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Date: Fri, 30 Jan 2009 20:21:28 -0500 (EST)
From: Parag Warudkar <parag.lkml@...il.com>
To: "Rafael J. Wysocki" <rjw@...k.pl>
cc: Parag Warudkar <parag.lkml@...il.com>,
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>
Subject: Re: 2.6.29-rc3: tg3 dead after resume
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!
Are the below differences worth worrying about - especially since post
suspend some DevID/VendorID and some capabilities seem to be changed?
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:~$
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