Martin Mokrejs wrote: > Martin Mokrejs wrote: >> Hi, >> I booted same kernel under same BIOS settings with the only difference that >> in the latter case I added 'nousb'. While inspecting the diffs in dmesg outputs >> I see that something is happening with my network card and >> >> +r8169 0000:05:00.0: PME# disabled >> +r8169 0000:05:00.0: PME# enabled >> +r8169 0000:05:00.0: PME# disabled >> >> but also with SandyBridge PCI Express Root Port 5 >> >> +pcieport 0000:00:1c.4: PME# enabled >> +pcieport 0000:00:1c.4: PME# disabled >> +pcieport 0000:00:1c.4: PME# enabled >> +pcieport 0000:00:1c.4: PME# disabled >> +pcieport 0000:00:1c.4: PME# enabled >> +pcieport 0000:00:1c.4: PME# disabled >> +pcieport 0000:00:1c.4: PME# enabled >> +pcieport 0000:00:1c.4: PME# disabled >> +pcieport 0000:00:1c.4: PME# enabled >> +pcieport 0000:00:1c.4: PME# disabled >> +pcieport 0000:00:1c.4: PME# enabled >> +pcieport 0000:00:1c.4: PME# disabled >> >> The pcieport messages are repeating every second, until forever, funny. This is probably related >> to the 'pcie_aspm=off' on kernel commandline, but so far it was necessary to get acpiphp working >> on kernels above 3.5. >> >> >> Could that be related some udev or other userspace tool misbehaving when >> there is no USB available? Or is that a purely kernel driver issue? >> >> >> >> 00:1c.4 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 5 (rev b5) (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=0b, subordinate=0c, sec-latency=0 >> I/O behind bridge: 0000f000-00000fff >> Memory behind bridge: f7d00000-f7dfffff >> 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, 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 #5, Speed 5GT/s, Width x1, ASPM L0s L1, Latency L0 <512ns, L1 <16us >> ClockPM- Surprise- LLActRep+ BwNot- >> LnkCtl: ASPM L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk+ >> ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- >> LnkSta: Speed 5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive+ BWMgmt+ ABWMgmt+ >> SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug- Surprise- >> Slot #4, PowerLimit 10.000W; 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: 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 04b3 >> Capabilities: [a0] Power Management version 2 >> Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) >> Status: D3 NoSoftRst- PME-Enable+ DSel=0 DScale=0 PME- >> Kernel driver in use: pcieport >> 00: 86 80 18 1c 07 00 10 00 b5 00 04 06 10 00 81 00 >> 10: 00 00 00 00 00 00 00 00 00 0b 0c 00 f0 00 00 20 >> 20: d0 f7 d0 f7 f1 ff 01 00 00 00 00 00 00 00 00 00 >> 30: 00 00 00 00 40 00 00 00 00 00 00 00 0b 01 10 00 >> 40: 10 80 42 01 00 80 00 00 00 00 10 00 12 3c 12 05 >> 50: 42 00 12 f0 00 b2 24 00 00 00 40 01 00 00 00 00 >> 60: 00 00 00 00 16 00 00 00 00 00 00 00 00 00 00 00 >> 70: 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 90: 0d a0 00 00 28 10 b3 04 00 00 00 00 00 00 00 00 >> a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 >> b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> d0: 00 00 00 01 02 0b 00 00 00 80 11 81 00 00 00 00 >> e0: 00 3f 00 00 00 00 00 00 01 00 00 00 00 00 00 00 >> f0: 00 00 00 00 00 00 00 00 87 0f 05 08 00 00 00 00 >> >> >> Although per dmesg the PME# changes happened every second, I managed to catch the >> following difference by lspci only twice or three time sonly. But hope this is what >> the dmesg line is about. The funny thing is that this PME# game is ongoing whether >> the express slot is occupied by a card or not. Well, it is about the root port, so why >> not? ;-) >> Initially I cold-booted with a card inserted into the slot but some driver did not >> realize the card is ejected. But per lspci I