RE: [BUG] __vlan_hwaccel_rx system call causes kernel panic

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Oops, I forgot to include the hardware:

06:00.0 Ethernet controller: Intel Corporation 82576 Gigabit Network Connection (rev 01)
	Subsystem: Intel Corporation Gigabit ET Quad Port Server Adapter
	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 47
	Region 0: Memory at ddfc0000 (32-bit, non-prefetchable) [size=128K]
	Region 1: Memory at de000000 (32-bit, non-prefetchable) [size=4M]
	Region 2: I/O ports at ecc0 [size=32]
	Region 3: Memory at ddfb8000 (32-bit, non-prefetchable) [size=16K]
	Capabilities: [40] Power Management version 3
		Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
		Status: D0 PME-Enable- DSel=0 DScale=1 PME-
	Capabilities: [50] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable-
		Address: 0000000000000000  Data: 0000
	Capabilities: [70] MSI-X: Enable+ Mask- TabSize=10
		Vector table: BAR=3 offset=00000000
		PBA: BAR=3 offset=00002000
	Capabilities: [a0] Express Endpoint IRQ 0
		Device: Supported: MaxPayload 512 bytes, PhantFunc 0, ExtTag-
		Device: Latency L0s <512ns, L1 <64us
		Device: AtnBtn- AtnInd- PwrInd-
		Device: Errors: Correctable- Non-Fatal+ Fatal+ Unsupported+
		Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
		Device: MaxPayload 256 bytes, MaxReadReq 512 bytes
		Link: Supported Speed 2.5Gb/s, Width x4, ASPM L0s L1, Port 2
		Link: Latency L0s <4us, L1 <64us
		Link: ASPM Disabled RCB 64 bytes CommClk+ ExtSynch-
		Link: Speed 2.5Gb/s, Width x4
	Capabilities: [100] Advanced Error Reporting
	Capabilities: [140] Device Serial Number c0-57-55-ff-ff-21-1b-00
	Capabilities: [150] Unknown (14)
	Capabilities: [160] Unknown (16)

06:00.1 Ethernet controller: Intel Corporation 82576 Gigabit Network Connection (rev 01)
	Subsystem: Intel Corporation Gigabit ET Quad Port Server Adapter
	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 46
	Region 0: Memory at ddfe0000 (32-bit, non-prefetchable) [size=128K]
	Region 1: Memory at de400000 (32-bit, non-prefetchable) [size=4M]
	Region 2: I/O ports at ece0 [size=32]
	Region 3: Memory at ddfbc000 (32-bit, non-prefetchable) [size=16K]
	Capabilities: [40] Power Management version 3
		Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
		Status: D0 PME-Enable- DSel=0 DScale=1 PME-
	Capabilities: [50] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable-
		Address: 0000000000000000  Data: 0000
	Capabilities: [70] MSI-X: Enable+ Mask- TabSize=10
		Vector table: BAR=3 offset=00000000
		PBA: BAR=3 offset=00002000
	Capabilities: [a0] Express Endpoint IRQ 0
		Device: Supported: MaxPayload 512 bytes, PhantFunc 0, ExtTag-
		Device: Latency L0s <512ns, L1 <64us
		Device: AtnBtn- AtnInd- PwrInd-
		Device: Errors: Correctable- Non-Fatal+ Fatal+ Unsupported+
		Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
		Device: MaxPayload 256 bytes, MaxReadReq 512 bytes
		Link: Supported Speed 2.5Gb/s, Width x4, ASPM L0s L1, Port 2
		Link: Latency L0s <4us, L1 <64us
		Link: ASPM Disabled RCB 64 bytes CommClk+ ExtSynch-
		Link: Speed 2.5Gb/s, Width x4
	Capabilities: [100] Advanced Error Reporting
	Capabilities: [140] Device Serial Number c0-57-55-ff-ff-21-1b-00
	Capabilities: [150] Unknown (14)
	Capabilities: [160] Unknown (16)

