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.2frDQ/vmlinux [TAINTED] DUMPFILE: /exports/testreports/50430/testresults/sanity-quota-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg211-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Tue Apr 1 13:23:49 EDT 2025 UPTIME: 00:10:25 LOAD AVERAGE: 0.28, 0.21, 0.15 TASKS: 160 NODENAME: oleg211-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: 15257 COMMAND: "dd" TASK: ffff880139995550 [THREAD_INFO: ffff88012e68c000] 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 pata_acpi module mod: cannot find or load object file for mbcache module mod: cannot find or load object file for ata_piix module mod: cannot find or load object file for crct10dif_common module mod: cannot find or load object file for serio_raw module mod: cannot find or load object file for ata_generic module mod: cannot find or load object file for crc32c_intel module mod: cannot find or load object file for ip_tables module mod: cannot find or load object file for crct10dif_pclmul 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 pcspkr 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 rpcsec_gss_krb5 module mod: cannot find or load object file for ablk_helper module mod: cannot find or load object file for glue_helper module mod: cannot find or load object file for iosf_mbi module mod: cannot find or load object file for lrw 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 i2c_core 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 kvm 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 edac_core module MODULE NAME BASE SIZE OBJECT FILE ffffffffa02a01a0 fid ffffffffa0292000 84843 /tmp/crash-anaysis.2frDQ/modules/fid.ko mod: cannot find or load object file for sb_edac module ffffffffa02b7380 ost ffffffffa02b4000 19298 /tmp/crash-anaysis.2frDQ/modules/ost.ko ffffffffa02cf360 libcfs ffffffffa02ba000 132619 /tmp/crash-anaysis.2frDQ/modules/libcfs.ko ffffffffa02ea7e0 fld ffffffffa02dc000 88713 /tmp/crash-anaysis.2frDQ/modules/fld.ko ffffffffa038c020 lnet ffffffffa02f6000 958750 /tmp/crash-anaysis.2frDQ/modules/lnet.ko ffffffffa0404120 obdecho ffffffffa03eb000 151561 /tmp/crash-anaysis.2frDQ/modules/obdecho.ko ffffffffa04328a0 ksocklnd ffffffffa0414000 182768 /tmp/crash-anaysis.2frDQ/modules/ksocklnd.ko ffffffffa047ade0 ptlrpc_gss ffffffffa0442000 342063 /tmp/crash-anaysis.2frDQ/modules/ptlrpc_gss.ko ffffffffa04c2860 lmv ffffffffa0497000 234767 /tmp/crash-anaysis.2frDQ/modules/lmv.ko ffffffffa051dd40 osc ffffffffa04d2000 427843 /tmp/crash-anaysis.2frDQ/modules/osc.ko mod: cannot find or load object file for kvm_intel module ffffffffa0649580 obdclass ffffffffa057c000 2652163 /tmp/crash-anaysis.2frDQ/modules/obdclass.ko ffffffffa09b5aa0 ptlrpc ffffffffa0805000 2543606 /tmp/crash-anaysis.2frDQ/modules/ptlrpc.ko ffffffffa0ac8660 lov ffffffffa0a8e000 332217 /tmp/crash-anaysis.2frDQ/modules/lov.ko ffffffffa0b138a0 mdc ffffffffa0ae1000 276564 /tmp/crash-anaysis.2frDQ/modules/mdc.ko ffffffffa0b38920 mgc ffffffffa0b26000 109376 /tmp/crash-anaysis.2frDQ/modules/mgc.ko ffffffffa0bd9240 lfsck ffffffffa0b42000 782830 /tmp/crash-anaysis.2frDQ/modules/lfsck.ko ffffffffa0c7b280 lquota ffffffffa0c25000 472402 /tmp/crash-anaysis.2frDQ/modules/lquota.ko ffffffffa0cde120 mgs ffffffffa0c9a000 373732 /tmp/crash-anaysis.2frDQ/modules/mgs.ko ffffffffa0d54000 mdd ffffffffa0cf7000 497881 /tmp/crash-anaysis.2frDQ/modules/mdd.ko ffffffffa0e2bce0 mdt ffffffffa0d72000 1023484 /tmp/crash-anaysis.2frDQ/modules/mdt.ko ffffffffa0ee6a60 lod ffffffffa0e6d000 660609 /tmp/crash-anaysis.2frDQ/modules/lod.ko ffffffffa0f746c0 ofd ffffffffa0f32000 361788 /tmp/crash-anaysis.2frDQ/modules/ofd.ko ffffffffa0fca2a0 osp ffffffffa0f8c000 350313 /tmp/crash-anaysis.2frDQ/modules/osp.ko ffffffffa10ae9c0 lustre ffffffffa0fe3000 1105717 /tmp/crash-anaysis.2frDQ/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, 0xffff8800a8fe5fc8) 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, 0xffff88012dbfa648) 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, 0xffff88012bf672c8) 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, 0xffff88012e5d6c28) 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, 0xffff8800b3527228) 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_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_trace_pages(2, 5, 0xffff88012e5d65a8) 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 4098 total debug pages from 4 CPUs to /tmp/crash-anaysis.2frDQ/lustre.bin