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.VNVhm/vmlinux [TAINTED] DUMPFILE: /exports/testreports/60916/testresults/conf-sanity2-ldiskfs-DNE-rocky8.10_x86_64-rocky8.10_x86_64/oleg152-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Sat Mar 7 13:17:56 EST 2026 UPTIME: 00:25:08 LOAD AVERAGE: 0.74, 0.89, 0.88 TASKS: 230 NODENAME: oleg152-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: 83630 COMMAND: "umount" TASK: ffff977d4de84f80 [THREAD_INFO: ffff977d4de84f80] CPU: 1 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 pcspkr 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 ata_generic 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 i2c_piix4 module mod: cannot find or load object file for serio_raw module mod: cannot find or load object file for rapl module mod: cannot find or load object file for crc32_pclmul module mod: cannot find or load object file for ghash_clmulni_intel 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 ata_piix module mod: cannot find or load object file for crc32c_intel 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 ffffffffc0739000 fld ffffffffc0725000 131072 /tmp/crash-anaysis.VNVhm/modules/fld.ko ffffffffc0758740 ec ffffffffc0746000 81920 /tmp/crash-anaysis.VNVhm/modules/ec.ko ffffffffc07b56c0 libcfs ffffffffc0795000 229376 /tmp/crash-anaysis.VNVhm/modules/libcfs.ko ffffffffc08a7100 lnet ffffffffc07ce000 1478656 /tmp/crash-anaysis.VNVhm/modules/lnet.ko ffffffffc0962c00 ksocklnd ffffffffc0938000 282624 /tmp/crash-anaysis.VNVhm/modules/ksocklnd.ko ffffffffc0abdd80 obdclass ffffffffc097e000 4358144 /tmp/crash-anaysis.VNVhm/modules/obdclass.ko ffffffffc10350c0 ptlrpc ffffffffc0da7000 4186112 /tmp/crash-anaysis.VNVhm/modules/ptlrpc.ko ffffffffc11f25c0 ptlrpc_gss ffffffffc11a6000 512000 /tmp/crash-anaysis.VNVhm/modules/ptlrpc_gss.ko ffffffffc1236bc0 fid ffffffffc1224000 126976 /tmp/crash-anaysis.VNVhm/modules/fid.ko ffffffffc1280e40 lmv ffffffffc1244000 372736 /tmp/crash-anaysis.VNVhm/modules/lmv.ko ffffffffc1315d80 osc ffffffffc12a0000 720896 /tmp/crash-anaysis.VNVhm/modules/osc.ko ffffffffc13a7500 lov ffffffffc1351000 540672 /tmp/crash-anaysis.VNVhm/modules/lov.ko ffffffffc141e840 mdc ffffffffc13d6000 454656 /tmp/crash-anaysis.VNVhm/modules/mdc.ko ffffffffc1461cc0 mgc ffffffffc1446000 180224 /tmp/crash-anaysis.VNVhm/modules/mgc.ko ffffffffc1494580 obdecho ffffffffc1473000 221184 /tmp/crash-anaysis.VNVhm/modules/obdecho.ko ffffffffc1571040 lfsck ffffffffc14aa000 1159168 /tmp/crash-anaysis.VNVhm/modules/lfsck.ko ffffffffc1640800 lquota ffffffffc15c6000 753664 /tmp/crash-anaysis.VNVhm/modules/lquota.ko ffffffffc178b280 ldiskfs ffffffffc167f000 1679360 /tmp/crash-anaysis.VNVhm/modules/ldiskfs.ko ffffffffc18ba880 osd_ldiskfs ffffffffc181a000 983040 /tmp/crash-anaysis.VNVhm/modules/osd_ldiskfs.ko ffffffffc196ae80 mgs ffffffffc190b000 606208 /tmp/crash-anaysis.VNVhm/modules/mgs.ko ffffffffc1a250c0 mdd ffffffffc19a0000 802816 /tmp/crash-anaysis.VNVhm/modules/mdd.ko ffffffffc1b73a00 mdt ffffffffc1a65000 1654784 /tmp/crash-anaysis.VNVhm/modules/mdt.ko ffffffffc1ca4200 lod ffffffffc1bfa000 1044480 /tmp/crash-anaysis.VNVhm/modules/lod.ko ffffffffc1d60080 ofd ffffffffc1cfa000 626688 /tmp/crash-anaysis.VNVhm/modules/ofd.ko ffffffffc1deedc0 osp ffffffffc1d94000 565248 /tmp/crash-anaysis.VNVhm/modules/osp.ko ffffffffc1f4ec00 lustre ffffffffc1e1f000 1880064 /tmp/crash-anaysis.VNVhm/modules/lustre.ko mod: cannot find or load object file for dm_flakey module mod: cannot find or load object file for spl module mod: cannot find or load object file for zfs module mod: cannot find or load object file for loop 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, 0xffff977d53b7e908) 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 870 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, 0xffff977d53c6e388) 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 1024 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, 0xffff977e7b1826c8) 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 871 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, 0xffff977d46462408) 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 983 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, 0xffff977e44ef16e8) 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 2 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, 0xffff977e7c659ce8) 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 2 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, 0xffff977e7b182788) 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, 0xffff977e50a8d1c8) 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 2 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_trace_pages(1, 5, 0xffff977d4cf9d2e8) 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 1 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 3756 total debug pages from 4 CPUs to /tmp/crash-anaysis.VNVhm/lustre.bin