From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e23smtp02.au.ibm.com (E23SMTP02.au.ibm.com [202.81.18.163]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e23smtp02.au.ibm.com", Issuer "Equifax" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id 462B2DDF1D for ; Tue, 1 Apr 2008 00:52:19 +1000 (EST) Received: from d23relay03.au.ibm.com (d23relay03.au.ibm.com [202.81.18.234]) by e23smtp02.au.ibm.com (8.13.1/8.13.1) with ESMTP id m2VEqLP5026561 for ; Tue, 1 Apr 2008 01:52:21 +1100 Received: from d23av02.au.ibm.com (d23av02.au.ibm.com [9.190.235.138]) by d23relay03.au.ibm.com (8.13.8/8.13.8/NCO v8.7) with ESMTP id m2VEqFQG3838114 for ; Tue, 1 Apr 2008 01:52:15 +1100 Received: from d23av02.au.ibm.com (loopback [127.0.0.1]) by d23av02.au.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id m2VEqEIU002877 for ; Tue, 1 Apr 2008 00:52:14 +1000 Message-ID: <47F0FA9B.5070807@linux.vnet.ibm.com> Date: Mon, 31 Mar 2008 20:22:11 +0530 From: Kamalesh Babulal MIME-Version: 1.0 To: kernel list Subject: [BUG] 2.6.24.4 - kernel bug at kernel/sched.c:5154! Content-Type: text/plain; charset=ISO-8859-1 Cc: linuxppc-dev@ozlabs.org, mingo@elte.hu, Dhaval Giani , Balbir Singh List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi, The 2.6.24.4 kernel panic's while booting up on powerpc, The kernel was compiled with allmodconfig. (please let me know if the .config file is needed) [ 0.000000] Kernel command line: ro console=hvc0 rhgb quiet root=LABEL=/1 autobench_args: root=/dev/sda3 ABAT:1206964330 [ 0.103959] BUG: scheduling while atomic: kthreadd/2/0x0007431c [ 0.104051] BUG: scheduling while atomic: kthreadd/3/0xbe118168 [ 0.104119] ------------[ cut here ]------------ [ 0.104127] kernel BUG at kernel/sched.c:5154! cpu 0x0: Vector: 700 (Program Check) at [c0000001be11bd70] pc: c000000000070b34: .migration_thread+0x64/0x31c lr: c000000000093878: .kthread+0x78/0xc4 sp: c0000001be11bff0 msr: 8000000000029032 current = 0xc0000000ee0ed740 paca = 0xc000000000497500 pid = 3, comm = kthreadd kernel BUG at kernel/sched.c:5154! enter ? for help [c0000001be11c0b0] c000000000093878 .kthread+0x78/0xc4 [c0000001be11c140] c00000000002906c .kernel_thread+0x4c/0x68 0:mon> r R00 = 0000000000000001 R16 = 0000000000000000 R01 = c0000001be11bff0 R17 = 0000000000000000 R02 = c00000000053ab90 R18 = 0000000000000000 R03 = 0000000000000000 R19 = 4000000001c00000 R04 = c0000000ee0ed740 R20 = c000000000453218 R05 = 0000000000000000 R21 = 0000000002053488 R06 = c000000000497500 R22 = 00000000002c2000 R07 = c0000001be1181b0 R23 = c000000000453488 R08 = 0000000000000000 R24 = 0000000002053218 R09 = c0000000ee0ed73f R25 = 0000000000000000 R10 = fffffffffffffffc R26 = c0000000005d40f8 R11 = c000000000497500 R27 = c0000000005d00b0 R12 = c00000000002906c R28 = c0000001be0c3ca8 R13 = c000000000497500 R29 = c000000000685c00 R14 = 0000000000000000 R30 = c0000000004f7210 R15 = 0000000000000000 R31 = c00000000050c788 pc = c000000000070b34 .migration_thread+0x64/0x31c lr = c000000000093878 .kthread+0x78/0xc4 msr = 8000000000029032 cr = 28000024 ctr = c000000000070ad0 xer = 0000000020000004 trap = 700 0:mon> t [c0000001be11c0b0] c000000000093878 .kthread+0x78/0xc4 [c0000001be11c140] c00000000002906c .kernel_thread+0x4c/0x68 0:mon> S msr = 8000000000001032 sprg0= 0000000000000000 pvr = 00000000003b0200 sprg1= c000000000497500 dec = 00000000c4ac67ed sprg2= c000000000497500 sp = c0000001be11b620 sprg3= c000000000497500 toc = c00000000053ab90 dar = 0000000000000000 0xc000000000070b34 is in migration_thread (kernel/sched.c:5154). 5149 { 5150 int cpu = (long)data; 5151 struct rq *rq; 5152 5153 rq = cpu_rq(cpu); 5154 BUG_ON(rq->migration_thread != current); 5155 5156 set_current_state(TASK_INTERRUPTIBLE); 5157 while (!kthread_should_stop()) { 5158 struct migration_req *req; -- Thanks & Regards, Kamalesh Babulal, Linux Technology Center, IBM, ISTL.