From: Diego Rodriguez Gonzalez <gran.diego@gmail.com>
To: rtc-linux@googlegroups.com, dbasehore@chromium.org
Cc: a.zummo@towertech.it, maximlevitsky@gmail.com, hpa@zytor.com,
tglx@linutronix.de, mingo@elte.hu, rjw@sisk.pl,
linux-kernel@vger.kernel.org
Subject: [BUG] [Gigabyte GA-MA78GPM-DS2H] ACPI wakeup fails if HPET enabled in BIOS
Date: Thu, 02 Jan 2014 19:49:23 +0100 [thread overview]
Message-ID: <52C5B4B3.8030900@gmail.com> (raw)
In-Reply-To: <52C5ADE3.7020905@gmail.com>
[Full Description]
If I enable HPET in BIOS on Gigabyte GA-MA78GPM-DS2H (AMD 780G chipset)
and I try to set up ACPI wakeup using (as root):
echo `date '+%s' -d '+ 5 minutes'` > /sys/class/rtc/rtc0/wakealarm
or:
rtcwake -d rtc0 -u -m no -t `date '+%s' -d '+ 5 minutes'`
The computer does not wake up.
[4.] Kernel version (from /proc/version):
Linux version 3.13.0-031300rc6-generic (apw@gomeisa) (gcc version 4.6.3
(Ubuntu/Linaro 4.6.3-1ubuntu5) ) #201312291935 SMP Mon Dec 30 00:37:05
UTC 2013
[7.] Environment
lsb_release -rd
Description: Ubuntu 13.10
Release: 13.10
[7.1.] Software (add the output of the ver_linux script here)
Description: Ubuntu 13.10
Release: 13.10
[7.2.] Processor information (from /proc/cpuinfo):
cat /proc/cpuinfo
processor : 0
vendor_id : AuthenticAMD
cpu family : 16
model : 10
model name : AMD Phenom(tm) II X6 1100T Processor
stepping : 0
microcode : 0x10000dc
cpu MHz : 800.000
cache size : 512 KB
physical id : 0
siblings : 6
core id : 0
cpu cores : 6
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 6
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt
pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nopl nonstop_tsc
extd_apicid aperfmperf pni monitor cx16 popcnt lahf_lm cmp_legacy svm
extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit
wdt cpb hw_pstate npt lbrv svm_lock nrip_save pausefilter
bogomips : 6629.47
TLB size : 1024 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 48 bits physical, 48 bits virtual
power management: ts ttp tm stc 100mhzsteps hwpstate cpb
(repeated 6 times)
[7.3.] Module information (from /proc/modules):
dm_crypt 23417 0 - Live 0x0000000000000000
cuse 13566 3 - Live 0x0000000000000000
rpcsec_gss_krb5 40513 1 - Live 0x0000000000000000
nfsv4 486302 2 - Live 0x0000000000000000
parport_pc 36962 0 - Live 0x0000000000000000
ppdev 17711 0 - Live 0x0000000000000000
lp 17799 0 - Live 0x0000000000000000
parport 42481 3 parport_pc,ppdev,lp, Live 0x0000000000000000
bnep 19884 2 - Live 0x0000000000000000
rfcomm 74748 0 - Live 0x0000000000000000
snd_hda_codec_hdmi 46898 1 - Live 0x0000000000000000
bluetooth 411140 10 bnep,rfcomm, Live 0x0000000000000000
snd_hda_codec_realtek 61978 1 - Live 0x0000000000000000
snd_hda_intel 57222 5 - Live 0x0000000000000000
kvm_amd 60554 0 - Live 0x0000000000000000
kvm 468147 1 kvm_amd, Live 0x0000000000000000
psmouse 108513 0 - Live 0x0000000000000000
snd_seq_midi 13324 0 - Live 0x0000000000000000
snd_seq_midi_event 14899 1 snd_seq_midi, Live 0x0000000000000000
microcode 23788 0 - Live 0x0000000000000000
snd_hda_codec 199156 3
snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel, Live
0x0000000000000000
snd_rawmidi 30465 1 snd_seq_midi, Live 0x0000000000000000
snd_hwdep 13613 1 snd_hda_codec, Live 0x0000000000000000
serio_raw 13462 0 - Live 0x0000000000000000
snd_pcm 107140 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec, Live
