Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753448AbZIWQSq (ORCPT ); Wed, 23 Sep 2009 12:18:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751699AbZIWQSo (ORCPT ); Wed, 23 Sep 2009 12:18:44 -0400 Received: from e9.ny.us.ibm.com ([32.97.182.139]:34979 "EHLO e9.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750752AbZIWQSn (ORCPT ); Wed, 23 Sep 2009 12:18:43 -0400 Message-ID: <4ABA4A5B.2060107@us.ibm.com> Date: Wed, 23 Sep 2009 09:18:35 -0700 From: Darren Hart User-Agent: Thunderbird 2.0.0.23 (X11/20090817) MIME-Version: 1.0 To: Thomas Gleixner CC: LKML , rt-users , Ingo Molnar , Steven Rostedt , Peter Zijlstra , Carsten Emde , Clark Williams , Frank Rowand , Robin Gareus , Gregory Haskins , Philippe Reynes , Fernando Lopez-Lezcano , Will Schmidt , Jan Blunck , Sven-Thorsten Dietrich , Jon Masters , Mark Knecht Subject: Re: [ANNOUNCE] 2.6.31-rt11 References: <4AB91817.1050108@us.ibm.com> In-Reply-To: <4AB91817.1050108@us.ibm.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3131 Lines: 94 Darren Hart wrote: > Thomas Gleixner wrote: >> We are pleased to announce the next update to our new preempt-rt >> series. >> >> - latencytop fix >> >> - disable SPARSE_IRQ, DMAR, IRQ_REMAP for -rt >> >> Known issues: >> - ARM highmem >> - scheduler load balancing oddities. Peter is working on it. >> - timer_interrupt hang check (still working on somthing useful) >> >> The planned "add back MIPS support" is postponed to rt12. >> >> Download locations: >> >> http://rt.et.redhat.com/download/ >> http://www.kernel.org/pub/linux/kernel/projects/rt/ >> >> Git release branch: >> >> git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git >> rt/2.6.31 >> Git development branch: >> >> git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git >> rt/head >> >> Gitweb: >> >> http://git.kernel.org/?p=linux/kernel/git/tip/linux-2.6-tip.git;a=shortlog;h=rt/2.6.31 >> >> >> Information on the RT patch can be found at: >> >> http://rt.wiki.kernel.org/index.php/Main_Page >> >> to build the 2.6.31-rt11 tree, the following patches should be >> applied: >> >> http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.31.tar.bz2 >> >> http://www.kernel.org/pub/linux/kernel/projects/rt/patch-2.6.31-rt11.bz2 >> >> Enjoy ! >> >> tglx >> >> -- >> To unsubscribe from this list: send the line "unsubscribe >> linux-rt-users" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html > > Hitting a repeating BUG at boot on my Thinkpad T60p: > > [ 2.861699] BUG: sleeping function called from invalid context at > kernel/rtmutex.c:684 > [ 2.861839] in_atomic(): 1, irqs_disabled(): 0, pid: 777, name: sleep > [ 2.861967] Pid: 777, comm: sleep Not tainted 2.6.31-rc4-rt1-dvh01 #1 > [ 2.862092] Call Trace: > [ 2.862217] [] __might_sleep+0xe1/0x100 > [ 2.862343] [] rt_spin_lock+0x2a/0x70 > [ 2.862468] [] res_counter_uncharge+0x2a/0x50 > [ 2.862593] [] __mem_cgroup_uncharge_common+0x93/0x190 > [ 2.862720] [] mem_cgroup_uncharge_page+0x28/0x30 > [ 2.862845] [] page_remove_rmap+0x47/0x50 > [ 2.862969] [] unmap_vmas+0x349/0x6b0 > [ 2.863093] [] exit_mmap+0xc5/0x1c0 > [ 2.863217] [] mmput+0x51/0xc0 > [ 2.863339] [] exit_mm+0x105/0x140 > [ 2.863462] [] do_exit+0x115/0x760 > [ 2.863584] [] sys_exit+0x14/0x20 > [ 2.863707] [] syscall_call+0x7/0xb > > I'm looking for a problem with preempt_disable() between LinuxCon > seesions now. But if someone already knows the problem, thought I'd post. > Ugh, nevermind, this was an -rc4 kernel. 2.6.31-rt11 does not see this problem. -- Darren Hart IBM Linux Technology Center Real-Time Linux Team -- 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/