From: Eric Lemoine <Eric.Lemoine@ens-lyon.fr>
To: linux-kernel@vger.kernel.org
Subject: interrupt controler question
Date: Fri, 17 May 2002 09:09:36 +0200 [thread overview]
Message-ID: <20020517070936.GA436@hookipa> (raw)
Using the old i8259 interrupts controller, my 1-way Linux2.4.16 box
livelocks when receiving a high rate UDP flow (interrupt rate is so
high that the NET_RX_SOFTIRQ never gets the chance to pull the
packets off the backlog queue). However, the receive livelock
phenomenom completely disappears when making use of the IO-APIC.
Anyone has an explanation for this?
THX.
--
Eric
reply other threads:[~2002-05-17 7:07 UTC|newest]
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