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.V7ngr/vmlinux [TAINTED] DUMPFILE: /exports/testreports/70067/testresults/sanity-compr-special5-zfs-DNE-rocky8.10_x86_64-rocky8.10_x86_64/oleg454-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Thu Sep 10 16:16:20 EDT 2026 UPTIME: 00:06:20 LOAD AVERAGE: 1.87, 1.36, 0.65 TASKS: 413 NODENAME: oleg454-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: 8093 COMMAND: "ll_ost_io00_002" TASK: ffff960607d0cf80 [THREAD_INFO: ffff960607d0cf80] 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_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 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 crc32_pclmul module mod: cannot find or load object file for pcspkr module mod: cannot find or load object file for intel_rapl_msr 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 dns_resolver 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 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 ffffffffc0569740 libcfs ffffffffc0549000 225280 /tmp/crash-anaysis.V7ngr/modules/libcfs.ko mod: cannot find or load object file for spl module mod: cannot find or load object file for zfs module ffffffffc0f8b3c0 lnet ffffffffc0eb0000 1490944 /tmp/crash-anaysis.V7ngr/modules/lnet.ko ffffffffc1046900 ksocklnd ffffffffc101d000 270336 /tmp/crash-anaysis.V7ngr/modules/ksocklnd.ko ffffffffc11a7180 obdclass ffffffffc1060000 4415488 /tmp/crash-anaysis.V7ngr/modules/obdclass.ko ffffffffc17230c0 ptlrpc ffffffffc1497000 4173824 /tmp/crash-anaysis.V7ngr/modules/ptlrpc.ko ffffffffc18e1880 ptlrpc_gss ffffffffc1893000 524288 /tmp/crash-anaysis.V7ngr/modules/ptlrpc_gss.ko ffffffffc1926c80 fld ffffffffc1914000 126976 /tmp/crash-anaysis.V7ngr/modules/fld.ko ffffffffc1946ac0 fid ffffffffc1934000 126976 /tmp/crash-anaysis.V7ngr/modules/fid.ko ffffffffc1966740 ec ffffffffc1954000 81920 /tmp/crash-anaysis.V7ngr/modules/ec.ko ffffffffc19a6080 lmv ffffffffc1969000 372736 /tmp/crash-anaysis.V7ngr/modules/lmv.ko ffffffffc1a48480 osc ffffffffc19c5000 794624 /tmp/crash-anaysis.V7ngr/modules/osc.ko ffffffffc1ae0b00 lov ffffffffc1a88000 552960 /tmp/crash-anaysis.V7ngr/modules/lov.ko ffffffffc1b5ab80 mdc ffffffffc1b10000 466944 /tmp/crash-anaysis.V7ngr/modules/mdc.ko ffffffffc1b9f000 mgc ffffffffc1b83000 184320 /tmp/crash-anaysis.V7ngr/modules/mgc.ko ffffffffc1bd25c0 obdecho ffffffffc1bb1000 225280 /tmp/crash-anaysis.V7ngr/modules/obdecho.ko ffffffffc1ca3340 lfsck ffffffffc1be9000 1081344 /tmp/crash-anaysis.V7ngr/modules/lfsck.ko ffffffffc1d72240 lquota ffffffffc1cf2000 786432 /tmp/crash-anaysis.V7ngr/modules/lquota.ko ffffffffc1e1eb80 osd_zfs ffffffffc1db3000 659456 /tmp/crash-anaysis.V7ngr/modules/osd_zfs.ko ffffffffc1eb8400 mgs ffffffffc1e55000 626688 /tmp/crash-anaysis.V7ngr/modules/mgs.ko ffffffffc1f6a0c0 mdd ffffffffc1eef000 745472 /tmp/crash-anaysis.V7ngr/modules/mdd.ko ffffffffc20b4900 mdt ffffffffc1fa6000 1654784 /tmp/crash-anaysis.V7ngr/modules/mdt.ko ffffffffc21e8900 lod ffffffffc213b000 1064960 /tmp/crash-anaysis.V7ngr/modules/lod.ko ffffffffc22afe40 ofd ffffffffc2240000 692224 /tmp/crash-anaysis.V7ngr/modules/ofd.ko ffffffffc2345f80 osp ffffffffc22ea000 573440 /tmp/crash-anaysis.V7ngr/modules/osp.ko ffffffffc24ad780 lustre ffffffffc2377000 1925120 /tmp/crash-anaysis.V7ngr/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, 0xffff96064019d5e8) 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 235 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, 0xffff960612d42048) 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 184 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, 0xffff9606215c20a8) 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 211 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, 0xffff960607ecc468) 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 261 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 891 total debug pages from 4 CPUs to /tmp/crash-anaysis.V7ngr/lustre.bin