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Date: Sat, 28 Mar 2009 07:05:54 +0100
From: Jesper Krogh <jesper@...gh.cc>
To: Matheos Worku <Matheos.Worku@....COM>
CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: niu driver - Transmit timed out - 2.6.29
Matheos Worku wrote:
>> This is probably the interesting part:
>> Mar 26 13:25:49 hest kernel: [25335.587191] niu 0000:84:00.0: niu:
>> eth4: bits (40000000) of register RXDMA_CFIG1 would not clear,
>> val[c0000000]
> Jesper,
>
> One of the RX ring DMAs is failing to reset. I guess whatever is
> hanging the TX side is affecting the RX side as well. Can you do lspci
> on the function and its siblings?
Like this(please guide me if that wasn't the correct lspci output):
k# lspci -vvv -s 84:00
84:00.0 Ethernet controller: Sun Microsystems Computer Corp.
Multithreaded 10 Gigabit Ethernet Network Controller (rev 01)
Subsystem: Sun Microsystems Computer Corp. Unknown device 0000
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 43
Region 0: Memory at fd000000 (64-bit, non-prefetchable) [size=16M]
Region 2: Memory at fe9f8000 (64-bit, non-prefetchable) [size=32K]
Region 4: Memory at fe9f0000 (64-bit, non-prefetchable) [size=32K]
Expansion ROM at fe800000 [disabled] [size=1M]
Capabilities: [40] 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: [50] Message Signalled Interrupts: Mask+ 64bit+
Queue=0/5 Enable-
Address: 0000000000000000 Data: 0000
Masking: 00000000 Pending: 00000000
Capabilities: [70] MSI-X: Enable+ Mask- TabSize=32
Vector table: BAR=2 offset=00000000
PBA: BAR=2 offset=00004000
Capabilities: [80] Express Endpoint IRQ 0
Device: Supported: MaxPayload 1024 bytes, PhantFunc 0,
ExtTag-
Device: Latency L0s <4us, L1 <8us
Device: AtnBtn- AtnInd- PwrInd-
Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported+
Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop-
Device: MaxPayload 128 bytes, MaxReadReq 128 bytes
Link: Supported Speed 2.5Gb/s, Width x8, ASPM L0s, Port 1
Link: Latency L0s <512ns, L1 <64us
Link: ASPM Disabled RCB 128 bytes CommClk- ExtSynch-
Link: Speed 2.5Gb/s, Width x8
Capabilities: [94] Vendor Specific Information
Capabilities: [9c] Vendor Specific Information
84:00.1 Ethernet controller: Sun Microsystems Computer Corp.
Multithreaded 10 Gigabit Ethernet Network Controller (rev 01)
Subsystem: Sun Microsystems Computer Corp. Unknown device 0000
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin B routed to IRQ 42
Region 0: Memory at fc000000 (64-bit, non-prefetchable) [size=16M]
Region 2: Memory at fe9e8000 (64-bit, non-prefetchable) [size=32K]
Region 4: Memory at fe9e0000 (64-bit, non-prefetchable) [size=32K]
Expansion ROM at fe700000 [disabled] [size=1M]
Capabilities: [40] 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: [50] Message Signalled Interrupts: Mask+ 64bit+
Queue=0/5 Enable-
Address: 0000000000000000 Data: 0000
Masking: 00000000 Pending: 00000000
Capabilities: [70] MSI-X: Enable- Mask- TabSize=32
Vector table: BAR=2 offset=00000000
PBA: BAR=2 offset=00004000
Capabilities: [80] Express Endpoint IRQ 0
Device: Supported: MaxPayload 1024 bytes, PhantFunc 0,
ExtTag-
Device: Latency L0s <4us, L1 <8us
Device: AtnBtn- AtnInd- PwrInd-
Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported+
Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop-
Device: MaxPayload 128 bytes, MaxReadReq 128 bytes
Link: Supported Speed 2.5Gb/s, Width x8, ASPM L0s, Port 1
Link: Latency L0s <512ns, L1 <64us
Link: ASPM Disabled RCB 128 bytes CommClk- ExtSynch-
Link: Speed 2.5Gb/s, Width x8
Capabilities: [94] Vendor Specific Information
Capabilities: [9c] Vendor Specific Information
84:00.2 Ethernet controller: Sun Microsystems Computer Corp.
