Re: QUESTION: Network hangs with BP6 and 2.4.x kernels, hardwarerelated?

Ingo Molnar (
Fri, 12 Jan 2001 21:51:36 +0100 (CET)

On Fri, 12 Jan 2001, Frank de Lange wrote:

> PATCHED 8390.c (using irq_safe spinlocks instead of disable_irq)
> PATCHED apic.c (focus cpu ENABLED)
> STOCK io_apic.c
> No problems under heavy network load.
> Gentleman, this (the patch to 8390.c) seems to fix the problem.

great. Back when i had the same problem, flood pinging another host (on
the local network) was the quickest way to reproduce the hang:

ping -f -s 10 otherhost

this produced an IOAPIC-hang within seconds.


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