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.gtth5/vmlinux [TAINTED] DUMPFILE: /exports/testreports/68871/testresults/sanity-lfsck-zfs-rocky8.10_x86_64-rocky8.10_x86_64/oleg419-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Thu Aug 27 12:42:50 EDT 2026 UPTIME: 00:48:37 LOAD AVERAGE: 1.90, 1.74, 1.74 TASKS: 345 NODENAME: oleg419-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: 82359 COMMAND: "ll_ost_io00_002" TASK: ffff9bb27afa4f80 [THREAD_INFO: ffff9bb27afa4f80] 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 serio_raw 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 pcspkr 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 crc32c_intel 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 ata_generic module mod: cannot find or load object file for squashfs module mod: cannot find or load object file for rapl 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 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 ffffffffc040b740 libcfs ffffffffc03eb000 225280 /tmp/crash-anaysis.gtth5/modules/libcfs.ko mod: cannot find or load object file for spl module mod: cannot find or load object file for zfs module ffffffffc0e2d3c0 lnet ffffffffc0d52000 1490944 /tmp/crash-anaysis.gtth5/modules/lnet.ko ffffffffc0ee8900 ksocklnd ffffffffc0ebf000 270336 /tmp/crash-anaysis.gtth5/modules/ksocklnd.ko ffffffffc1047a80 obdclass ffffffffc0f02000 4403200 /tmp/crash-anaysis.gtth5/modules/obdclass.ko ffffffffc15c20c0 ptlrpc ffffffffc1336000 4173824 /tmp/crash-anaysis.gtth5/modules/ptlrpc.ko ffffffffc1780880 ptlrpc_gss ffffffffc1732000 524288 /tmp/crash-anaysis.gtth5/modules/ptlrpc_gss.ko ffffffffc17c5c80 fld ffffffffc17b3000 126976 /tmp/crash-anaysis.gtth5/modules/fld.ko ffffffffc17e5ac0 fid ffffffffc17d3000 126976 /tmp/crash-anaysis.gtth5/modules/fid.ko ffffffffc1805740 ec ffffffffc17f3000 81920 /tmp/crash-anaysis.gtth5/modules/ec.ko ffffffffc1845080 lmv ffffffffc1808000 372736 /tmp/crash-anaysis.gtth5/modules/lmv.ko ffffffffc18e4f40 osc ffffffffc1864000 786432 /tmp/crash-anaysis.gtth5/modules/osc.ko ffffffffc197da00 lov ffffffffc1925000 552960 /tmp/crash-anaysis.gtth5/modules/lov.ko ffffffffc19f7b80 mdc ffffffffc19ad000 466944 /tmp/crash-anaysis.gtth5/modules/mdc.ko ffffffffc1a3c000 mgc ffffffffc1a20000 184320 /tmp/crash-anaysis.gtth5/modules/mgc.ko ffffffffc1a6f5c0 obdecho ffffffffc1a4e000 225280 /tmp/crash-anaysis.gtth5/modules/obdecho.ko ffffffffc1b40340 lfsck ffffffffc1a86000 1081344 /tmp/crash-anaysis.gtth5/modules/lfsck.ko ffffffffc1c0f240 lquota ffffffffc1b8f000 786432 /tmp/crash-anaysis.gtth5/modules/lquota.ko ffffffffc1cbaac0 osd_zfs ffffffffc1c50000 655360 /tmp/crash-anaysis.gtth5/modules/osd_zfs.ko ffffffffc1d54400 mgs ffffffffc1cf1000 626688 /tmp/crash-anaysis.gtth5/modules/mgs.ko ffffffffc1e06080 mdd ffffffffc1d8b000 745472 /tmp/crash-anaysis.gtth5/modules/mdd.ko ffffffffc1f50940 mdt ffffffffc1e42000 1654784 /tmp/crash-anaysis.gtth5/modules/mdt.ko ffffffffc2082480 lod ffffffffc1fd7000 1052672 /tmp/crash-anaysis.gtth5/modules/lod.ko ffffffffc2146a40 ofd ffffffffc20d9000 679936 /tmp/crash-anaysis.gtth5/modules/ofd.ko ffffffffc21dbf80 osp ffffffffc2180000 573440 /tmp/crash-anaysis.gtth5/modules/osp.ko ffffffffc23416c0 lustre ffffffffc220d000 1912832 /tmp/crash-anaysis.gtth5/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, 0xffff9bb27f9e8068) 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 2194 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, 0xffff9bb248006ea8) 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 2384 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, 0xffff9bb249d83888) 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 2296 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, 0xffff9bb1432cb548)