Re: 2.6.29-rc3: tg3 dead after resume

From: Rafael J. Wysocki
Date: Fri Jan 30 2009 - 20:38:12 EST

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On Saturday 31 January 2009, Parag Warudkar wrote:
>
> On Sat, 31 Jan 2009, Rafael J. Wysocki wrote:
>
> > This gets more and more interesting.
> >
> > Can you test the patch below, please?
> >
> > Rafael
> >
> > ---
> > Subject: PCI PCIe portdrv: Implement pm object
> > From: Rafael J. Wysocki <rjw@xxxxxxx>
> >
> > Implement pm object for the PCI Express port driver in order to use
> > the new power management framework.
> >
> > Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx>
> > ---
>
> Excellent! This patch works - tg3 comes back and gets link after resume.
>
> Thank you!

Great, thanks for testing.

It's in the Jesse's linux-next branch, so it should be easy to push
upstream, perhaps with a better changelog.

> Are the below differences worth worrying about - especially since post
> suspend some DevID/VendorID and some capabilities seem to be changed?

I can't tell you right now, I'm too tired. :-)

Anyway, they seem to be worth investigating.

Can you attach one of the files? That will make it easier to look at the
differences.

Thanks,
Rafael

> parag@parag-desktop:~$ diff -u lspci-pre-suspend lspci-post-fix
> --- lspci-pre-suspend 2009-01-30 18:19:50.752275695 -0500
> +++ lspci-post-fix 2009-01-30 20:14:22.605607870 -0500
> @@ -286,9 +286,9 @@
> 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 20: 00 00 00 00 00 00 00 00 00 00 00 00 86 80 86 80
> 30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> -40: 00 00 00 00 00 00 0d 00 00 00 00 00 00 00 00 00
> +40: 00 00 00 00 00 00 0f 00 00 00 00 00 00 00 00 00
> 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> -60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> +60: 00 00 00 00 00 00 00 00 00 01 00 00 00 00 00 00
> 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> @@ -353,7 +353,7 @@
> 40: 00 00 00 80 14 14 b0 b0 ff 01 00 30 ff 01 00 30
> 50: 00 00 00 07 00 00 00 00 ff 3f ff 3f 00 40 00 40
> 60: 00 40 00 40 01 80 01 80 00 00 00 00 00 00 00 00
> -70: 00 00 00 00 6b e0 6b e0 00 00 0b a9 00 00 0b a9
> +70: 00 00 00 00 00 c0 00 c0 01 1b 4c b8 01 1b 4c b8
> 80: 24 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 90: 01 01 08 00 01 01 08 00 01 01 08 00 01 01 08 00
> a0: 01 01 08 00 00 00 00 00 00 00 00 00 00 00 00 00
> @@ -395,7 +395,7 @@
> 40: 00 00 00 80 14 14 b0 b0 ff 01 00 30 ff 01 00 30
> 50: 00 00 00 07 00 00 00 00 ff 3f ff 3f 00 40 00 40
> 60: 00 40 00 40 01 80 01 80 00 00 00 00 00 00 00 00
> -70: 00 00 00 00 69 e0 69 e0 00 00 0b a9 00 00 0b a9
> +70: 00 00 00 00 00 40 00 40 01 1b 4c b8 01 1b 4c b8
> 80: 65 06 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 90: 01 01 20 00 01 01 20 00 01 01 20 00 01 01 20 00
> a0: 01 01 20 00 00 00 00 00 00 00 00 00 00 00 00 00
> @@ -645,8 +645,8 @@
> 30: 00 00 00 00 50 00 00 00 00 00 00 00 03 01 00 00
> 40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 50: 01 58 c2 c9 00 00 00 00 0a 00 a0 20 00 00 00 00
> -60: 20 20 ff 01 00 00 00 00 01 00 00 00 00 00 08 80
> -70: 00 00 df 3f 00 00 00 00 00 00 00 00 00 00 00 00
