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.T9jWv/vmlinux [TAINTED] DUMPFILE: /exports/testreports/50430/testresults/sanity-hsm-zfs-centos7_x86_64-centos7_x86_64/oleg353-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Tue Apr 1 13:38:51 EDT 2025 UPTIME: 00:25:24 LOAD AVERAGE: 0.34, 0.32, 0.31 TASKS: 161 NODENAME: oleg353-client.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 000000000000012e" PID: 12490 COMMAND: "lfs" TASK: ffff8800aaf6a220 [THREAD_INFO: ffff8800a81ec000] CPU: 0 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 crct10dif_pclmul module mod: cannot find or load object file for pata_acpi 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 mbcache module mod: cannot find or load object file for ip_tables module mod: cannot find or load object file for binfmt_misc 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 pcspkr module mod: cannot find or load object file for i2c_core module mod: cannot find or load object file for gf128mul module mod: cannot find or load object file for cryptd module mod: cannot find or load object file for ablk_helper module mod: cannot find or load object file for ghash_clmulni_intel module mod: cannot find or load object file for iosf_mbi module mod: cannot find or load object file for irqbypass module mod: cannot find or load object file for crct10dif_generic module mod: cannot find or load object file for lrw module mod: cannot find or load object file for crc_t10dif module mod: cannot find or load object file for i2c_piix4 module mod: cannot find or load object file for crc32_pclmul module mod: cannot find or load object file for rpcsec_gss_krb5 module mod: cannot find or load object file for glue_helper module mod: cannot find or load object file for aesni_intel module mod: cannot find or load object file for kvm module MODULE NAME BASE SIZE OBJECT FILE ffffffffa0269380 ost ffffffffa0266000 19298 /tmp/crash-anaysis.T9jWv/modules/ost.ko 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 edac_core module ffffffffa02bc7e0 fld ffffffffa02ae000 88713 /tmp/crash-anaysis.T9jWv/modules/fld.ko ffffffffa02f2360 libcfs ffffffffa02dd000 132619 /tmp/crash-anaysis.T9jWv/modules/libcfs.ko ffffffffa0395020 lnet ffffffffa02ff000 958750 /tmp/crash-anaysis.T9jWv/modules/lnet.ko ffffffffa04098a0 ksocklnd ffffffffa03eb000 182768 /tmp/crash-anaysis.T9jWv/modules/ksocklnd.ko ffffffffa0451de0 ptlrpc_gss ffffffffa0419000 342063 /tmp/crash-anaysis.T9jWv/modules/ptlrpc_gss.ko ffffffffa047c1a0 fid ffffffffa046e000 84843 /tmp/crash-anaysis.T9jWv/modules/fid.ko ffffffffa04af860 lmv ffffffffa0484000 234767 /tmp/crash-anaysis.T9jWv/modules/lmv.ko ffffffffa04f18a0 mdc ffffffffa04bf000 276564 /tmp/crash-anaysis.T9jWv/modules/mdc.ko mod: cannot find or load object file for kvm_intel module ffffffffa0610580 obdclass ffffffffa0543000 2652163 /tmp/crash-anaysis.T9jWv/modules/obdclass.ko ffffffffa097caa0 ptlrpc ffffffffa07cc000 2543606 /tmp/crash-anaysis.T9jWv/modules/ptlrpc.ko ffffffffa0a85d40 osc ffffffffa0a3a000 427843 /tmp/crash-anaysis.T9jWv/modules/osc.ko ffffffffa0ade660 lov ffffffffa0aa4000 332217 /tmp/crash-anaysis.T9jWv/modules/lov.ko ffffffffa0b09920 mgc ffffffffa0af7000 109376 /tmp/crash-anaysis.T9jWv/modules/mgc.ko ffffffffa0b2c120 obdecho ffffffffa0b13000 151561 /tmp/crash-anaysis.T9jWv/modules/obdecho.ko ffffffffa0bd1240 lfsck ffffffffa0b3a000 782830 /tmp/crash-anaysis.T9jWv/modules/lfsck.ko ffffffffa0c73280 lquota ffffffffa0c1d000 472402 /tmp/crash-anaysis.T9jWv/modules/lquota.ko ffffffffa0cf0120 mgs ffffffffa0cac000 373732 /tmp/crash-anaysis.T9jWv/modules/mgs.ko ffffffffa0d66000 mdd ffffffffa0d09000 497881 /tmp/crash-anaysis.T9jWv/modules/mdd.ko ffffffffa0e3dce0 mdt ffffffffa0d84000 1023484 /tmp/crash-anaysis.T9jWv/modules/mdt.ko ffffffffa0ef8a60 lod ffffffffa0e7f000 660609 /tmp/crash-anaysis.T9jWv/modules/lod.ko ffffffffa0f866c0 ofd ffffffffa0f44000 361788 /tmp/crash-anaysis.T9jWv/modules/ofd.ko ffffffffa0fdc2a0 osp ffffffffa0f9e000 350313 /tmp/crash-anaysis.T9jWv/modules/osp.ko ffffffffa10c09c0 lustre ffffffffa0ff5000 1105717 /tmp/crash-anaysis.T9jWv/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, 0xffff8800a9537868) 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, 0xffff8800a5bd2e08) 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, 0xffff8800a6932788) 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, 0xffff8800a60bdc08) 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_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 0 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_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 0 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_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 0 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 4096 total debug pages from 4 CPUs to /tmp/crash-anaysis.T9jWv/lustre.bin