can confirm the device 11.00.0 was >> recognized as removed from the slot. But why is the 00.1c.4 being modified I do not >> know. >> >> Below is the PME# change bacjk and forth immediately. >> >> --- lspci_loop.23:45:01 2013-03-11 23:45:01.000000000 +0100 >> +++ lspci_loop.23:45:02 2013-03-11 23:45:02.000000000 +0100 >> @@ -410,7 +410,7 @@ >> Capabilities: [90] Subsystem: Dell Device 04b3 >> Capabilities: [a0] Power Management version 2 >> Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) >> - Status: D3 NoSoftRst- PME-Enable+ DSel=0 DScale=0 PME- >> + Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- >> Kernel driver in use: pcieport >> 00: 86 80 18 1c 07 00 10 00 b5 00 04 06 10 00 81 00 >> 10: 00 00 00 00 00 00 00 00 00 0b 0c 00 f0 00 00 20 >> @@ -422,7 +422,7 @@ >> 70: 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 90: 0d a0 00 00 28 10 b3 04 00 00 00 00 00 00 00 00 >> -a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 >> +a0: 01 00 02 c8 00 00 00 00 00 00 00 00 00 00 00 00 >> b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> d0: 00 00 00 01 02 0b 00 00 00 80 11 81 00 00 00 00 >> --- lspci_loop.23:45:02 2013-03-11 23:45:02.000000000 +0100 >> +++ lspci_loop.23:45:03 2013-03-11 23:45:03.000000000 +0100 >> @@ -410,7 +410,7 @@ >> Capabilities: [90] Subsystem: Dell Device 04b3 >> 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- >> + Status: D3 NoSoftRst- PME-Enable+ DSel=0 DScale=0 PME- >> Kernel driver in use: pcieport >> 00: 86 80 18 1c 07 00 10 00 b5 00 04 06 10 00 81 00 >> 10: 00 00 00 00 00 00 00 00 00 0b 0c 00 f0 00 00 20 >> @@ -422,7 +422,7 @@ >> 70: 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 90: 0d a0 00 00 28 10 b3 04 00 00 00 00 00 00 00 00 >> -a0: 01 00 02 c8 00 00 00 00 00 00 00 00 00 00 00 00 >> +a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 >> b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> d0: 00 00 00 01 02 0b 00 00 00 80 11 81 00 00 00 00 >> >> >> and more than a minute later another example >> >> >> # diff -u -w lspci_loop.23:46:44 lspci_loop.23:46:45 >> --- lspci_loop.23:46:44 2013-03-11 23:46:44.000000000 +0100 >> +++ lspci_loop.23:46:45 2013-03-11 23:46:45.000000000 +0100 >> @@ -410,7 +410,7 @@ >> Capabilities: [90] Subsystem: Dell Device 04b3 >> Capabilities: [a0] Power Management version 2 >> Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) >> - Status: D3 NoSoftRst- PME-Enable+ DSel=0 DScale=0 PME- >> + Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- >> Kernel driver in use: pcieport >> 00: 86 80 18 1c 07 00 10 00 b5 00 04 06 10 00 81 00 >> 10: 00 00 00 00 00 00 00 00 00 0b 0c 00 f0 00 00 20 >> @@ -422,7 +422,7 @@ >> 70: 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 90: 0d a0 00 00 28 10 b3 04 00 00 00 00 00 00 00 00 >> -a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 >> +a0: 01 00 02 c8 00 00 00 00 00 00 00 00 00 00 00 00 >> b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> d0: 00 00 00 01 02 0b 00 00 00 80 11 81 00 00 00 00 >> # diff -u -w lspci_loop.23:46:45 lspci_loop.23:46:46 >> --- lspci_loop.23:46:45 2013-03-11 23:46:45.000000000 +0100 >> +++ lspci_loop.23:46:46 2013-03-11 23:46:46.000000000 +0100 >> @@ -410,7 +410,7 @@ >> Capabilities: [90] Subsystem: Dell Device 04b3 >> 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- >> + Status: D3 NoSoftRst- PME-Enable+ DSel=0 DScale=0 PME- >> Kernel driver in use: pcieport >> 00: 86 80 18 1c 07 00 10 00 b5 00 04 06 10 00 81 00 >> 10: 00 00 00 00 00 00 00 00 00 0b 0c 00 f0 00 00 20 >> @@ -422,7 +422,7 @@ >> 70: 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 90: 0d a0 00 00 28 10 b3 04 00 00 00 00 00 00 00 00 >> -a0: 01 00 02 c8 00 00 00 00 00 00 00 00 00 00 00 00 >> +a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 >> b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> d0: 00 00 00 01 02 0b 00 00 00 80 11 81 00 00 00 00 > > The above do not happen on a system cold-booted with an empty express card slot. > >> >> >> The first pair of PME changes happened while the Firewire card was still cold-plugged in >> the slot. The latter happened when the card was inserted back into the slot >> but that has been only partially noticed by pcihp hotplug (read further below). Under >> this BIOS+'nousb' setup the *acpiphp* hotplug does not work with this particular Firewire >> OHCI card, or really badly. >> >> >> Lets abstract away from the above PME# stuff and see how the system behaved during >> eject of the cold-plugged card and what a partial detection happened on its later >> hotplug insert, eject, insert. I will show intereleaved in the text the slot status >> numbers as reported by lspci whenever they changed. The command is: >> >> while true; do echo -n "$(date +%T) SlotStatus "; setpci -s1c.7 0x5a.w; sleep 1; done >> >> >> 23:45:21 SlotStatus 0040 >> 23:45:22 SlotStatus 0040 >> 23:45:23 SlotStatus 0040 >> 23:45:25 SlotStatus 0040 >> 23:45:26 SlotStatus 0040 >> 23:45:27 SlotStatus 0040 >> 23:45:28 SlotStatus 0108 >> 23:45:29 SlotStatus 0100 >> 23:45:30 SlotStatus 0100 >> 23:45:31 SlotStatus 0100 >> 23:45:32 SlotStatus 0100 >> >> --- lspci_loop.23:45:27 2013-03-11 23:45:27.000000000 +0100 >> +++ lspci_loop.23:45:28 2013-03-11 23:45:28.000000000 +0100 >> @@ -437,7 +437,7 @@ >> I/O behind bridge: 0000c000-0000dfff >> Memory behind bridge: f6c00000-f7cfffff >> Prefetchable memory behind bridge: 00000000f0000000-00000000f10fffff >> - Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR- >> + 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 >> @@ -446,18 +446,18 @@ >> 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- >> + DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- >> LnkCap: Port #8, Speed 5GT/s, Width x1, ASPM L0s L1, Latency L0 <1us, L1 <16us >> 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- >> + LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt+ ABWMgmt- >> SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug+ Surprise+ >> Slot #7, PowerLimit 10.000W; 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- >> + 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- >> @@ -473,19 +473,19 @@ >> Capabilities: [90] Subsystem: Dell Device 04b3 >> 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- >> + Status: D3 NoSoftRst- PME-Enable+ DSel=0 DScale=0 PME- >> Kernel driver in use: pcieport >> 00: 86 80 1e 1c 07 00 10 00 b5 00 04 06 10 00 81 00 >> -10: 00 00 00 00 00 00 00 00 00 11 16 00 c0 d0 00 00 >> +10: 00 00 00 00 00 00 00 00 00 11 16 00 c0 d0 00 20 >> 20: c0 f6 c0 f7 01 f0 01 f1 00 00 00 00 00 00 00 00 >> 30: 00 00 00 00 40 00 00 00 00 00 00 00 0a 04 10 00 >> -40: 10 80 42 01 00 80 00 00 00 00 10 00 12 4c 12 08 >> -50: 00 00 11 70 60 b2 3c 00 00 00 40 00 00 00 00 00 >> +40: 10 80 42 01 00 80 00 00 00 00 11 00 12 4c 12 08 >> +50: 00 00 11 50 60 b2 3c 00 00 00 00 01 00 00 00 00 >> 60: 00 00 00 00 16 00 00 00 00 00 00 00 00 00 00 00 >> 70: 01 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 90: 0d a0 00 00 28 10 b3 04 00 00 00 00 00 00 00 00 >> -a0: 01 00 02 c8 00 00 00 00 00 00 00 00 00 00 00 00 >> +a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 >> b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> d0: 00 00 00 01 02 0b 00 00 02 80 11 c1 00 00 00 00 >> @@ -793,56 +793,3 @@ >> e0: 00 00 40 63 00 00 00 00 00 00 00 00 00 00 00 00 >> f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> >> -11:00.0 FireWire (IEEE 1394): VIA Technologies, Inc. VT6315 Series