From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754116AbaETOe2 (ORCPT ); Tue, 20 May 2014 10:34:28 -0400 Received: from forward-corp1e.mail.yandex.net ([77.88.60.199]:45359 "EHLO forward-corp1e.mail.yandex.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753933AbaETOe1 (ORCPT ); Tue, 20 May 2014 10:34:27 -0400 From: Roman Gushchin To: Peter Zijlstra Cc: "bsegall@google.com" , "linux-kernel@vger.kernel.org" , "pjt@google.com" , "chris.j.arges@canonical.com" , "gregkh@linuxfoundation.org" , Thomas Gleixner In-Reply-To: <20140520142804.GB30445@twins.programming.kicks-ass.net> References: <87mwej0yja.wl%klamm@yandex-team.ru> <87lhu215ky.wl%klamm@yandex-team.ru> <20140519103247.GX30445@twins.programming.kicks-ass.net> <20140520131526.GE11096@twins.programming.kicks-ass.net> <99801400595675@webcorp1f.yandex-team.ru> <20140520142804.GB30445@twins.programming.kicks-ass.net> Subject: Re: [PATCH] sched: tg_set_cfs_bandwidth() causes rq->lock deadlock MIME-Version: 1.0 Message-Id: <107621400596463@webcorp2h.yandex-team.ru> X-Mailer: Yamail [ http://yandex.ru ] 5.0 Date: Tue, 20 May 2014 18:34:23 +0400 Content-Transfer-Encoding: 7bit Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Do you have an easy to reproduce setup and workload so I might be able > to test as well? Or are you simply dumping it in 'production' to see > what happens? No. I have only a "production" setup, where I can nicely reproduce all these lockups. It takes ~1 day. I also tried to reproduce them locally but without any success. Thanks, Roman