Multithreaded 10 Gigabit Ethernet Network Controller (rev 01)
Subsystem: Sun Microsystems Computer Corp. Unknown device 0000
Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Interrupt: pin C routed to IRQ 41
Region 0: Memory at fb000000 (64-bit, non-prefetchable) [size=16M]
Region 2: Memory at fe9d8000 (64-bit, non-prefetchable) [size=32K]
Region 4: Memory at fe9d0000 (64-bit, non-prefetchable) [size=32K]
Expansion ROM at fe600000 [disabled] [size=1M]
Capabilities: [40] 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: [50] Message Signalled Interrupts: Mask+ 64bit+
Queue=0/5 Enable-
Address: 0000000000000000 Data: 0000
Masking: 00000000 Pending: 00000000
Capabilities: [70] MSI-X: Enable- Mask- TabSize=32
Vector table: BAR=2 offset=00000000
PBA: BAR=2 offset=00004000
Capabilities: [80] Express Endpoint IRQ 0
Device: Supported: MaxPayload 1024 bytes, PhantFunc 0,
ExtTag-
Device: Latency L0s <4us, L1 <8us
Device: AtnBtn- AtnInd- PwrInd-
Device: Errors: Correctable- Non-Fatal+ Fatal+ Unsupported-
Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
Device: MaxPayload 128 bytes, MaxReadReq 128 bytes
Link: Supported Speed 2.5Gb/s, Width x8, ASPM L0s, Port 1
Link: Latency L0s <512ns, L1 <64us
Link: ASPM Disabled RCB 128 bytes CommClk- ExtSynch-
Link: Speed 2.5Gb/s, Width x8
Capabilities: [94] Vendor Specific Information
Capabilities: [9c] Vendor Specific Information
84:00.3 Ethernet controller: Sun Microsystems Computer Corp.
Multithreaded 10 Gigabit Ethernet Network Controller (rev 01)
Subsystem: Sun Microsystems Computer Corp. Unknown device 0000
Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Interrupt: pin D routed to IRQ 40
Region 0: Memory at fa000000 (64-bit, non-prefetchable) [size=16M]
Region 2: Memory at fe9c8000 (64-bit, non-prefetchable) [size=32K]
Region 4: Memory at fe9c0000 (64-bit, non-prefetchable) [size=32K]
Expansion ROM at fe500000 [disabled] [size=1M]
Capabilities: [40] 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: [50] Message Signalled Interrupts: Mask+ 64bit+
Queue=0/5 Enable-
Address: 0000000000000000 Data: 0000
Masking: 00000000 Pending: 00000000
Capabilities: [70] MSI-X: Enable- Mask- TabSize=32
Vector table: BAR=2 offset=00000000
PBA: BAR=2 offset=00004000
Capabilities: [80] Express Endpoint IRQ 0
Device: Supported: MaxPayload 1024 bytes, PhantFunc 0,
ExtTag-
Device: Latency L0s <4us, L1 <8us
Device: AtnBtn- AtnInd- PwrInd-
Device: Errors: Correctable- Non-Fatal+ Fatal+ Unsupported-
Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
Device: MaxPayload 128 bytes, MaxReadReq 128 bytes
Link: Supported Speed 2.5Gb/s, Width x8, ASPM L0s, Port 1
Link: Latency L0s <512ns, L1 <64us
Link: ASPM Disabled RCB 128 bytes CommClk- ExtSynch-
Link: Speed 2.5Gb/s, Width x8
Capabilities: [94] Vendor Specific Information
Capabilities: [9c] Vendor Specific Information
--
Jesper
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