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Thu, 10 Apr 2025 11:38:28 GMT Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B92BA20040; Thu, 10 Apr 2025 11:38:28 +0000 (GMT) Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2542920043; Thu, 10 Apr 2025 11:38:25 +0000 (GMT) Received: from li-3c92a0cc-27cf-11b2-a85c-b804d9ca68fa.ibm.com (unknown [9.39.22.212]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTPS; Thu, 10 Apr 2025 11:38:24 +0000 (GMT) Date: Thu, 10 Apr 2025 17:08:22 +0530 From: Aditya Gupta To: Gavin Shan Cc: linux-mm@kvack.org, Andrew Morton , Danilo Krummrich , David Hildenbrand , Greg Kroah-Hartman , Mahesh J Salgaonkar , Oscar Salvador , "Rafael J. Wysocki" , Sourabh Jain , linux-kernel@vger.kernel.org, Gavin Shan Subject: Re: [REPORT] Softlockups on PowerNV with upstream Message-ID: References: <20250409180344.477916-1-adityag@linux.ibm.com> <0f89dd7e-937b-4575-855b-561ff6e932e5@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <0f89dd7e-937b-4575-855b-561ff6e932e5@redhat.com> X-TM-AS-GCONF: 00 X-Proofpoint-GUID: a2heboet1YIXmZdWOMR_T2-ClXMNkMAh X-Proofpoint-ORIG-GUID: k645CBo8c_4tnEQs8bhx9ftcvjQMx6fY X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1095,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-04-10_02,2025-04-08_04,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=564 bulkscore=0 impostorscore=0 mlxscore=0 suspectscore=0 clxscore=1011 priorityscore=1501 spamscore=0 malwarescore=0 lowpriorityscore=0 adultscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2502280000 definitions=main-2504100086 X-Rspam-User: X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 25D2A40004 X-Stat-Signature: kan8f93woqb5iqp9j3hmyzgokj5dh9jo X-HE-Tag: 1744285116-424092 X-HE-Meta: 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 kw9KBDwd dDBI4u+C3X3z+7JreOxWJawImVEeq51+NExqftIYqgVVkgTfoSq/sQl1O+bl+ZqfrJkrRtKM7g8jTIQSdeQEbdQEtu2KKHgKOcCFE77lwfwHNTgjzljpqIvhQg6Gx3r9HShnLWEQldW4B/4IkbSYSShCsuG2jKo/YyIpgBEZsqKxl3YPbMXgsloqLemWOAHuyB2XUSdF2rtwaMV6v1oB+lHfeeN5ekq1Op0esgzAuzDzBUxZqdEhQiv+rOAUKWgsj1cWsP04a0enE7T+Hi8nYMz3TAt9IszIPLY48 X-Bogosity: Ham, tests=bogofilter, spamicity=0.308363, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Gavin, Sorry for the late reply. On 25/04/10 11:35AM, Gavin Shan wrote: > > [ 2.783371] smp: Brought up 4 nodes, 256 CPUs > > [ 2.783475] numa: Node 0 CPUs: 0-63 > > [ 2.783537] numa: Node 2 CPUs: 64-127 > > [ 2.783591] numa: Node 4 CPUs: 128-191 > > [ 2.783653] numa: Node 6 CPUs: 192-255 > > [ 2.804945] Memory: 735777792K/738197504K available (17536K kernel code, 5760K rwdata, 15232K rodata, 6528K init, 2517K bss, 1369664K reserved, 0K cma-reserved) > > The NUMA node number leaps by one. It seems the machine has 800GB memory if I'm correct. Yes Gavin, almost 700G: # lsmem RANGE SIZE STATE REMOVABLE BLOCK 0x0000000000000000-0x0000001fffffffff 128G online yes 0-127 0x0000400000000000-0x0000400fffffffff 64G online yes 65536-65599 0x0000800000000000-0x0000803fffffffff 256G online yes 131072-131327 0x0000c00000000000-0x0000c03fffffffff 256G online yes 196608-196863 Memory block size: 1G Total online memory: 704G Total offline memory: 0B Thanks, - Aditya G