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.tvWag/vmlinux [TAINTED] DUMPFILE: /exports/testreports/70441/testresults/sanity-lfsck-ldiskfs-DNE-rocky8.10_x86_64-rocky8.10_x86_64-retry1/oleg346-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Thu Sep 17 19:18:32 EDT 2026 UPTIME: 01:07:21 LOAD AVERAGE: 1.88, 1.66, 1.58 TASKS: 263 NODENAME: oleg346-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 0000000000000000" PID: 133571 COMMAND: "lfsck" TASK: ffff8d07ce2c8000 [THREAD_INFO: ffff8d07ce2c8000] 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 intel_rapl_msr 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 crc32c_intel 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 pcspkr module mod: cannot find or load object file for serio_raw module mod: cannot find or load object file for i2c_piix4 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 dns_resolver 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 sb_edac 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 mod: cannot find or load object file for rpcsec_gss_krb5 module mod: cannot find or load object file for dm_flakey module MODULE NAME BASE SIZE OBJECT FILE ffffffffc0754c80 fld ffffffffc0742000 126976 /tmp/crash-anaysis.tvWag/modules/fld.ko ffffffffc07ca640 libcfs ffffffffc07aa000 225280 /tmp/crash-anaysis.tvWag/modules/libcfs.ko ffffffffc08bd4c0 lnet ffffffffc07e2000 1495040 /tmp/crash-anaysis.tvWag/modules/lnet.ko ffffffffc0979900 ksocklnd ffffffffc0950000 270336 /tmp/crash-anaysis.tvWag/modules/ksocklnd.ko ffffffffc0ad5080 obdclass ffffffffc0993000 4382720 /tmp/crash-anaysis.tvWag/modules/obdclass.ko ffffffffc1055180 ptlrpc ffffffffc0dc2000 4222976 /tmp/crash-anaysis.tvWag/modules/ptlrpc.ko ffffffffc1222740 ptlrpc_gss ffffffffc11ca000 593920 /tmp/crash-anaysis.tvWag/modules/ptlrpc_gss.ko ffffffffc127c740 ec ffffffffc126a000 81920 /tmp/crash-anaysis.tvWag/modules/ec.ko ffffffffc1291ac0 fid ffffffffc127f000 126976 /tmp/crash-anaysis.tvWag/modules/fid.ko ffffffffc12dc080 lmv ffffffffc129f000 372736 /tmp/crash-anaysis.tvWag/modules/lmv.ko ffffffffc1370d00 osc ffffffffc12fb000 716800 /tmp/crash-anaysis.tvWag/modules/osc.ko ffffffffc1402780 lov ffffffffc13ab000 548864 /tmp/crash-anaysis.tvWag/modules/lov.ko ffffffffc147cb80 mdc ffffffffc1432000 466944 /tmp/crash-anaysis.tvWag/modules/mdc.ko ffffffffc14c1000 mgc ffffffffc14a5000 184320 /tmp/crash-anaysis.tvWag/modules/mgc.ko ffffffffc14f5740 obdecho ffffffffc14d3000 229376 /tmp/crash-anaysis.tvWag/modules/obdecho.ko ffffffffc15c60c0 lfsck ffffffffc150c000 1077248 /tmp/crash-anaysis.tvWag/modules/lfsck.ko ffffffffc1694240 lquota ffffffffc1614000 786432 /tmp/crash-anaysis.tvWag/modules/lquota.ko ffffffffc17e1280 ldiskfs ffffffffc16d5000 1679360 /tmp/crash-anaysis.tvWag/modules/ldiskfs.ko ffffffffc1911c00 osd_ldiskfs ffffffffc1870000 995328 /tmp/crash-anaysis.tvWag/modules/osd_ldiskfs.ko ffffffffc19c7380 mgs ffffffffc1964000 626688 /tmp/crash-anaysis.tvWag/modules/mgs.ko ffffffffc1a79080 mdd ffffffffc19fe000 745472 /tmp/crash-anaysis.tvWag/modules/mdd.ko ffffffffc1bc3980 mdt ffffffffc1ab5000 1654784 /tmp/crash-anaysis.tvWag/modules/mdt.ko ffffffffc1cf4240 lod ffffffffc1c4a000 1048576 /tmp/crash-anaysis.tvWag/modules/lod.ko ffffffffc1dad880 ofd ffffffffc1d4b000 610304 /tmp/crash-anaysis.tvWag/modules/ofd.ko ffffffffc1e3cf80 osp ffffffffc1de1000 573440 /tmp/crash-anaysis.tvWag/modules/osp.ko mod: cannot find or load object file for spl module mod: cannot find or load object file for zfs module ffffffffc2a4c840 lustre ffffffffc2918000 1908736 /tmp/crash-anaysis.tvWag/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, 0xffff8d07c6a30508) 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 1375 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, 0xffff8d07cd5297e8) 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 1343 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, 0xffff8d08c7970cc8) 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 1418 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, 0xffff8d07cc1076e8) 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 1459 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, 0xffff8d07c6a302e8) 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_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_trace_pages(2, 5, 0xffff8d07cef74808) 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, 0xffff8d07c6bbdb08) 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_trace_pages(3, 5, 0xffff8d08e0972e48) 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 1 debug pages from type 2 - CPU 3 lustre: Dumped 5599 total debug pages from 4 CPUs to /tmp/crash-anaysis.tvWag/lustre.bin