0x0000000000000000
snd_seq 66061 2 snd_seq_midi,snd_seq_midi_event, Live 0x0000000000000000
edac_core 62944 0 - Live 0x0000000000000000
edac_mce_amd 22792 0 - Live 0x0000000000000000
snd_page_alloc 18798 2 snd_hda_intel,snd_pcm, Live 0x0000000000000000
snd_seq_device 14497 3 snd_seq_midi,snd_rawmidi,snd_seq, Live
0x0000000000000000
sp5100_tco 14114 0 - Live 0x0000000000000000
snd_timer 30038 2 snd_pcm,snd_seq, Live 0x0000000000000000
i2c_piix4 22299 0 - Live 0x0000000000000000
snd 73850 21
snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel,snd_seq_midi,snd_hda_codec,snd_rawmidi,snd_hwdep,snd_pcm,snd_seq,snd_seq_device,snd_timer,
Live 0x0000000000000000
binfmt_misc 17508 1 - Live 0x0000000000000000
k10temp 13173 0 - Live 0x0000000000000000
nfsd 292634 13 - Live 0x0000000000000000
soundcore 12680 1 snd, Live 0x0000000000000000
it87 47334 0 - Live 0x0000000000000000
hwmon_vid 12827 1 it87, Live 0x0000000000000000
auth_rpcgss 60158 3 rpcsec_gss_krb5,nfsd, Live 0x0000000000000000
nfs_acl 12883 1 nfsd, Live 0x0000000000000000
mac_hid 13253 0 - Live 0x0000000000000000
shpchp 37201 0 - Live 0x0000000000000000
msr 12908 0 - Live 0x0000000000000000
nfs 247331 2 nfsv4, Live 0x0000000000000000
lockd 95174 2 nfsd,nfs, Live 0x0000000000000000
sunrpc 295412 31
rpcsec_gss_krb5,nfsv4,nfsd,auth_rpcgss,nfs_acl,nfs,lockd, Live
0x0000000000000000
fscache 64282 2 nfsv4,nfs, Live 0x0000000000000000
raid10 48667 0 - Live 0x0000000000000000
raid1 35921 0 - Live 0x0000000000000000
raid0 17969 0 - Live 0x0000000000000000
multipath 13145 0 - Live 0x0000000000000000
linear 12894 0 - Live 0x0000000000000000
raid456 87551 1 - Live 0x0000000000000000
async_raid6_recov 12984 1 raid456, Live 0x0000000000000000
async_memcpy 12689 1 raid456, Live 0x0000000000000000
async_pq 13456 1 raid456, Live 0x0000000000000000
async_xor 13233 2 raid456,async_pq, Live 0x0000000000000000
async_tx 13509 5
raid456,async_raid6_recov,async_memcpy,async_pq,async_xor, Live
0x0000000000000000
hid_generic 12548 0 - Live 0x0000000000000000
xor 21411 1 async_xor, Live 0x0000000000000000
usbhid 53067 0 - Live 0x0000000000000000
hid 106254 2 hid_generic,usbhid, Live 0x0000000000000000
raid6_pq 97812 2 async_raid6_recov,async_pq, Live 0x0000000000000000
pata_acpi 13038 0 - Live 0x0000000000000000
radeon 1565590 2 - Live 0x0000000000000000
i2c_algo_bit 13564 1 radeon, Live 0x0000000000000000
ttm 89884 1 radeon, Live 0x0000000000000000
ahci 30063 6 - Live 0x0000000000000000
r8169 73299 0 - Live 0x0000000000000000
pata_atiixp 13271 0 - Live 0x0000000000000000
drm_kms_helper 53224 1 radeon, Live 0x0000000000000000
libahci 32277 1 ahci, Live 0x0000000000000000
mii 13981 1 r8169, Live 0x0000000000000000
drm 308397 4 radeon,ttm,drm_kms_helper, Live 0x0000000000000000
wmi 19363 0 - Live 0x0000000000000000
[7.4.] Loaded driver and hardware information (/proc/ioports, /proc/iomem)
*While booted into the newest upstream mainline kernel only*, execute
the following in a terminal, and paste the results:
cat /proc/ioports
0000-0cf7 : PCI Bus 0000:00
0000-001f : dma1
0020-0021 : pic1
0040-0043 : timer0
0050-0053 : timer1
0060-0060 : keyboard
0064-0064 : keyboard
0070-0073 : rtc0
0080-008f : dma page reg
00a0-00a1 : pic2
00c0-00df : dma2
00f0-00ff : fpu
0170-0177 : 0000:00:14.1
0170-0177 : pata_atiixp
01f0-01f7 : 0000:00:14.1
01f0-01f7 : pata_atiixp
