crash 8.0.0++ Copyright (C) 2002-2021 Red Hat, Inc. Copyright (C) 2004, 2005, 2006, 2010 IBM Corporation Copyright (C) 1999-2006 Hewlett-Packard Co Copyright (C) 2005, 2006, 2011, 2012 Fujitsu Limited Copyright (C) 2006, 2007 VA Linux Systems Japan K.K. Copyright (C) 2005, 2011, 2020-2021 NEC Corporation Copyright (C) 1999, 2002, 2007 Silicon Graphics, Inc. Copyright (C) 1999, 2000, 2001, 2002 Mission Critical Linux, Inc. Copyright (C) 2015, 2021 VMware, Inc. This program is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Enter "help copying" to see the conditions. This program has absolutely no warranty. Enter "help warranty" for details. NOTE: stdin: not a tty GNU gdb (GDB) 10.2 Copyright (C) 2021 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. 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(determining panic task) KERNEL: /tmp/crash-anaysis.tELfw/vmlinux [TAINTED] DUMPFILE: /exports/testreports/70067/testresults/sanity-compr-special1-zfs-DNE-rocky8.10_x86_64-rocky8.10_x86_64/oleg644-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Thu Sep 10 16:17:20 EDT 2026 UPTIME: 00:05:51 LOAD AVERAGE: 1.32, 1.03, 0.48 TASKS: 404 NODENAME: oleg644-server.virtnet RELEASE: 4.18.0rh8.10-debug VERSION: #2 SMP Mon Jul 14 01:24:22 EDT 2025 MACHINE: x86_64 (2399 Mhz) MEMORY: 4.1 GB PANIC: "BUG: unable to handle kernel NULL pointer dereference at 000000000000002e" PID: 8080 COMMAND: "ll_ost_io00_002" TASK: ffff8e9988a30000 [THREAD_INFO: ffff8e9988a30000] CPU: 0 STATE: TASK_RUNNING (PANIC) Setting scroll off while initializing PyKdump /usr/local/crash/mpykdump.so: shared object loaded ./lustre.so: shared object loaded mod: cannot find or load object file for sha512_generic module mod: cannot find or load object file for sha512_ssse3 module mod: cannot find or load object file for dm_mod module mod: cannot find or load object file for dm_log module mod: cannot find or load object file for dm_region_hash module mod: cannot find or load object file for dm_mirror module mod: cannot find or load object file for libata module mod: cannot find or load object file for ghash_clmulni_intel module mod: cannot find or load object file for crct10dif_pclmul module mod: cannot find or load object file for crc32_pclmul module mod: cannot find or load object file for ata_generic module mod: cannot find or load object file for pcspkr module mod: cannot find or load object file for intel_rapl_msr module mod: cannot find or load object file for serio_raw module mod: cannot find or load object file for ata_piix module mod: cannot find or load object file for i2c_piix4 module mod: cannot find or load object file for dns_resolver module mod: cannot find or load object file for crc32c_intel module mod: cannot find or load object file for squashfs module mod: cannot find or load object file for sb_edac module mod: cannot find or load object file for rapl module mod: cannot find or load object file for rpcsec_gss_krb5 module mod: cannot find or load object file for intel_rapl_common module mod: cannot find or load object file for nfsv4 module mod: cannot find or load object file for auth_rpcgss module MODULE NAME BASE SIZE OBJECT FILE ffffffffc05f6c80 