-,
OBFF Not Supported
DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-,
OBFF Disabled
Capabilities: [100 v0] Vendor Specific Information: ID=0000 Rev=0
Len=000 <?>
00:08.1 System peripheral: Intel Corporation Core Processor Semaphore
and Scratchpad Registers (rev 11)
Subsystem: Device 0028:0038
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-
Capabilities: [40] Express (v2) Root Complex Integrated Endpoint,
MSI 00
DevCap: MaxPayload 128 bytes, PhantFunc 0
ExtTag- RBE+
DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
MaxPayload 128 bytes, MaxReadReq 128 bytes
DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr-
TransPend-
DevCap2: Completion Timeout: Not Supported, TimeoutDis-, LTR-,
OBFF Not Supported
DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-,
OBFF Disabled
Capabilities: [100 v0] Vendor Specific Information: ID=0000 Rev=0
Len=000 <?>
00:08.2 System peripheral: Intel Corporation Core Processor System
Control and Status Registers (rev 11)
Subsystem: Device 0028:0038
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-
Capabilities: [40] Express (v2) Root Complex Integrated Endpoint,
MSI 00
DevCap: MaxPayload 128 bytes, PhantFunc 0
ExtTag- RBE+
DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
MaxPayload 128 bytes, MaxReadReq 128 bytes
DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr-
TransPend-
DevCap2: Completion Timeout: Not Supported, TimeoutDis-, LTR-,
OBFF Not Supported
DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-,
OBFF Disabled
Capabilities: [100 v0] Vendor Specific Information: ID=0000 Rev=0
Len=000 <?>
00:08.3 System peripheral: Intel Corporation Core Processor
Miscellaneous Registers (rev 11)
Subsystem: Device 0028:0038
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-
00:10.0 System peripheral: Intel Corporation Core Processor QPI Link
(rev 11)
Subsystem: Device 0028:0038
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-
00:10.1 System peripheral: Intel Corporation Core Processor QPI Routing
and Protocol Registers (rev 11)
Subsystem: Device 0028:0038
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-
00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series
Chipset HECI Controller (rev 06)
Subsystem: Dell Device 0438
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 30
Region 0: Memory at fbdfe000 (64-bit, non-prefetchable) [size=16]
Capabilities: [50] Power Management version 3
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [8c] MSI: Enable+ Count=1/1 Maskable- 64bit+
Address: 00000000fee0f00c Data: 41e1
Kernel driver in use: mei_me
00:1a.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset
USB2 Enhanced Host Controller (rev 06) (prog-if 20 [EHCI])
Subsystem: Dell Device 0438
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 16
Region 0: Memory at fbdfc000 (32-bit, non-prefetchable) [size=1K]
Capabilities: [50] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [58] Debug port: BAR=1 offset=00a0
Capabilities: [98] PCI Advanced Features
AFCap: TP+ FLR+
AFCtrl: FLR-
AFStatus: TP-
Kernel driver in use: ehci-pci
00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset
High Definition Audio (rev 06)
Subsystem: Dell Device 0438
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: 32 bytes
Interrupt: pin A routed to IRQ 31
Region 0: Memory at fbdf8000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=55mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
Address: 00000000fee0f00c Data: 4142
Capabilities: [70] Express (v1) Root Complex Integrated Endpoint,
MSI 00
DevCap: MaxPayload 128 bytes, PhantFunc 0
ExtTag- RBE-
DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
MaxPayload 128 bytes, MaxReadReq 128 bytes
DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+
TransPend-
Capabilities: [100 v1] Virtual Channel
Caps: LPEVC=0 RefClk=100ns PATEntryBits=1
Arb: Fixed- WRR32- WRR64- WRR128-
Ctrl: ArbSelect=Fixed
Status: InProgress-
VC0: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans-
Arb: Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256-
Ctrl: Enable+ ID=0 ArbSelect=Fixed TC/VC=01
Status: NegoPending- InProgress-
VC1: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans-
Arb: Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256-
Ctrl: Enable+ ID=2 ArbSelect=Fixed TC/VC=04
Status: NegoPending- InProgress-
Capabilities: [130 v1] Root Complex Link
Desc: PortNumber=0f ComponentID=00 EltType=Config
Link0: Desc: TargetPort=00 TargetComponent=00 AssocRCRB-
LinkType=MemMapped LinkValid+
Addr: 00000000fed1c000
Kernel driver in use: snd_hda_intel
