From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3vHR435D7BzDqCs for ; Tue, 7 Feb 2017 12:06:11 +1100 (AEDT) Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.20/8.16.0.20) with SMTP id v1713ahp032207 for ; Mon, 6 Feb 2017 20:06:09 -0500 Received: from e19.ny.us.ibm.com (e19.ny.us.ibm.com [129.33.205.209]) by mx0a-001b2d01.pphosted.com with ESMTP id 28etucx2f7-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 06 Feb 2017 20:06:08 -0500 Received: from localhost by e19.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 6 Feb 2017 20:06:07 -0500 Received: from b01cxnp23032.gho.pok.ibm.com (b01cxnp23032.gho.pok.ibm.com [9.57.198.27]) by d01dlp02.pok.ibm.com (Postfix) with ESMTP id 742136E803F for ; Mon, 6 Feb 2017 20:05:36 -0500 (EST) Received: from b01ledav002.gho.pok.ibm.com (b01ledav002.gho.pok.ibm.com [9.57.199.107]) by b01cxnp23032.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v171642514024976 for ; Tue, 7 Feb 2017 01:06:04 GMT Received: from b01ledav002.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6CC12124052 for ; Mon, 6 Feb 2017 20:06:04 -0500 (EST) Received: from localhost.localdomain (unknown [9.115.120.216]) by b01ledav002.gho.pok.ibm.com (Postfix) with ESMTP id 282CF124035 for ; Mon, 6 Feb 2017 20:06:04 -0500 (EST) Date: Tue, 7 Feb 2017 09:05:58 +0800 From: Han Pingtian To: linuxppc-dev@lists.ozlabs.org Subject: Re: [RFC] powerpc/pseries: Increase busy loop in pseries_cpu_die References: <1486407496-12151-1-git-send-email-bauerman@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1486407496-12151-1-git-send-email-bauerman@linux.vnet.ibm.com> Message-Id: <20170207010558.GA5493@localhost.localdomain> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Mon, Feb 06, 2017 at 04:58:16PM -0200, Thiago Jung Bauermann wrote: > This was reproduced in v4.10-rc6 as well, but I don't have a crash log > handy for that version right now. Sorry. > This is the crash log of v4.10: roselp4 login: [ 505.097727] sysrq: SysRq : Changing Loglevel [ 505.097743] sysrq: Loglevel set to 9 [ 595.183727] iommu: Removing device 0021:01:00.0 from group 0 [ 605.213053] pci_bus 0021:01: busn_res: [bus 01-ff] is released [ 605.213204] rpadlpar_io: slot PHB 33 removed [ 624.623544] min_free_kbytes is not updated to 16826 because user defined value 547628 is preferred [ 647.574039] cpu 152 (hwid 152) Ready to die... [ 647.803624] cpu 153 (hwid 153) Ready to die... [ 647.813371] cpu 154 (hwid 154) Ready to die... [ 647.823646] cpu 155 (hwid 155) Ready to die... [ 647.833371] cpu 156 (hwid 156) Ready to die... [ 647.843392] cpu 157 (hwid 157) Ready to die... [ 647.853368] cpu 158 (hwid 158) Ready to die... [ 647.863358] cpu 159 (hwid 159) Ready to die... [ 648.233756] cpu 144 (hwid 144) Ready to die... [ 648.383417] cpu 145 (hwid 145) Ready to die... [ 648.383488] cpu 146 (hwid 146) Ready to die... [ 648.383551] cpu 147 (hwid 147) Ready to die... [ 648.402845] cpu 148 (hwid 148) Ready to die... [ 648.403329] cpu 149 (hwid 149) Ready to die... [ 648.403384] cpu 150 (hwid 150) Ready to die... [ 648.413398] cpu 151 (hwid 151) Ready to die... [ 648.583466] cpu 136 (hwid 136) Ready to die... [ 648.833672] cpu 137 (hwid 137) Ready to die... [ 648.843481] cpu 138 (hwid 138) Ready to die... [ 648.843541] cpu 139 (hwid 139) Ready to die... [ 648.843589] cpu 140 (hwid 140) Ready to die... [ 648.843635] cpu 141 (hwid 141) Ready to die... [ 648.853426] cpu 142 (hwid 142) Ready to die... [ 648.863105] Querying DEAD? cpu 142 (142) shows 2 [ 648.863697] cpu 143 (hwid 143) Ready to die... [ 649.013280] cpu 128 (hwid 128) Ready to die... [ 649.253575] cpu 129 (hwid 129) Ready to die... [ 649.253634] cpu 130 (hwid 130) Ready to die... [ 649.253689] cpu 131 (hwid 131) Ready to die... [ 649.253741] cpu 132 (hwid 132) Ready to die... [ 649.253793] cpu 133 (hwid 133) Ready to die... [ 649.253836] cpu 134 (hwid 134) Ready to die... [ 649.253885] cpu 135 (hwid 135) Ready to die... [ 649.353116] cpu 120 (hwid 120) Ready to die... [ 649.553776] cpu 121 (hwid 121) Ready to die... [ 649.563626] Querying DEAD? cpu 122 (122) shows 2 cpu 0x7b: Vector: 400 (Instruction Access) at [c000000007bc7d40] pc: f81f0070801f0078 lr: f81f0070801f0078 sp: ec20d28 msr: 8000000042801000 current = 0xc000000474838600 paca = 0xc000000007b65300 softe: 0 irq_happened: 0x01 pid = 0, comm = swapper/123 Linux version 4.10.0-rc6 (bauermann@u1604le) (gcc version 5.4.0 20160609 (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.4) ) #1 SMP Fri Feb 3 18:55:20 BRST 2017 WARNING: exception is not recoverable, can't continue enter ? for help SP (ec20d28) is in userspace 7b:mon> e cpu 0x7b: Vector: 400 (Instruction Access) at [c000000007bc7d40] pc: f81f0070801f0078 lr: f81f0070801f0078 sp: ec20d28 msr: 8000000042801000 current = 0xc000000474838600 paca = 0xc000000007b65300 softe: 0 irq_happened: 0x01 pid = 0, comm = swapper/123 Linux version 4.10.0-rc6 (bauermann@u1604le) (gcc version 5.4.0 20160609 (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.4) ) #1 SMP Fri Feb 3 18:55:20 BRST 2017 7b:mon>