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.p6byq/vmlinux [TAINTED] DUMPFILE: /exports/testreports/45877/testresults/sanity-lsnapshot-special4-zfs-DNE-centos7_x86_64-centos7_x86_64-retry3/oleg203-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Fri Sep 20 05:23:14 EDT 2024 UPTIME: 00:02:23 LOAD AVERAGE: 0.71, 0.29, 0.11 TASKS: 395 NODENAME: oleg203-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 000000000000010c" PID: 8099 COMMAND: "ldlm_cb00_001" TASK: ffff88012e1ee660 [THREAD_INFO: ffff8800a5934000] 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 ghash_clmulni_intel module mod: cannot find or load object file for ablk_helper 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 cryptd 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 squashfs module mod: cannot find or load object file for glue_helper module mod: cannot find or load object file for gf128mul module mod: cannot find or load object file for crc32_pclmul module mod: cannot find or load object file for irqbypass module mod: cannot find or load object file for crc_t10dif module mod: cannot find or load object file for rpcsec_gss_krb5 module mod: cannot find or load object file for zavl module mod: cannot find or load object file for edac_core 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 ffffffffa0294380 ost ffffffffa0291000 19298 /tmp/crash-anaysis.p6byq/modules/ost.ko mod: cannot find or load object file for sb_edac module ffffffffa02c2360 libcfs ffffffffa02ad000 132473 /tmp/crash-anaysis.p6byq/modules/libcfs.ko ffffffffa02dd160 fid ffffffffa02cf000 84802 /tmp/crash-anaysis.p6byq/modules/fid.ko ffffffffa037b020 lnet ffffffffa02e9000 928646 /tmp/crash-anaysis.p6byq/modules/lnet.ko ffffffffa03da6e0 fld ffffffffa03cd000 84453 /tmp/crash-anaysis.p6byq/modules/fld.ko mod: cannot find or load object file for znvpair module ffffffffa041b8a0 ksocklnd ffffffffa03fe000 173554 /tmp/crash-anaysis.p6byq/modules/ksocklnd.ko ffffffffa0462da0 ptlrpc_gss ffffffffa042a000 342054 /tmp/crash-anaysis.p6byq/modules/ptlrpc_gss.ko ffffffffa04a9760 lmv ffffffffa047f000 230393 /tmp/crash-anaysis.p6byq/modules/lmv.ko ffffffffa0506020 osc ffffffffa04b9000 437181 /tmp/crash-anaysis.p6byq/modules/osc.ko mod: cannot find or load object file for kvm_intel module ffffffffa0628020 obdclass ffffffffa055b000 2651961 /tmp/crash-anaysis.p6byq/modules/obdclass.ko ffffffffa0995840 ptlrpc ffffffffa07e4000 2547693 /tmp/crash-anaysis.p6byq/modules/ptlrpc.ko mod: cannot find or load object file for spl module ffffffffa0aa86a0 lov ffffffffa0a6e000 332258 /tmp/crash-anaysis.p6byq/modules/lov.ko ffffffffa0af3a20 mdc ffffffffa0ac1000 276995 /tmp/crash-anaysis.p6byq/modules/mdc.ko ffffffffa0b18a20 mgc ffffffffa0b06000 109604 /tmp/crash-anaysis.p6byq/modules/mgc.ko ffffffffa0b3b120 obdecho ffffffffa0b22000 151561 /tmp/crash-anaysis.p6byq/modules/obdecho.ko ffffffffa0bdf8c0 lfsck ffffffffa0b49000 776530 /tmp/crash-anaysis.p6byq/modules/lfsck.ko mod: cannot find or load object file for zcommon module ffffffffa0c80100 lquota ffffffffa0c2a000 472150 /tmp/crash-anaysis.p6byq/modules/lquota.ko mod: cannot find or load object file for icp module mod: cannot find or load object file for zlua 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 ffffffffa120b120 mgs ffffffffa11c8000 370169 /tmp/crash-anaysis.p6byq/modules/mgs.ko ffffffffa1294200 osd_zfs ffffffffa124a000 408902 /tmp/crash-anaysis.p6byq/modules/osd_zfs.ko ffffffffa1309980 mdd ffffffffa12af000 488914 /tmp/crash-anaysis.p6byq/modules/mdd.ko ffffffffa13fcfa0 mdt ffffffffa1342000 1028715 /tmp/crash-anaysis.p6byq/modules/mdt.ko ffffffffa14b9620 lod ffffffffa143f000 664969 /tmp/crash-anaysis.p6byq/modules/lod.ko ffffffffa15252c0 ofd ffffffffa14e3000 360982 /tmp/crash-anaysis.p6byq/modules/ofd.ko ffffffffa157d3c0 osp ffffffffa153d000 358935 /tmp/crash-anaysis.p6byq/modules/osp.ko ffffffffa166ab40 lustre ffffffffa1596000 1153299 /tmp/crash-anaysis.p6byq/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, 0xffff88009a34c5c8) 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, 0xffff8800b413dca8) 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 229 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, 0xffff88012b14ed08) 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 253 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, 0xffff8800b52f3bc8) 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 265 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, 0xffff8800b42774c8) 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, 0xffff88012d469b28) 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_trace_pages(3, 5, 0xffff8800b49fce28) 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_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 1774 total debug pages from 4 CPUs to /tmp/crash-anaysis.p6byq/lustre.bin