00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI
Express Root Port 1 (rev 06) (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: 32 bytes
Interrupt: pin A routed to IRQ 17
Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
I/O behind bridge: 00001000-00001fff
Memory behind bridge: be000000-be1fffff
Prefetchable memory behind bridge: 00000000be200000-00000000be3fffff
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: [40] Express (v2) Root Port (Slot+), MSI 00
DevCap: MaxPayload 128 bytes, PhantFunc 0
ExtTag- RBE+
DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
MaxPayload 128 bytes, MaxReadReq 128 bytes
DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+
TransPend-
LnkCap: Port #1, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit
Latency L0s <1us, L1 <4us
ClockPM- Surprise- LLActRep+ BwNot- ASPMOptComp-
LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk-
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 2.5GT/s, Width x0, TrErr- Train- SlotClk+
DLActive- BWMgmt- ABWMgmt-
SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug+
Surprise+
Slot #128, PowerLimit 25.000W; Interlock- NoCompl+
SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt-
HPIrq- LinkChg-
Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock-
SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet-
Interlock-
Changed: MRL- PresDet- LinkState-
RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna-
CRSVisible-
RootCap: CRSVisible-
RootSta: PME ReqID 0000, PMEStatus- PMEPending-
DevCap2: Completion Timeout: Range BC, TimeoutDis+, LTR-, OBFF
Not Supported ARIFwd-
DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-,
OBFF Disabled ARIFwd-
LnkCtl2: Target Link Speed: 2.5GT/s, EnterCompliance- SpeedDis-
Transmit Margin: Normal Operating Range,
EnterModifiedCompliance- ComplianceSOS-
Compliance De-emphasis: -6dB
LnkSta2: Current De-emphasis Level: -6dB,
EqualizationComplete-, EqualizationPhase1-
EqualizationPhase2-, EqualizationPhase3-,
LinkEqualizationRequest-
Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit-
Address: 00000000 Data: 0000
Capabilities: [90] Subsystem: Dell Device 0438
Capabilities: [a0] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Kernel driver in use: pcieport
00:1c.5 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI
Express Root Port 6 (rev 06) (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: 32 bytes
Interrupt: pin B routed to IRQ 16
Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
I/O behind bridge: 0000f000-00000fff
Memory behind bridge: fbf00000-fbffffff
Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff
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: [40] Express (v2) Root Port (Slot-), MSI 00
DevCap: MaxPayload 128 bytes, PhantFunc 0
ExtTag- RBE+
DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
MaxPayload 128 bytes, MaxReadReq 128 bytes
DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+
TransPend-
LnkCap: Port #6, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit
Latency L0s <256ns, L1 <4us
ClockPM- Surprise- LLActRep+ BwNot- ASPMOptComp-
LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+
DLActive+ BWMgmt- ABWMgmt-
RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna-
CRSVisible-
RootCap: CRSVisible-
RootSta: PME ReqID 0000, PMEStatus- PMEPending-
DevCap2: Completion Timeout: Range BC, TimeoutDis+, LTR-, OBFF
Not Supported ARIFwd-
DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-,
OBFF Disabled ARIFwd-
LnkCtl2: Target Link Speed: 2.5GT/s, EnterCompliance- SpeedDis-
Transmit Margin: Normal Operating Range,
EnterModifiedCompliance- ComplianceSOS-
Compliance De-emphasis: -6dB
LnkSta2: Current De-emphasis Level: -6dB,
EqualizationComplete-, EqualizationPhase1-
EqualizationPhase2-, EqualizationPhase3-,
LinkEqualizationRequest-
Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit-
Address: 00000000 Data: 0000
Capabilities: [90] Subsystem: Dell Device 0438
Capabilities: [a0] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Kernel driver in use: pcieport
00:1d.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset
USB2 Enhanced Host Controller (rev 06) (prog-if 20 [EHCI])
Subsystem: Dell Device 0438
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 23
Region 0: Memory at fbdf6000 (32-bit, non-prefetchable) [size=1K]
Capabilities: [50] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [58] Debug port: BAR=1 offset=00a0
Capabilities: [98] PCI Advanced Features
AFCap: TP+ FLR+
AFCtrl: FLR-
AFStatus: TP-
Kernel driver in use: ehci-pci
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev a6) (prog-if
