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.1FFLF/vmlinux [TAINTED] DUMPFILE: /exports/testreports/68866/testresults/sanity-pfl-special2-zfs-DNE-rocky8.10_x86_64-rocky8.10_x86_64/oleg451-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Wed Aug 26 06:30:28 EDT 2026 UPTIME: 00:06:50 LOAD AVERAGE: 1.14, 1.15, 0.58 TASKS: 403 NODENAME: oleg451-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: 8099 COMMAND: "ll_ost_io00_000" TASK: ffff9ece03198000 [THREAD_INFO: ffff9ece03198000] 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 crc32_pclmul module mod: cannot find or load object file for ata_generic 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 serio_raw module mod: cannot find or load object file for ata_piix module mod: cannot find or load object file for pcspkr module mod: cannot find or load object file for crct10dif_pclmul module mod: cannot find or load object file for intel_rapl_msr 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 rpcsec_gss_krb5 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 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 ffffffffc04a0c80 fld ffffffffc048e000 126976 /tmp/crash-anaysis.1FFLF/modules/fld.ko ffffffffc04c0740 ec ffffffffc04ae000 81920 /tmp/crash-anaysis.1FFLF/modules/ec.ko mod: cannot find or load object file for spl module mod: cannot find or load object file for zfs module ffffffffc0e13740 libcfs ffffffffc0df3000 225280 /tmp/crash-anaysis.1FFLF/modules/libcfs.ko ffffffffc0f063c0 lnet ffffffffc0e2b000 1490944 /tmp/crash-anaysis.1FFLF/modules/lnet.ko ffffffffc0fc1900 ksocklnd ffffffffc0f98000 270336 /tmp/crash-anaysis.1FFLF/modules/ksocklnd.ko ffffffffc1120a80 obdclass ffffffffc0fdb000 4403200 /tmp/crash-anaysis.1FFLF/modules/obdclass.ko ffffffffc169b0c0 ptlrpc ffffffffc140f000 4173824 /tmp/crash-anaysis.1FFLF/modules/ptlrpc.ko ffffffffc1859880 ptlrpc_gss ffffffffc180b000 524288 /tmp/crash-anaysis.1FFLF/modules/ptlrpc_gss.ko ffffffffc189eac0 fid ffffffffc188c000 126976 /tmp/crash-anaysis.1FFLF/modules/fid.ko ffffffffc18e9080 lmv ffffffffc18ac000 372736 /tmp/crash-anaysis.1FFLF/modules/lmv.ko ffffffffc198a2c0 osc ffffffffc1908000 790528 /tmp/crash-anaysis.1FFLF/modules/osc.ko ffffffffc1a22a00 lov ffffffffc19ca000 552960 /tmp/crash-anaysis.1FFLF/modules/lov.ko ffffffffc1a9cb80 mdc ffffffffc1a52000 466944 /tmp/crash-anaysis.1FFLF/modules/mdc.ko ffffffffc1ae1000 mgc ffffffffc1ac5000 184320 /tmp/crash-anaysis.1FFLF/modules/mgc.ko ffffffffc1b145c0 obdecho ffffffffc1af3000 225280 /tmp/crash-anaysis.1FFLF/modules/obdecho.ko ffffffffc1be5340 lfsck ffffffffc1b2b000 1081344 /tmp/crash-anaysis.1FFLF/modules/lfsck.ko ffffffffc1cb4240 lquota ffffffffc1c34000 786432 /tmp/crash-anaysis.1FFLF/modules/lquota.ko ffffffffc1d5fac0 osd_zfs ffffffffc1cf5000 655360 /tmp/crash-anaysis.1FFLF/modules/osd_zfs.ko ffffffffc1df9400 mgs ffffffffc1d96000 626688 /tmp/crash-anaysis.1FFLF/modules/mgs.ko ffffffffc1eab080 mdd ffffffffc1e30000 745472 /tmp/crash-anaysis.1FFLF/modules/mdd.ko ffffffffc1ff5940 mdt ffffffffc1ee7000 1654784 /tmp/crash-anaysis.1FFLF/modules/mdt.ko ffffffffc2127480 lod ffffffffc207c000 1052672 /tmp/crash-anaysis.1FFLF/modules/lod.ko ffffffffc21eba40 ofd ffffffffc217e000 679936 /tmp/crash-anaysis.1FFLF/modules/ofd.ko ffffffffc2280f80 osp ffffffffc2225000 573440 /tmp/crash-anaysis.1FFLF/modules/osp.ko ffffffffc23e66c0 lustre ffffffffc22b2000 1912832 /tmp/crash-anaysis.1FFLF/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, 0xffff9ecd06441988) 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, 0xffff9ece3ae78fa8) 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 957 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, 0xffff9ece1164c3e8) 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, 0xffff9ece28873b28) 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 856 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 3861 total debug pages from 4 CPUs to /tmp/crash-anaysis.1FFLF/lustre.bin