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Thu, 23 Nov 2023 11:28:09 +0000 Received: from smtpav06.fra02v.mail.ibm.com (smtpav06.fra02v.mail.ibm.com [10.20.54.105]) by smtprelay05.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 3ANBS85i16908858 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 23 Nov 2023 11:28:08 GMT Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4E2F720049; Thu, 23 Nov 2023 11:28:08 +0000 (GMT) Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 49AAF20040; Thu, 23 Nov 2023 11:28:07 +0000 (GMT) Received: from smtpclient.apple (unknown [9.43.66.99]) by smtpav06.fra02v.mail.ibm.com (Postfix) with ESMTP; Thu, 23 Nov 2023 11:28:07 +0000 (GMT) From: Sachin Sant Content-Type: text/plain; charset=us-ascii Subject: [powerpc] Lockups seen during/just after boot (bisected) Message-Id: <5F8DAEC7-E815-40A5-AD4A-B01296F5165F@linux.ibm.com> Date: Thu, 23 Nov 2023 16:57:56 +0530 Cc: linuxppc-dev , vbabka@suse.cz To: linux-mm@kvack.org, zhouchengming@bytedance.com X-Mailer: Apple Mail (2.3774.200.91.1.1) X-TM-AS-GCONF: 00 X-Proofpoint-GUID: zddTT_0uIcfID3TurDt3mmvEoFNCJorT X-Proofpoint-ORIG-GUID: zddTT_0uIcfID3TurDt3mmvEoFNCJorT Content-Transfer-Encoding: quoted-printable X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-23_09,2023-11-22_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 clxscore=1011 mlxscore=0 adultscore=0 mlxlogscore=598 spamscore=0 lowpriorityscore=0 suspectscore=0 bulkscore=0 priorityscore=1501 malwarescore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2311230082 X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 11D0320018 X-Stat-Signature: tyfkzemfhrox5onyts9bz88en8d5xisy X-Rspam-User: X-HE-Tag: 1700738900-78335 X-HE-Meta: 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 uelSf2np r5g2kDlIE5o4+5E7USrjtap//1ai8Om5qW5TGmZmiDgkkvKcg1lnzgyvy4znW891amfZui9lxkdVu7IZvDjmj3ItXwO/JKcjxzGskxHAawOcBuu1njJ1O30CyvPvdMaVCuEbwirIeBEt+9GNTNOIu7VhO8pLbTyX+BWWR3IitjuSec4caDNy1hrnGj7swej2QsraupX0oNpFaZtm5EBoxPdqEO5b8fGwdUn1C3GfNtW+NF+Y7g+vK0OTn1yWSOBEOyqHcRhGtsDWbp9E7JGpdYv7Z6cgtMIpa/eR0Jxn1WCa3MvYYF0uyQk3AuMDe+sEdVJDPgy3aTx04X/CH+wgf6u/HCA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000001, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: While booting recent -next kernel on IBM Power server, I have observed lock= ups either during boot or just after. [ 3631.015775] watchdog: CPU 3 self-detected hard LOCKUP @ __update_freelis= t_slow+0x74/0x90 [ 3631.015783] watchdog: CPU 3 TB:7766577908812231, last heartbeat TB:77665= 72528409444 (10508ms ago) [ 3631.015784] Modules linked in: rpadlpar_io(E) rpaphp(E) xsk_diag(E) nft_= fib_inet(E) nft_fib_ipv4(E) nft_fib_ipv6(E) nft_fib(E) nft_reject_inet(E) n= f_reject_ipv4(E) nf_reject_ipv6(E) nft_reject(E) nft_ct(E) nft_chain_nat(E)= nf_nat(E) nf_conntrack(E) nf_defrag_ipv6(E) nf_defrag_ipv4(E) bonding(E) t= ls(E) rfkill(E) ip_set(E) nf_tables(E) nfnetlink(E) sunrpc(E) binfmt_misc(E= ) pseries_rng(E) aes_gcm_p10_crypto(E) drm(E) drm_panel_orientation_quirks(= E) xfs(E) libcrc32c(E) sd_mod(E) sr_mod(E) t10_pi(E) crc64_rocksoft_generic= (E) cdrom(E) crc64_rocksoft(E) crc64(E) sg(E) ibmvscsi(E) scsi_transport_sr= p(E) ibmveth(E) vmx_crypto(E) fuse(E) [ 3631.015811] CPU: 3 PID: 167427 Comm: sed Kdump: loaded Tainted: G E 6.7.