From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 14 Mar 2003 08:30:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 14 Mar 2003 08:30:51 -0500 Received: from [80.190.48.67] ([80.190.48.67]:60166 "EHLO mx00.linux-systeme.com") by vger.kernel.org with ESMTP id convert rfc822-to-8bit; Fri, 14 Mar 2003 08:30:49 -0500 Content-Type: text/plain; charset=US-ASCII From: Marc-Christian Petersen Organization: Working Overloaded Linux Kernel To: Andrea Arcangeli , linux-kernel@vger.kernel.org Subject: Re: 2.4.21pre5aa1 Date: Fri, 14 Mar 2003 14:39:07 +0100 User-Agent: KMail/1.4.3 References: <20030314090825.GB1375@dualathlon.random> In-Reply-To: <20030314090825.GB1375@dualathlon.random> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Message-Id: <200303141437.11589.m.c.p@wolk-project.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Friday 14 March 2003 10:08, Andrea Arcangeli wrote: Hi Andrea, > Only in 2.4.21pre5aa1: 22_sched-deadlock-mmdrop-1 > > Backport from 2.5 (in a more icache friendy way) an anti-deadlock > fix for the o1 scheduler that can otherwise send a cross IPI with > irq disabled. I get _tons_ of these messages: Initializing RT netlink socket rq->prev_mm was c025b0e0 set to c025b0e0 - swapper dffddf4c c0115786 c023b1a0 c025b0e0 c025b0e0 dffdc24e dffddfbc dffce02c dffdc000 00000000 dffdc000 dffddfbc c0105000 0008e000 c01072bd 00000700 c0125d00 c02916a8 dffddfbc c0105000 0008e000 00000002 c01e0018 dffd0018 Call Trace: [] [] [] [] [] [] [] [] [] [] [] [] [] rq->prev_mm was c025b0e0 set to c025b0e0 - keventd dffcff4c c0115786 c023b1a0 c025b0e0 c025b0e0 dffce24e 00000011 dffdc02c dffce000 00000000 dffce570 dffce580 dffce256 dffce000 c0125e2d 00000011 dffcffa0 00000000 dffce570 dffce580 dffce000 00000001 00000000 83e58955 Call Trace: [] [] [] [] [] [] rq->prev_mm was c025b0e0 set to c025b0e0 - ksoftirqd_CPU0 dffcdf9c c0115786 c023b1a0 c025b0e0 c025b0e0 dffcc24e dffcc24e dffdc02c dffcc000 00000000 dffcc000 dffcc000 dffcc000 0008e000 c011d8fe dffcc24e c023ae48 00000000 00010f00 dffddfb8 c0105000 c010568e 00000000 c011d880 Call Trace: [] [] [] [] [] Starting kswapd rq->prev_mm was c025b0e0 set to c025b0e0 - kswapd dffcbf84 c0115786 c023b1a0 c025b0e0 c025b0e0 dffca24e 0fe45589 dffdc02c dffca000 00000000 dffca000 dffcbfc4 ffffffff 0008e000 c0134306 c01071c4 00000000 dffca000 c025e490 c025e490 00000000 0008e000 00000000 dffd0018 Call Trace: [] [] [] [] [] [] bigpage subsystem: allocated 0 bigpages (=0MB). rq->prev_mm was c025b0e0 set to c025b0e0 - bdflush dffc9f78 c0115786 c023b1a0 c025b0e0 c025b0e0 dffc824e 3dd3ac3f dffdc02c dffc8000 00000000 00000286 c023afca dffc8256 dffc9fd8 c0115b3f 00000000 dffc8000 c025ee04 c025ee04 00000000 00000282 000001f4 c023afca 000001f4 Call Trace: [] [] [] [] [] [] rq->prev_mm was c025b0e0 set to c025b0e0 - kupdated dffc7f64 c0115786 c023b1a0 c025b0e0 c025b0e0 dffc624e 0001080d dffdc02c dffc6000 00000000 0000021e dffc7fac dffc6000 dffc6000 c0121265 dffc7fac 83080da2 45890cec c02cbb44 c02cbb44 0000021e dffc6000 c01211f0 c02cb320 Call Trace: [] [] [] [] [] [] [] aio_setup: num_physpages = 32760 aio_setup: sizeof(struct page) = 44 .... rq->prev_mm was c40dddc0 set to c40ddf00 - grep cb795f64 c0115786 c023b1a0 c40dddc0 c40ddf00 cb79424e c011bd9d cb7fc02c cb794000 00000000 c16fa7a0 c158d200 cb794000 00000000 c011c1da cb794000 c16fa7a0 cb794000 4012e8c4 00000000 bffff838 c011c233 00000000 c010720f Call Trace: [] [] [] [] [] rq->prev_mm was c40ddf00 set to cb78a0c0 - grep cb789f64 c0115786 c023b1a0 c40ddf00 cb78a0c0 cb78824e c011bd9d cb7fc02c cb788000 00000000 c16fa760 c158d200 cb788000 00000000 c011c1da cb788000 c16fa760 cb788000 4012e8c4 00000000 bffff838 c011c233 00000000 c010720f Call Trace: [] [] [] [] [] Machine: Celeron 1,3GHz, UP, 512MB RAM, IDE. ciao, Marc