0220-0225 : pnp 00:00
0228-022f : pnp 00:01
022d-022e : it87
022d-022e : it87
0238-023f : pnp 00:01
0290-0294 : pnp 00:00
0376-0376 : 0000:00:14.1
0376-0376 : pata_atiixp
03f6-03f6 : 0000:00:14.1
03f6-03f6 : pata_atiixp
040b-040b : pnp 00:01
04d0-04d1 : pnp 00:00
04d6-04d6 : pnp 00:01
0b00-0b0f : pnp 00:01
0b10-0b1f : pnp 00:01
0b20-0b3f : pnp 00:01
0c00-0c01 : pnp 00:01
0c14-0c14 : pnp 00:01
0c50-0c52 : pnp 00:01
0c6c-0c6d : pnp 00:01
0c6f-0c6f : pnp 00:01
0cd0-0cd1 : pnp 00:01
0cd2-0cd3 : pnp 00:01
0cd4-0cdf : pnp 00:01
0cf8-0cff : PCI conf1
0d00-ffff : PCI Bus 0000:00
4000-4003 : ACPI PM1a_EVT_BLK
4004-4005 : ACPI PM1a_CNT_BLK
4008-400b : ACPI PM_TMR
4010-4015 : ACPI CPU throttle
4020-4027 : ACPI GPE0_BLK
4050-4050 : ACPI PM2_CNT_BLK
4100-411f : pnp 00:01
4210-4217 : pnp 00:01
c000-cfff : PCI Bus 0000:03
ca00-caff : 0000:03:06.0
ca00-ca07 : serial
cc00-ccff : 0000:03:06.0
cf00-cf07 : 0000:03:06.0
d000-dfff : PCI Bus 0000:02
de00-deff : 0000:02:00.0
de00-deff : r8169
e000-efff : PCI Bus 0000:01
ee00-eeff : 0000:01:05.0
fa00-fa0f : 0000:00:14.1
fa00-fa0f : pata_atiixp
fb00-fb0f : 0000:00:11.0
fb00-fb0f : ahci
fc00-fc03 : 0000:00:11.0
fc00-fc03 : ahci
fd00-fd07 : 0000:00:11.0
fd00-fd07 : ahci
fe00-fe03 : 0000:00:11.0
fe00-fe03 : ahci
ff00-ff07 : 0000:00:11.0
ff00-ff07 : ahci
cat /proc/iomem
00000000-00000fff : reserved
00001000-00096fff : System RAM
00097000-0009f7ff : RAM buffer
0009f800-0009ffff : reserved
000a0000-000bffff : PCI Bus 0000:00
000c0000-000dffff : PCI Bus 0000:00
000c0000-000ce9ff : Video ROM
000f0000-000fffff : reserved
000f0000-000fffff : System ROM
00100000-d7ddffff : System RAM
01000000-01770f9d : Kernel code
01770f9e-01d1bf3f : Kernel data
01e78000-01fdcfff : Kernel bss
cc000000-cfffffff : GART
d7de0000-d7de2fff : ACPI Non-volatile Storage
d7de3000-d7deffff : ACPI Tables
d7df0000-d7dfffff : reserved
d7df0000-d7dfffff : pnp 00:08
d7e00000-d7efffff : RAM buffer
d7f00000-febfffff : PCI Bus 0000:00
d8000000-dfffffff : PCI Bus 0000:01
d8000000-dfffffff : 0000:01:05.0
d8000000-d82fffff : BOOTFB
e0000000-efffffff : PCI MMCONFIG 0000 [bus 00-ff]
e0000000-efffffff : reserved
e0000000-efffffff : pnp 00:07
fda00000-fdafffff : PCI Bus 0000:02
fda00000-fda0ffff : 0000:02:00.0
fdae0000-fdaeffff : 0000:02:00.0
fdae0000-fdaeffff : r8169
fdaff000-fdafffff : 0000:02:00.0
fdaff000-fdafffff : r8169
fdb00000-fdbfffff : PCI Bus 0000:03
fdc00000-fdcfffff : PCI Bus 0000:03
fdcff000-fdcff0ff : 0000:03:06.0
fdd00000-fddfffff : PCI Bus 0000:02
fde00000-fdffffff : PCI Bus 0000:01
fde00000-fdefffff : 0000:01:05.0
fdfe0000-fdfeffff : 0000:01:05.0
fdffc000-fdffffff : 0000:01:05.1
fdffc000-fdffffff : ICH HD audio
fe024000-fe027fff : 0000:00:14.2
fe024000-fe027fff : ICH HD audio
fe028000-fe028fff : 0000:00:14.5
fe028000-fe028fff : ohci_hcd
fe029000-fe0290ff : 0000:00:13.2
fe029000-fe0290ff : ehci_hcd
fe02a000-fe02afff : 0000:00:13.1
fe02a000-fe02afff : ohci_hcd
fe02b000-fe02bfff : 0000:00:13.0
fe02b000-fe02bfff : ohci_hcd
fe02c000-fe02c0ff : 0000:00:12.2
fe02c000-fe02c0ff : ehci_hcd
fe02d000-fe02dfff : 0000:00:12.1
fe02d000-fe02dfff : ohci_hcd
fe02e000-fe02efff : 0000:00:12.0
fe02e000-fe02efff : ohci_hcd
fe02f000-fe02f3ff : 0000:00:11.0
fe02f000-fe02f3ff : ahci
fec00000-ffffffff : reserved
fec00000-fec003ff : IOAPIC 0
fed00000-fed003ff : HPET 0
fee00000-fee00fff : Local APIC
