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SubjectIntel e1000 fails after RAM upgrade
Hi there!

First the basic system specs:
Athlon64 3500+ S939, Winchester
Kernel 2.6.14.4, X86_64
4*1 GB RAM DDR 333, Dual Channel [before: 2*1 GB RAM DDR 400, Dual Channel]
Intel Gigabit PCI (Intel Corporation 82540EM Gigabit Ethernet Controller (rev 02))
Abit AV8

After upgrading the memory to 4 GB I noticed my e1000 did not work.
dmesg shows:

e1000: eth0: e1000_watchdog_task: NIC Link is Up 1000 Mbps Full Duplex
e1000: eth0: e1000_clean_tx_irq: Detected Tx Unit Hang
TDH <2000>
TDT <2000>
next_to_use <6>
next_to_clean <0>
buffer_info[next_to_clean]
dma <13024c002>
time_stamp <ffffd8c7>
next_to_watch <0>
jiffies <ffffe096>
next_to_watch.status <0>
e1000: eth0: e1000_clean_tx_irq: Detected Tx Unit Hang
TDH <2000>
TDT <2000>
next_to_use <6>
next_to_clean <0>
buffer_info[next_to_clean]
dma <13024c002>
time_stamp <ffffd8c7>
next_to_watch <0>
jiffies <ffffe28a>
next_to_watch.status <0>
eth0: no IPv6 routers present
e1000: eth0: e1000_clean_tx_irq: Detected Tx Unit Hang
TDH <2000>
TDT <2000>
next_to_use <6>
next_to_clean <0>
buffer_info[next_to_clean]
dma <13024c002>
time_stamp <ffffd8c7>
next_to_watch <0>
jiffies <ffffe47e>
next_to_watch.status <0>
e1000: eth0: e1000_clean_tx_irq: Detected Tx Unit Hang
TDH <2000>
TDT <2000>
next_to_use <6>
next_to_clean <0>
buffer_info[next_to_clean]
dma <13024c002>
time_stamp <ffffd8c7>
next_to_watch <0>
jiffies <ffffe672>
next_to_watch.status <0>

ethtool -t eth0 offline:
The test result is FAIL
The test extra info:
Register test (offline) 40
Eeprom test (offline) 0
Interrupt test (offline) 4
Loopback test (offline) 13
Link test (on/offline) 1

I have two of these cards. Both run fine in my (old, 32bit) server. I
tested with both cards with both systems. Only in my 64bit machine this
error occurs - with both cards.

Please tell me what to do. I have to live with the VIA onboard in the
meantime and that is not the best network card...

Thanks a lot,
--
Carsten Otto
c-otto@gmx.de
www.c-otto.de
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