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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Fri, 13 Jul 2018 03:13:20 -0600 Received: from b03ledav006.gho.boulder.ibm.com (b03ledav006.gho.boulder.ibm.com [9.17.130.237]) by b03cxnp07029.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w6D9DJ4x66650330 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 13 Jul 2018 02:13:19 -0700 Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 28C81C605A; Fri, 13 Jul 2018 03:13:19 -0600 (MDT) Received: from b03ledav006.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9FD3DC6057; Fri, 13 Jul 2018 03:13:13 -0600 (MDT) Received: from [9.195.42.28] (unknown [9.195.42.28]) by b03ledav006.gho.boulder.ibm.com (Postfix) with ESMTP; Fri, 13 Jul 2018 03:13:13 -0600 (MDT) Subject: Re: [next-20180711][Oops] linux-next kernel boot is broken on powerpc From: Abdul Haleem To: Pavel Tatashin Cc: sachinp@linux.vnet.ibm.com, Stephen Rothwell , Michal Hocko , sim@linux.vnet.ibm.com, venkatb3@in.ibm.com, LKML , manvanth@linux.vnet.ibm.com, Linux Memory Management List , linux-next@vger.kernel.org, aneesh.kumar@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org Date: Fri, 13 Jul 2018 14:43:11 +0530 In-Reply-To: References: <1531416305.6480.24.camel@abdul.in.ibm.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 x-cbid: 18071309-0012-0000-0000-0000168B6031 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00009362; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000266; SDB=6.01060670; UDB=6.00544469; IPR=6.00838588; MB=3.00022127; MTD=3.00000008; XFM=3.00000015; UTC=2018-07-13 09:13:22 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18071309-0013-0000-0000-000053A7FECA Message-Id: <1531473191.6480.26.camel@abdul.in.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-07-13_02:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=2 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=838 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1806210000 definitions=main-1807130068 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2018-07-12 at 13:44 -0400, Pavel Tatashin wrote: > > Related commit could be one of below ? I see lots of patches related to mm and could not bisect > > > > 5479976fda7d3ab23ba0a4eb4d60b296eb88b866 mm: page_alloc: restore memblock_next_valid_pfn() on arm/arm64 > > 41619b27b5696e7e5ef76d9c692dd7342c1ad7eb mm-drop-vm_bug_on-from-__get_free_pages-fix > > 531bbe6bd2721f4b66cdb0f5cf5ac14612fa1419 mm: drop VM_BUG_ON from __get_free_pages > > 479350dd1a35f8bfb2534697e5ca68ee8a6e8dea mm, page_alloc: actually ignore mempolicies for high priority allocations > > 088018f6fe571444caaeb16e84c9f24f22dfc8b0 mm: skip invalid pages block at a time in zero_resv_unresv() > > Looks like: > 0ba29a108979 mm/sparse: Remove CONFIG_SPARSEMEM_ALLOC_MEM_MAP_TOGETHER > > This patch is going to be reverted from linux-next. Abdul, please > verify that issue is gone once you revert this patch. kernel booted fine when the above patch is reverted. -- Regard's Abdul Haleem IBM Linux Technology Centre