fee00400-fee00fff : pnp 00:01
fff80000-fffeffff : pnp 00:08
ffff0000-ffffffff : pnp 00:08
100000000-227ffffff : System RAM
[7.5.] PCI information ('lspci -vvv' as root)
00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] RS780 Host Bridge
Subsystem: Advanced Micro Devices, Inc. [AMD] RS780 Host Bridge
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: 32
Region 3: Memory at <ignored> (64-bit, non-prefetchable)
Capabilities: [c4] HyperTransport: Slave or Primary Interface
Command: BaseUnitID=0 UnitCnt=12 MastHost- DefDir- DUL-
Link Control 0: CFlE- CST- CFE- <LkFail- Init+ EOC- TXO-
<CRCErr=0 IsocEn+ LSEn- ExtCTL- 64b-
Link Config 0: MLWI=16bit DwFcIn- MLWO=16bit DwFcOut- LWI=16bit
DwFcInEn- LWO=16bit DwFcOutEn-
Link Control 1: CFlE- CST- CFE- <LkFail+ Init- EOC+ TXO+
<CRCErr=0 IsocEn- LSEn- ExtCTL- 64b-
Link Config 1: MLWI=8bit DwFcIn- MLWO=8bit DwFcOut- LWI=8bit
DwFcInEn- LWO=8bit DwFcOutEn-
Revision ID: 3.00
Link Frequency 0: [b]
Link Error 0: <Prot- <Ovfl- <EOC- CTLTm-
Link Frequency Capability 0: 200MHz+ 300MHz- 400MHz+ 500MHz-
600MHz+ 800MHz+ 1.0GHz+ 1.2GHz- 1.4GHz- 1.6GHz- Vend-
Feature Capability: IsocFC- LDTSTOP+ CRCTM- ECTLT- 64bA- UIDRD-
Link Frequency 1: 200MHz
Link Error 1: <Prot- <Ovfl- <EOC- CTLTm-
Link Frequency Capability 1: 200MHz- 300MHz- 400MHz- 500MHz-
600MHz- 800MHz- 1.0GHz- 1.2GHz- 1.4GHz- 1.6GHz- Vend-
Error Handling: PFlE- OFlE- PFE- OFE- EOCFE- RFE- CRCFE-
SERRFE- CF- RE- PNFE- ONFE- EOCNFE- RNFE- CRCNFE- SERRNFE-
Prefetchable memory behind bridge Upper: 00-00
Bus Number: 00
Capabilities: [54] HyperTransport: UnitID Clumping
Capabilities: [40] HyperTransport: Retry Mode
Capabilities: [9c] HyperTransport: #1a
Capabilities: [f8] HyperTransport: #1c
00:01.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] RS780/RS880 PCI
to PCI bridge (int gfx) (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=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 99
Bus: primary=00, secondary=01, subordinate=01, sec-latency=68
I/O behind bridge: 0000e000-0000efff
Memory behind bridge: fde00000-fdffffff
Prefetchable memory behind bridge: 00000000d8000000-00000000dfffffff
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: [44] HyperTransport: MSI Mapping Enable+ Fixed+
Capabilities: [b0] Subsystem: Advanced Micro Devices, Inc. [AMD]
RS780/RS880 PCI to PCI bridge (int gfx)
00:0a.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] RS780/RS880 PCI
to PCI bridge (PCIE port 5) (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
I/O behind bridge: 0000d000-0000dfff
Memory behind bridge: fdd00000-fddfffff
Prefetchable memory behind bridge: 00000000fda00000-00000000fdafffff
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: [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) Root Port (Slot+), MSI 00
DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s
<64ns, L1 <1us
ExtTag+ RBE+ FLReset-
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 5GT/s, Width x1, ASPM L0s L1, Latency
L0 <64ns, L1 <1us
ClockPM- Surprise- LLActRep+ BwNot+
LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+
DLActive+ BWMgmt+ ABWMgmt-
SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug-
Surprise-
Slot #10, 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: Not Supported, TimeoutDis- ARIFwd-
DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- ARIFwd-
