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.sRxNm/vmlinux [TAINTED] DUMPFILE: /exports/testreports/68865/testresults/sanity-lfsck-zfs-rocky8.10_x86_64-rocky8.10_x86_64/oleg324-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Thu Aug 27 10:32:09 EDT 2026 UPTIME: 00:46:25 LOAD AVERAGE: 1.38, 1.51, 1.55 TASKS: 345 NODENAME: oleg324-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: 82138 COMMAND: "ll_ost_io00_002" TASK: ffff9e4d849d0000 [THREAD_INFO: ffff9e4d849d0000] 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 crct10dif_pclmul 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 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 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 rapl module mod: cannot find or load object file for dns_resolver module mod: cannot find or load object file for sb_edac module mod: cannot find or load object file for rpcsec_gss_krb5 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 ffffffffc0764740 libcfs ffffffffc0744000 225280 /tmp/crash-anaysis.sRxNm/modules/libcfs.ko mod: cannot find or load object file for spl module mod: cannot find or load object file for zfs module ffffffffc11843c0 lnet ffffffffc10a9000 1490944 /tmp/crash-anaysis.sRxNm/modules/lnet.ko ffffffffc123f900 ksocklnd ffffffffc1216000 270336 /tmp/crash-anaysis.sRxNm/modules/ksocklnd.ko ffffffffc139ea80 obdclass ffffffffc1259000 4403200 /tmp/crash-anaysis.sRxNm/modules/obdclass.ko ffffffffc19190c0 ptlrpc ffffffffc168d000 4173824 /tmp/crash-anaysis.sRxNm/modules/ptlrpc.ko ffffffffc1ad7880 ptlrpc_gss ffffffffc1a89000 524288 /tmp/crash-anaysis.sRxNm/modules/ptlrpc_gss.ko ffffffffc1b1cc80 fld ffffffffc1b0a000 126976 /tmp/crash-anaysis.sRxNm/modules/fld.ko ffffffffc1b3cac0 fid ffffffffc1b2a000 126976 /tmp/crash-anaysis.sRxNm/modules/fid.ko ffffffffc1b5c740 ec ffffffffc1b4a000 81920 /tmp/crash-anaysis.sRxNm/modules/ec.ko ffffffffc1b9c080 lmv ffffffffc1b5f000 372736 /tmp/crash-anaysis.sRxNm/modules/lmv.ko ffffffffc1c3d2c0 osc ffffffffc1bbb000 790528 /tmp/crash-anaysis.sRxNm/modules/osc.ko ffffffffc1cd5a00 lov ffffffffc1c7d000 552960 /tmp/crash-anaysis.sRxNm/modules/lov.ko ffffffffc1d4fb80 mdc ffffffffc1d05000 466944 /tmp/crash-anaysis.sRxNm/modules/mdc.ko ffffffffc1d94000 mgc ffffffffc1d78000 184320 /tmp/crash-anaysis.sRxNm/modules/mgc.ko ffffffffc1dc75c0 obdecho ffffffffc1da6000 225280 /tmp/crash-anaysis.sRxNm/modules/obdecho.ko ffffffffc1e98340 lfsck ffffffffc1dde000 1081344 /tmp/crash-anaysis.sRxNm/modules/lfsck.ko ffffffffc1f67240 lquota ffffffffc1ee7000 786432 /tmp/crash-anaysis.sRxNm/modules/lquota.ko ffffffffc2012ac0 osd_zfs ffffffffc1fa8000 655360 /tmp/crash-anaysis.sRxNm/modules/osd_zfs.ko ffffffffc20ac400 mgs ffffffffc2049000 626688 /tmp/crash-anaysis.sRxNm/modules/mgs.ko ffffffffc215e080 mdd ffffffffc20e3000 745472 /tmp/crash-anaysis.sRxNm/modules/mdd.ko ffffffffc22a8940 mdt ffffffffc219a000 1654784 /tmp/crash-anaysis.sRxNm/modules/mdt.ko ffffffffc23da480 lod ffffffffc232f000 1052672 /tmp/crash-anaysis.sRxNm/modules/lod.ko ffffffffc249ea40 ofd ffffffffc2431000 679936 /tmp/crash-anaysis.sRxNm/modules/ofd.ko ffffffffc2533f80 osp ffffffffc24d8000 573440 /tmp/crash-anaysis.sRxNm/modules/osp.ko ffffffffc26996c0 lustre ffffffffc2565000 1912832 /tmp/crash-anaysis.sRxNm/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, 0xffff9e4d84d0aee8) 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 2090 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, 0xffff9e4d83f06d68) 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 1963 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, 0xffff9e4da9c42748) 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 2633 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, 0xffff9e4d85361428)