Firewire Controller (rev 01) (prog-if 10 [OHCI]) >> - Subsystem: VIA Technologies, Inc. VT6315 Series Firewire Controller >> - Physical Slot: 1 >> - 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 19 >> - Region 0: Memory at f6c00000 (64-bit, non-prefetchable) [size=2K] >> - Region 2: I/O ports at c000 [size=256] >> - 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: [80] MSI: Enable- Count=1/1 Maskable+ 64bit+ >> - Address: 0000000000000000 Data: 0000 >> - Masking: 00000000 Pending: 00000000 >> - Capabilities: [98] Express (v1) Endpoint, MSI 00 >> - DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns, L1 <1us >> - 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, Latency L0 <1us, 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: [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: 14, GenCap+ CGenEn- ChkCap+ ChkEn- >> - Capabilities: [130 v1] Device Serial Number 00-11-06-ff-ff-00-00-03 >> - Kernel driver in use: firewire_ohci >> -00: 06 11 03 34 07 00 10 00 01 10 00 0c 10 00 00 00 >> -10: 04 00 c0 f6 00 00 00 00 01 c0 00 00 00 00 00 00 >> -20: 00 00 00 00 00 00 00 00 00 00 00 00 06 11 03 34 >> -30: 00 00 00 00 50 00 00 00 00 00 00 00 0a 01 00 00 >> -40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> -50: 01 80 03 e4 00 00 00 00 00 00 00 00 00 00 00 00 >> -60: 00 00 00 00 02 00 00 00 00 00 00 00 00 00 00 00 >> -70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> -80: 05 98 80 01 00 00 00 00 00 00 00 00 00 00 00 00 >> -90: 00 00 00 00 00 00 00 00 10 00 01 00 00 80 90 05 >> -a0: 00 20 19 00 11 4c 07 00 00 01 11 00 00 00 00 00 >> -b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> -c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> -d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> -e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> -f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > > When I cold-boot the laptop with an empty express card slot and let acpiphp do the > hotplug work, I get same lspci values with one difference. The PME# values are flipping > in opposite direction (ASPM L1 Enabled -> ASPM L0s L1 Enabled on pure hotplug whereas > on the subsequent hotplugs on a cold-booted laptop with a card inserted the changes were > ASPM Disabled -> ASPM L0s L1 Enabled [the original email in this thread]): > > Below is the pure acpiphp hotplug behavior for reference with 'pcie_aspm=off' and 'nousb' > for which the PME# game does NOT happen: >> Finally, the PME# game again: >> --- lspci_loop.23:46:44 2013-03-11 23:46:44.000000000 +0100 >> +++ lspci_loop.23:46:45 2013-03-11 23:46:45.000000000 +0100 >> @@ -410,7 +410,7 @@ >> Capabilities: [90] Subsystem: Dell Device 04b3 >> Capabilities: [a0] Power Management version 2 >> Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) >> - Status: D3 NoSoftRst- PME-Enable+ DSel=0 DScale=0 PME- >> + Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- >> Kernel driver in use: pcieport >> 00: 86 80 18 1c 07 00 10 00 b5 00 04 06 10 00 81 00 >> 10: 00 00 00 00 00 00 00 00 00 0b 0c 00 f0 00 00 20 >> @@ -422,7 +422,7 @@ >> 70: 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 90: 0d a0 00 00 28 10 b3 04 00 00 00 00 00 00 00 00 >> -a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 >> +a0: 01 00 02 c8 00 00 00 00 00 00 00 00 00 00 00 00 >> b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> d0: 00 00 00 01 02 0b 00 00 00 80 11 81 00 00 00 00 >> --- lspci_loop.23:46:45 2013-03-11 23:46:45.000000000 +0100 >> +++ lspci_loop.23:46:46 2013-03-11 23:46:46.000000000 +0100 >> @@ -410,7 +410,7 @@ >> Capabilities: [90] Subsystem: Dell Device 04b3 >> 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- >> + Status: D3 NoSoftRst- PME-Enable+ DSel=0 