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.8OD7s/vmlinux [TAINTED] DUMPFILE: /exports/testreports/51241/testresults/sanity-scrub-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg329-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Wed Apr 30 22:21:08 EDT 2025 UPTIME: 00:27:47 LOAD AVERAGE: 2.12, 1.36, 1.01 TASKS: 258 NODENAME: oleg329-server.virtnet RELEASE: 3.10.0-7.9-debug VERSION: #1 SMP Sat Mar 26 23:28:42 EDT 2022 MACHINE: x86_64 (2399 Mhz) MEMORY: 4 GB PANIC: "BUG: unable to handle kernel NULL pointer dereference at (null)" PID: 4296 COMMAND: "lfsck" TASK: ffff88006ebb2220 [THREAD_INFO: ffff880096f68000] CPU: 3 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 libata module mod: cannot find or load object file for serio_raw module mod: cannot find or load object file for pata_acpi module mod: cannot find or load object file for mbcache module mod: cannot find or load object file for crc32c_intel module mod: cannot find or load object file for ata_piix module mod: cannot find or load object file for ata_generic module mod: cannot find or load object file for pcspkr module mod: cannot find or load object file for crct10dif_pclmul module mod: cannot find or load object file for ablk_helper module mod: cannot find or load object file for crct10dif_common module mod: cannot find or load object file for jbd2 module mod: cannot find or load object file for ext4 module mod: cannot find or load object file for binfmt_misc module mod: cannot find or load object file for iosf_mbi module mod: cannot find or load object file for cryptd module mod: cannot find or load object file for lrw module mod: cannot find or load object file for ghash_clmulni_intel module mod: cannot find or load object file for crc_t10dif module mod: cannot find or load object file for ip_tables module mod: cannot find or load object file for glue_helper module mod: cannot find or load object file for i2c_core module mod: cannot find or load object file for crct10dif_generic module mod: cannot find or load object file for i2c_piix4 module mod: cannot find or load object file for gf128mul module mod: cannot find or load object file for aesni_intel module mod: cannot find or load object file for irqbypass module mod: cannot find or load object file for crc32_pclmul module mod: cannot find or load object file for dm_flakey module mod: cannot find or load object file for kvm module mod: cannot find or load object file for zavl module mod: cannot find or load object file for squashfs module mod: cannot find or load object file for edac_core module mod: cannot find or load object file for rpcsec_gss_krb5 module MODULE NAME BASE SIZE OBJECT FILE ffffffffa029d3a0 libcfs ffffffffa0290000 86805 /tmp/crash-anaysis.8OD7s/modules/libcfs.ko mod: cannot find or load object file for sb_edac module mod: cannot find or load object file for dm_mod module ffffffffa02f3160 fid ffffffffa02e5000 84802 /tmp/crash-anaysis.8OD7s/modules/fid.ko ffffffffa0399fe0 lnet ffffffffa0307000 938755 /tmp/crash-anaysis.8OD7s/modules/lnet.ko mod: cannot find or load object file for spl module ffffffffa04318a0 ksocklnd ffffffffa0414000 173659 /tmp/crash-anaysis.8OD7s/modules/ksocklnd.ko ffffffffa0478a20 ptlrpc_gss ffffffffa0440000 336904 /tmp/crash-anaysis.8OD7s/modules/ptlrpc_gss.ko ffffffffa04a16e0 fld ffffffffa0494000 84453 /tmp/crash-anaysis.8OD7s/modules/fld.ko ffffffffa04d5700 lmv ffffffffa04aa000 234641 /tmp/crash-anaysis.8OD7s/modules/lmv.ko mod: cannot find or load object file for znvpair module mod: cannot find or load object file for kvm_intel module ffffffffa061c8a0 obdclass ffffffffa0540000 2751450 /tmp/crash-anaysis.8OD7s/modules/obdclass.ko ffffffffa09a38c0 ptlrpc ffffffffa07e1000 2637991 /tmp/crash-anaysis.8OD7s/modules/ptlrpc.ko ffffffffa0ac4520 osc ffffffffa0a74000 448391 /tmp/crash-anaysis.8OD7s/modules/osc.ko ffffffffa0b3b9e0 lov ffffffffa0aff000 341702 /tmp/crash-anaysis.8OD7s/modules/lov.ko ffffffffa0b9ac00 mdc ffffffffa0b68000 276988 /tmp/crash-anaysis.8OD7s/modules/mdc.ko ffffffffa0bc0c20 mgc ffffffffa0bad000 114311 /tmp/crash-anaysis.8OD7s/modules/mgc.ko ffffffffa0be2060 obdecho ffffffffa0bca000 143140 /tmp/crash-anaysis.8OD7s/modules/obdecho.ko ffffffffa0c34dc0 ofd ffffffffa0bee000 386197 /tmp/crash-anaysis.8OD7s/modules/ofd.ko mod: cannot find or load object file for zcommon module ffffffffa0d00bc0 lfsck ffffffffa0c6b000 772474 /tmp/crash-anaysis.8OD7s/modules/lfsck.ko ffffffffa0d7d2a0 lquota ffffffffa0d29000 464257 /tmp/crash-anaysis.8OD7s/modules/lquota.ko ffffffffa0e1e9c0 ldiskfs ffffffffa0d9c000 654940 /tmp/crash-anaysis.8OD7s/modules/ldiskfs.ko ffffffffa0ea9400 osd_ldiskfs ffffffffa0e3d000 585726 /tmp/crash-anaysis.8OD7s/modules/osd_ldiskfs.ko ffffffffa0f11120 mgs ffffffffa0ecd000 374304 /tmp/crash-anaysis.8OD7s/modules/mgs.ko ffffffffa0f87f00 mdd ffffffffa0f2a000 502753 /tmp/crash-anaysis.8OD7s/modules/mdd.ko ffffffffa0fe6300 osp ffffffffa0fa6000 358704 /tmp/crash-anaysis.8OD7s/modules/osp.ko mod: cannot find or load object file for zlua module ffffffffa10fb620 mdt ffffffffa103e000 1043385 /tmp/crash-anaysis.8OD7s/modules/mdt.ko ffffffffa11b7620 lod ffffffffa113e000 665397 /tmp/crash-anaysis.8OD7s/modules/lod.ko mod: cannot find or load object file for icp module mod: cannot find or load object file for zzstd module mod: cannot find or load object file for zunicode module mod: cannot find or load object file for zfs module ffffffffa18863c0 lustre ffffffffa17b5000 1141507 /tmp/crash-anaysis.8OD7s/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, 0xffff880070c698c8) 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 1024 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, 0xffff8800acd94b88) 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, 0xffff8800b22a7028) 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 1024 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, 0xffff88012d0acaa8) 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 1024 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, 0xffff8800b1f57ca8) 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 128 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, 0xffff8800a8f2ad48) 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 128 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, 0xffff88012f38e1e8) 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 128 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, 0xffff8800a52ec808) 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 128 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_trace_pages(0, 5, 0xffff8800b52aa128) 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 25 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 4633 total debug pages from 4 CPUs to /tmp/crash-anaysis.8OD7s/lustre.bin