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.9Of9H/vmlinux [TAINTED] DUMPFILE: /exports/testreports/68845/testresults/sanity-compr-special3-zfs-DNE-rocky8.10_x86_64-rocky8.10_x86_64/oleg432-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Wed Aug 26 07:55:29 EDT 2026 UPTIME: 00:07:24 LOAD AVERAGE: 1.16, 1.43, 0.78 TASKS: 399 NODENAME: oleg432-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: 8113 COMMAND: "ll_ost_io00_002" TASK: ffff9261492b27c0 [THREAD_INFO: ffff9261492b27c0] 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 crct10dif_pclmul module mod: cannot find or load object file for intel_rapl_msr 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 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 ata_generic module mod: cannot find or load object file for squashfs module mod: cannot find or load object file for intel_rapl_common module mod: cannot find or load object file for sb_edac module mod: cannot find or load object file for dns_resolver 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 ffffffffc06c5740 libcfs ffffffffc06a5000 225280 /tmp/crash-anaysis.9Of9H/modules/libcfs.ko mod: cannot find or load object file for spl module mod: cannot find or load object file for zfs module ffffffffc10e73c0 lnet ffffffffc100c000 1490944 /tmp/crash-anaysis.9Of9H/modules/lnet.ko ffffffffc11a2900 ksocklnd ffffffffc1179000 270336 /tmp/crash-anaysis.9Of9H/modules/ksocklnd.ko ffffffffc1300800 obdclass ffffffffc11bc000 4395008 /tmp/crash-anaysis.9Of9H/modules/obdclass.ko ffffffffc187b240 ptlrpc ffffffffc15ee000 4186112 /tmp/crash-anaysis.9Of9H/modules/ptlrpc.ko ffffffffc1a3b880 ptlrpc_gss ffffffffc19ed000 524288 /tmp/crash-anaysis.9Of9H/modules/ptlrpc_gss.ko ffffffffc1a80c80 fld ffffffffc1a6e000 126976 /tmp/crash-anaysis.9Of9H/modules/fld.ko ffffffffc1aa0ac0 fid ffffffffc1a8e000 126976 /tmp/crash-anaysis.9Of9H/modules/fid.ko ffffffffc1ac0740 ec ffffffffc1aae000 81920 /tmp/crash-anaysis.9Of9H/modules/ec.ko ffffffffc1b00080 lmv ffffffffc1ac3000 372736 /tmp/crash-anaysis.9Of9H/modules/lmv.ko ffffffffc1b9fd00 osc ffffffffc1b1f000 778240 /tmp/crash-anaysis.9Of9H/modules/osc.ko ffffffffc1c36a00 lov ffffffffc1bde000 552960 /tmp/crash-anaysis.9Of9H/modules/lov.ko ffffffffc1cb0b80 mdc ffffffffc1c66000 466944 /tmp/crash-anaysis.9Of9H/modules/mdc.ko ffffffffc1cf5000 mgc ffffffffc1cd9000 184320 /tmp/crash-anaysis.9Of9H/modules/mgc.ko ffffffffc1d285c0 obdecho ffffffffc1d07000 225280 /tmp/crash-anaysis.9Of9H/modules/obdecho.ko ffffffffc1df9200 lfsck ffffffffc1d3f000 1081344 /tmp/crash-anaysis.9Of9H/modules/lfsck.ko ffffffffc1ec8240 lquota ffffffffc1e48000 786432 /tmp/crash-anaysis.9Of9H/modules/lquota.ko ffffffffc1f73ac0 osd_zfs ffffffffc1f09000 655360 /tmp/crash-anaysis.9Of9H/modules/osd_zfs.ko ffffffffc200d400 mgs ffffffffc1faa000 626688 /tmp/crash-anaysis.9Of9H/modules/mgs.ko ffffffffc20bf080 mdd ffffffffc2044000 745472 /tmp/crash-anaysis.9Of9H/modules/mdd.ko ffffffffc2209880 mdt ffffffffc20fb000 1654784 /tmp/crash-anaysis.9Of9H/modules/mdt.ko ffffffffc233b480 lod ffffffffc2290000 1052672 /tmp/crash-anaysis.9Of9H/modules/lod.ko ffffffffc2402fc0 ofd ffffffffc2392000 696320 /tmp/crash-anaysis.9Of9H/modules/ofd.ko ffffffffc2498f80 osp ffffffffc243d000 573440 /tmp/crash-anaysis.9Of9H/modules/osp.ko ffffffffc25fe640 lustre