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<6f213521-6baa-47a3-91bd-6ec54acca076@linux.ibm.com> Date: Thu, 16 Oct 2025 20:00:45 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [mainline]Kernel Boot Warings at arch/powerpc/mm/mem.c:341 From: Sourabh Jain To: Venkat Rao Bagalkote , linuxppc-dev , LKML , Madhavan Srinivasan , Baoquan He References: <90937fe0-2e76-4c82-b27e-7b8a7fe3ac69@linux.ibm.com> <7b9f9ca0-a6d8-40d0-8195-bbf81377e866@linux.ibm.com> Content-Language: en-US In-Reply-To: <7b9f9ca0-a6d8-40d0-8195-bbf81377e866@linux.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: XWs6YeKTHds7XJr-JvTYslgJYu5Zc9bq X-Authority-Analysis: v=2.4 cv=eJkeTXp1 c=1 sm=1 tr=0 ts=68f1019b cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=IkcTkHD0fZMA:10 a=x6icFKpwvdMA:10 a=VkNPw1HP01LnGYTKEx00:22 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priorityscore=1501 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510020000 definitions=main-2510110014 Hello Venkat, On 16/10/25 15:21, Sourabh Jain wrote: > > > On 10/10/25 11:15, Venkat Rao Bagalkote wrote: >> Greetings!!! >> >> >> IBM CI has reported kernel boot warnings on the mainline kernel on >> IBM Power11 system. >> >> >> Attached is the .config file. >> >> Traces: >> >> >> [    0.040098] plpks: POWER LPAR Platform KeyStore is not supported >> or enabled >> [    0.043041] ------------[ cut here ]------------ >> [    0.043045] WARNING: CPU: 0 PID: 1 at arch/powerpc/mm/mem.c:341 >> add_system_ram_resources+0xfc/0x180 >> [    0.043058] Modules linked in: >> [    0.043065] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted >> 6.17.0-auto-12607-g5472d60c129f #1 VOLUNTARY >> [    0.043072] Hardware name: IBM,9080-HEX Power11 (architected) >> 0x820200 0xf000007 of:IBM,FW1110.01 (NH1110_069) hv:phyp pSeries >> [    0.043078] NIP:  c00000000201de3c LR: c00000000201de34 CTR: >> 0000000000000000 >> [    0.043082] REGS: c000000127cef8a0 TRAP: 0700   Not tainted >> (6.17.0-auto-12607-g5472d60c129f) >> [    0.043088] MSR:  8000000002029033   CR: >> 84000840  XER: 20040010 >> [    0.043099] CFAR: c00000000017eed0 IRQMASK: 0 >> [    0.043099] GPR00: c00000000201de34 c000000127cefb40 >> c0000000016a8100 0000000000000001 >> [    0.043099] GPR04: c00000012005aa00 0000000020000000 >> c000000002b705c8 0000000000000000 >> [    0.043099] GPR08: 000000007fffffff fffffffffffffff0 >> c000000002db8100 000000011fffffff >> [    0.043099] GPR12: c00000000201dd40 c000000002ff0000 >> c0000000000112bc 0000000000000000 >> [    0.043099] GPR16: 0000000000000000 0000000000000000 >> 0000000000000000 0000000000000000 >> [    0.043099] GPR20: 0000000000000000 0000000000000000 >> 0000000000000000 c0000000015a3808 >> [    0.043099] GPR24: c00000000200468c c000000001699888 >> 0000000000000106 c0000000020d1950 >> [    0.043099] GPR28: c0000000014683f8 0000000081000200 >> c0000000015c1868 c000000002b9f710 >> [    0.043138] NIP [c00000000201de3c] >> add_system_ram_resources+0xfc/0x180 >> [    0.043143] LR [c00000000201de34] add_system_ram_resources+0xf4/0x180 >> [    0.043148] Call Trace: >> [    0.043150] [c000000127cefb40] [c00000000201de34] >> add_system_ram_resources+0xf4/0x180 (unreliable) >> [    0.043157] [c000000127cefba0] [c000000000010eb4] >> do_one_initcall+0x60/0x36c >> [    0.043162] [c000000127cefc80] [c0000000020068cc] >> do_initcalls+0x120/0x220 >> [    0.043169] [c000000127cefd30] [c000000002006cbc] >> kernel_init_freeable+0x23c/0x390 >> [    0.043174] [c000000127cefde0] [c0000000000112e8] >> kernel_init+0x34/0x26c >> [    0.043178] [c000000127cefe50] [c00000000000df7c] >> ret_from_kernel_user_thread+0x14/0x1c >> [    0.043181] ---- interrupt: 0 at 0x0 >> [    0.043186] Code: 3d02010c e9210028 e9410020 fb840010 fba40018 >> 38685b48 3929ffff f9440000 f9240008 4a161035 60000000 54630ffe >> <0b030000> 39210028 39400000 39010020 >> [    0.043197] ---[ end trace 0000000000000000 ]--- >> [    0.043202] ------------[ cut here ]------------ >> [    0.043203] WARNING: CPU: 0 PID: 1 at arch/powerpc/mm/mem.c:341 >> add_system_ram_resources+0xfc/0x180 >> [    0.043209] Modules linked in: >> [    0.043212] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W      >>      6.17.0-auto-12607-g5472d60c129f #1 VOLUNTARY >> [    0.043217] Tainted: [W]=WARN >> [    0.043219] Hardware name: IBM,9080-HEX Power11 (architected) >> 0x820200 0xf000007 of:IBM,FW1110.01 (NH1110_069) hv:phyp pSeries >> [    0.043223] NIP:  c00000000201de3c LR: c00000000201de34 CTR: >> 0000000000000000 >> [    0.043226] REGS: c000000127cef8a0 TRAP: 0700   Tainted: G W       >>     (6.17.0-auto-12607-g5472d60c129f) >> [    0.043229] MSR:  8000000002029033   CR: >> 84000440  XER: 20040010 >> [    0.043237] CFAR: c00000000017eed0 IRQMASK: 0 >> [    0.043237] GPR00: c00000000201de34 c000000127cefb40 >> c0000000016a8100 0000000000000001 >> [    0.043237] GPR04: c00000012005a9c0 0000000020000000 >> c000000002b705c8 0000000080000000 >> [    0.043237] GPR08: 000000257fffffff fffffffffffffff0 >> c000000002db8100 000000011fffffff >> [    0.043237] GPR12: c00000000201dd40 c000000002ff0000 >> c0000000000112bc 0000000000000000 >> [    0.043237] GPR16: 0000000000000000 0000000000000000 >> 0000000000000000 0000000000000000 >> [    0.043237] GPR20: 0000000000000000 0000000000000000 >> 0000000000000000 c0000000015a3808 >> [    0.043237] GPR24: c00000000200468c c000000001699888 >> 0000000000000106 c0000000020d1950 >> [    0.043237] GPR28: c0000000014683f8 0000000081000200 >> c0000000015c1868 c000000002b9f710 >> [    0.043271] NIP [c00000000201de3c] >> add_system_ram_resources+0xfc/0x180 >> [    0.043276] LR [c00000000201de34] add_system_ram_resources+0xf4/0x180 >> [    0.043280] Call Trace: >> [    0.043281] [c000000127cefb40] [c00000000201de34] >> add_system_ram_resources+0xf4/0x180 (unreliable) >> [    0.043287] [c000000127cefba0] [c000000000010eb4] >> do_one_initcall+0x60/0x36c >> [    0.043291] [c000000127cefc80] [c0000000020068cc] >> do_initcalls+0x120/0x220 >> [    0.043296] [c000000127cefd30] [c000000002006cbc] >> kernel_init_freeable+0x23c/0x390 >> [    0.043301] [c000000127cefde0] [c0000000000112e8] >> kernel_init+0x34/0x26c >> [    0.043305] [c000000127cefe50] [c00000000000df7c] >> ret_from_kernel_user_thread+0x14/0x1c >> [    0.043308] ---- interrupt: 0 at 0x0 >> [    0.043311] Code: 3d02010c e9210028 e9410020 fb840010 fba40018 >> 38685b48 3929ffff f9440000 f9240008 4a161035 60000000 54630ffe >> <0b030000> 39210028 39400000 39010020 >> [    0.043322] ---[ end trace 0000000000000000 ]--- >> [    0.043520] kprobes: kprobe jump-optimization is enabled. Al > Please try the below fix: https://lore.kernel.org/all/20251016142831.144515-1-sourabhjain@linux.ibm.com/ Thanks, Sourabh Jain