fld ffffffffc05e4000 126976 /tmp/crash-anaysis.tELfw/modules/fld.ko ffffffffc0616740 ec ffffffffc0604000 81920 /tmp/crash-anaysis.tELfw/modules/ec.ko mod: cannot find or load object file for spl module mod: cannot find or load object file for zfs module ffffffffc0f6b740 libcfs ffffffffc0f4b000 225280 /tmp/crash-anaysis.tELfw/modules/libcfs.ko ffffffffc105e3c0 lnet ffffffffc0f83000 1490944 /tmp/crash-anaysis.tELfw/modules/lnet.ko ffffffffc1119900 ksocklnd ffffffffc10f0000 270336 /tmp/crash-anaysis.tELfw/modules/ksocklnd.ko ffffffffc127a180 obdclass ffffffffc1133000 4415488 /tmp/crash-anaysis.tELfw/modules/obdclass.ko ffffffffc17f60c0 ptlrpc ffffffffc156a000 4173824 /tmp/crash-anaysis.tELfw/modules/ptlrpc.ko ffffffffc19b4880 ptlrpc_gss ffffffffc1966000 524288 /tmp/crash-anaysis.tELfw/modules/ptlrpc_gss.ko ffffffffc19f9ac0 fid ffffffffc19e7000 126976 /tmp/crash-anaysis.tELfw/modules/fid.ko ffffffffc1a44080 lmv ffffffffc1a07000 372736 /tmp/crash-anaysis.tELfw/modules/lmv.ko ffffffffc1ae6480 osc ffffffffc1a63000 794624 /tmp/crash-anaysis.tELfw/modules/osc.ko ffffffffc1b7eb00 lov ffffffffc1b26000 552960 /tmp/crash-anaysis.tELfw/modules/lov.ko ffffffffc1bf8b80 mdc ffffffffc1bae000 466944 /tmp/crash-anaysis.tELfw/modules/mdc.ko ffffffffc1c3d000 mgc ffffffffc1c21000 184320 /tmp/crash-anaysis.tELfw/modules/mgc.ko ffffffffc1c705c0 obdecho ffffffffc1c4f000 225280 /tmp/crash-anaysis.tELfw/modules/obdecho.ko ffffffffc1d41340 lfsck ffffffffc1c87000 1081344 /tmp/crash-anaysis.tELfw/modules/lfsck.ko ffffffffc1e10240 lquota ffffffffc1d90000 786432 /tmp/crash-anaysis.tELfw/modules/lquota.ko ffffffffc1ebcb80 osd_zfs ffffffffc1e51000 659456 /tmp/crash-anaysis.tELfw/modules/osd_zfs.ko ffffffffc1f56400 mgs ffffffffc1ef3000 626688 /tmp/crash-anaysis.tELfw/modules/mgs.ko ffffffffc20080c0 mdd ffffffffc1f8d000 745472 /tmp/crash-anaysis.tELfw/modules/mdd.ko ffffffffc2152900 mdt ffffffffc2044000 1654784 /tmp/crash-anaysis.tELfw/modules/mdt.ko ffffffffc2286900 lod ffffffffc21d9000 1064960 /tmp/crash-anaysis.tELfw/modules/lod.ko ffffffffc234de40 ofd ffffffffc22de000 692224 /tmp/crash-anaysis.tELfw/modules/ofd.ko ffffffffc23e3f80 osp ffffffffc2388000 573440 /tmp/crash-anaysis.tELfw/modules/osp.ko ffffffffc254b780 lustre ffffffffc2415000 1925120 /tmp/crash-anaysis.tELfw/modules/lustre.ko lustre_walk_cpus(0, 5, 1) cmd p (*cfs_trace_data[0])[0].tcd.tcd_cur_pages // p (*cfs_trace_data[0])[0].tcd.tcd_pages.next lustre_walk_trace_pages(0, 5, 0xffff8e99a155b588) lustre_walk_cpus(0, 5, 2) cmd p (*cfs_trace_data[0])[0].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[0])[0].tcd.tcd_daemon_pages.next lustre: Dumped 237 debug pages from type 0 - CPU 0 lustre_walk_cpus(1, 5, 1) cmd p (*cfs_trace_data[0])[1].tcd.tcd_cur_pages // p (*cfs_trace_data[0])[1].tcd.tcd_pages.next lustre_walk_trace_pages(1, 5, 0xffff8e9987b31228) lustre_walk_cpus(1, 5, 2) cmd p (*cfs_trace_data[0])[1].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[0])[1].tcd.tcd_daemon_pages.next lustre: Dumped 227 debug pages from type 0 - CPU 1 lustre_walk_cpus(2, 5, 1) cmd p (*cfs_trace_data[0])[2].tcd.tcd_cur_pages // p (*cfs_trace_data[0])[2].tcd.tcd_pages.next lustre_walk_trace_pages(2, 5, 0xffff8e99886893a8) lustre_walk_cpus(2, 5, 2) cmd p (*cfs_trace_data[0])[2].