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.7NFrx/vmlinux [TAINTED] DUMPFILE: /exports/testreports/68866/testresults/sanity-pfl-special5-zfs-DNE-rocky8.10_x86_64-rocky8.10_x86_64/oleg401-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Wed Aug 26 06:32:37 EDT 2026 UPTIME: 00:07:35 LOAD AVERAGE: 1.32, 1.28, 0.68 TASKS: 408 NODENAME: oleg401-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: ffff960e58234f80 [THREAD_INFO: ffff960e58234f80] CPU: 3 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 serio_raw module mod: cannot find or load object file for ghash_clmulni_intel module mod: cannot find or load object file for ata_generic 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 pcspkr 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_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 sb_edac module mod: cannot find or load object file for intel_rapl_common module mod: cannot find or load object file for dns_resolver 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 ffffffffc0541740 libcfs ffffffffc0521000 225280 /tmp/crash-anaysis.7NFrx/modules/libcfs.ko mod: cannot find or load object file for spl module mod: cannot find or load object file for zfs module ffffffffc0f633c0 lnet ffffffffc0e88000 1490944 /tmp/crash-anaysis.7NFrx/modules/lnet.ko ffffffffc101e900 ksocklnd ffffffffc0ff5000 270336 /tmp/crash-anaysis.7NFrx/modules/ksocklnd.ko ffffffffc117da80 obdclass ffffffffc1038000 4403200 /tmp/crash-anaysis.7NFrx/modules/obdclass.ko ffffffffc16f80c0 ptlrpc ffffffffc146c000 4173824 /tmp/crash-anaysis.7NFrx/modules/ptlrpc.ko ffffffffc18b6880 ptlrpc_gss ffffffffc1868000 524288 /tmp/crash-anaysis.7NFrx/modules/ptlrpc_gss.ko ffffffffc18fbc80 fld ffffffffc18e9000 126976 /tmp/crash-anaysis.7NFrx/modules/fld.ko ffffffffc191bac0 fid ffffffffc1909000 126976 /tmp/crash-anaysis.7NFrx/modules/fid.ko ffffffffc193b740 ec ffffffffc1929000 81920 /tmp/crash-anaysis.7NFrx/modules/ec.ko ffffffffc197b080 lmv ffffffffc193e000 372736 /tmp/crash-anaysis.7NFrx/modules/lmv.ko ffffffffc1a1c2c0 osc ffffffffc199a000 790528 /tmp/crash-anaysis.7NFrx/modules/osc.ko ffffffffc1ab4a00 lov ffffffffc1a5c000 552960 /tmp/crash-anaysis.7NFrx/modules/lov.ko ffffffffc1b2eb80 mdc ffffffffc1ae4000 466944 /tmp/crash-anaysis.7NFrx/modules/mdc.ko ffffffffc1b73000 mgc ffffffffc1b57000 184320 /tmp/crash-anaysis.7NFrx/modules/mgc.ko ffffffffc1ba65c0 obdecho ffffffffc1b85000 225280 /tmp/crash-anaysis.7NFrx/modules/obdecho.ko ffffffffc1c77340 lfsck ffffffffc1bbd000 1081344 /tmp/crash-anaysis.7NFrx/modules/lfsck.ko ffffffffc1d46240 lquota ffffffffc1cc6000 786432 /tmp/crash-anaysis.7NFrx/modules/lquota.ko ffffffffc1df1ac0 osd_zfs ffffffffc1d87000 655360 /tmp/crash-anaysis.7NFrx/modules/osd_zfs.ko ffffffffc1e8b400 mgs ffffffffc1e28000 626688 /tmp/crash-anaysis.7NFrx/modules/mgs.ko ffffffffc1f3d080 mdd ffffffffc1ec2000 745472 /tmp/crash-anaysis.7NFrx/modules/mdd.ko ffffffffc2087940 mdt ffffffffc1f79000 1654784 /tmp/crash-anaysis.7NFrx/modules/mdt.ko ffffffffc21b9480 lod ffffffffc210e000 1052672 /tmp/crash-anaysis.7NFrx/modules/lod.ko ffffffffc227da40 ofd ffffffffc2210000 679936 /tmp/crash-anaysis.7NFrx/modules/ofd.ko ffffffffc2312f80 osp ffffffffc22b7000 573440 /tmp/crash-anaysis.7NFrx/modules/osp.ko ffffffffc24786c0 lustre ffffffffc2344000 1912832 /tmp/crash-anaysis.7NFrx/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, 0xffff960e569bb9c8) 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 1014 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, 0xffff960e6ea46dc8) 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, 0xffff960e42e3cfe8) 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, 0xffff960e4bf82828) 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 835 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 3897 total debug pages from 4 CPUs to /tmp/crash-anaysis.7NFrx/lustre.bin