LnkCtl2: Target Link Speed: 5GT/s, EnterCompliance- SpeedDis-,
Selectable De-emphasis: -3.5dB
Transmit Margin: Normal Operating Range,
EnterModifiedCompliance- ComplianceSOS-
Compliance De-emphasis: -6dB
LnkSta2: Current De-emphasis Level: -3.5dB,
EqualizationComplete-, EqualizationPhase1-
EqualizationPhase2-, EqualizationPhase3-,
LinkEqualizationRequest-
Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit-
Address: fee3f00c Data: 4181
Capabilities: [b0] Subsystem: Advanced Micro Devices, Inc. [AMD]
Device 9600
Capabilities: [b8] HyperTransport: MSI Mapping Enable+ Fixed+
Capabilities: [100 v1] Vendor Specific Information: ID=0001 Rev=1
Len=010 <?>
Capabilities: [110 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-
Kernel driver in use: pcieport
00:11.0 SATA controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 SATA Controller [AHCI mode] (prog-if 01 [AHCI 1.0])
Subsystem: Gigabyte Technology Co., Ltd Device b002
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: 32, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 22
Region 0: I/O ports at ff00 [size=8]
Region 1: I/O ports at fe00 [size=4]
Region 2: I/O ports at fd00 [size=8]
Region 3: I/O ports at fc00 [size=4]
Region 4: I/O ports at fb00 [size=16]
Region 5: Memory at fe02f000 (32-bit, non-prefetchable) [size=1K]
Capabilities: [60] 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-
Capabilities: [70] SATA HBA v1.0 InCfgSpace
Kernel driver in use: ahci
00:12.0 USB controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 USB OHCI0 Controller (prog-if 10 [OHCI])
Subsystem: Gigabyte Technology Co., Ltd Device 5004
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: 32, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 16
Region 0: Memory at fe02e000 (32-bit, non-prefetchable) [size=4K]
Kernel driver in use: ohci-pci
00:12.1 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0 USB
OHCI1 Controller (prog-if 10 [OHCI])
Subsystem: Gigabyte Technology Co., Ltd Device 5004
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: 32, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 16
Region 0: Memory at fe02d000 (32-bit, non-prefetchable) [size=4K]
Kernel driver in use: ohci-pci
00:12.2 USB controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 USB EHCI Controller (prog-if 20 [EHCI])
Subsystem: Gigabyte Technology Co., Ltd Device 5004
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: 32, Cache Line Size: 64 bytes
Interrupt: pin B routed to IRQ 17
Region 0: Memory at fe02c000 (32-bit, non-prefetchable) [size=256]
Capabilities: [c0] 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-
Bridge: PM- B3+
Capabilities: [e4] Debug port: BAR=1 offset=00e0
Kernel driver in use: ehci-pci
00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 USB OHCI0 Controller (prog-if 10 [OHCI])
Subsystem: Gigabyte Technology Co., Ltd Device 5004
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: 32, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 18
Region 0: Memory at fe02b000 (32-bit, non-prefetchable) [size=4K]
Kernel driver in use: ohci-pci
00:13.1 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0 USB
OHCI1 Controller (prog-if 10 [OHCI])
Subsystem: Gigabyte Technology Co., Ltd Device 5004
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: 32, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 18
