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Date: Sat, 31 Jan 2009 02:37:05 +0100 From: "Rafael J. Wysocki" <rjw@...k.pl> To: Parag Warudkar <parag.lkml@...il.com> Cc: Linus Torvalds <torvalds@...ux-foundation.org>, Matt Carlson <mcarlson@...adcom.com>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, "David S. Miller" <davem@...emloft.net>, Andrew Morton <akpm@...ux-foundation.org>, Jesse Barnes <jbarnes@...tuousgeek.org> Subject: Re: 2.6.29-rc3: tg3 dead after resume 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@...k.pl> > > > > 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@...k.pl> > > --- > > 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@...ag-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@...ag-desktop:~$ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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