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SubjectRe: [REGRESSION] tg3 dead after s2ram
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Date
On Wed, 2007-08-01 at 10:01 +0200, Joachim Deguara wrote:

> Here are the lspci outputs for the tg3

You have 2 Broadcom devices in your system. 07:00.0 is a wireless
device, I think. 8:4.0 is the tg3 device.

It's clear that the tg3 device is still in D3 state after resume and
that explains why all register accesses fail. tg3_resume() should put
the device back in D0 state in a very straight forward way and I don't
see how that can fail. It worked for me when I tested it last night.
Can you add some printk() to tg3_resume() to see what's happening? Let
me know if you want me to send you some debug patches to do that.

Thanks.

Here's the before and after for 8:4.0:

>
> Before
>
> 08:04.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5788 Gigabit
> Ethernet (rev 03)
> Subsystem: Acer Incorporated [ALI] Unknown device 010e
> Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping-
> SERR- FastB2B-
> Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort-
> <MAbort- >SERR- <PERR-
> Latency: 0 (16000ns min)
> Interrupt: pin A routed to IRQ 22
> Region 0: Memory at d0300000 (32-bit, non-prefetchable) [size=64K]
> Expansion ROM at <ignored> [disabled]
> Capabilities: [48] Power Management version 2
> Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot+,D3cold+)
> Status: D0 PME-Enable- DSel=0 DScale=1 PME-
> Capabilities: [50] Vital Product Data
> Capabilities: [58] Message Signalled Interrupts: Mask- 64bit+ Queue=0/3
> Enable-
> Address: ffff6bfe7fffffb8 Data: fec7
> 00: e4 14 9c 16 06 00 b0 02 03 00 00 02 00 00 00 00
> 10: 00 00 30 d0 00 00 00 00 00 00 00 00 00 00 00 00
> 20: 00 00 00 00 00 00 00 00 07 00 00 00 25 10 0e 01
> 30: 00 00 ff ff 48 00 00 00 00 00 00 00 0a 01 40 00
> 40: 00 00 00 00 00 00 00 00 01 50 02 c0 00 20 00 00
> 50: 03 58 fc 00 6f bf be 7f 05 00 86 00 b8 ff ff 7f
> 60: fe 6b ff ff c7 fe 00 00 98 00 03 30 00 00 3f 76
> 70: f6 10 00 00 20 00 00 80 14 04 00 00 00 00 00 00
> 80: 85 6b d0 36 03 40 00 0c 34 00 13 04 82 90 09 04
> 90: 09 97 00 01 00 00 00 00 00 00 00 00 eb 01 00 00
> a0: 00 00 00 00 23 01 00 00 00 00 00 00 cb 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
>
> After
>
> 08:04.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5788 Gigabit
> Ethernet (rev 03)
> Subsystem: Acer Incorporated [ALI] Unknown device 010e
> Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping-
> SERR- FastB2B-
> Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort-
> <MAbort- >SERR- <PERR-
> Interrupt: pin A routed to IRQ 22
> Region 0: Memory at d0300000 (32-bit, non-prefetchable) [disabled] [size=64K]
> Expansion ROM at <ignored> [disabled]
> Capabilities: [48] Power Management version 2
> Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot+,D3cold+)
> Status: D0 PME-Enable+ DSel=0 DScale=1 PME-
> Capabilities: [50] Vital Product Data
> Capabilities: [58] Message Signalled Interrupts: Mask- 64bit+ Queue=0/3
> Enable-
> Address: ffff6bfe7fffffb8 Data: fec7
> 00: e4 14 9c 16 00 00 b0 02 03 00 00 02 00 00 00 00
> 10: 00 00 30 d0 00 00 00 00 00 00 00 00 00 00 00 00
> 20: 00 00 00 00 00 00 00 00 07 00 00 00 25 10 0e 01
> 30: 00 00 ff ff 48 00 00 00 00 00 00 00 0a 01 40 00
> 40: 00 00 00 00 00 00 00 00 01 50 02 c0 00 21 00 64
> 50: 03 58 fc 00 6f bf be 7f 05 00 86 00 b8 ff ff 7f
> 60: fe 6b ff ff c7 fe 00 00 9a 00 03 30 00 00 00 00
> 70: 76 10 00 00 40 00 00 00 50 00 00 00 00 00 00 00
> 80: 03 58 fc 00 00 00 00 00 00 00 00 00 fe 90 09 04
> 90: 01 07 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
> 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
>


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