Region 0: Memory at fe02a000 (32-bit, non-prefetchable) [size=4K]
Kernel driver in use: ohci-pci
00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 USB EHCI Controller (prog-if 20 [EHCI])
Subsystem: Gigabyte Technology Co., Ltd Device 5004
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: 32, Cache Line Size: 64 bytes
Interrupt: pin B routed to IRQ 19
Region 0: Memory at fe029000 (32-bit, non-prefetchable) [size=256]
Capabilities: [c0] 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-
Bridge: PM- B3+
Capabilities: [e4] Debug port: BAR=1 offset=00e0
Kernel driver in use: ehci-pci
00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 SMBus
Controller (rev 3a)
Subsystem: Gigabyte Technology Co., Ltd GA-MA770-DS3rev2.0 Motherboard
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-
Capabilities: [b0] HyperTransport: MSI Mapping Enable- Fixed+
00:14.1 IDE interface: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 IDE Controller (prog-if 8a [Master SecP PriP])
Subsystem: Gigabyte Technology Co., Ltd Device 5002
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: 32, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 16
Region 0: I/O ports at 01f0 [size=8]
Region 1: I/O ports at 03f4 [size=1]
Region 2: I/O ports at 0170 [size=8]
Region 3: I/O ports at 0374 [size=1]
Region 4: I/O ports at fa00 [size=16]
Capabilities: [70] MSI: Enable- Count=1/1 Maskable- 64bit-
Address: 00000000 Data: 0000
Kernel driver in use: pata_atiixp
00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] SBx00
Azalia (Intel HDA)
Subsystem: Gigabyte Technology Co., Ltd Device a102
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 32, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 16
Region 0: Memory at fe024000 (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-
Kernel driver in use: snd_hda_intel
00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 LPC host controller
Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0
LPC host controller
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
00:14.4 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 PCI to
PCI Bridge (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=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 64
Bus: primary=00, secondary=03, subordinate=03, sec-latency=64
I/O behind bridge: 0000c000-0000cfff
Memory behind bridge: fdc00000-fdcfffff
Prefetchable memory behind bridge: fdb00000-fdbfffff
Secondary status: 66MHz- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort+ <SERR- <PERR-
BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
00:14.5 USB controller: Advanced Micro Devices, Inc. [AMD/ATI]
SB7x0/SB8x0/SB9x0 USB OHCI2 Controller (prog-if 10 [OHCI])
Subsystem: Gigabyte Technology Co., Ltd Device 5004
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: 32, Cache Line Size: 64 bytes
Interrupt: pin C routed to IRQ 18
Region 0: Memory at fe028000 (32-bit, non-prefetchable) [size=4K]
Kernel driver in use: ohci-pci
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h
Processor HyperTransport Configuration
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: [80] HyperTransport: Host or Secondary Interface
Command: WarmRst+ DblEnd- DevNum=0 ChainSide- HostHide+ Slave-
<EOCErr- DUL-
Link Control: CFlE- CST- CFE- <LkFail- Init+ EOC- TXO-
<CRCErr=0 IsocEn+ LSEn+ ExtCTL- 64b-