= 0-rc2-next-20231122 #1 [ 3631.015813] Hardware name: IBM,9080-HEX POWER10 (raw) 0x800200 0xf000006= of:IBM,FW1030.20 (NH1030_058) hv:phyp pSeries [ 3631.015814] NIP: c000000000561f34 LR: c00000000056b108 CTR: c0000000004f= 4c50 [ 3631.015816] REGS: c000000e87743d60 TRAP: 0900 Tainted: G E (6.7.0-rc2-ne= xt-20231122) [ 3631.015817] MSR: 8000000000009033 CR: 42042222 XE= R: 20040000 [ 3631.015822] CFAR: 0000000000000000 IRQMASK: 1=20 [ 3631.015822] GPR00: c000000000096968 c000000e87b43ca0 c000000001522100 c0= 0c00000001d700=20 [ 3631.015822] GPR04: c0000000075f2000 0000000000200009 c0000000075f0000 00= 00000000200008=20 [ 3631.015822] GPR08: 0000000000001000 0000000000000001 003ffff800000a41 c0= 000000b189d000=20 [ 3631.015822] GPR12: c0000000004f4c50 c000000effffcb00 0000000000000000 00= 00000000000000=20 [ 3631.015822] GPR16: 0000000000000001 c000000002b82a80 0000000000000000 00= 00000000000000=20 [ 3631.015822] GPR20: c000000003016c00 0000000000000000 0000000000210d00 c0= 00000e81273978=20 [ 3631.015822] GPR24: 0000000000000000 0000000000000001 c0000000075f0000 c0= 000000075f0000=20 [ 3631.015822] GPR28: c000000e81273900 0000000000200008 c00c00000001d700 c0= 000000075f2000=20 [ 3631.015840] NIP [c000000000561f34] __update_freelist_slow+0x74/0x90 [ 3631.015842] LR [c00000000056b108] __slab_free+0x138/0x4a0 [ 3631.015845] Call Trace: [ 3631.015845] [c000000e87b43ca0] [c00c00000001d700] 0xc00c00000001d700 (un= reliable) [ 3631.015849] [c000000e87b43d80] [c000000000096968] __tlb_remove_table+0xe= 8/0x150 [ 3631.015853] [c000000e87b43db0] [c0000000004f4cac] tlb_remove_table_rcu+0= x5c/0xa0 [ 3631.015856] [c000000e87b43de0] [c000000000243314] rcu_do_batch+0x234/0x6= 80 [ 3631.015859] [c000000e87b43e90] [c000000000247a80] rcu_core+0x170/0x2d0 [ 3631.015862] [c000000e87b43ee0] [c00000000102054c] __do_softirq+0x15c/0x3= c0 [ 3631.015866] [c000000e87b43fe0] [c0000000000182d0] do_softirq_own_stack+0= x40/0x60 [ 3631.015869] [c0000000672f7610] [c000000000170668] __irq_exit_rcu+0x128/0= x150 [ 3631.015872] [c0000000672f7640] [c0000000001711a0] irq_exit+0x20/0x40 [ 3631.015874] [c0000000672f7660] [c00000000002bb58] timer_interrupt+0x128/= 0x310 [ 3631.015876] [c0000000672f76c0] [c000000000009ffc] decrementer_common_vir= t+0x28c/0x290 [ 3631.015879] --- interrupt: 900 at smp_call_function_many_cond+0x1d4/0x6a0 [ 3631.015883] NIP: c000000000298a34 LR: c0000000002989e4 CTR: c0000000000c= 9f50 [ 3631.015884] REGS: c0000000672f76f0 TRAP: 0900 Tainted: G E (6.7.0-rc2-ne= xt-20231122) [ 3631.015885] MSR: 8000000000009033 CR: 44042822 XE= R: 20040000 [ 3631.015888] CFAR: 0000000000000000 IRQMASK: 0=20 [ 3631.015888] GPR00: c000000000298eb0 c0000000672f7990 c000000001522100 00= 