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.4LYUQ/vmlinux [TAINTED] DUMPFILE: /exports/testreports/68876/testresults/sanity-lfsck-zfs-rocky8.10_x86_64-rocky8.10_x86_64/oleg244-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Thu Aug 27 14:33:31 EDT 2026 UPTIME: 00:48:20 LOAD AVERAGE: 1.65, 1.98, 1.93 TASKS: 347 NODENAME: oleg244-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: 85030 COMMAND: "ll_ost_io00_003" TASK: ffff8c620abccf80 [THREAD_INFO: ffff8c620abccf80] 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_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 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 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 ata_piix module mod: cannot find or load object file for crc32c_intel module mod: cannot find or load object file for dns_resolver module mod: cannot find or load object file for ata_generic 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 sb_edac module mod: cannot find or load object file for intel_rapl_common 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 mod: cannot find or load object file for rpcsec_gss_krb5 module MODULE NAME BASE SIZE OBJECT FILE ffffffffc07af740 libcfs ffffffffc078f000 225280 /tmp/crash-anaysis.4LYUQ/modules/libcfs.ko mod: cannot find or load object file for spl module mod: cannot find or load object file for zfs module ffffffffc11d13c0 lnet ffffffffc10f6000 1490944 /tmp/crash-anaysis.4LYUQ/modules/lnet.ko ffffffffc128c900 ksocklnd ffffffffc1263000 270336 /tmp/crash-anaysis.4LYUQ/modules/ksocklnd.ko ffffffffc13ea840 obdclass ffffffffc12a6000 4399104 /tmp/crash-anaysis.4LYUQ/modules/obdclass.ko ffffffffc19650c0 ptlrpc ffffffffc16d9000 4173824 /tmp/crash-anaysis.4LYUQ/modules/ptlrpc.ko ffffffffc1b23880 ptlrpc_gss ffffffffc1ad5000 524288 /tmp/crash-anaysis.4LYUQ/modules/ptlrpc_gss.ko ffffffffc1b68c80 fld ffffffffc1b56000 126976 /tmp/crash-anaysis.4LYUQ/modules/fld.ko ffffffffc1b88ac0 fid ffffffffc1b76000 126976 /tmp/crash-anaysis.4LYUQ/modules/fid.ko ffffffffc1ba8740 ec ffffffffc1b96000 81920 /tmp/crash-anaysis.4LYUQ/modules/ec.ko ffffffffc1be8080 lmv ffffffffc1bab000 372736 /tmp/crash-anaysis.4LYUQ/modules/lmv.ko ffffffffc1c87d00 osc ffffffffc1c07000 778240 /tmp/crash-anaysis.4LYUQ/modules/osc.ko ffffffffc1d1ea00 lov ffffffffc1cc6000 552960 /tmp/crash-anaysis.4LYUQ/modules/lov.ko ffffffffc1d98b80 mdc ffffffffc1d4e000 466944 /tmp/crash-anaysis.4LYUQ/modules/mdc.ko ffffffffc1ddd000 mgc ffffffffc1dc1000 184320 /tmp/crash-anaysis.4LYUQ/modules/mgc.ko ffffffffc1e105c0 obdecho ffffffffc1def000 225280 /tmp/crash-anaysis.4LYUQ/modules/obdecho.ko ffffffffc1ee1200 lfsck ffffffffc1e27000 1081344 /tmp/crash-anaysis.4LYUQ/modules/lfsck.ko ffffffffc1fb0240 lquota ffffffffc1f30000 786432 /tmp/crash-anaysis.4LYUQ/modules/lquota.ko ffffffffc205bac0 osd_zfs ffffffffc1ff1000 655360 /tmp/crash-anaysis.4LYUQ/modules/osd_zfs.ko ffffffffc20f5400 mgs ffffffffc2092000 626688 /tmp/crash-anaysis.4LYUQ/modules/mgs.ko ffffffffc21a7080 mdd ffffffffc212c000 745472 /tmp/crash-anaysis.4LYUQ/modules/mdd.ko ffffffffc22f1840 mdt ffffffffc21e3000 1654784 /tmp/crash-anaysis.4LYUQ/modules/mdt.ko ffffffffc2423480 lod ffffffffc2378000 1052672 /tmp/crash-anaysis.4LYUQ/modules/lod.ko ffffffffc24e8c80 ofd ffffffffc247a000 688128 /tmp/crash-anaysis.4LYUQ/modules/ofd.ko ffffffffc257ef80 osp ffffffffc2523000 573440 /tmp/crash-anaysis.4LYUQ/modules/osp.ko ffffffffc26e46c0 lustre ffffffffc25b0000 1912832 /tmp/crash-anaysis.4LYUQ/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, 0xffff8c633fbb7528) 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 2160 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, 0xffff8c6201207a28) 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 2198 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, 0xffff8c6201ad76e8) 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 2638 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, 0xffff8c63056d6668)