> +60: 20 20 ff 01 00 00 00 00 01 00 00 00 00 00 08 c0
> +70: 00 00 dd 3f 00 00 00 00 00 00 00 00 00 00 00 00
> 80: 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00
> 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> @@ -698,7 +698,7 @@
> 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 80: 10 00 09 14 01 04 00 00 81 04 00 00 00 00 00 00
> 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> -a0: 10 06 00 00 01 00 00 00 00 00 00 00 00 13 00 00
> +a0: 10 06 00 00 00 00 00 00 00 00 00 00 00 13 00 00
> b0: 00 00 00 00 00 00 00 00 00 10 00 04 00 00 00 00
> c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> d0: 33 22 11 00 67 45 00 00 c0 c0 00 00 02 00 00 00
> @@ -754,7 +754,7 @@
> Capabilities: [50] Vital Product Data <?>
> Capabilities: [58] Vendor Specific Information <?>
> Capabilities: [e8] Message Signalled Interrupts: Mask- 64bit+
> Queue=0/0 Enable+
> - Address: 00000000fee0f00c Data: 41c1
> + Address: 00000000fee0f00c Data: 41c9
> Capabilities: [d0] Express (v1) Endpoint, MSI 00
> DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s
> <4us, L1 unlimited
> ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
> @@ -778,24 +778,24 @@
> 20: 00 00 00 00 00 00 00 00 00 00 00 00 3c 10 07 13
> 30: 00 00 04 20 48 00 00 00 00 00 00 00 03 01 00 00
> 40: 00 00 00 00 00 00 00 00 01 50 03 c0 08 20 00 64
> -50: 03 58 fc 00 00 00 00 78 09 e8 78 00 95 ef 08 88
> +50: 03 58 fc 00 00 00 00 78 09 e8 78 00 9a f7 08 58
> 60: 00 00 00 00 00 00 00 00 98 02 02 a0 00 00 18 76
> 70: f2 10 00 00 c0 00 00 00 20 70 00 00 00 00 00 00
> 80: 00 00 00 00 00 00 00 00 34 00 13 04 82 70 08 fc
> -90: 19 be 00 01 00 00 00 00 00 00 00 00 94 01 00 00
> -a0: 00 00 00 00 cc 00 00 00 00 00 00 00 29 01 00 00
> -b0: 00 00 00 00 00 00 00 8e 00 00 00 00 00 00 00 00
> +90: 19 be 00 01 00 00 00 44 00 00 00 00 e7 00 00 00
> +a0: 00 00 00 00 1f 00 00 00 00 00 00 00 24 00 00 00
> +b0: 00 00 00 00 00 00 00 44 00 00 00 00 00 00 00 00
> c0: 00 00 00 00 00 00 00 00 0e 00 00 00 00 00 00 00
> d0: 10 00 01 00 a0 8f 00 00 00 50 10 00 11 64 03 00
> e0: 40 00 11 10 00 00 00 00 05 d0 81 00 0c f0 e0 fe
> -f0: 00 00 00 00 c1 41 00 00 00 00 00 00 00 00 00 00
> +f0: 00 00 00 00 c9 41 00 00 00 00 00 00 00 00 00 00
>
> 10:00.0 PCI bridge: Intel Corporation 6311ESB/6321ESB PCI Express
> Upstream Port (rev 01)
> 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=10, secondary=1e, subordinate=40, sec-latency=0
> - 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: [44] Express (v1) Upstream Port, MSI 00
> @@ -818,7 +818,7 @@
> Kernel driver in use: pcieport-driver
> Kernel modules: shpchp
> 00: 86 80 00 35 07 01 10 00 01 00 04 06 10 00 81 00
> -10: 00 00 00 00 00 00 00 00 10 1e 40 00 f0 00 00 20
> +10: 00 00 00 00 00 00 00 00 10 1e 40 00 f0 00 00 00
> 20: f0 ff 00 00 f1 ff 01 00 00 00 00 00 00 00 00 00
> 30: 00 00 00 00 44 00 00 00 00 00 00 00 ff 01 06 00
> 40: 00 28 02 10 10 70 51 00 01 00 00 00 0f 50 0a 00
> @@ -839,7 +839,7 @@
> Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
> <TAbort- <MAbort- >SERR- <PERR- INTx-
> Latency: 0, Cache Line Size: 64 bytes
> Bus: primary=10, secondary=11, subordinate=1d, sec-latency=32
