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.40yTB/vmlinux [TAINTED] DUMPFILE: /exports/testreports/70067/testresults/sanity-compr-special7-zfs-DNE-rocky8.10_x86_64-rocky8.10_x86_64/oleg334-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Thu Sep 10 16:15:54 EDT 2026 UPTIME: 00:06:42 LOAD AVERAGE: 1.56, 1.44, 0.72 TASKS: 406 NODENAME: oleg334-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: 8075 COMMAND: "ll_ost_io00_002" TASK: ffff957d1bada7c0 [THREAD_INFO: ffff957d1bada7c0] 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_mirror 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 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 pcspkr 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 intel_rapl_msr module mod: cannot find or load object file for crct10dif_pclmul 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 rapl module mod: cannot find or load object file for sb_edac 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 ffffffffc05b1740 libcfs ffffffffc0591000 225280 /tmp/crash-anaysis.40yTB/modules/libcfs.ko mod: cannot find or load object file for spl module mod: cannot find or load object file for zfs module ffffffffc0fd33c0 lnet ffffffffc0ef8000 1490944 /tmp/crash-anaysis.40yTB/modules/lnet.ko ffffffffc108e900 ksocklnd ffffffffc1065000 270336 /tmp/crash-anaysis.40yTB/modules/ksocklnd.ko ffffffffc11ef180 obdclass ffffffffc10a8000 4415488 /tmp/crash-anaysis.40yTB/modules/obdclass.ko ffffffffc176b0c0 ptlrpc ffffffffc14df000 4173824 /tmp/crash-anaysis.40yTB/modules/ptlrpc.ko ffffffffc1929880 ptlrpc_gss ffffffffc18db000 524288 /tmp/crash-anaysis.40yTB/modules/ptlrpc_gss.ko ffffffffc196ec80 fld ffffffffc195c000 126976 /tmp/crash-anaysis.40yTB/modules/fld.ko ffffffffc198eac0 fid ffffffffc197c000 126976 /tmp/crash-anaysis.40yTB/modules/fid.ko ffffffffc19ae740 ec ffffffffc199c000 81920 /tmp/crash-anaysis.40yTB/modules/ec.ko ffffffffc19ee080 lmv ffffffffc19b1000 372736 /tmp/crash-anaysis.40yTB/modules/lmv.ko ffffffffc1a90480 osc ffffffffc1a0d000 794624 /tmp/crash-anaysis.40yTB/modules/osc.ko ffffffffc1b28b00 lov ffffffffc1ad0000 552960 /tmp/crash-anaysis.40yTB/modules/lov.ko ffffffffc1ba2b80 mdc ffffffffc1b58000 466944 /tmp/crash-anaysis.40yTB/modules/mdc.ko ffffffffc1be7000 mgc ffffffffc1bcb000 184320 /tmp/crash-anaysis.40yTB/modules/mgc.ko ffffffffc1c1a5c0 obdecho ffffffffc1bf9000 225280 /tmp/crash-anaysis.40yTB/modules/obdecho.ko ffffffffc1ceb340 lfsck ffffffffc1c31000 1081344 /tmp/crash-anaysis.40yTB/modules/lfsck.ko ffffffffc1dba240 lquota ffffffffc1d3a000 786432 /tmp/crash-anaysis.40yTB/modules/lquota.ko ffffffffc1e66b80 osd_zfs ffffffffc1dfb000 659456 /tmp/crash-anaysis.40yTB/modules/osd_zfs.ko ffffffffc1f00400 mgs ffffffffc1e9d000 626688 /tmp/crash-anaysis.40yTB/modules/mgs.ko ffffffffc1fb20c0 mdd ffffffffc1f37000 745472 /tmp/crash-anaysis.40yTB/modules/mdd.ko ffffffffc20fc900 mdt ffffffffc1fee000 1654784 /tmp/crash-anaysis.40yTB/modules/mdt.ko ffffffffc2230900 lod ffffffffc2183000 1064960 /tmp/crash-anaysis.40yTB/modules/lod.ko ffffffffc22f7e40 ofd ffffffffc2288000 692224 /tmp/crash-anaysis.40yTB/modules/ofd.ko ffffffffc238df80 osp ffffffffc2332000 573440 /tmp/crash-anaysis.40yTB/modules/osp.ko ffffffffc24f5780 lustre ffffffffc23bf000 1925120 /tmp/crash-anaysis.40yTB/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, 0xffff957d03755f88) 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 252 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, 0xffff957d086b5d08) 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 197 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, 0xffff957d0bfb2688) 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 248 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, 0xffff957d03215968) 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 216 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 913 total debug pages from 4 CPUs to /tmp/crash-anaysis.40yTB/lustre.bin