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.wIFUk/vmlinux [TAINTED] DUMPFILE: /exports/testreports/68247/testresults/sanity1-ldiskfs-DNE-rocky8.10_x86_64-rocky8.10_x86_64/oleg153-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Wed Aug 19 21:55:45 EDT 2026 UPTIME: 00:13:23 LOAD AVERAGE: 1.15, 1.27, 0.90 TASKS: 257 NODENAME: oleg153-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 0000000000000060" PID: 6523 COMMAND: "mdt_out00_000" TASK: ffff889e5022cf80 [THREAD_INFO: ffff889e5022cf80] CPU: 1 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_region_hash module mod: cannot find or load object file for dm_log module mod: cannot find or load object file for dm_mirror module mod: cannot find or load object file for pcspkr module mod: cannot find or load object file for libata module mod: cannot find or load object file for crc32c_intel module mod: cannot find or load object file for crct10dif_pclmul module mod: cannot find or load object file for ata_generic 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 crc32_pclmul module mod: cannot find or load object file for ghash_clmulni_intel module mod: cannot find or load object file for squashfs module mod: cannot find or load object file for dns_resolver 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 intel_rapl_common module mod: cannot find or load object file for rapl module mod: cannot find or load object file for sb_edac module mod: cannot find or load object file for nfsv4 module mod: cannot find or load object file for auth_rpcgss module mod: cannot find or load object file for rpcsec_gss_krb5 module MODULE NAME BASE SIZE OBJECT FILE ffffffffc06b3740 libcfs ffffffffc0693000 225280 /tmp/crash-anaysis.wIFUk/modules/libcfs.ko mod: cannot find or load object file for dm_flakey module ffffffffc07e43c0 lnet ffffffffc0709000 1490944 /tmp/crash-anaysis.wIFUk/modules/lnet.ko ffffffffc089f900 ksocklnd ffffffffc0876000 270336 /tmp/crash-anaysis.wIFUk/modules/ksocklnd.ko ffffffffc09fafc0 obdclass ffffffffc08b9000 4374528 /tmp/crash-anaysis.wIFUk/modules/obdclass.ko ffffffffc0f73080 ptlrpc ffffffffc0ce6000 4182016 /tmp/crash-anaysis.wIFUk/modules/ptlrpc.ko ffffffffc1132880 ptlrpc_gss ffffffffc10e4000 524288 /tmp/crash-anaysis.wIFUk/modules/ptlrpc_gss.ko ffffffffc1177c80 fld ffffffffc1165000 126976 /tmp/crash-anaysis.wIFUk/modules/fld.ko ffffffffc1197ac0 fid ffffffffc1185000 126976 /tmp/crash-anaysis.wIFUk/modules/fid.ko ffffffffc11b7740 ec ffffffffc11a5000 81920 /tmp/crash-anaysis.wIFUk/modules/ec.ko ffffffffc11f7080 lmv ffffffffc11ba000 372736 /tmp/crash-anaysis.wIFUk/modules/lmv.ko ffffffffc128de00 osc ffffffffc1216000 729088 /tmp/crash-anaysis.wIFUk/modules/osc.ko ffffffffc1320780 lov ffffffffc12c9000 548864 /tmp/crash-anaysis.wIFUk/modules/lov.ko ffffffffc139ab80 mdc ffffffffc1350000 466944 /tmp/crash-anaysis.wIFUk/modules/mdc.ko ffffffffc13df000 mgc ffffffffc13c3000 184320 /tmp/crash-anaysis.wIFUk/modules/mgc.ko ffffffffc14125c0 obdecho ffffffffc13f1000 225280 /tmp/crash-anaysis.wIFUk/modules/obdecho.ko ffffffffc14e30c0 lfsck ffffffffc1429000 1077248 /tmp/crash-anaysis.wIFUk/modules/lfsck.ko ffffffffc15b1200 lquota ffffffffc1531000 786432 /tmp/crash-anaysis.wIFUk/modules/lquota.ko ffffffffc16fe280 ldiskfs ffffffffc15f2000 1679360 /tmp/crash-anaysis.wIFUk/modules/ldiskfs.ko ffffffffc182ec00 osd_ldiskfs ffffffffc178d000 995328 /tmp/crash-anaysis.wIFUk/modules/osd_ldiskfs.ko ffffffffc18e4400 mgs ffffffffc1881000 626688 /tmp/crash-anaysis.wIFUk/modules/mgs.ko ffffffffc1996080 mdd ffffffffc191b000 745472 /tmp/crash-anaysis.wIFUk/modules/mdd.ko ffffffffc1ae0880 mdt ffffffffc19d2000 1654784 /tmp/crash-anaysis.wIFUk/modules/mdt.ko ffffffffc1c11240 lod ffffffffc1b67000 1048576 /tmp/crash-anaysis.wIFUk/modules/lod.ko ffffffffc1cca800 ofd ffffffffc1c68000 610304 /tmp/crash-anaysis.wIFUk/modules/ofd.ko ffffffffc1d59f80 osp ffffffffc1cfe000 573440 /tmp/crash-anaysis.wIFUk/modules/osp.ko ffffffffc1ebe340 lustre ffffffffc1d8b000 1904640 /tmp/crash-anaysis.wIFUk/modules/lustre.ko mod: cannot find or load object file for spl module mod: cannot find or load object file for zfs module 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, 0xffff889e7e3dfbe8) 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 1024 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, 0xffff889e7e7bac68) 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 1024 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, 0xffff889e76264928) 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 1024 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, 0xffff889e7de98aa8) 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 1024 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_trace_pages(0, 5, 0xffff889e6d90db48) 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 7 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_trace_pages(1, 5, 0xffff889e50eb18c8) 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 10 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_trace_pages(2, 5, 0xffff889e6d90c828) 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 7 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_trace_pages(3, 5, 0xffff889e6da42768) 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 3 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 4123 total debug pages from 4 CPUs to /tmp/crash-anaysis.wIFUk/lustre.bin