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. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-pc-linux-gnu". Type "show configuration" for configuration details. Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... please wait... (gathering kmem slab cache data) please wait... (gathering module symbol data) please wait... (gathering task table data) please wait... (determining panic task) KERNEL: /tmp/crash-anaysis.3jlpj/vmlinux [TAINTED] DUMPFILE: /exports/testreports/68864/testresults/sanity-lfsck-zfs-rocky8.10_x86_64-rocky8.10_x86_64/oleg453-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Thu Aug 27 10:09:01 EDT 2026 UPTIME: 00:49:53 LOAD AVERAGE: 2.16, 1.93, 1.96 TASKS: 344 NODENAME: oleg453-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: 85005 COMMAND: "ll_ost_io00_003" TASK: ffff9e6d038327c0 [THREAD_INFO: ffff9e6d038327c0] CPU: 2 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 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 i2c_piix4 module mod: cannot find or load object file for rapl 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 pcspkr module mod: cannot find or load object file for intel_rapl_msr 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 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 ffffffffc0452740 libcfs ffffffffc0432000 225280 /tmp/crash-anaysis.3jlpj/modules/libcfs.ko mod: cannot find or load object file for spl module mod: cannot find or load object file for zfs module ffffffffc0e743c0 lnet ffffffffc0d99000 1490944 /tmp/crash-anaysis.3jlpj/modules/lnet.ko ffffffffc0f2f900 ksocklnd ffffffffc0f06000 270336 /tmp/crash-anaysis.3jlpj/modules/ksocklnd.ko ffffffffc108ea80 obdclass ffffffffc0f49000 4403200 /tmp/crash-anaysis.3jlpj/modules/obdclass.ko ffffffffc16090c0 ptlrpc ffffffffc137d000 4173824 /tmp/crash-anaysis.3jlpj/modules/ptlrpc.ko ffffffffc17c7880 ptlrpc_gss ffffffffc1779000 524288 /tmp/crash-anaysis.3jlpj/modules/ptlrpc_gss.ko ffffffffc180cc80 fld ffffffffc17fa000 126976 /tmp/crash-anaysis.3jlpj/modules/fld.ko ffffffffc182cac0 fid ffffffffc181a000 126976 /tmp/crash-anaysis.3jlpj/modules/fid.ko ffffffffc184c740 ec ffffffffc183a000 81920 /tmp/crash-anaysis.3jlpj/modules/ec.ko ffffffffc188c080 lmv ffffffffc184f000 372736 /tmp/crash-anaysis.3jlpj/modules/lmv.ko ffffffffc192d2c0 osc ffffffffc18ab000 790528 /tmp/crash-anaysis.3jlpj/modules/osc.ko ffffffffc19c5a00 lov ffffffffc196d000 552960 /tmp/crash-anaysis.3jlpj/modules/lov.ko ffffffffc1a3fb80 mdc ffffffffc19f5000 466944 /tmp/crash-anaysis.3jlpj/modules/mdc.ko ffffffffc1a84000 mgc ffffffffc1a68000 184320 /tmp/crash-anaysis.3jlpj/modules/mgc.ko ffffffffc1ab75c0 obdecho ffffffffc1a96000 225280 /tmp/crash-anaysis.3jlpj/modules/obdecho.ko ffffffffc1b88340 lfsck ffffffffc1ace000 1081344 /tmp/crash-anaysis.3jlpj/modules/lfsck.ko ffffffffc1c57240 lquota ffffffffc1bd7000 786432 /tmp/crash-anaysis.3jlpj/modules/lquota.ko ffffffffc1d02ac0 osd_zfs ffffffffc1c98000 655360 /tmp/crash-anaysis.3jlpj/modules/osd_zfs.ko ffffffffc1d9c400 mgs ffffffffc1d39000 626688 /tmp/crash-anaysis.3jlpj/modules/mgs.ko ffffffffc1e4e080 mdd ffffffffc1dd3000 745472 /tmp/crash-anaysis.3jlpj/modules/mdd.ko ffffffffc1f98940 mdt ffffffffc1e8a000 1654784 /tmp/crash-anaysis.3jlpj/modules/mdt.ko ffffffffc20ca480 lod ffffffffc201f000 1052672 /tmp/crash-anaysis.3jlpj/modules/lod.ko ffffffffc218ea40 ofd ffffffffc2121000 679936 /tmp/crash-anaysis.3jlpj/modules/ofd.ko ffffffffc2223f80 osp ffffffffc21c8000 573440 /tmp/crash-anaysis.3jlpj/modules/osp.ko ffffffffc23896c0 lustre ffffffffc2255000 1912832 /tmp/crash-anaysis.3jlpj/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, 0xffff9e6e3e0fbd48) 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 2215 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, 0xffff9e6d055b1ba8) 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 1983 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, 0xffff9e6d02554c68) 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 2550 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, 0xffff9e6d053ef388)