[ltp] t60 hangs when using wired ethernet

[Jiang Qian]

On Thu, Mar 08, 2007 at 11:07:19AM -0700, Jeff Lessem wrote:
> I'm trying to solve a problem with the wired ethernet on a Thinkpad
> T60 (2.0Ghz dual core, 2GB RAM, ATI Video).  When not using the wired
> ethernet, wireless only, the computer is completely stable, and can
> achieve uptimes of 30+ days.  Using the wired ethernet it hangs after
> 1-20 hours.
> 
> When using the wired ethernet the computer will hard lockup after a
> period of time.  There is no oops, panic, or other indication.  The
> computer simply stops responding to all keyboard or network input, and
> the screen freezes.  The only way to bring the computer back is
> holding down the power button until it turns off.
> 
> The wired ethernet is the same Intel e1000 gigabit PCIe card used in
> other T60s.  This crash occurs with the hard disk installed
> Debian/unstable based system, on all kernels I've tried from
> 2.6.17-2.6.20, using the in kernel e1000 driver or the Intel one from
> http://sourceforge.net/projects/e1000/ (up through 7-4-27).  The crash
> happens when using a Knoppix livecd, or a custom Debian-based livecd.
> 
> The crash only occurs if an ethernet cable is plugged into the
> computer, merely loading the e1000 driver is not enough to crash the
> system.
> 
> The system BIOS is the latest from Lenovo, but the problem has
> occurred since the system was new (August, 2006).
> 
> I've run the DOS based PC-Doctor ethernet tests, and they complete
> successfully, and can run for hours without crashing the computer.
> 
> Any advice will be appreciated.
Do you still have windows installed? If so does it happen under windows, 
too? The first thing to do is to rule out hardware problem.
Jiang
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