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McKenney" , "Gautham R. Shenoy" , Florian Weimer , Tim Chen , Yury Norov References: <20251029123717.886619142@linutronix.de> <47e73026-390e-40d6-a860-10e9378a3bf3@linux.ibm.com> <87ecqisw2h.ffs@tglx> Content-Language: en-US From: Shrikanth Hegde In-Reply-To: <87ecqisw2h.ffs@tglx> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTAxMDAyMSBTYWx0ZWRfX5x0Ux1rQ7MGm XvSm6IjGsf32oT3WwG2vkAZLAj3Nkgs4k+dEOazcteDTlOVITtsbIB2tPEuJiAZlfZvKpZE+ULz Rycj18Ph+xdwnDKeXZgSNkmLlLtNayDPUYVTxl3suwTrE6Ogg09O2gbwDG2CNbQGWWcyM67c5zv fWwoSp2Ns2ihlUG5/aR8LEuNuhk2tuIV8A89PxS4TSGZwy0yd7h2/7UBuYpX9XNpglpTnns0T4w UiNuN+YzEPQJnR5M3HL23nsyh+H4o8o/7l5XL/yGAY9iUOZENnB1/FD0FAlRT9LcAVzOMH0PD6h r+famzfPrJRroy7IMHSkFhDIjaNZP7Z8Z/u3eRbNGVFOrFUApWPg2gkH0Fcj2uSlxpmGlNaY+mJ tan/sZWBp0SXLbyuDUgqlxcspUi8lQ== X-Proofpoint-GUID: LgZoCtd8AR86LuaX1gC0B4A5u9zuUlXi X-Authority-Analysis: v=2.4 cv=OdCVzxTY c=1 sm=1 tr=0 ts=6905bd21 cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=IkcTkHD0fZMA:10 a=6UeiqGixMTsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=w-UqUKPv55kzaV5c4kIA:9 a=QEXdDO2ut3YA:10 a=cPQSjfK2_nFv0Q5t_7PE:22 X-Proofpoint-ORIG-GUID: TALgBEPv3_sGAvWoFUSGCA25QXEeV8SV X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-01_01,2025-10-29_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 adultscore=0 spamscore=0 suspectscore=0 impostorscore=0 lowpriorityscore=0 priorityscore=1501 clxscore=1015 phishscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510240000 definitions=main-2511010021 On 11/1/25 1:06 AM, Thomas Gleixner wrote: > On Thu, Oct 30 2025 at 12:10, Shrikanth Hegde wrote: >>> I am running into crash at boot on power10 pseries. >>> Thought of putting it here first. Me trying to figure out why. >>> >>> I am using your tree. >>> git://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git > > Can you update and revalidate? There are a couple of fixes there though > I don't know how they would be related. Tried with latest. It boots fine with NR_CPUS=8192. at commit: commit 870c1793316eddb6f8c9814f830f237e6e1c40ee (origin/rseq/cid) Author: Thomas Gleixner Date: Tue Oct 14 10:51:04 2025 +0200 sched/mmcid: Switch over to the new mechanism