On 3/07/2006 10:03 p.m., Andrew Morton wrote:
ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.17/2.6.17-mm6/
- A major update to the e1000 driver.
- 1394 updates
Some minor breakage in the e1000...
Fedora Core release 5.90 (Test)
Kernel 2.6.17-mm6 on an x86_64
tornado.reub.net login: e1000: eth0: e1000_clean_tx_irq: Detected Tx Unit Hang
Tx Queue <0>
TDH <a>
TDT <1c>
next_to_use <1c>
next_to_clean <8>
buffer_info[next_to_clean]
time_stamp <100027f1a>
next_to_watch <a>
jiffies <1000281d4>
next_to_watch.status <0>
e1000: eth0: e1000_clean_tx_irq: Detected Tx Unit Hang
Tx Queue <0>
TDH <a>
TDT <1c>
next_to_use <1c>
next_to_clean <8>
buffer_info[next_to_clean]
time_stamp <100027f1a>
next_to_watch <a>
jiffies <1000283c8>
next_to_watch.status <0>
e1000: eth0: e1000_clean_tx_irq: Detected Tx Unit Hang
Tx Queue <0>
TDH <a>
TDT <1c>
next_to_use <1c>
next_to_clean <8>
buffer_info[next_to_clean]
time_stamp <100027f1a>
next_to_watch <a>
jiffies <1000285bc>
next_to_watch.status <0>
e1000: eth0: e1000_clean_tx_irq: Detected Tx Unit Hang
Tx Queue <0>
TDH <a>
TDT <1c>
next_to_use <1c>
next_to_clean <8>
buffer_info[next_to_clean]
time_stamp <100027f1a>
next_to_watch <a>
jiffies <1000287b0>
next_to_watch.status <0>
e1000: eth0: e1000_clean_tx_irq: Detected Tx Unit Hang
Tx Queue <0>
TDH <a>
TDT <1c>
next_to_use <1c>
next_to_clean <8>
buffer_info[next_to_clean]
time_stamp <100027f1a>
next_to_watch <a>
jiffies <1000289a4>
next_to_watch.status <0>
A look through my switch logs and kernel logs over the last few days shows these
messages and layer 2/link down disconnections every few hours or so, but of very
short duration (I hadn't noticed until now).
This output above was under virtually no load.
Both the e1000 and switch port on the other end are doing RX and TX flow control.
The controller is a built in chip on an Intel D945GNT board.
01:00.0 Ethernet controller: Intel Corporation 82573V Gigabit Ethernet
Controller (Copper) (rev 03)
Subsystem: Intel Corporation Unknown device 3094
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 313
Region 0: Memory at 48000000 (32-bit, non-prefetchable) [size=128K]
Region 2: I/O ports at 2000 [size=32]
Capabilities: [c8] 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: [d0] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable+
Address: 00000000fee0100c Data: 4142
Capabilities: [e0] Express Endpoint IRQ 0
Device: Supported: MaxPayload 256 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 128 bytes, MaxReadReq 512 bytes
Link: Supported Speed 2.5Gb/s, Width x1, ASPM unknown, Port 0
Link: Latency L0s <128ns, L1 <64us
Link: ASPM Disabled RCB 64 bytes CommClk+ ExtSynch-
Link: Speed 2.5Gb/s, Width x1
[root@tornado log]# ethtool -i eth0
driver: e1000
version: 7.1.9-k2-NAPI
firmware-version: 1.0-5
bus-info: 0000:01:00.0
[root@tornado log]#
Where can I go from here to help debug this further?
reuben
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