| To: | Pasi Sjoholm <ptsjohol@xxxxxxxxx> |
|---|---|
| Subject: | Re: ksoftirqd uses 99% CPU triggered by network traffic (maybe RLT-8139 related) |
| From: | Francois Romieu <romieu@xxxxxxxxxxxxx> |
| Date: | Sat, 31 Jul 2004 14:33:30 +0200 |
| Cc: | Robert Olsson <Robert.Olsson@xxxxxxxxxxx>, H?ctor Mart?n <hector@xxxxxxxxxxxxxx>, Linux-Kernel <linux-kernel@xxxxxxxxxxxxxxx>, akpm@xxxxxxxx, netdev@xxxxxxxxxxx, brad@xxxxxxxxxx, shemminger@xxxxxxxx |
| In-reply-to: | <Pine.LNX.4.44.0407302116010.23238-101000@silmu.st.jyu.fi>; from ptsjohol@cc.jyu.fi on Fri, Jul 30, 2004 at 09:40:28PM +0300 |
| References: | <16650.21955.869485.332365@robur.slu.se> <Pine.LNX.4.44.0407302116010.23238-101000@silmu.st.jyu.fi> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
| User-agent: | Mutt/1.2.5.1i |
Pasi Sjoholm <ptsjohol@xxxxxxxxx> : [interesting report] > The hardest part is to tell where the problem is but I think that > rtl8139_poll-function would be good place to start looking for the bug? > > readprofile didn't tell much.. Where to go next? I'm not so good > programmer that I could find the right place to fix.. In case it could make a difference: did you check if CONFIG_8139_OLD_RX_RESET changes the behavior or not ? If it does not, I'd welcome a test report + log with the two attached patch applied. The first one is just a placebo but the second one could help. Btw, you are probably right that the issue is not related to ksoftirqd at all. -- Ueimor
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