From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751172AbVHLNTo (ORCPT ); Fri, 12 Aug 2005 09:19:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751173AbVHLNTo (ORCPT ); Fri, 12 Aug 2005 09:19:44 -0400 Received: from cantor.suse.de ([195.135.220.2]:30596 "EHLO mx1.suse.de") by vger.kernel.org with ESMTP id S1751172AbVHLNTo (ORCPT ); Fri, 12 Aug 2005 09:19:44 -0400 Date: Fri, 12 Aug 2005 15:19:43 +0200 From: Olaf Hering To: linux-kernel@vger.kernel.org Subject: netconsole lockup with current kernel 2.6.13-rc6-git3 Message-ID: <20050812131942.GA2696@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline X-DOS: I got your 640K Real Mode Right Here Buddy! X-Homeland-Security: You are not supposed to read this line! You are a terrorist! User-Agent: Mutt und vi sind doch schneller als Notes (und GroupWise) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org on the system to debug do: girgendwas:~ # netconsole-server boettger:12346 verify the loglevel. otherwise no message may appear on the remove host, see man dmesg(1) now run 'netcat -l -u -p 12346' on host 10.10.125.16 to see further kernel messages girgendwas:~ # echo 8 > /proc/sysrq-trigger girgendwas:~ # echo t > /proc/sysrq-trigger on the system to retrieve kernel messages from client above do: netcat -l -u -p 12346 SysRq : Changing Loglevel Loglevel set to 8 SysRq : Show State sibling task PC pid father child younger older init S 00000286 0 1 0 2 (NOTLB) dfe1fec8 00000082 dfe1e000 00000286 0000002c 00000058 4f924352 00007b27 ffff037f 00000bca 4f924ace 00007b27 c15d3b88 c15d3a60 c15d3540 c140d160 4f92b4eb 00007b27 dfe1e000 00000000 00000282 c012f350 0204f514 c140dfe0 Call Trace: [] lock_timer_base+0x20/0x50 [] __mod_timer+0xa8/0xd0 [] schedule_timeout+0x4e/0xc0 [] process_timeout+0x0/0x10 [] do_select+0x2af/0x360 [] __pollwait+0x0/0xd0 this is all I get, then the system is dead. I see it also on G5, no interrupts served. Will check if older kernels work ok, it does at least work in SLES9