Unplugging the cable with netconsole active on the interface results in
neverending:
May 10 17:48:28 nemi kernel: [ 624.809508] e1000e 0000:00:19.0 eth0: Detected
Hardware Unit Hang:
May 10 17:48:28 nemi kernel: [ 624.809508] TDH <0>
May 10 17:48:28 nemi kernel: [ 624.809508] TDT <1>
May 10 17:48:28 nemi kernel: [ 624.809508] next_to_use <1>
May 10 17:48:28 nemi kernel: [ 624.809508] next_to_clean <0>
May 10 17:48:28 nemi kernel: [ 624.809508] buffer_info[next_to_clean]:
May 10 17:48:28 nemi kernel: [ 624.809508] time_stamp <1000123c3>
May 10 17:48:28 nemi kernel: [ 624.809508] next_to_watch <0>
May 10 17:48:28 nemi kernel: [ 624.809508] jiffies <100013d32>
May 10 17:48:28 nemi kernel: [ 624.809508] next_to_watch.status <0>
May 10 17:48:28 nemi kernel: [ 624.809508] MAC Status <80280>
May 10 17:48:28 nemi kernel: [ 624.809508] PHY Status <7949>
May 10 17:48:28 nemi kernel: [ 624.809508] PHY 1000BASE-T Status <0>
May 10 17:48:28 nemi kernel: [ 624.809508] PHY Extended Status <3000>
May 10 17:48:28 nemi kernel: [ 624.809508] PCI Status <10>
May 10 17:48:30 nemi kernel: [ 626.809388] e1000e 0000:00:19.0 eth0: Detected
Hardware Unit Hang:
May 10 17:48:30 nemi kernel: [ 626.809388] TDH <0>
May 10 17:48:30 nemi kernel: [ 626.809388] TDT <1>
May 10 17:48:30 nemi kernel: [ 626.809388] next_to_use <1>
May 10 17:48:30 nemi kernel: [ 626.809388] next_to_clean <0>
May 10 17:48:30 nemi kernel: [ 626.809388] buffer_info[next_to_clean]:
May 10 17:48:30 nemi kernel: [ 626.809388] time_stamp <1000123c3>
May 10 17:48:30 nemi kernel: [ 626.809388] next_to_watch <0>
May 10 17:48:30 nemi kernel: [ 626.809388] jiffies <100013f26>
May 10 17:48:30 nemi kernel: [ 626.809388] next_to_watch.status <0>
May 10 17:48:30 nemi kernel: [ 626.809388] MAC Status <80280>
May 10 17:48:30 nemi kernel: [ 626.809388] PHY Status <7949>
May 10 17:48:30 nemi kernel: [ 626.809388] PHY 1000BASE-T Status <0>
May 10 17:48:30 nemi kernel: [ 626.809388] PHY Extended Status <3000>
May 10 17:48:30 nemi kernel: [ 626.809388] PCI Status <10>
This is running on current net/master. I'm not quite sure when the
problem started as I don't use netconsole that often.
To reproduce:
ifconfig eth0 192.168.2.2/24 up
modprobe netconsole netconsole=@/,@192.168.2.1/
<unplug cable>
Unloading netconsole before unplugging the cable prevents the problem.
Unloading it after unplugging has no effect. The log messages will then
continue until I either plug the cable again or unload the e1000e
driver.
The device is:
nemi:/tmp# lspci -vvvnns :19
00:19.0 Ethernet controller [0200]: Intel Corporation 82567LM Gigabit Network
Connection [8086:10f5] (rev 03)
Subsystem: Lenovo Device [17aa:20ee]
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-
Interrupt: pin A routed to IRQ 20
Region 0: Memory at f0600000 (32-bit, non-prefetchable) [disabled]
[size=128K]
Region 1: Memory at f0625000 (32-bit, non-prefetchable) [disabled]
[size=4K]
Region 2: I/O ports at 1840 [disabled] [size=32]
Capabilities: [c8] Power Management version 2
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D3 NoSoftRst- PME-Enable+ DSel=0 DScale=1 PME-
Capabilities: [d0] MSI: Enable- Count=1/1 Maskable- 64bit+
Address: 00000000fee0300c Data: 4183
Capabilities: [e0] PCI Advanced Features
AFCap: TP+ FLR+
AFCtrl: FLR-
AFStatus: TP-
Kernel driver in use: e1000e
Let me know if there is any other info I can provide. I don't read this
list, so please CC me if you need my attention.
Thanks,
Bjørn
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