07:00.0 Ethernet controller: Intel Corporation 82576 Gigabit Network Connection (rev 01)
	Subsystem: Intel Corporation Gigabit ET Quad Port Server Adapter
	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 38
	Region 0: Memory at dd3c0000 (32-bit, non-prefetchable) [size=128K]
	Region 1: Memory at dd400000 (32-bit, non-prefetchable) [size=4M]
	Region 2: I/O ports at dcc0 [size=32]
	Region 3: Memory at dd3b8000 (32-bit, non-prefetchable) [size=16K]
	Capabilities: [40] Power Management version 3
		Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold-)
		Status: D0 PME-Enable- DSel=0 DScale=1 PME-
	Capabilities: [50] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable-
		Address: 0000000000000000  Data: 0000
	Capabilities: [70] MSI-X: Enable+ Mask- TabSize=10
		Vector table: BAR=3 offset=00000000
		PBA: BAR=3 offset=00002000
	Capabilities: [a0] Express Endpoint IRQ 0
		Device: Supported: MaxPayload 512 bytes, PhantFunc 0, ExtTag-
		Device: Latency L0s <512ns, L1 <64us
		Device: AtnBtn- AtnInd- PwrInd-
		Device: Errors: Correctable- Non-Fatal+ Fatal+ Unsupported+
		Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
		Device: MaxPayload 256 bytes, MaxReadReq 512 bytes
		Link: Supported Speed 2.5Gb/s, Width x4, ASPM L0s L1, Port 4
		Link: Latency L0s <4us, L1 <64us
		Link: ASPM Disabled RCB 64 bytes CommClk+ ExtSynch-
		Link: Speed 2.5Gb/s, Width x4
	Capabilities: [100] Advanced Error Reporting
	Capabilities: [140] Device Serial Number c4-57-55-ff-ff-21-1b-00
	Capabilities: [150] Unknown (14)
	Capabilities: [160] Unknown (16)

07:00.1 Ethernet controller: Intel Corporation 82576 Gigabit Network Connection (rev 01)
	Subsystem: Intel Corporation Gigabit ET Quad Port Server Adapter
	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 45
	Region 0: Memory at dd3e0000 (32-bit, non-prefetchable) [size=128K]
	Region 1: Memory at dd800000 (32-bit, non-prefetchable) [size=4M]
	Region 2: I/O ports at dce0 [size=32]
	Region 3: Memory at dd3bc000 (32-bit, non-prefetchable) [size=16K]
	Capabilities: [40] Power Management version 3
		Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold-)
		Status: D0 PME-Enable- DSel=0 DScale=1 PME-
	Capabilities: [50] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable-
		Address: 0000000000000000  Data: 0000
	Capabilities: [70] MSI-X: Enable+ Mask- TabSize=10
		Vector table: BAR=3 offset=00000000
		PBA: BAR=3 offset=00002000
	Capabilities: [a0] Express Endpoint IRQ 0
		Device: Supported: MaxPayload 512 bytes, PhantFunc 0, ExtTag-
		Device: Latency L0s <512ns, L1 <64us
		Device: AtnBtn- AtnInd- PwrInd-
		Device: Errors: Correctable- Non-Fatal+ Fatal+ Unsupported+
		Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
		Device: MaxPayload 256 bytes, MaxReadReq 512 bytes
		Link: Supported Speed 2.5Gb/s, Width x4, ASPM L0s L1, Port 4
		Link: Latency L0s <4us, L1 <64us
		Link: ASPM Disabled RCB 64 bytes CommClk+ ExtSynch-
		Link: Speed 2.5Gb/s, Width x4
	Capabilities: [100] Advanced Error Reporting
	Capabilities: [140] Device Serial Number c4-57-55-ff-ff-21-1b-00
	Capabilities: [150] Unknown (14)
	Capabilities: [160] Unknown (16)


-- 
Greg Trahair | Lead System Engineer | TomTom

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