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Violators will be prosecuted; Wed, 22 Nov 2017 18:55:03 -0000 Received: from d06av26.portsmouth.uk.ibm.com (d06av26.portsmouth.uk.ibm.com [9.149.105.62]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id vAMIt2Br34996268; Wed, 22 Nov 2017 18:55:02 GMT Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 29B85AE04D; Wed, 22 Nov 2017 18:48:18 +0000 (GMT) Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D5401AE051; Wed, 22 Nov 2017 18:48:16 +0000 (GMT) Received: from icon-9-164-181-241.megacenter.de.ibm.com (unknown [9.164.181.241]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Wed, 22 Nov 2017 18:48:16 +0000 (GMT) Date: Wed, 22 Nov 2017 19:54:54 +0100 (CET) From: Sebastian Ott X-X-Sender: sebott@schleppi To: Will Deacon cc: Peter Zijlstra , Ingo Molnar , Martin Schwidefsky , Heiko Carstens , linux-kernel@vger.kernel.org Subject: Re: [bisected] system hang after boot In-Reply-To: <20171122182659.GA22648@arm.com> References: <20171122182659.GA22648@arm.com> User-Agent: Alpine 2.21 (LFD 202 2017-01-01) Organization: =?ISO-8859-15?Q?=22IBM_Deutschland_Research_&_Development_GmbH?= =?ISO-8859-15?Q?_=2F_Vorsitzende_des_Aufsichtsrats=3A_Martina?= =?ISO-8859-15?Q?_Koederitz_Gesch=E4ftsf=FChrung=3A_Dirk_Wittkopp?= =?ISO-8859-15?Q?_Sitz_der_Gesellschaft=3A_B=F6blingen_=2F_Reg?= =?ISO-8859-15?Q?istergericht=3A_Amtsgericht_Stuttgart=2C_HRB_2432?= =?ISO-8859-15?Q?94=22?= MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-TM-AS-GCONF: 00 x-cbid: 17112218-0012-0000-0000-000005907B7D X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17112218-0013-0000-0000-0000190B5082 Message-Id: X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-11-22_05:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=3 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1709140000 definitions=main-1711220249 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello Will, On Wed, 22 Nov 2017, Will Deacon wrote: > Now, I can't see what the break_lock is doing here other than causing > problems. Is there a good reason for it, or can you just try removing it > altogether? Patch below. With your patch applied the system is able to boot again. I did some quick additional tests - seems to be working fine. Thanks, Sebastian From 1584791834593365149@xxx Wed Nov 22 18:27:49 +0000 2017 X-GM-THRID: 1584789385193417838 X-Gmail-Labels: Inbox,Category Forums,HistoricalUnread