From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753020Ab1K2Gro (ORCPT ); Tue, 29 Nov 2011 01:47:44 -0500 Received: from rtits2.realtek.com ([60.250.210.242]:45828 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751146Ab1K2Grn (ORCPT ); Tue, 29 Nov 2011 01:47:43 -0500 X-SpamFilter-By: BOX Solutions SpamTrap 5.15 with qID pAT6lP7d027611, This message is released by code: ctlocs8528 From: hayeswang To: "'Francois Romieu'" , CC: "'Jonathan Nieder'" , "'Eric Dumazet'" , , "'nic_swsd'" , , "'Armin Kazmi'" References: <20111124044137.GA18262@elie.hsd1.il.comcast.net> <4ECFE7A7.5070300@wolke7.net> <20111125201936.GA26692@elie.hsd1.il.comcast.net> <1322253122.2550.3.camel@edumazet-laptop> <20111125222211.GA13719@electric-eye.fr.zoreil.com> <1322262357.2550.12.camel@edumazet-laptop> <20111126004447.GA14744@electric-eye.fr.zoreil.com> <1322280423.10212.3.camel@edumazet-laptop> <20111127092808.GE21635@elie.hsd1.il.comcast.net> <4ED2A573.1020807@wolke7.net> <20111127231147.GA1784@electric-eye.fr.zoreil.com> Subject: RE: [bug?] r8169: hangs under heavy load Date: Tue, 29 Nov 2011 14:47:24 +0800 X-BOX-Message-Id: pAT6lP7d027611 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook 11 Thread-Index: AcytWs16pKPsPwEfTy6rlDsyTPEmgQBBcScg In-Reply-To: <20111127231147.GA1784@electric-eye.fr.zoreil.com> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6109 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Francois Romieu [mailto:romieu@fr.zoreil.com] [...] > > Hayes, does the 8168c require something special to recover > from Rx FIFO > overflow ? > For the 8168c and the later chips, our hardware engineer says that don't enable the RxFIFOOver of IntrMask and don't clear the RxFIFOOver of IntrStatus. The hardware will automatically escape Rx fifo full situation. Although you try to clear the RxFIFOOver of IntrStatus, maybe the bit wouldn't be cleared. Just disregard it. Best Regards, Hayes