Link Config: MLWI=16bit DwFcIn- MLWO=16bit DwFcOut- LWI=16bit
DwFcInEn- LWO=16bit DwFcOutEn-
Revision ID: 3.00
Link Frequency: [b]
Link Error: <Prot- <Ovfl- <EOC- CTLTm-
Link Frequency Capability: 200MHz+ 300MHz- 400MHz+ 500MHz-
600MHz+ 800MHz+ 1.0GHz+ 1.2GHz+ 1.4GHz- 1.6GHz- Vend-
Feature Capability: IsocFC+ LDTSTOP+ CRCTM- ECTLT- 64bA+ UIDRD-
ExtRS- UCnfE-
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h
Processor Address Map
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-
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h
Processor DRAM Controller
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-
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h
Processor Miscellaneous Control
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: [f0] Secure device <?>
Kernel driver in use: k10temp
00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 10h
Processor Link Control
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-
01:05.0 VGA compatible controller: Advanced Micro Devices, Inc.
[AMD/ATI] RS780 [Radeon HD 3200] (prog-if 00 [VGA controller])
Subsystem: Gigabyte Technology Co., Ltd GA-MA78GM-S2H Motherboard
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 18
Region 0: Memory at d8000000 (32-bit, prefetchable) [size=128M]
Region 1: I/O ports at ee00 [size=256]
Region 2: Memory at fdfe0000 (32-bit, non-prefetchable) [size=64K]
Region 5: Memory at fde00000 (32-bit, non-prefetchable) [size=1M]
Expansion ROM at <unassigned> [disabled]
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: [a0] MSI: Enable- Count=1/1 Maskable- 64bit+
Address: 0000000000000000 Data: 0000
Kernel driver in use: radeon
01:05.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] RS780 HDMI
Audio [Radeon (HD) 3000 Series]
Subsystem: Gigabyte Technology Co., Ltd Device 960f
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 B routed to IRQ 19
Region 0: Memory at fdffc000 (32-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: [a0] MSI: Enable- Count=1/1 Maskable- 64bit+
Address: 0000000000000000 Data: 0000
Kernel driver in use: snd_hda_intel
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 02)
Subsystem: Gigabyte Technology Co., Ltd Motherboard
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 41
Region 0: I/O ports at de00 [size=256]
Region 2: Memory at fdaff000 (64-bit, prefetchable) [size=4K]
Region 4: Memory at fdae0000 (64-bit, prefetchable) [size=64K]
[virtual] Expansion ROM at fda00000 [disabled] [size=64K]
Capabilities: [40] Power Management version 3
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA
PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+
Address: 00000000fee3f00c Data: 41a1
Capabilities: [70] Express (v1) Endpoint, MSI 01
DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s
<512ns, L1 <8us
ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop-
MaxPayload 128 bytes, MaxReadReq 4096 bytes
DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr+
TransPend-
LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1,
Latency L0 <512ns, L1 <64us
ClockPM+ Surprise- LLActRep- BwNot-
LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+
DLActive- BWMgmt- ABWMgmt-
Capabilities: [b0] MSI-X: Enable- Count=2 Masked-
Vector table: BAR=4 offset=00000000
PBA: BAR=4 offset=00000800
Capabilities: [d0] Vital Product Data
Unknown small resource type 00, will not decode more.
