[tulip] Re: problem with tulip card ceasing to function - requires
ifup/ifdown to fix
Tue Nov 27 13:15:01 2001
On Tue, 27 Nov 2001, [iso-8859-1] Alexander Havšng wrote:
> We suspect there might be something in the driver that makes it
> unaware of rx/tx problems.
The driver doesn't correctly recover from the simultaneous occurrence of
an empty receive ring and a no-memory condition in the kernel.
> If we leave the max_interrupt_work at 25, and set debug to max, we see
> a lot of "too much work during interrupt" messages,
That makes some sense -- the machine is doing much more work logging the
> and increasing that variable gets rid of the warning, but not the
The problem is related to the kernel's poor memory management. A good
first step to change the kernel's parameters for how much available
memory to keep around. The following setting avoids the problem for
echo "500 1000 2000" > /proc/sys/vm/freepages
Please send a report is this modifies your problem.
Donald Becker email@example.com
Scyld Computing Corporation http://www.scyld.com
410 Severn Ave. Suite 210 Second Generation Beowulf Clusters
Annapolis MD 21403 410-990-9993