From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarek Poplawski Subject: Re: Putting for discussion "__qdisc_run" bug - strange application-dependant error Date: Sun, 10 May 2009 13:54:00 +0200 Message-ID: <4A06C058.6040207@gmail.com> References: <657221.87331.qm@web28608.mail.ukl.yahoo.com> <4A06834A.1040307@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: Panadero Pizza , netdev@vger.kernel.org To: unlisted-recipients:; (no To-header on input) Return-path: Received: from mail-fx0-f158.google.com ([209.85.220.158]:32982 "EHLO mail-fx0-f158.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750870AbZEJLz3 (ORCPT ); Sun, 10 May 2009 07:55:29 -0400 Received: by fxm2 with SMTP id 2so2181206fxm.37 for ; Sun, 10 May 2009 04:55:27 -0700 (PDT) In-Reply-To: <4A06834A.1040307@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: Jarek Poplawski wrote, On 05/10/2009 09:33 AM: > Panadero Pizza wrote, On 05/09/2009 09:55 PM ... >> I have found that from 2.6.24.x on, the __qdisc_run function has been made preemptible and this feature has been enabled for the realization of the afore-said 2.6.24.7 and 2.6.27.12 kernels ... > Since you're suggesting the specific patch has broken this for you, could > you simply write if 2.6.24.4 (or 2.6.24.7 with "NET: Add preemption point > in qdisc_run" patch reverted) also solves your problem? Btw., let's make it clear: after this patch the __qdisc_run function hasn't been made preemptible; it could simply exit before all work is finished and schedule the rest for later. Jarek P.