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: [140 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 12-34-56-78-12-34-56-78
Kernel driver in use: r8169
03:06.0 Communication controller: LSI Corporation Venus Modem (V90, 56KFlex)
Subsystem: LSI Corporation Device 5656
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 (63000ns min, 3500ns max)
Interrupt: pin A routed to IRQ 20
Region 0: Memory at fdcff000 (32-bit, non-prefetchable) [size=256]
Region 1: I/O ports at ca00 [size=256]
Region 2: I/O ports at cc00 [size=256]
Region 3: I/O ports at cf00 [size=8]
Capabilities: [f8] 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: serial
[7.6.] SCSI information (from /proc/scsi/scsi)
Attached devices:
Host: scsi2 Channel: 00 Id: 00 Lun: 00
Vendor: ATA Model: M4-CT256M4SSD2 Rev: 070H
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi3 Channel: 00 Id: 00 Lun: 00
Vendor: ATA Model: WDC WD5000AAKS-0 Rev: 01.0
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi4 Channel: 00 Id: 00 Lun: 00
Vendor: ATA Model: WDC WD5000AAKS-0 Rev: 12.0
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi5 Channel: 00 Id: 00 Lun: 00
Vendor: ATA Model: ST3500418AS Rev: CC46
Type: Direct-Access ANSI SCSI revision: 05
[Other notes]
Workaround: disable HPET in BIOS.
Problem found between Ubuntu kernel 3.8.0-23.34 and Ubuntu kernel
3.8.0-26.38 (corresponding to mainline 3.8.11 and 3.8.13)
I ran git bisect and found the offending commit to be
6d22382d7148a132fb7b4c461cb2940df4f0c77e
Author: Derek Basehore <dbasehore@chromium.org>
Date: Mon Apr 29 16:20:23 2013 -0700
drivers/rtc/rtc-cmos.c: don't disable hpet emulation on suspend
BugLink: http://bugs.launchpad.net/bugs/1178361
<http://bugs.launchpad.net/bugs/1178361>
commit e005715efaf674660ae59af83b13822567e3a758 upstream.
There's a bug where rtc alarms are ignored after the rtc cmos suspends
but before the system finishes suspend. Since hpet emulation is
disabled and it still handles the interrupts, a wake event is never
registered which is done from the rtc layer.
This patch reverts commit d1b2efa83fbf ("rtc: disable hpet emulation on
suspend") which disabled hpet emulation. To fix the problem mentioned
in that commit, hpet_rtc_timer_init() is called directly on resume.
Signed-off-by: Derek Basehore <dbasehore@chromium.org>
Cc: Maxim Levitsky <maximlevitsky@gmail.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Steve Conklin <sconklin@canonical.com>
:040000 040000 3e84b9874d08e64109a8e7155b0b0734fbf250e3
08ae4a77586575391919e292a9730d649d5251ac M drivers
Problem tested and found on another Gigabyte motherboard (GA-G31MF-S2,
Intel G31 chipset, Intel Core2Duo processor).
First reported at
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1197871
Best regards.
prev parent reply other threads:[~2014-01-02 18:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <52C5AD26.9010603@gmail.com>
2014-01-02 18:20 ` Fwd: [Gigabyte GA-MA78GPM-DS2H] ACPI wakeup fails if HPET enabled in BIOS Diego Rodriguez Gonzalez
2014-01-02 18:49 ` Diego Rodriguez Gonzalez [this message]
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