00000000000012=20 [ 3631.015888] GPR04: 0000000000000012 0000000000000000 0000000000000000 00= 00000000000012=20 [ 3631.015888] GPR08: c000000002b92058 0000000000000001 c000000e81bdc060 c0= 000000070d0c88=20 [ 3631.015888] GPR12: c0000000000c9f50 c000000effffcb00 0000000000000000 00= 00000000000000=20 [ 3631.015888] GPR16: 0000000000000000 0000000000000003 0000000000000000 c0= 00000008270ff0=20 [ 3631.015888] GPR20: c000000002b961f8 c0000000000a8270 60000000000000e0 c0= 000000070d0680=20 [ 3631.015888] GPR24: 0000000000000000 0000000000000090 c000000e81273d88 c0= 000000070d0680=20 [ 3631.015888] GPR28: c000000e81273d80 c0000000000a9470 c000000e81273d88 c0= 00000002b968b0=20 [ 3631.015906] NIP [c000000000298a34] smp_call_function_many_cond+0x1d4/0x6= a0 [ 3631.015908] LR [c0000000002989e4] smp_call_function_many_cond+0x184/0x6a0 [ 3631.015911] --- interrupt: 900 [ 3631.015912] [c0000000672f7990] [c000000000298eb0] smp_call_function_many= _cond+0x650/0x6a0 (unreliable) [ 3631.015915] [c0000000672f7a50] [c0000000000a8270] flush_type_needed+0x1d= 0/0x260 [ 3631.015917] [c0000000672f7a90] [c0000000000a94ec] radix__flush_tlb_page_= psize+0x5c/0x300 [ 3631.015919] [c0000000672f7b00] [c0000000004fd7f4] ptep_clear_flush+0xa4/= 0x160 [ 3631.015921] [c0000000672f7b50] [c0000000004d9218] wp_page_copy+0x348/0xa= 40 [ 3631.015924] [c0000000672f7c00] [c0000000004e55b0] __handle_mm_fault+0x47= 0/0x8a0 [ 3631.015927] [c0000000672f7d10] [c0000000004e5af4] handle_mm_fault+0x114/= 0x3b0 [ 3631.015929] [c0000000672f7d60] [c0000000000900ac] ___do_page_fault+0x3ec= /0x8c0 [ 3631.015931] [c0000000672f7e20] [c000000000090670] do_page_fault+0x30/0xc0 [ 3631.015933] [c0000000672f7e50] [c000000000008be0] data_access_common_vir= t+0x210/0x220 [ 3631.015935] --- interrupt: 300 at 0x7fff98f81c18 [ 3631.015936] NIP: 00007fff98f81c18 LR: 00007fff98f81c08 CTR: 00007fff98c5= 3380 [ 3631.015937] REGS: c0000000672f7e80 TRAP: 0300 Tainted: G E (6.7.0-rc2-ne= xt-20231122) [ 3631.015938] MSR: 800000000280f033 C= R: 24002422 XER: 20040000 [ 3631.015943] CFAR: 00007fff98f81b0c DAR: 00007fff98fa0000 DSISR: 0a000000= IRQMASK: 0=20 [ 3631.015943] GPR00: 00007fff98ff7d44 00007fffe2816a10 00007fff98fa7f00 00= 007fff98fa0000=20 [ 3631.015943] GPR04: 0000000000000000 0000000000000000 0000000000000000 00= 00000000000000=20 [ 3631.015943] GPR08: 0000000000000000 0000000000000001 0000000000000001 00= 00000000002000=20 [ 3631.015943] GPR12: 00007fff98c53380 00007fff9905bdc0 0000000000000000 00= 00000000000000=20 [ 3631.015943] GPR16: 0000000000000000 0000000000000000 0000000000000000 00= 007fff98f9fb30=20 [ 3631.015943] GPR20: 00007fffe2816aa8 00007fffe2816a80 00007fffe2816a50 00= 007fff99050000=20 [ 3631.015943] GPR24: 0000000000000000 00007fff9904f668 0000000000000000 00= 007fff99050988=20 [ 3631.015943] GPR28: 00007fff99052040 0000000000000000 00007fff99050000 00= 007fffe2816a50=20 [ 3631.015958] NIP [00007fff98f81c18] 0x7fff98f81c18 [ 3631.015959] LR [00007fff98f81c08] 0x7fff98f81c08 [ 