From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751431Ab3IPPZy (ORCPT ); Mon, 16 Sep 2013 11:25:54 -0400 Received: from cantor2.suse.de ([195.135.220.15]:45367 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751168Ab3IPPZv (ORCPT ); Mon, 16 Sep 2013 11:25:51 -0400 Date: Mon, 16 Sep 2013 17:25:48 +0200 From: Michal Hocko To: azurIt Cc: Johannes Weiner , Andrew Morton , David Rientjes , KAMEZAWA Hiroyuki , KOSAKI Motohiro , linux-mm@kvack.org, cgroups@vger.kernel.org, x86@kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [patch 0/7] improve memcg oom killer robustness v2 Message-ID: <20130916152548.GF3674@dhcp22.suse.cz> References: <20130911191150.GN856@cmpxchg.org> <20130911214118.7CDF2E71@pobox.sk> <20130911200426.GO856@cmpxchg.org> <20130914124831.4DD20346@pobox.sk> <20130916134014.GA3674@dhcp22.suse.cz> <20130916160119.2E76C2A1@pobox.sk> <20130916140607.GC3674@dhcp22.suse.cz> <20130916161316.5113F6E7@pobox.sk> <20130916145744.GE3674@dhcp22.suse.cz> <20130916170543.77F1ECB4@pobox.sk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130916170543.77F1ECB4@pobox.sk> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon 16-09-13 17:05:43, azurIt wrote: > > CC: "Johannes Weiner" , "Andrew Morton" , "David Rientjes" , "KAMEZAWA Hiroyuki" , "KOSAKI Motohiro" , linux-mm@kvack.org, cgroups@vger.kernel.org, x86@kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org > >On Mon 16-09-13 16:13:16, azurIt wrote: > >[...] > >> >You can use sysrq+l via serial console to see tasks hogging the CPU or > >> >sysrq+t to see all the existing tasks. > >> > >> > >> Doesn't work here, it just prints 'l' resp. 't'. > > > >I am using telnet for accessing my serial consoles exported by > >the multiplicator or KVM and it can send sysrq via ctrl+t (Send > >Break). Check your serial console setup. > > > > I'm using Raritan KVM and i created keyboard macro 'sysrq + l' resp. > 'sysrq + t'. I'm also unable to use it on my local PC. Maybe it needs > to be enabled somehow? Probably yes. echo 1 > /proc/sys/kernel/sysrq should enable all sysrq commands. You can select also some of them (have a look at Documentation/sysrq.txt for more information) -- Michal Hocko SUSE Labs From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michal Hocko Subject: Re: [patch 0/7] improve memcg oom killer robustness v2 Date: Mon, 16 Sep 2013 17:25:48 +0200 Message-ID: <20130916152548.GF3674@dhcp22.suse.cz> References: <20130911191150.GN856@cmpxchg.org> <20130911214118.7CDF2E71@pobox.sk> <20130911200426.GO856@cmpxchg.org> <20130914124831.4DD20346@pobox.sk> <20130916134014.GA3674@dhcp22.suse.cz> <20130916160119.2E76C2A1@pobox.sk> <20130916140607.GC3674@dhcp22.suse.cz> <20130916161316.5113F6E7@pobox.sk> <20130916145744.GE3674@dhcp22.suse.cz> <20130916170543.77F1ECB4@pobox.sk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20130916170543.77F1ECB4@pobox.sk> Sender: owner-linux-mm@kvack.org To: azurIt Cc: Johannes Weiner , Andrew Morton , David Rientjes , KAMEZAWA Hiroyuki , KOSAKI Motohiro , linux-mm@kvack.org, cgroups@vger.kernel.org, x86@kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-arch.vger.kernel.org On Mon 16-09-13 17:05:43, azurIt wrote: > > CC: "Johannes Weiner" , "Andrew Morton" , "David Rientjes" , "KAMEZAWA Hiroyuki" , "KOSAKI Motohiro" , linux-mm@kvack.org, cgroups@vger.kernel.org, x86@kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org > >On Mon 16-09-13 16:13:16, azurIt wrote: > >[...] > >> >You can use sysrq+l via serial console to see tasks hogging the CPU or > >> >sysrq+t to see all the existing tasks. > >> > >> > >> Doesn't work here, it just prints 'l' resp. 't'. > > > >I am using telnet for accessing my serial consoles exported by > >the multiplicator or KVM and it can send sysrq via ctrl+t (Send > >Break). Check your serial console setup. > > > > I'm using Raritan KVM and i created keyboard macro 'sysrq + l' resp. > 'sysrq + t'. I'm also unable to use it on my local PC. Maybe it needs > to be enabled somehow? Probably yes. echo 1 > /proc/sys/kernel/sysrq should enable all sysrq commands. You can select also some of them (have a look at Documentation/sysrq.txt for more information) -- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org