ffffffffc24ca000 1908736 /tmp/crash-anaysis.9Of9H/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, 0xffff926150d11f88) 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 188 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, 0xffff92615875d508) 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 185 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, 0xffff9261581d6b48) 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 240 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, 0xffff9261453adc08) lustre_walk_cpus(3, 5, 2) cmd p (*cfs_trace_data[0])[3].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[0])[3].tcd.tcd_daemon_pages.next lustre: Dumped 191 debug pages from type 0 - CPU 3 lustre_walk_cpus(0, 5, 1) cmd p (*cfs_trace_data[1])[0].tcd.tcd_cur_pages // p (*cfs_trace_data[1])[0].tcd.tcd_pages.next lustre_walk_cpus(0, 5, 2) cmd p (*cfs_trace_data[1])[0].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[1])[0].tcd.tcd_daemon_pages.next lustre: Dumped 0 debug pages from type 1 - CPU 0 lustre_walk_cpus(1, 5, 1) cmd p (*cfs_trace_data[1])[1].tcd.tcd_cur_pages // p (*cfs_trace_data[1])[1].tcd.tcd_pages.next lustre_walk_cpus(1, 5, 2) cmd p (*cfs_trace_data[1])[1].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[1])[1].tcd.tcd_daemon_pages.next lustre: Dumped 0 debug pages from type 1 - CPU 1 lustre_walk_cpus(2, 5, 1) cmd p (*cfs_trace_data[1])[2].tcd.tcd_cur_pages // p (*cfs_trace_data[1])[2].tcd.tcd_pages.next lustre_walk_cpus(2, 5, 2) cmd p (*cfs_trace_data[1])[2].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[1])[2].tcd.tcd_daemon_pages.next lustre: Dumped 0 debug pages from type 1 - CPU 2 lustre_walk_cpus(3, 5, 1) cmd p (*cfs_trace_data[1])[3].tcd.tcd_cur_pages // p (*cfs_trace_data[1])[3].tcd.tcd_pages.next lustre_walk_cpus(3, 5, 2) cmd p (*cfs_trace_data[1])[3].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[1])[3].tcd.tcd_daemon_pages.next lustre: Dumped 0 debug pages from type 1 - CPU 3 lustre_walk_cpus(0, 5, 1) cmd p (*cfs_trace_data[2])[0].tcd.tcd_cur_pages // p (*cfs_trace_data[2])[0].tcd.tcd_pages.next lustre_walk_cpus(0, 5, 2) cmd p (*cfs_trace_data[2])[0].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[2])[0].tcd.tcd_daemon_pages.next lustre: Dumped 0 debug pages from type 2 - CPU 0 lustre_walk_cpus(1, 5, 1) cmd p (*cfs_trace_data[2])[1].tcd.tcd_cur_pages // p (*cfs_trace_data[2])[1].tcd.tcd_pages.next lustre_walk_cpus(1, 5, 2) cmd p (*cfs_trace_data[2])[1].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[2])[1].tcd.tcd_daemon_pages.next lustre: Dumped 0 debug pages from type 2 - CPU 1 lustre_walk_cpus(2, 5, 1) cmd p (*cfs_trace_data[2])[2].tcd.tcd_cur_pages // p (*cfs_trace_data[2])[2].tcd.tcd_pages.next lustre_walk_cpus(2, 5, 2) cmd p (*cfs_trace_data[2])[2].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[2])[2].tcd.tcd_daemon_pages.next lustre: Dumped 0 debug pages from type 2 - CPU 2 lustre_walk_cpus(3, 5, 1) cmd p (*cfs_trace_data[2])[3].tcd.tcd_cur_pages // p (*cfs_trace_data[2])[3].tcd.tcd_pages.next lustre_walk_cpus(3, 5, 2) cmd p (*cfs_trace_data[2])[3].tcd.tcd_cur_daemon_pages // p (*cfs_trace_data[2])[3].tcd.tcd_daemon_pages.next lustre: Dumped 0 debug pages from type 2 - CPU 3 lustre: Dumped 804 total debug pages from 4 CPUs to /tmp/crash-anaysis.9Of9H/lustre.bin