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.jDaem/vmlinux [TAINTED] DUMPFILE: /exports/testreports/68863/testresults/sanity-lfsck-zfs-rocky8.10_x86_64-rocky8.10_x86_64/oleg456-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Thu Aug 27 09:56:21 EDT 2026 UPTIME: 00:50:20 LOAD AVERAGE: 1.17, 1.55, 1.64 TASKS: 344 NODENAME: oleg456-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: 84993 COMMAND: "ll_ost_io00_003" TASK: ffff8f720b574f80 [THREAD_INFO: ffff8f720b574f80] 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_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 ata_generic 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 intel_rapl_common 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 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 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 ffffffffc063f740 libcfs ffffffffc061f000 225280 /tmp/crash-anaysis.jDaem/modules/libcfs.ko mod: cannot find or load object file for spl module mod: cannot find or load object file for zfs module ffffffffc10613c0 lnet ffffffffc0f86000 1490944 /tmp/crash-anaysis.jDaem/modules/lnet.ko ffffffffc111c900 ksocklnd ffffffffc10f3000 270336 /tmp/crash-anaysis.jDaem/modules/ksocklnd.ko ffffffffc127ba80 obdclass ffffffffc1136000 4403200 /tmp/crash-anaysis.jDaem/modules/obdclass.ko ffffffffc17f60c0 ptlrpc ffffffffc156a000 4173824 /tmp/crash-anaysis.jDaem/modules/ptlrpc.ko ffffffffc19b4880 ptlrpc_gss ffffffffc1966000 524288 /tmp/crash-anaysis.jDaem/modules/ptlrpc_gss.ko ffffffffc19f9c80 fld ffffffffc19e7000 126976 /tmp/crash-anaysis.jDaem/modules/fld.ko ffffffffc1a19ac0 fid ffffffffc1a07000 126976 /tmp/crash-anaysis.jDaem/modules/fid.ko ffffffffc1a39740 ec ffffffffc1a27000 81920 /tmp/crash-anaysis.jDaem/modules/ec.ko ffffffffc1a79080 lmv ffffffffc1a3c000 372736 /tmp/crash-anaysis.jDaem/modules/lmv.ko ffffffffc1b1a2c0 osc ffffffffc1a98000 790528 /tmp/crash-anaysis.jDaem/modules/osc.ko ffffffffc1bb2a00 lov ffffffffc1b5a000 552960 /tmp/crash-anaysis.jDaem/modules/lov.ko ffffffffc1c2cb80 mdc ffffffffc1be2000 466944 /tmp/crash-anaysis.jDaem/modules/mdc.ko ffffffffc1c71000 mgc ffffffffc1c55000 184320 /tmp/crash-anaysis.jDaem/modules/mgc.ko ffffffffc1ca45c0 obdecho ffffffffc1c83000 225280 /tmp/crash-anaysis.jDaem/modules/obdecho.ko ffffffffc1d75340 lfsck ffffffffc1cbb000 1081344 /tmp/crash-anaysis.jDaem/modules/lfsck.ko ffffffffc1e44240 lquota ffffffffc1dc4000 786432 /tmp/crash-anaysis.jDaem/modules/lquota.ko ffffffffc1eefac0 osd_zfs ffffffffc1e85000 655360 /tmp/crash-anaysis.jDaem/modules/osd_zfs.ko ffffffffc1f89400 mgs ffffffffc1f26000 626688 /tmp/crash-anaysis.jDaem/modules/mgs.ko ffffffffc203b080 mdd ffffffffc1fc0000 745472 /tmp/crash-anaysis.jDaem/modules/mdd.ko ffffffffc2185940 mdt ffffffffc2077000 1654784 /tmp/crash-anaysis.jDaem/modules/mdt.ko ffffffffc22b7480 lod ffffffffc220c000 1052672 /tmp/crash-anaysis.jDaem/modules/lod.ko ffffffffc237ba40 ofd ffffffffc230e000 679936 /tmp/crash-anaysis.jDaem/modules/ofd.ko ffffffffc2410f80 osp ffffffffc23b5000 573440 /tmp/crash-anaysis.jDaem/modules/osp.ko ffffffffc25766c0 lustre ffffffffc2442000 1912832 /tmp/crash-anaysis.jDaem/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, 0xffff8f730694d2c8) 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 2211 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, 0xffff8f7202dde028) 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 2261 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, 0xffff8f73202350a8) 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 2344 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, 0xffff8f7321150548)