01 [Subtractive 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
Bus: primary=00, secondary=04, subordinate=04, sec-latency=32
I/O behind bridge: 0000f000-00000fff
Memory behind bridge: fff00000-000fffff
Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff
Secondary status: 66MHz- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort+ <SERR- <PERR-
BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
Capabilities: [50] Subsystem: Dell Device 0438
00:1f.0 ISA bridge: Intel Corporation 5 Series Chipset LPC Interface
Controller (rev 06)
Subsystem: Dell Device 0438
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: [e0] Vendor Specific Information: Len=10 <?>
Kernel driver in use: lpc_ich
00:1f.2 IDE interface: Intel Corporation 5 Series/3400 Series Chipset 4
port SATA IDE Controller (rev 06) (prog-if 8f [Master SecP SecO PriP PriO])
Subsystem: Dell Device 0438
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 19
Region 0: I/O ports at dc00 [size=8]
Region 1: I/O ports at d880 [size=4]
Region 2: I/O ports at d800 [size=8]
Region 3: I/O ports at d480 [size=4]
Region 4: I/O ports at d400 [size=16]
Region 5: I/O ports at d080 [size=16]
Capabilities: [70] Power Management version 3
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [b0] PCI Advanced Features
AFCap: TP+ FLR+
AFCtrl: FLR-
AFStatus: TP-
Kernel driver in use: ata_piix
00:1f.3 SMBus: Intel Corporation 5 Series/3400 Series Chipset SMBus
Controller (rev 06)
Subsystem: Dell Device 0438
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 3
Region 0: Memory at fbdf4000 (64-bit, non-prefetchable) [size=256]
Region 4: I/O ports at 0400 [size=32]
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc.
[AMD/ATI] Cedar [Radeon HD 5000/6000/7350/8350 Series] (prog-if 00 [VGA
controller])
Subsystem: Dell XPS 8300
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: 32 bytes
Interrupt: pin A routed to IRQ 29
Region 0: Memory at d0000000 (64-bit, prefetchable) [size=256M]
Region 2: Memory at fbee0000 (64-bit, non-prefetchable) [size=128K]
Region 4: I/O ports at e000 [size=256]
Expansion ROM at fbec0000 [disabled] [size=128K]
Capabilities: [50] Power Management version 3
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [58] Express (v2) Legacy Endpoint, MSI 00
DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s <4us,
L1 unlimited
ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
MaxPayload 128 bytes, MaxReadReq 512 bytes
DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr-
TransPend-
LnkCap: Port #0, Speed 5GT/s, Width x16, ASPM L0s L1, Exit
Latency L0s <64ns, L1 <1us
ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp-
LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 5GT/s, Width x16, TrErr- Train- SlotClk+
DLActive- BWMgmt- ABWMgmt-
DevCap2: Completion Timeout: Range ABCD, TimeoutDis+, LTR-,
OBFF Not Supported
DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-,
OBFF Disabled
LnkCtl2: Target Link Speed: 5GT/s, EnterCompliance- SpeedDis-
Transmit Margin: Normal Operating Range,
EnterModifiedCompliance- ComplianceSOS-
Compliance De-emphasis: -6dB
LnkSta2: Current De-emphasis Level: -6dB,
EqualizationComplete-, EqualizationPhase1-
EqualizationPhase2-, EqualizationPhase3-,
LinkEqualizationRequest-
Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Address: 00000000fee0f00c Data: 41d1
Capabilities: [100 v1] Vendor Specific Information: ID=0001 Rev=1
Len=010 <?>
Capabilities: [150 v1] Advanced Error Reporting
UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt-
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt-
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt-
RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
AERCap: First Error Pointer: 00, GenCap+ CGenEn- ChkCap+ ChkEn-
Kernel driver in use: radeon
01:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Cedar HDMI
Audio [Radeon HD 5400/6300 Series]
Subsystem: Dell XPS 8300
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: 32 bytes
Interrupt: pin B routed to IRQ 32
Region 0: Memory at fbebc000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 3
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [58] Express (v2) Legacy Endpoint, MSI 00
DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s <4us,
L1 unlimited
ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
MaxPayload 128 bytes, MaxReadReq 512 bytes
DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr-
TransPend-
LnkCap: Port #0, Speed 5GT/s, Width x16, ASPM L0s L1, Exit
Latency L0s <64ns, L1 <1us
ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp-
LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 5GT/s, Width x16, TrErr- Train- SlotClk+
DLActive- BWMgmt- ABWMgmt-
DevCap2: Completion Timeout: Range ABCD, TimeoutDis+, LTR-,
OBFF Not Supported
DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-,
OBFF Disabled
LnkSta2: Current De-emphasis Level: -6dB,
EqualizationComplete-, EqualizationPhase1-
EqualizationPhase2-, EqualizationPhase3-,
LinkEqualizationRequest-
Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Address: 00000000fee0f00c Data: 4152
Capabilities: [100 v1] Vendor Specific Information: ID=0001 Rev=1
Len=010 <?>
Capabilities: [150 v1] Advanced Error Reporting
UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt-
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt-
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt-
RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
AERCap: First Error Pointer: 00, GenCap+ CGenEn- ChkCap+ ChkEn-
Kernel driver in use: snd_hda_intel
03:00.0 Ethernet controller: Broadcom Corporation NetLink BCM57788
Gigabit Ethernet PCIe (rev 01)
Subsystem: Dell Device 0438
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: 32 bytes
Interrupt: pin A routed to IRQ 33
Region 0: Memory at fbff0000 (64-bit, non-prefetchable) [size=64K]
Capabilities: [48] Power Management version 3
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot+,D3cold+)
Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=1 PME-
Capabilities: [60] Vendor Specific Information: Len=6c <?>
Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+
Address: 00000000fee0100c Data: 4162
Capabilities: [cc] Express (v2) Endpoint, MSI 00
DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <4us,
L1 unlimited
ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
MaxPayload 128 bytes, MaxReadReq 512 bytes
DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+
TransPend-
LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit
Latency L0s <1us, L1 <32us
ClockPM+ Surprise- LLActRep- BwNot- ASPMOptComp-
LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+
DLActive- BWMgmt- ABWMgmt-
DevCap2: Completion Timeout: Range ABCD, TimeoutDis+, LTR-,
OBFF Not Supported
DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-,
OBFF Disabled
LnkCtl2: Target Link Speed: 2.5GT/s, EnterCompliance- SpeedDis-
Transmit Margin: Normal Operating Range,
EnterModifiedCompliance- ComplianceSOS-
Compliance De-emphasis: -6dB
LnkSta2: Current De-emphasis Level: -6dB,
EqualizationComplete-, EqualizationPhase1-
EqualizationPhase2-, EqualizationPhase3-,
LinkEqualizationRequest-
Capabilities: [100 v1] Advanced Error Reporting
UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt-
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt-
RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt-
RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr-
CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
AERCap: First Error Pointer: 00, GenCap+ CGenEn- ChkCap+ ChkEn-
Capabilities: [13c v1] Virtual Channel
Caps: LPEVC=0 RefClk=100ns PATEntryBits=1
Arb: Fixed- WRR32- WRR64- WRR128-
Ctrl: ArbSelect=Fixed
Status: InProgress-
VC0: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans-
Arb: Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256-
Ctrl: Enable+ ID=0 ArbSelect=Fixed TC/VC=ff
Status: NegoPending- InProgress-
Capabilities: [160 v1] Device Serial Number 84-2b-2b-ff-fe-b3-de-41
Capabilities: [16c v1] Power Budgeting <?>
Kernel driver in use: tg3
ff:00.0 Host bridge: Intel Corporation Core Processor QuickPath
Architecture Generic Non-Core Registers (rev 04)
Subsystem: Intel Corporation Device 8086
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
ff:00.1 Host bridge: Intel Corporation Core Processor QuickPath
Architecture System Address Decoder (rev 04)
Subsystem: Intel Corporation Device 8086
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
ff:02.0 Host bridge: Intel Corporation Core Processor QPI Link 0 (rev 04)
Subsystem: Intel Corporation Device 8086
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
Kernel driver in use: i7core_edac
ff:02.1 Host bridge: Intel Corporation Core Processor QPI Physical 0
(rev 04)
Subsystem: Intel Corporation Device 8086
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
ff:03.0 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller (rev 04)
Subsystem: Intel Corporation Device 8086
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
ff:03.1 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Target Address Decoder (rev 04)
Subsystem: Intel Corporation Device 8086