> - Secondary status: 66MHz+ FastB2B+ ParErr- DEVSEL=medium >TAbort-
> <TAbort- <MAbort+ <SERR- <PERR-
> + 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] Express (v1) PCI/PCI-X Bridge, MSI 00
> @@ -848,7 +848,7 @@
> DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
> Unsupported-
> RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
> BrConfRtry-
> MaxPayload 128 bytes, MaxReadReq 512 bytes
> - DevSta: CorrErr- UncorrErr+ FatalErr- UnsuppReq+ AuxPwr-
> TransPend-
> + DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr-
> TransPend-
> LnkCap: Port #0, Speed 2.5GT/s, Width x8, ASPM L0s,
> Latency L0 unlimited, L1 unlimited
> ClockPM- Suprise- LLActRep- BwNot-
> LnkCtl: ASPM Disabled; Disabled- Retrain- CommClk-
> @@ -857,7 +857,7 @@
> Capabilities: [6c] Power Management version 2
> Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
> PME(D0+,D1-,D2-,D3hot+,D3cold+)
> Status: D0 PME-Enable- DSel=0 DScale=0 PME-
> - Capabilities: [80] Subsystem: Hewlett-Packard Company Device 1307
> + Capabilities: [80] Subsystem: Gammagraphx, Inc. Device 0000
> Capabilities: [d8] PCI-X bridge device
> Secondary Status: 64bit+ 133MHz+ SCD- USC- SCO- SRD-
> Freq=133MHz
> Status: Dev=00:00.3 64bit- 133MHz- SCD- USC- SCO- SRD-
> @@ -866,14 +866,14 @@
> Capabilities: [100] Advanced Error Reporting <?>
> Kernel modules: shpchp
> 00: 86 80 0c 35 07 01 10 00 01 00 04 06 10 00 81 00
> -10: 00 00 00 00 00 00 00 00 10 11 1d 20 f0 00 a0 22
> +10: 00 00 00 00 00 00 00 00 10 11 1d 20 f0 00 a0 02
> 20: f0 ff 00 00 f1 ff 01 00 00 00 00 00 00 00 00 00
> 30: 00 00 00 00 44 00 00 00 00 00 00 00 00 00 06 00
> -40: 80 6e 00 ff 10 6c 71 00 01 00 00 00 00 20 0a 00
> +40: 80 6e 00 ff 10 6c 71 00 01 00 00 00 00 20 00 00
> 50: 81 f4 03 00 00 00 41 00 00 00 00 00 05 6c 80 00
> 60: 00 00 00 00 00 00 00 00 00 00 00 00 01 80 02 c8
> 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> -80: 0d d8 00 00 3c 10 07 13 00 00 00 00 00 00 00 00
> +80: 0d d8 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> a0: 00 00 00 00 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
> @@ -916,7 +916,7 @@
> 20: f0 ff 00 00 f1 ff 01 00 00 00 00 00 00 00 00 00
> 30: 00 00 00 00 44 00 00 00 00 00 00 00 00 01 06 00
> 40: 00 00 c0 00 10 60 61 00 01 00 00 00 0f 50 00 00
> -50: 41 f4 03 00 20 00 01 10 80 0c 00 00 c0 03 48 00
> +50: 41 f4 03 00 20 00 01 10 80 0c 00 00 c0 03 58 00
> 60: 05 70 81 00 0c f0 e0 fe 00 00 00 00 91 41 00 00
> 70: 01 80 02 c8 00 00 00 00 00 00 00 00 00 00 00 00
> 80: 0d 00 00 00 3c 10 07 13 00 00 00 00 00 00 00 00
> @@ -962,7 +962,7 @@
> 20: f0 ff 00 00 f1 ff 01 00 00 00 00 00 00 00 00 00
> 30: 00 00 00 00 44 00 00 00 00 00 00 00 00 01 06 00
> 40: 00 00 c0 00 10 60 61 00 01 00 00 00 0f 50 00 00
> -50: 41 f4 03 00 20 00 01 10 80 0c 00 00 c0 03 48 00
> +50: 41 f4 03 00 20 00 01 10 80 0c 00 00 c0 03 58 00
> 60: 05 70 81 00 0c f0 e0 fe 00 00 00 00 99 41 00 00
> 70: 01 80 02 c8 00 00 00 00 00 00 00 00 00 00 00 00
> 80: 0d 00 00 00 3c 10 07 13 00 00 00 00 00 00 00 00
> parag@parag-desktop:~$
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Next message: Linus Torvalds: "Re: 2.6.29-rc3: tg3 dead after resume"
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