Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751320Ab3IPPkp (ORCPT ); Mon, 16 Sep 2013 11:40:45 -0400 Received: from gmmr8.centrum.cz ([46.255.227.254]:59074 "EHLO gmmr8.centrum.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750905Ab3IPPkm (ORCPT ); Mon, 16 Sep 2013 11:40:42 -0400 To: =?utf-8?q?Michal_Hocko?= Subject: =?utf-8?q?Re=3A_=5Bpatch_0=2F7=5D_improve_memcg_oom_killer_robustness_v2?= Date: Mon, 16 Sep 2013 17:40:39 +0200 From: "azurIt" Cc: =?utf-8?q?Johannes_Weiner?= , =?utf-8?q?Andrew_Morton?= , =?utf-8?q?David_Rientjes?= , =?utf-8?q?KAMEZAWA_Hiroyuki?= , =?utf-8?q?KOSAKI_Motohiro?= , , , , , 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> <20130916152548.GF3674@dhcp22.suse.cz> In-Reply-To: <20130916152548.GF3674@dhcp22.suse.cz> X-Mailer: Centrum Email 5.3 X-Priority: 3 X-Original-From: azurit@pobox.sk MIME-Version: 1.0 Message-Id: <20130916174039.203B03C9@pobox.sk> X-Maser: Georgo Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2004 Lines: 39 > 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 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) # ls -la /proc/sys/kernel/sysrq ls: cannot access /proc/sys/kernel/sysrq: No such file or directory ok, so problem is probably here: # CONFIG_MAGIC_SYSRQ is not set I will enable it with next reboot. azur -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/