[ltp] Re: TP770ED Kernel 2.4.20 Crashes on Boot

Ronald W. Heiby linux-thinkpad@linux-thinkpad.org
Fri, 20 Jun 2003 01:14:21 -0500


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I recently wrote:

> Now, I've tried upgrading to the latest 2.4.20-18.8, and my system is
> still locking up at boot time.

I have some more data points. Same system, but I found a couple of
other dual Ethernet/Modem PC Cards at work and brought them home to
try.

Xircom RealPort Ethernet 10/100+Modem 56 (REM56G-100), another 16-bit
PCMCIA card, behaved pretty much like the Megahertz card, but not
quite. With this card, the system got through displaying all of the
Yenta IRQ list and Socket status lines for each of the four slots,
then displayed:

usb-uhci.c: Host controller halted, trying to restart.
excluding 0xa0000000-0xa0ffffff

After this, the system was hung.

The other board was a Xircom CardBus Ethernet 10/100+Modem 56
(CBEM56G-100), which I would really like to be able to use, as the
32-bit CardBus interface should be a bunch faster. With this card in
the system, it booted 2.4.20 just fine, all the way into the
"Welcome ... Please enter your username" graphical screen, and I
thought I was home free. Unfortunately, performance on the network was
abysmal -- including dropping about 1/3 of the packets on pings from
another host on my home LAN.

So, for now, I'm back with my original Megahertz modem and my 2.4.18
kernel.

Still looking for ideas on how I can trouble shoot this and get a
coherent bug report to someone with a chance of getting it fixed.

Thanks!

Ron.

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