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
ff:03.4 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Test Registers (rev 04)
Subsystem: Intel Corporation Device 8086
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
ff:04.0 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Channel 0 Control Registers (rev 04)
Subsystem: Intel Corporation Device 8086
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
ff:04.1 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Channel 0 Address Registers (rev 04)
Subsystem: Intel Corporation Device 8086
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
ff:04.2 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Channel 0 Rank Registers (rev 04)
Subsystem: Intel Corporation Device 8086
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
ff:04.3 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Channel 0 Thermal Control Registers (rev 04)
Subsystem: Intel Corporation Device 8086
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
ff:05.0 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Channel 1 Control Registers (rev 04)
Subsystem: Intel Corporation Device 8086
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
ff:05.1 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Channel 1 Address Registers (rev 04)
Subsystem: Intel Corporation Device 8086
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
ff:05.2 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Channel 1 Rank Registers (rev 04)
Subsystem: Intel Corporation Device 8086
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
ff:05.3 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Channel 1 Thermal Control Registers (rev 04)
Subsystem: Intel Corporation Device 8086
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
[7.6.] SCSI information (from /proc/scsi/scsi)
$ cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: ATA Model: WDC WD1001FAES-7 Rev: 1D05
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi1 Channel: 00 Id: 00 Lun: 00
Vendor: PLDS Model: DVDRWBD DH-6E2S Rev: 7D12
Type: CD-ROM ANSI SCSI revision: 05
Host: scsi2 Channel: 00 Id: 00 Lun: 00
Vendor: Generic- Model: SD/MMC Rev: 1.00
Type: Direct-Access ANSI SCSI revision: 00
Host: scsi2 Channel: 00 Id: 00 Lun: 01
Vendor: Generic- Model: Compact Flash Rev: 1.01
Type: Direct-Access ANSI SCSI revision: 00
Host: scsi2 Channel: 00 Id: 00 Lun: 02
Vendor: Generic- Model: SM/xD-Picture Rev: 1.02
Type: Direct-Access ANSI SCSI revision: 00
Host: scsi2 Channel: 00 Id: 00 Lun: 03
Vendor: Generic- Model: MS/MS-Pro Rev: 1.03
Type: Direct-Access ANSI SCSI revision: 00
[7.7.] Other information that might be relevant to the problem (please
look in /proc and include all information that you think to be relevant):
$ ls /proc
1 169 1953 2419 26 2745 29193 3399 474 751 8396
asound kcore slabinfo
10 17 1954 2424 2602 2754 29194 34 48 752 84
buddyinfo keys softirqs
10609 172 1955 2426 2606 2760 29195 3400 5 759 85
bus key-users stat
10737 173 1972 2432 2608 2769 29196 3401 6033 76 86
cgroups kmsg swaps
11 174 1985 2437 2614 2779 29215 3402 6276 768 867
cmdline kpagecgroup sys
113 175 2 2449 2616 2795 2932 3403 6291 77 87
consoles kpagecount sysrq-trigger
114 1786 20 2466 2617 28 2952 3434 63 770 88
cpuinfo kpageflags sysvipc
117 179 2042 2471 2618 2801 29576 3443 64 78 89
crypto loadavg thread-self
119 18 21 2483 2619 2813 29723 3444 65 782 9
devices locks timer_list
12 180 2142 249 2620 2824 2988 35 66 787 90
diskstats mdstat timer_stats
13 183 2194 25 2621 2836 3 3541 67 79 91
dma meminfo tty
1323 184 22 250 2622 2843 30 36 68 791 912
driver misc uptime
1367 185 2227 2510 2625 2853 3004 37 69 8 914
execdomains modules version
1381 186 2292 2512 2637 2858 3015 38 7 80 92
fb mounts vmallocinfo
1409 187 23 2532 2678 289 3018 39 70 803 94
filesystems mtrr vmstat
1437 188 2330 2546 2697 29 3065 390 71 81 966
fs net zoneinfo
15 189 2331 2548 2698 2912 31 41 712 8143 981
i8k pagetypeinfo
16 1895 2337 2552 27 29187 313 420 72 82 99
interrupts partitions
1616 1926 2339 2555 2700 29188 32 435 723 83 991
iomem sched_debug
166 1930 2412 2559 2707 2919 3208 44 73 8373 995
ioports schedstat
167 1949 2413 2563 2710 29191 33 46 74 8374 998
irq scsi
168 1952 2417 2595 2739 29192 331 47 75 8378 acpi
kallsyms self
[X.] Other notes, patches, fixes, workarounds:
Launchpad bug report -
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1514052
Notice that this is a desktop PC not a laptop and the bug seems similar
to https://bugzilla.kernel.org/show_bug.cgi?id=100121#c29
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