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.Hs8xZ/vmlinux [TAINTED] DUMPFILE: /exports/testreports/37062/testresults/sanity-quota-zfs-centos7_x86_64-centos7_x86_64/oleg401-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Tue Oct 24 07:12:36 EDT 2023 UPTIME: 01:29:47 LOAD AVERAGE: 0.06, 0.14, 0.22 TASKS: 157 NODENAME: oleg401-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 (null)" PID: 12374 COMMAND: "umount" TASK: ffff88012b485550 [THREAD_INFO: ffff8800a9968000] 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 ata_piix module mod: cannot find or load object file for ata_generic module mod: cannot find or load object file for pata_acpi module mod: cannot find or load object file for serio_raw module mod: cannot find or load object file for jbd2 module mod: cannot find or load object file for ip_tables module mod: cannot find or load object file for mbcache 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 pcspkr 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 crct10dif_common module mod: cannot find or load object file for crc_t10dif module mod: cannot find or load object file for crct10dif_generic module mod: cannot find or load object file for i2c_core module mod: cannot find or load object file for i2c_piix4 module MODULE NAME BASE SIZE OBJECT FILE ffffffffa016f280 ost ffffffffa016d000 14891 /tmp/crash-anaysis.Hs8xZ/modules/ost.ko mod: cannot find or load object file for crc32_generic module ffffffffa01aad60 libcfs ffffffffa018b000 202734 /tmp/crash-anaysis.Hs8xZ/modules/libcfs.ko ffffffffa0245ac0 lnet ffffffffa01d1000 769518 /tmp/crash-anaysis.Hs8xZ/modules/lnet.ko ffffffffa029b1a0 fid ffffffffa028e000 80213 /tmp/crash-anaysis.Hs8xZ/modules/fid.ko ffffffffa02d2880 ksocklnd ffffffffa02b5000 178007 /tmp/crash-anaysis.Hs8xZ/modules/ksocklnd.ko ffffffffa03a8b60 obdclass ffffffffa02e2000 2682516 /tmp/crash-anaysis.Hs8xZ/modules/obdclass.ko ffffffffa05a7e80 ptlrpc_gss ffffffffa0572000 331310 /tmp/crash-anaysis.Hs8xZ/modules/ptlrpc_gss.ko ffffffffa0776b80 ptlrpc ffffffffa05c9000 2537765 /tmp/crash-anaysis.Hs8xZ/modules/ptlrpc.ko ffffffffa08447e0 fld ffffffffa0836000 88791 /tmp/crash-anaysis.Hs8xZ/modules/fld.ko ffffffffa08755c0 lmv ffffffffa084d000 220867 /tmp/crash-anaysis.Hs8xZ/modules/lmv.ko ffffffffa08ceb20 osc ffffffffa0884000 422246 /tmp/crash-anaysis.Hs8xZ/modules/osc.ko ffffffffa08fea00 mgc ffffffffa08ed000 104979 /tmp/crash-anaysis.Hs8xZ/modules/mgc.ko ffffffffa0941460 lov ffffffffa0908000 323427 /tmp/crash-anaysis.Hs8xZ/modules/lov.ko ffffffffa0989440 mdc ffffffffa0958000 270988 /tmp/crash-anaysis.Hs8xZ/modules/mdc.ko ffffffffa09b5120 obdecho ffffffffa099c000 151561 /tmp/crash-anaysis.Hs8xZ/modules/obdecho.ko ffffffffa0a5a200 lfsck ffffffffa09c3000 782301 /tmp/crash-anaysis.Hs8xZ/modules/lfsck.ko ffffffffa0af9fc0 lquota ffffffffa0aa5000 466584 /tmp/crash-anaysis.Hs8xZ/modules/lquota.ko ffffffffa0b75140 mgs ffffffffa0b31000 373375 /tmp/crash-anaysis.Hs8xZ/modules/mgs.ko ffffffffa0be8d00 mdd ffffffffa0b8e000 489426 /tmp/crash-anaysis.Hs8xZ/modules/mdd.ko ffffffffa0cd77c0 mdt ffffffffa0c21000 1004365 /tmp/crash-anaysis.Hs8xZ/modules/mdt.ko ffffffffa0d8f7c0 lod ffffffffa0d18000 651466 /tmp/crash-anaysis.Hs8xZ/modules/lod.ko ffffffffa0e19200 osp ffffffffa0ddb000 346184 /tmp/crash-anaysis.Hs8xZ/modules/osp.ko ffffffffa0e722e0 ofd ffffffffa0e31000 356487 /tmp/crash-anaysis.Hs8xZ/modules/ofd.ko ffffffffa0f46b00 lustre ffffffffa0e8a000 1029071 /tmp/crash-anaysis.Hs8xZ/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, 0xffff8801377caf28) 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 409 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, 0xffff8800ab201f88) 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 409 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, 0xffff8800a99509e8) 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 409 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, 0xffff8800ac73b208) 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 409 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, 0xffff88012a55ce68) 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_trace_pages(1, 5, 0xffff8800ab39f368) 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_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 1638 total debug pages from 4 CPUs to /tmp/crash-anaysis.Hs8xZ/lustre.bin