3631.015960] --- interrupt: 300 [ 3631.015960] Code: 60000000 60000000 60000000 e9230028 7c292800 4082ffd4 = 39400001 f8c30020 f8e30028 4bffffc4 60000000 7c40003c <60000000> e9230000 7= 1290001 4082fff0 Git bisect points to following patch commit c8d312e039030edab25836a326bcaeb2a3d4db14 slub: Delay freezing of partial slabs Bisect log: git bisect start # status: waiting for both good and bad commits # bad: [288736c822de7fd3b69be317c11eaa8dfb78bf6f] Add linux-next specific f= iles for 20231122 git bisect bad 288736c822de7fd3b69be317c11eaa8dfb78bf6f # status: waiting for good commit(s), bad commit known # good: [98b1cc82c4affc16f5598d4fa14b1858671b2263] Linux 6.7-rc2 git bisect good 98b1cc82c4affc16f5598d4fa14b1858671b2263 # good: [9540131d5721e24c00b118ce852c761285515b26] Merge branch 'main' of g= it://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git git bisect good 9540131d5721e24c00b118ce852c761285515b26 # good: [99444230e9595fc7050292ce284003d7e7d4b53e] Merge branch 'next' of g= it://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git git bisect good 99444230e9595fc7050292ce284003d7e7d4b53e # good: [a95502fad0ab45767b263f46719bba3885e9597c] Merge branch 'next' of g= it://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt.git git bisect good a95502fad0ab45767b263f46719bba3885e9597c # good: [5317edbc82dbfac690f2ff720667291ecf6ccee0] Merge branch 'for-next' = of git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-gpio-intel.git git bisect good 5317edbc82dbfac690f2ff720667291ecf6ccee0 # good: [602bf18307981f3bfd9ebf19921791a4256d3fd1] Merge branch 'for-6.7' i= nto for-next git bisect good 602bf18307981f3bfd9ebf19921791a4256d3fd1 # good: [d5bf2252dd17fa9fa87206862500884e9a342c9b] Merge branch 'for-next' = of git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/samsung.git git bisect good d5bf2252dd17fa9fa87206862500884e9a342c9b # good: [48b10dee6a7a26cc695bf4932f091d423b94b429] Merge branch 'zstd-next'= of https://github.com/terrelln/linux.git git bisect good 48b10dee6a7a26cc695bf4932f091d423b94b429 # good: [f6a4a72703c035882d7595198ce83d021b6b1c96] Merge branch 'for-next' = of git://git.kernel.org/pub/scm/linux/kernel/git/krisman/unicode.git git bisect good f6a4a72703c035882d7595198ce83d021b6b1c96 # bad: [dd374e220ba492f95344a638b1efe5b2744fdd73] slub: Update frozen slabs= documentations in the source git bisect bad dd374e220ba492f95344a638b1efe5b2744fdd73 # good: [a3058965bb35490454953aa2c87ea51004839f2f] slub: Prepare __slab_fre= e() for unfrozen partial slab out of node partial list git bisect good a3058965bb35490454953aa2c87ea51004839f2f # bad: [c8d312e039030edab25836a326bcaeb2a3d4db14] slub: Delay freezing of p= artial slabs git bisect bad c8d312e039030edab25836a326bcaeb2a3d4db14 # good: [00b15a19ee543f0117cb217fcbab8b7b3fd50677] slub: Introduce freeze_s= lab() git bisect good 00b15a19ee543f0117cb217fcbab8b7b3fd50677 # first bad commit: [c8d312e039030edab25836a326bcaeb2a3d4db14] slub: Delay = freezing of partial slabs - Sachin