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[0])[2].tcd.tcd_daemon_pages.next lustre: Dumped 230 debug pages from type 0 - CPU 2 lustre_walk_cpus(3, 5, 1) cmd p (*cfs_trace_data[0])[3].tcd.tcd_cur_pages // p (*cfs_trace_data[0])[3].tcd.tcd_pages.next lustre_walk_trace_pages(3, 5, 0xffff8e999a3c9688) lustre_walk_cpus(3, 5, 2) cmd p (*cfs_trace_data[0])[3].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[0])[3].tcd.tcd_daemon_pages.next lustre: Dumped 230 debug pages from type 0 - CPU 3 lustre_walk_cpus(0, 5, 1) cmd p (*cfs_trace_data[1])[0].tcd.tcd_cur_pages // p (*cfs_trace_data[1])[0].tcd.tcd_pages.next lustre_walk_cpus(0, 5, 2) cmd p (*cfs_trace_data[1])[0].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[1])[0].tcd.tcd_daemon_pages.next lustre: Dumped 0 debug pages from type 1 - CPU 0 lustre_walk_cpus(1, 5, 1) cmd p (*cfs_trace_data[1])[1].tcd.tcd_cur_pages // p (*cfs_trace_data[1])[1].tcd.tcd_pages.next lustre_walk_cpus(1, 5, 2) cmd p (*cfs_trace_data[1])[1].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[1])[1].tcd.tcd_daemon_pages.next lustre: Dumped 0 debug pages from type 1 - CPU 1 lustre_walk_cpus(2, 5, 1) cmd p (*cfs_trace_data[1])[2].tcd.tcd_cur_pages // p (*cfs_trace_data[1])[2].tcd.tcd_pages.next lustre_walk_cpus(2, 5, 2) cmd p (*cfs_trace_data[1])[2].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[1])[2].tcd.tcd_daemon_pages.next lustre: Dumped 0 debug pages from type 1 - CPU 2 lustre_walk_cpus(3, 5, 1) cmd p (*cfs_trace_data[1])[3].tcd.tcd_cur_pages // p (*cfs_trace_data[1])[3].tcd.tcd_pages.next lustre_walk_cpus(3, 5, 2) cmd p (*cfs_trace_data[1])[3].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[1])[3].tcd.tcd_daemon_pages.next lustre: Dumped 0 debug pages from type 1 - CPU 3 lustre_walk_cpus(0, 5, 1) cmd p (*cfs_trace_data[2])[0].tcd.tcd_cur_pages // p (*cfs_trace_data[2])[0].tcd.tcd_pages.next lustre_walk_cpus(0, 5, 2) cmd p (*cfs_trace_data[2])[0].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[2])[0].tcd.tcd_daemon_pages.next lustre: Dumped 0 debug pages from type 2 - CPU 0 lustre_walk_cpus(1, 5, 1) cmd p (*cfs_trace_data[2])[1].tcd.tcd_cur_pages // p (*cfs_trace_data[2])[1].tcd.tcd_pages.next lustre_walk_cpus(1, 5, 2) cmd p (*cfs_trace_data[2])[1].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[2])[1].tcd.tcd_daemon_pages.next lustre: Dumped 0 debug pages from type 2 - CPU 1 lustre_walk_cpus(2, 5, 1) cmd p (*cfs_trace_data[2])[2].tcd.tcd_cur_pages // p (*cfs_trace_data[2])[2].tcd.tcd_pages.next lustre_walk_cpus(2, 5, 2) cmd p (*cfs_trace_data[2])[2].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[2])[2].tcd.tcd_daemon_pages.next lustre: Dumped 0 debug pages from type 2 - CPU 2 lustre_walk_cpus(3, 5, 1) cmd p (*cfs_trace_data[2])[3].tcd.tcd_cur_pages // p (*cfs_trace_data[2])[3].tcd.tcd_pages.next lustre_walk_cpus(3, 5, 2) cmd p (*cfs_trace_data[2])[3].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[2])[3].tcd.tcd_daemon_pages.next lustre: Dumped 0 debug pages from type 2 - CPU 3 lustre: Dumped 924 total debug pages from 4 CPUs to /tmp/crash-anaysis.tELfw/lustre.bin