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.63MXm/vmlinux [TAINTED] DUMPFILE: /exports/testreports/68845/testresults/sanity-compr-special4-zfs-DNE-rocky8.10_x86_64-rocky8.10_x86_64/oleg156-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Wed Aug 26 07:54:22 EDT 2026 UPTIME: 00:06:27 LOAD AVERAGE: 1.62, 1.34, 0.64 TASKS: 400 NODENAME: oleg156-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: 8085 COMMAND: "ll_ost_io00_002" TASK: ffff92b0c2f58000 [THREAD_INFO: ffff92b0c2f58000] 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 libata module mod: cannot find or load object file for crct10dif_pclmul module mod: cannot find or load object file for crc32c_intel module mod: cannot find or load object file for i2c_piix4 module mod: cannot find or load object file for intel_rapl_msr 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 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_generic module mod: cannot find or load object file for sb_edac module mod: cannot find or load object file for intel_rapl_common module mod: cannot find or load object file for rpcsec_gss_krb5 module mod: cannot find or load object file for rapl 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 ffffffffc0700740 libcfs ffffffffc06e0000 225280 /tmp/crash-anaysis.63MXm/modules/libcfs.ko mod: cannot find or load object file for spl module mod: cannot find or load object file for zfs module ffffffffc11223c0 lnet ffffffffc1047000 1490944 /tmp/crash-anaysis.63MXm/modules/lnet.ko ffffffffc11dd900 ksocklnd ffffffffc11b4000 270336 /tmp/crash-anaysis.63MXm/modules/ksocklnd.ko ffffffffc133b800 obdclass ffffffffc11f7000 4395008 /tmp/crash-anaysis.63MXm/modules/obdclass.ko ffffffffc18b6240 ptlrpc ffffffffc1629000 4186112 /tmp/crash-anaysis.63MXm/modules/ptlrpc.ko ffffffffc1a76880 ptlrpc_gss ffffffffc1a28000 524288 /tmp/crash-anaysis.63MXm/modules/ptlrpc_gss.ko ffffffffc1abbc80 fld ffffffffc1aa9000 126976 /tmp/crash-anaysis.63MXm/modules/fld.ko ffffffffc1adbac0 fid ffffffffc1ac9000 126976 /tmp/crash-anaysis.63MXm/modules/fid.ko ffffffffc1afb740 ec ffffffffc1ae9000 81920 /tmp/crash-anaysis.63MXm/modules/ec.ko ffffffffc1b3b080 lmv ffffffffc1afe000 372736 /tmp/crash-anaysis.63MXm/modules/lmv.ko ffffffffc1bdad00 osc ffffffffc1b5a000 778240 /tmp/crash-anaysis.63MXm/modules/osc.ko ffffffffc1c71a00 lov ffffffffc1c19000 552960 /tmp/crash-anaysis.63MXm/modules/lov.ko ffffffffc1cebb80 mdc ffffffffc1ca1000 466944 /tmp/crash-anaysis.63MXm/modules/mdc.ko ffffffffc1d30000 mgc ffffffffc1d14000 184320 /tmp/crash-anaysis.63MXm/modules/mgc.ko ffffffffc1d635c0 obdecho ffffffffc1d42000 225280 /tmp/crash-anaysis.63MXm/modules/obdecho.ko ffffffffc1e34200 lfsck ffffffffc1d7a000 1081344 /tmp/crash-anaysis.63MXm/modules/lfsck.ko ffffffffc1f03240 lquota ffffffffc1e83000 786432 /tmp/crash-anaysis.63MXm/modules/lquota.ko ffffffffc1faeac0 osd_zfs ffffffffc1f44000 655360 /tmp/crash-anaysis.63MXm/modules/osd_zfs.ko ffffffffc2048400 mgs ffffffffc1fe5000 626688 /tmp/crash-anaysis.63MXm/modules/mgs.ko ffffffffc20fa080 mdd ffffffffc207f000 745472 /tmp/crash-anaysis.63MXm/modules/mdd.ko ffffffffc2244880 mdt ffffffffc2136000 1654784 /tmp/crash-anaysis.63MXm/modules/mdt.ko ffffffffc2376480 lod ffffffffc22cb000 1052672 /tmp/crash-anaysis.63MXm/modules/lod.ko ffffffffc243dfc0 ofd ffffffffc23cd000 696320 /tmp/crash-anaysis.63MXm/modules/ofd.ko ffffffffc24d3f80 osp ffffffffc2478000 573440 /tmp/crash-anaysis.63MXm/modules/osp.ko ffffffffc2639640 lustre ffffffffc2505000 1908736 /tmp/crash-anaysis.63MXm/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, 0xffff92b0c56490c8) 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 208 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, 0xffff92b0c7b1a9c8) 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 217 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, 0xffff92b0c6fcd368) 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 170 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, 0xffff92b0c8948a28) 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 206 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 801 total debug pages from 4 CPUs to /tmp/crash-anaysis.63MXm/lustre.bin