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.FFSNR/vmlinux [TAINTED] DUMPFILE: /exports/testreports/68866/testresults/sanity-pfl-special6-zfs-DNE-rocky8.10_x86_64-rocky8.10_x86_64/oleg202-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Wed Aug 26 06:31:22 EDT 2026 UPTIME: 00:07:23 LOAD AVERAGE: 1.42, 1.54, 0.81 TASKS: 406 NODENAME: oleg202-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: 8106 COMMAND: "ll_ost_io00_000" TASK: ffff9cdb90aa0000 [THREAD_INFO: ffff9cdb90aa0000] 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_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 ata_generic 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 i2c_piix4 module mod: cannot find or load object file for serio_raw 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_piix module mod: cannot find or load object file for intel_rapl_msr 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 sb_edac 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 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 ffffffffc05a4740 libcfs ffffffffc0584000 225280 /tmp/crash-anaysis.FFSNR/modules/libcfs.ko mod: cannot find or load object file for spl module mod: cannot find or load object file for zfs module ffffffffc0fc63c0 lnet ffffffffc0eeb000 1490944 /tmp/crash-anaysis.FFSNR/modules/lnet.ko ffffffffc1081900 ksocklnd ffffffffc1058000 270336 /tmp/crash-anaysis.FFSNR/modules/ksocklnd.ko ffffffffc11e0a80 obdclass ffffffffc109b000 4403200 /tmp/crash-anaysis.FFSNR/modules/obdclass.ko ffffffffc175b0c0 ptlrpc ffffffffc14cf000 4173824 /tmp/crash-anaysis.FFSNR/modules/ptlrpc.ko ffffffffc1919880 ptlrpc_gss ffffffffc18cb000 524288 /tmp/crash-anaysis.FFSNR/modules/ptlrpc_gss.ko ffffffffc195ec80 fld ffffffffc194c000 126976 /tmp/crash-anaysis.FFSNR/modules/fld.ko ffffffffc197eac0 fid ffffffffc196c000 126976 /tmp/crash-anaysis.FFSNR/modules/fid.ko ffffffffc199e740 ec ffffffffc198c000 81920 /tmp/crash-anaysis.FFSNR/modules/ec.ko ffffffffc19de080 lmv ffffffffc19a1000 372736 /tmp/crash-anaysis.FFSNR/modules/lmv.ko ffffffffc1a7f2c0 osc ffffffffc19fd000 790528 /tmp/crash-anaysis.FFSNR/modules/osc.ko ffffffffc1b17a00 lov ffffffffc1abf000 552960 /tmp/crash-anaysis.FFSNR/modules/lov.ko ffffffffc1b91b80 mdc ffffffffc1b47000 466944 /tmp/crash-anaysis.FFSNR/modules/mdc.ko ffffffffc1bd6000 mgc ffffffffc1bba000 184320 /tmp/crash-anaysis.FFSNR/modules/mgc.ko ffffffffc1c095c0 obdecho ffffffffc1be8000 225280 /tmp/crash-anaysis.FFSNR/modules/obdecho.ko ffffffffc1cda340 lfsck ffffffffc1c20000 1081344 /tmp/crash-anaysis.FFSNR/modules/lfsck.ko ffffffffc1da9240 lquota ffffffffc1d29000 786432 /tmp/crash-anaysis.FFSNR/modules/lquota.ko ffffffffc1e54ac0 osd_zfs ffffffffc1dea000 655360 /tmp/crash-anaysis.FFSNR/modules/osd_zfs.ko ffffffffc1eee400 mgs ffffffffc1e8b000 626688 /tmp/crash-anaysis.FFSNR/modules/mgs.ko ffffffffc1fa0080 mdd ffffffffc1f25000 745472 /tmp/crash-anaysis.FFSNR/modules/mdd.ko ffffffffc20ea940 mdt ffffffffc1fdc000 1654784 /tmp/crash-anaysis.FFSNR/modules/mdt.ko ffffffffc221c480 lod ffffffffc2171000 1052672 /tmp/crash-anaysis.FFSNR/modules/lod.ko ffffffffc22e0a40 ofd ffffffffc2273000 679936 /tmp/crash-anaysis.FFSNR/modules/ofd.ko ffffffffc2375f80 osp ffffffffc231a000 573440 /tmp/crash-anaysis.FFSNR/modules/osp.ko ffffffffc24db6c0 lustre ffffffffc23a7000 1912832 /tmp/crash-anaysis.FFSNR/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, 0xffff9cdb813562a8) 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 948 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, 0xffff9cdba1e06608) 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 853 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, 0xffff9cda86e12028) 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, 0xffff9cdb8001bfa8) 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 824 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 3649 total debug pages from 4 CPUs to /tmp/crash-anaysis.FFSNR/lustre.bin