From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758275Ab3CYOVo (ORCPT ); Mon, 25 Mar 2013 10:21:44 -0400 Received: from mail-qe0-f50.google.com ([209.85.128.50]:36391 "EHLO mail-qe0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757934Ab3CYOVn (ORCPT ); Mon, 25 Mar 2013 10:21:43 -0400 MIME-Version: 1.0 In-Reply-To: <515058D5.6060509@surriel.com> References: <1363809337-29718-1-git-send-email-riel@surriel.com> <515058D5.6060509@surriel.com> Date: Mon, 25 Mar 2013 21:21:41 +0700 Message-ID: Subject: Re: ipc,sem: sysv semaphore scalability From: Emmanuel Benisty To: Rik van Riel Cc: Linus Torvalds , Davidlohr Bueso , Linux Kernel Mailing List , Andrew Morton , hhuang@redhat.com, "Low, Jason" , Michel Lespinasse , Larry Woodman , "Vinod, Chegu" Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 25, 2013 at 9:01 PM, Rik van Riel wrote: > On 03/25/2013 09:47 AM, Emmanuel Benisty wrote: >> >> On Mon, Mar 25, 2013 at 12:10 AM, Linus Torvalds >> wrote: >>> >>> And you never see this problem without Rik's patches? >> >> >> No, never. >> >>> Could you bisect >>> *which* patch it starts with? Are the first four ones ok (the moving >>> of the locking around, but without the fine-grained ones), for >>> example? >> >> >> With the first four patches only, I got some X server freeze (just tried >> once). > > > Another random question, just to rule something out. What video driver > are you using on your system? intel on i3 330m