DScale=0 PME- >> Kernel driver in use: pcieport >> 00: 86 80 18 1c 07 00 10 00 b5 00 04 06 10 00 81 00 >> 10: 00 00 00 00 00 00 00 00 00 0b 0c 00 f0 00 00 20 >> @@ -422,7 +422,7 @@ >> 70: 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> 90: 0d a0 00 00 28 10 b3 04 00 00 00 00 00 00 00 00 >> -a0: 01 00 02 c8 00 00 00 00 00 00 00 00 00 00 00 00 >> +a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 >> b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >> d0: 00 00 00 01 02 0b 00 00 00 80 11 81 00 00 00 00 > > The above do not happen on a system cold-booted with an empty express card slot. > >> >> >> >> Further details can be found by comparing these two directories: >> >> Firewire_coldplug_disabled_Media_card_reader/ >> Firewire_coldplug_disabled_Media_card_reader_nousb/ >> >> Fetch them from http://195.113.57.32/~mmokrejs/tmp/3.7.10_acpiphp_pcie_aspm_off_full.tar.bz2 >> (1.2MB but covers in additional sub-directories also other cards tested) > > The purely acpiphp hotplug data are in Firewire_hotplug_disabled_Media_card_reader_nousb/ > subdirectory. Diffing dmesg under Firewire_coldplug_disabled_Media_card_reader_nousb/ > and under Firewire_hotplug_disabled_Media_card_reader_nousb/ is left as an exercise for the > reader willing to resolve the > > - ASPM L1 Enabled -> ASPM L0s L1 Enabled > + ASPM Disabled -> ASPM L0s L1 Enabled > > underlying issue. OK, here we go (lines starting with minus are those when card was inserted during cold bootup): --- /tmp/dmesg_Firewire_coldplug_disabled_Media_card_reader_nousb.txt 2013-03-12 11:46:16.000000000 +0100 +++ /tmp/dmesg_Firewire_hotplug_disabled_Media_card_reader_nousb.txt 2013-03-12 14:13:55.000000000 +0100 @@ -369,12 +369,6 @@ pci_bus 0000:0b: bus scan returning with max=0b pci 0000:00:1c.7: scanning [bus 11-16] behind bridge, pass 0 pci_bus 0000:11: scanning bus -pci 0000:11:00.0: [1106:3403] type 00 class 0x0c0010 -pci 0000:11:00.0: reg 10: [mem 0xf6c00000-0xf6c007ff 64bit] -pci 0000:11:00.0: reg 18: [io 0xc000-0xc0ff] -pci 0000:11:00.0: supports D2 -pci 0000:11:00.0: PME# supported from D2 D3hot D3cold -pci 0000:11:00.0: PME# disabled pci_bus 0000:11: fixups for bus pci 0000:00:1c.7: PCI bridge to [bus 11-16] pci 0000:00:1c.7: bridge window [io 0xc000-0xdfff] @@ -436,8 +430,6 @@ pci 0000:09:00.0: BAR 0: reserving [mem 0xf7e00000-0xf7e01fff flags 0x140204] (d=0, p=0) pci 0000:0b:00.0: BAR 0: reserving [mem 0xf7d00000-0xf7d0ffff flags 0x140204] (d=0, p=0) pci 0000:0b:00.0: BAR 2: reserving [mem 0xf7d10000-0xf7d11fff flags 0x140204] (d=0, p=0) -pci 0000:11:00.0: BAR 0: reserving [mem 0xf6c00000-0xf6c007ff flags 0x140204] (d=0, p=0) -pci 0000:11:00.0: BAR 2: reserving [io 0xc000-0xc0ff flags 0x40101] (d=0, p=0) e820: reserve RAM buffer [mem 0x0009d400-0x0009ffff] e820: reserve RAM buffer [mem 0xda4e5000-0xdbffffff] e820: reserve RAM buffer [mem 0xda793000-0xdbffffff] @@ -819,17 +811,14 @@ VFS: Mounted root (ext3 filesystem) readonly on device 8:5. devtmpfs: mounted Freeing unused kernel memory: 688k freed -systemd-udevd[1887]: starting version 197 -firewire_ohci 0000:11:00.0: calling quirk_via_vlink+0x0/0xa5 -firewire_ohci 0000:11:00.0: added OHCI v1.10 device as card 0, 4 IR + 8 IT contexts, quirks 0x11 +systemd-udevd[1885]: starting version 197 Intel(R) Wireless WiFi driver for Linux, in-tree:d Copyright(c) 2003-2012 Intel Corporation iwlwifi 0000:09:00.0: pci_resource_len = 0x00002000 -iwlwifi 0000:09:00.0: pci_resource_base = ffffc90006aa8000 +iwlwifi 0000:09:00.0: pci_resource_base = ffffc90006adc000 iwlwifi 0000:09:00.0: HW Revision ID = 0x34 iwlwifi 0000:09:00.0: irq 43 for MSI/MSI-X iwlwifi 0000:09:00.0: loaded firmware version 18.168.6.1 -firewire_core 0000:11:00.0: created device