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.H8Q7f/vmlinux [TAINTED] DUMPFILE: /exports/testreports/64607/testresults/sanity-hsm-ldiskfs-DNE-rocky8.10_x86_64-rocky8.10_x86_64/oleg429-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Tue Jun 2 21:15:41 EDT 2026 UPTIME: 00:06:09 LOAD AVERAGE: 1.72, 1.24, 0.58 TASKS: 258 NODENAME: oleg429-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: "Kernel panic - not syncing: LBUG" PID: 10971 COMMAND: "mdt00_004" TASK: ffff920d0212cf80 [THREAD_INFO: ffff920d0212cf80] 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 crc32_pclmul module mod: cannot find or load object file for ata_generic module mod: cannot find or load object file for crc32c_intel module mod: cannot find or load object file for intel_rapl_msr module mod: cannot find or load object file for crct10dif_pclmul module mod: cannot find or load object file for pcspkr 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 ata_piix module mod: cannot find or load object file for squashfs module mod: cannot find or load object file for i2c_piix4 module mod: cannot find or load object file for dns_resolver module mod: cannot find or load object file for intel_rapl_common module mod: cannot find or load object file for auth_rpcgss module mod: cannot find or load object file for rapl module mod: cannot find or load object file for sb_edac module mod: cannot find or load object file for nfsv4 module mod: cannot find or load object file for rpcsec_gss_krb5 module MODULE NAME BASE SIZE OBJECT FILE ffffffffc07a6000 fld ffffffffc0791000 135168 /tmp/crash-anaysis.H8Q7f/modules/fld.ko ffffffffc07c5740 ec ffffffffc07b3000 81920 /tmp/crash-anaysis.H8Q7f/modules/ec.ko mod: cannot find or load object file for dm_flakey module ffffffffc0825940 libcfs ffffffffc0805000 233472 /tmp/crash-anaysis.H8Q7f/modules/libcfs.ko ffffffffc0916ac0 lnet ffffffffc083f000 1466368 /tmp/crash-anaysis.H8Q7f/modules/lnet.ko ffffffffc09cf8c0 ksocklnd ffffffffc09a6000 270336 /tmp/crash-anaysis.H8Q7f/modules/ksocklnd.ko ffffffffc0b2b540 obdclass ffffffffc09e9000 4374528 /tmp/crash-anaysis.H8Q7f/modules/obdclass.ko ffffffffc10a5240 ptlrpc ffffffffc0e16000 4190208 /tmp/crash-anaysis.H8Q7f/modules/ptlrpc.ko ffffffffc12625c0 ptlrpc_gss ffffffffc1216000 512000 /tmp/crash-anaysis.H8Q7f/modules/ptlrpc_gss.ko ffffffffc12a6bc0 fid ffffffffc1294000 126976 /tmp/crash-anaysis.H8Q7f/modules/fid.ko ffffffffc12f1000 lmv ffffffffc12b4000 372736 /tmp/crash-anaysis.H8Q7f/modules/lmv.ko ffffffffc1385d00 osc ffffffffc1310000 712704 /tmp/crash-anaysis.H8Q7f/modules/osc.ko ffffffffc1415580 lov ffffffffc13bf000 540672 /tmp/crash-anaysis.H8Q7f/modules/lov.ko ffffffffc148eb80 mdc ffffffffc1444000 466944 /tmp/crash-anaysis.H8Q7f/modules/mdc.ko ffffffffc14d3080 mgc ffffffffc14b7000 184320 /tmp/crash-anaysis.H8Q7f/modules/mgc.ko ffffffffc1506580 obdecho ffffffffc14e5000 221184 /tmp/crash-anaysis.H8Q7f/modules/obdecho.ko ffffffffc15e3040 lfsck ffffffffc151c000 1159168 /tmp/crash-anaysis.H8Q7f/modules/lfsck.ko ffffffffc16bbe80 lquota ffffffffc1638000 806912 /tmp/crash-anaysis.H8Q7f/modules/lquota.ko ffffffffc180a280 ldiskfs ffffffffc16fe000 1679360 /tmp/crash-anaysis.H8Q7f/modules/ldiskfs.ko ffffffffc193adc0 osd_ldiskfs ffffffffc1899000 995328 /tmp/crash-anaysis.H8Q7f/modules/osd_ldiskfs.ko ffffffffc19f0740 mgs ffffffffc198d000 626688 /tmp/crash-anaysis.H8Q7f/modules/mgs.ko ffffffffc1aad380 mdd ffffffffc1a27000 806912 /tmp/crash-anaysis.H8Q7f/modules/mdd.ko ffffffffc1bfd2c0 mdt ffffffffc1aed000 1662976 /tmp/crash-anaysis.H8Q7f/modules/mdt.ko ffffffffc1d322c0 lod ffffffffc1c84000 1073152 /tmp/crash-anaysis.H8Q7f/modules/lod.ko ffffffffc1df28c0 ofd ffffffffc1d8b000 638976 /tmp/crash-anaysis.H8Q7f/modules/ofd.ko ffffffffc1e855c0 osp ffffffffc1e28000 581632 /tmp/crash-anaysis.H8Q7f/modules/osp.ko ffffffffc1fe8d40 lustre ffffffffc1eb7000 1896448 /tmp/crash-anaysis.H8Q7f/modules/lustre.ko mod: cannot find or load object file for spl module mod: cannot find or load object file for zfs module 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, 0xffff920e096ff328) 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 282 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, 0xffff920e09548e08) 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 299 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, 0xffff920e105ba2c8) 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 350 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, 0xffff920e0c96e428) 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 307 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_trace_pages(0, 5, 0xffff920e06878d08) 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 1 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_trace_pages(1, 5, 0xffff920e055b16e8) 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 1 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_trace_pages(2, 5, 0xffff920e05813568) 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 1 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_trace_pages(3, 5, 0xffff920e07cfbf68) 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 1 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 1242 total debug pages from 4 CPUs to /tmp/crash-anaysis.H8Q7f/lustre.bin