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.vqssD/vmlinux [TAINTED] DUMPFILE: /exports/testreports/50430/testresults/sanity-flr-zfs-centos7_x86_64-centos7_x86_64/oleg301-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Tue Apr 1 13:15:45 EDT 2025 UPTIME: 00:02:22 LOAD AVERAGE: 0.32, 0.12, 0.05 TASKS: 158 NODENAME: oleg301-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: 12123 COMMAND: "lfs" TASK: ffff8800ac194440 [THREAD_INFO: ffff8800a8aa8000] 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 libata module mod: cannot find or load object file for crc32c_intel module mod: cannot find or load object file for pata_acpi module mod: cannot find or load object file for ata_generic module mod: cannot find or load object file for serio_raw module mod: cannot find or load object file for ata_piix module mod: cannot find or load object file for mbcache 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 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 glue_helper module mod: cannot find or load object file for crc32_pclmul module mod: cannot find or load object file for cryptd module mod: cannot find or load object file for ghash_clmulni_intel module mod: cannot find or load object file for ip_tables module mod: cannot find or load object file for lrw module mod: cannot find or load object file for iosf_mbi module mod: cannot find or load object file for ablk_helper module mod: cannot find or load object file for i2c_piix4 module mod: cannot find or load object file for crct10dif_generic module mod: cannot find or load object file for crc_t10dif module mod: cannot find or load object file for irqbypass module mod: cannot find or load object file for gf128mul module MODULE NAME BASE SIZE OBJECT FILE ffffffffa0187380 ost ffffffffa0184000 19298 /tmp/crash-anaysis.vqssD/modules/ost.ko mod: cannot find or load object file for i2c_core module mod: cannot find or load object file for aesni_intel module mod: cannot find or load object file for kvm module mod: cannot find or load object file for rpcsec_gss_krb5 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 sb_edac module ffffffffa02cc360 libcfs ffffffffa02b7000 132619 /tmp/crash-anaysis.vqssD/modules/libcfs.ko ffffffffa02e71a0 fid ffffffffa02d9000 84843 /tmp/crash-anaysis.vqssD/modules/fid.ko ffffffffa038a020 lnet ffffffffa02f4000 958750 /tmp/crash-anaysis.vqssD/modules/lnet.ko ffffffffa03ee7e0 fld ffffffffa03e0000 88713 /tmp/crash-anaysis.vqssD/modules/fld.ko ffffffffa04308a0 ksocklnd ffffffffa0412000 182768 /tmp/crash-anaysis.vqssD/modules/ksocklnd.ko ffffffffa0478de0 ptlrpc_gss ffffffffa0440000 342063 /tmp/crash-anaysis.vqssD/modules/ptlrpc_gss.ko ffffffffa04c0860 lmv ffffffffa0495000 234767 /tmp/crash-anaysis.vqssD/modules/lmv.ko ffffffffa05028a0 mdc ffffffffa04d0000 276564 /tmp/crash-anaysis.vqssD/modules/mdc.ko mod: cannot find or load object file for kvm_intel module ffffffffa061f580 obdclass ffffffffa0552000 2652163 /tmp/crash-anaysis.vqssD/modules/obdclass.ko ffffffffa098baa0 ptlrpc ffffffffa07db000 2543606 /tmp/crash-anaysis.vqssD/modules/ptlrpc.ko ffffffffa0a94d40 osc ffffffffa0a49000 427843 /tmp/crash-anaysis.vqssD/modules/osc.ko ffffffffa0aed660 lov ffffffffa0ab3000 332217 /tmp/crash-anaysis.vqssD/modules/lov.ko ffffffffa0b2c920 mgc ffffffffa0b1a000 109376 /tmp/crash-anaysis.vqssD/modules/mgc.ko ffffffffa0b4f120 obdecho ffffffffa0b36000 151561 /tmp/crash-anaysis.vqssD/modules/obdecho.ko ffffffffa0bf4240 lfsck ffffffffa0b5d000 782830 /tmp/crash-anaysis.vqssD/modules/lfsck.ko ffffffffa0c96280 lquota ffffffffa0c40000 472402 /tmp/crash-anaysis.vqssD/modules/lquota.ko ffffffffa0cf9120 mgs ffffffffa0cb5000 373732 /tmp/crash-anaysis.vqssD/modules/mgs.ko ffffffffa0d6f000 mdd ffffffffa0d12000 497881 /tmp/crash-anaysis.vqssD/modules/mdd.ko ffffffffa0e46ce0 mdt ffffffffa0d8d000 1023484 /tmp/crash-anaysis.vqssD/modules/mdt.ko ffffffffa0f01a60 lod ffffffffa0e88000 660609 /tmp/crash-anaysis.vqssD/modules/lod.ko ffffffffa0f8f6c0 ofd ffffffffa0f4d000 361788 /tmp/crash-anaysis.vqssD/modules/ofd.ko ffffffffa0fe52a0 osp ffffffffa0fa7000 350313 /tmp/crash-anaysis.vqssD/modules/osp.ko ffffffffa10c99c0 lustre ffffffffa0ffe000 1105717 /tmp/crash-anaysis.vqssD/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, 0xffff88012b4af968) 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 325 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, 0xffff8800b355dae8) 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 547 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, 0xffff880136b767c8) 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 957 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, 0xffff8801373bcd68) 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 741 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_trace_pages(1, 5, 0xffff8800ab27f388) 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, 0xffff8800ad65b208) 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_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 2572 total debug pages from 4 CPUs to /tmp/crash-anaysis.vqssD/lustre.bin