From mboxrd@z Thu Jan 1 00:00:00 1970 From: figo zhang Subject: Re: KS8695: possible NAPI issue Date: Wed, 3 Mar 2010 09:46:31 +0800 Message-ID: References: <4B8D1C02.1010204@softplc.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Cc: Yegor Yefremov , netdev@vger.kernel.org, zealcook@gmail.com To: Dick Hollenbeck Return-path: Received: from mail-pw0-f46.google.com ([209.85.160.46]:38819 "EHLO mail-pw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752701Ab0CCBqc (ORCPT ); Tue, 2 Mar 2010 20:46:32 -0500 Received: by pwj8 with SMTP id 8so556663pwj.19 for ; Tue, 02 Mar 2010 17:46:31 -0800 (PST) In-Reply-To: <4B8D1C02.1010204@softplc.com> Sender: netdev-owner@vger.kernel.org List-ID: 2010/3/2 Dick Hollenbeck : > Yegor Yefremov wrote: >> >> I'm using 2.6.33 kernel and I noticed such a strange behavior: >> >> after system start I transfer one file via netcat from my development >> host, after this transfer the network is not functioning i.e. no pings >> possible etc. >> >> To narrow down the problem I checked out this commit >> >> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=451f14439847db302e5104c44458b2dbb4b1829d. >> Till here the network driver is functioning as intended, but after >> NAPI introduction I have this issue. With latest git-pull of "Linus' >> kernel tree" I can't even ping right after the systems start. >> >> Any Ideas? What am I missing? >> > > No idea, although I am using the same ARM chip, my kernel is at 2.6.30.5, > and except for this occasional loss of connection I get, the ethernet driver > seems to work better than what you are reporting. from linux-2.6.32, this ethernet driver have add NAPI support, would you like to try using this version?