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.zPaB2/vmlinux [TAINTED] DUMPFILE: /exports/testreports/68875/testresults/sanity-lfsck-zfs-rocky8.10_x86_64-rocky8.10_x86_64/oleg343-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Thu Aug 27 13:39:45 EDT 2026 UPTIME: 00:47:59 LOAD AVERAGE: 2.96, 2.30, 1.94 TASKS: 344 NODENAME: oleg343-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: 82303 COMMAND: "ll_ost_io00_001" TASK: ffff9ec6ddd527c0 [THREAD_INFO: ffff9ec6ddd527c0] CPU: 0 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 crc32c_intel module mod: cannot find or load object file for crct10dif_pclmul module mod: cannot find or load object file for ata_generic 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 intel_rapl_msr module mod: cannot find or load object file for pcspkr module mod: cannot find or load object file for dns_resolver module mod: cannot find or load object file for ghash_clmulni_intel module mod: cannot find or load object file for crc32_pclmul 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 ata_piix 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 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 ffffffffc045b740 libcfs ffffffffc043b000 225280 /tmp/crash-anaysis.zPaB2/modules/libcfs.ko mod: cannot find or load object file for spl module mod: cannot find or load object file for zfs module ffffffffc0e7d3c0 lnet ffffffffc0da2000 1490944 /tmp/crash-anaysis.zPaB2/modules/lnet.ko ffffffffc0f38900 ksocklnd ffffffffc0f0f000 270336 /tmp/crash-anaysis.zPaB2/modules/ksocklnd.ko ffffffffc1096840 obdclass ffffffffc0f52000 4399104 /tmp/crash-anaysis.zPaB2/modules/obdclass.ko ffffffffc16110c0 ptlrpc ffffffffc1385000 4173824 /tmp/crash-anaysis.zPaB2/modules/ptlrpc.ko ffffffffc17cf880 ptlrpc_gss ffffffffc1781000 524288 /tmp/crash-anaysis.zPaB2/modules/ptlrpc_gss.ko ffffffffc1814c80 fld ffffffffc1802000 126976 /tmp/crash-anaysis.zPaB2/modules/fld.ko ffffffffc1834ac0 fid ffffffffc1822000 126976 /tmp/crash-anaysis.zPaB2/modules/fid.ko ffffffffc1854740 ec ffffffffc1842000 81920 /tmp/crash-anaysis.zPaB2/modules/ec.ko ffffffffc1894080 lmv ffffffffc1857000 372736 /tmp/crash-anaysis.zPaB2/modules/lmv.ko ffffffffc1933d00 osc ffffffffc18b3000 778240 /tmp/crash-anaysis.zPaB2/modules/osc.ko ffffffffc19caa00 lov ffffffffc1972000 552960 /tmp/crash-anaysis.zPaB2/modules/lov.ko ffffffffc1a44b80 mdc ffffffffc19fa000 466944 /tmp/crash-anaysis.zPaB2/modules/mdc.ko ffffffffc1a89000 mgc ffffffffc1a6d000 184320 /tmp/crash-anaysis.zPaB2/modules/mgc.ko ffffffffc1abc5c0 obdecho ffffffffc1a9b000 225280 /tmp/crash-anaysis.zPaB2/modules/obdecho.ko ffffffffc1b8d200 lfsck ffffffffc1ad3000 1081344 /tmp/crash-anaysis.zPaB2/modules/lfsck.ko ffffffffc1c5c240 lquota ffffffffc1bdc000 786432 /tmp/crash-anaysis.zPaB2/modules/lquota.ko ffffffffc1d07ac0 osd_zfs ffffffffc1c9d000 655360 /tmp/crash-anaysis.zPaB2/modules/osd_zfs.ko ffffffffc1da1400 mgs ffffffffc1d3e000 626688 /tmp/crash-anaysis.zPaB2/modules/mgs.ko ffffffffc1e53080 mdd ffffffffc1dd8000 745472 /tmp/crash-anaysis.zPaB2/modules/mdd.ko ffffffffc1f9d840 mdt ffffffffc1e8f000 1654784 /tmp/crash-anaysis.zPaB2/modules/mdt.ko ffffffffc20cf480 lod ffffffffc2024000 1052672 /tmp/crash-anaysis.zPaB2/modules/lod.ko ffffffffc2194c80 ofd ffffffffc2126000 688128 /tmp/crash-anaysis.zPaB2/modules/ofd.ko ffffffffc222af80 osp ffffffffc21cf000 573440 /tmp/crash-anaysis.zPaB2/modules/osp.ko ffffffffc23906c0 lustre ffffffffc225c000 1912832 /tmp/crash-anaysis.zPaB2/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, 0xffff9ec6c6824a48) 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 2281 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, 0xffff9ec6f4da0cc8) 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 2462 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, 0xffff9ec6ed60b7a8) 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 2231 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, 0xffff9ec5c5695568)