fw0: GUID 0011066600000003, S400 iwldvm: Intel(R) Wireless WiFi Link AGN driver for Linux, in-tree:d iwldvm: Copyright(c) 2003-2012 Intel Corporation iwlwifi 0000:09:00.0: CONFIG_IWLWIFI_DEBUG enabled @@ -848,6 +837,7 @@ [drm] Initialized drm 1.1.0 20060810 r8169 0000:05:00.0: PME# enabled pcieport 0000:00:1c.0: PME# enabled +pcieport 0000:00:1c.7: PME# enabled r8169 0000:05:00.0 eth0: rtl_phyar_cond == 1 (loop: 20, delay: 25). r8169 0000:05:00.0 eth0: rtl_phyar_cond == 1 (loop: 20, delay: 25). r8169 0000:05:00.0 eth0: rtl_phyar_cond == 1 (loop: 20, delay: 25). @@ -865,7 +855,7 @@ Console: switching to colour frame buffer device 170x48 fb0: inteldrmfb frame buffer device drm: registered panic notifier -acpi device:34: registered as cooling_device2 +acpi device:33: registered as cooling_device2 ACPI: Video Device [GFX0] (multi-head: yes rom: no post: no) input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input12 [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0 @@ -880,652 +870,18 @@ microcode: CPU1 updated to revision 0x28, date = 2012-04-24 perf_event_intel: PEBS enabled due to microcode update r8169 0000:05:00.0 eth0: link down -r8169 0000:05:00.0: PME# enabled -r8169 0000:05:00.0: PME# disabled -r8169 0000:05:00.0 eth0: link down r8169 0000:05:00.0 eth0: link up -pcieport 0000:00:1c.4: PME# enabled -pcieport 0000:00:1c.4: PME# disabled -pcieport 0000:00:1c.4: PME# enabled -pcieport 0000:00:1c.4: PME# disabled -pcieport 0000:00:1c.4: PME# enabled -pcieport 0000:00:1c.4: PME# disabled [cut] Do not know why 00:1c.7 is involved here, but here it is recorded when cold-booted without the Firewire card in the express card slot: # less Firewire_hotplug_disabled_Media_card_reader_nousb/lspci_vvvxxx.txt [cut] 00:1c.7 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 8 (rev b5) (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=11, subordinate=16, sec-latency=0 I/O behind bridge: 0000c000-0000dfff Memory behind bridge: f6c00000-f7cfffff Prefetchable memory behind bridge: 00000000f0000000-00000000f10fffff 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, 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 #8, Speed 5GT/s, Width x1, ASPM L0s L1, Latency L0 <1us, L1 <16us ClockPM- Surprise- LLActRep+ BwNot- LnkCtl: ASPM L1 Enabled; RCB 64 bytes Disabled- Retrain- 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 #7, PowerLimit 10.000W; 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: -3.5dB, EqualizationComplete-, EqualizationPhase1- EqualizationPhase2-, EqualizationPhase3-, LinkEqualizationRequest- Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit- Address: 00000000 Data: 0000 Capabilities: [90] Subsystem: Dell Device 04b3 Capabilities: [a0] Power Management version 2 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) Status: D3 NoSoftRst- PME-Enable+ DSel=0 DScale=0 PME- Kernel driver in use: pcieport 00: 86 80 1e 1c 07 00 10 00 b5 00 04 06 10 00 81 00 10: 00 00 00 00 00 00 00 00 00 11 16 00 c0 d0 00 00 20: c0 f6 c0 f7 01 f0 01 f1 00 00 00 00 00 00 00 00 30: 00 00 00 00 40 00 00 00 00 00 00 00 0a 04 10 00 40: 10 80 42 01 00 80 00 00 00 00 10 00 12 4c 12 08 50: 02 00 01 10 60 b2 3c 00 00 00 00 00 00 00 00 00 60: 00 00 00 00 16 00 00 00 00 00 00 00 00 00 00 00 70: 01 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 80: 05 90 00 00 00 00 00 00 00 00 00 00 00 00 00 00 90: 0d a0 00 00 28 10 b3 04 00 00 00 00 00 00 00 00 a0: 01 00 02 c8 03 01 00 00 00 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d0: 00 00 00 01 02 0b 00 00 02 80 11 c1 00 00 00 00 e0: 00 03 00 00 00 00 00 00 01 00 00 00 00 00 00 00 f0: 00 00 00 00 00 00 00 00 87 0f 05 08 00 00 00 00 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
