************************ crashinfo ************************* /exports/testreports/47198/testresults/sanityn-zfs-centos7_x86_64-centos7_x86_64/oleg419-client-timeout-core (3.10.0-7.9-debug) +==========================+ | *** Crashinfo v1.3.7 *** | +==========================+ +++WARNING+++ PARTIAL DUMP with size(vmcore) < 25% size(RAM) KERNEL: /tmp/crash-anaysis.nslxe/vmlinux [TAINTED] DUMPFILE: /exports/testreports/47198/testresults/sanityn-zfs-centos7_x86_64-centos7_x86_64/oleg419-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Sat Nov 16 05:42:14 EST 2024 UPTIME: 01:07:22 LOAD AVERAGE: 1.00, 0.99, 0.95 TASKS: 158 NODENAME: oleg419-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: "" +--------------------------+ >------------------------| Per-cpu Stacks ('bt -a') |------------------------< +--------------------------+ -- CPU#0 -- PID=0 CPU=0 CMD=swapper/0 #-1 native_safe_halt+0xb, 449 bytes of data #0 default_idle+0x1e #1 default_enter_idle+0x45 #2 cpuidle_enter_state+0x40 #3 cpuidle_idle_call+0xd8 #4 arch_cpu_idle+0xe #5 cpu_startup_entry+0x14a #6 rest_init+0x8e #7 start_kernel+0x456 #8 x86_64_start_reservations+0x2a #9 x86_64_start_kernel+0x152 #10 start_cpu+0x5 -- CPU#1 -- PID=0 CPU=1 CMD=swapper/1 #-1 native_safe_halt+0xb, 449 bytes of data #0 default_idle+0x1e #1 default_enter_idle+0x45 #2 cpuidle_enter_state+0x40 #3 cpuidle_idle_call+0xd8 #4 arch_cpu_idle+0xe #5 cpu_startup_entry+0x14a #6 start_secondary+0x1eb #7 start_cpu+0x5 -- CPU#2 -- PID=0 CPU=2 CMD=swapper/2 #-1 native_safe_halt+0xb, 449 bytes of data #0 default_idle+0x1e #1 default_enter_idle+0x45 #2 cpuidle_enter_state+0x40 #3 cpuidle_idle_call+0xd8 #4 arch_cpu_idle+0xe #5 cpu_startup_entry+0x14a #6 start_secondary+0x1eb #7 start_cpu+0x5 -- CPU#3 -- PID=0 CPU=3 CMD=swapper/3 #-1 native_safe_halt+0xb, 449 bytes of data #0 default_idle+0x1e #1 default_enter_idle+0x45 #2 cpuidle_enter_state+0x40 #3 cpuidle_idle_call+0xd8 #4 arch_cpu_idle+0xe #5 cpu_startup_entry+0x14a #6 start_secondary+0x1eb #7 start_cpu+0x5 +--------------------------------+ >---------------------| How This Dump Has Been Created |---------------------< +--------------------------------+ Cannot identify the specific condition that triggered vmcore +---------------+ >------------------------------| Tasks Summary |------------------------------< +---------------+ Number of Threads That Ran Recently ----------------------------------- last second 15 last 5s 29 last 60s 36 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 150 TASK_PARKED 3 TASK_RUNNING 1 TASK_UNINTERRUPTIBLE|TASK_DEAD 1 +++WARNING+++ There are 3 threads running in their own namespaces Use 'taskinfo --ns' to get more details +-----------------------+ >--------------------------| 5 Most Recent Threads |--------------------------< +-----------------------+ PID CMD Age ARGS ----- -------------- ------ ---------------------------- 27 rcuos/2 0 ms (no user stack) 34 rcuos/3 0 ms (no user stack) 9 rcu_sched 0 ms (no user stack) 829 gmain 3 ms /usr/sbin/NetworkManager --no-daemon 1 systemd 9 ms /usr/lib/systemd/systemd --switched-root --system --deserialize 22 +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 872303 3.3 GB 91% of TOTAL MEM USED 82776 323.3 MB 8% of TOTAL MEM SHARED 5726 22.4 MB 0% of TOTAL MEM BUFFERS 434 1.7 MB 0% of TOTAL MEM CACHED 20136 78.7 MB 2% of TOTAL MEM SLAB 10509 41.1 MB 1% of TOTAL MEM TOTAL HUGE 0 0 ---- HUGE FREE 0 0 0% of TOTAL HUGE TOTAL SWAP 262143 1024 MB ---- SWAP USED 0 0 0% of TOTAL SWAP SWAP FREE 262143 1024 MB 100% of TOTAL SWAP COMMIT LIMIT 739682 2.8 GB ---- COMMITTED 63065 246.3 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3595s ago PID=2865 CPU=0 CMD=mmap_sanity #0 __schedule+0x2e2 #1 schedule+0x29 #2 schedule_timeout+0x209 #3 io_schedule_timeout+0xad #4 io_schedule+0x18 #5 bit_wait_io+0x11 #6 __wait_on_bit+0x65 #7 wait_on_page_bit_killable+0x83 #8 __lock_page_or_retry+0xb2 #9 filemap_fault+0x3f1 #10 ll_filemap_fault+0x39 #11 vvp_io_fault_start+0x4de #12 cl_io_start+0x6d #13 cl_io_loop+0x9f #14 ll_fault+0x533 #15 __do_fault+0x84 #16 do_read_fault+0x50 #17 handle_pte_fault+0x2ef #18 __handle_mm_fault+0x31d #19 handle_mm_fault+0x7f #20 __do_page_fault+0x1a0 #21 trace_do_page_fault+0x56 #22 do_async_page_fault+0x22 #23 async_page_fault+0x28 #-1 iov_iter_fault_in_readable+0x34, 477 bytes of data #24 generic_file_buffered_write+0xdc #25 __generic_file_aio_write+0x1e2 #26 __generic_file_write_iter+0x6d87b #27 vvp_io_write_start+0x578 #28 cl_io_start+0x6d #29 cl_io_loop+0x9f #30 ll_file_io_generic+0x36b #31 do_file_write_iter+0x4ae #32 ll_file_write_iter+0x2d #33 ll_file_aio_write+0x1b1 #34 ll_file_write+0x111 #35 vfs_write+0xd6 #36 sys_write+0x7f #37 system_call_fastpath+0x1f, 477 bytes of data +-------------------------------+ >----------------------| Scheduler Runqueues (per CPU) |----------------------< +-------------------------------+ ---+ CPU=0 ---- | CURRENT TASK , CMD=swapper/0 ---+ CPU=1 ---- | CURRENT TASK , CMD=swapper/1 ---+ CPU=2 ---- | CURRENT TASK , CMD=swapper/2 ---+ CPU=3 ---- | CURRENT TASK , CMD=swapper/3 +------------------------+ >-------------------------| Network Status Summary |-------------------------< +------------------------+ TCP Connection Info ------------------- ESTABLISHED 6 LISTEN 3 NAGLE disabled (TCP_NODELAY): 5 user_data set (NFS etc.): 4 UDP Connection Info ------------------- 2 UDP sockets, 0 in ESTABLISHED Unix Connection Info ------------------------ ESTABLISHED 26 CLOSE 18 LISTEN 8 Raw sockets info -------------------- ESTABLISHED 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 4039.8 eth0 n/a 0.8 RSS_TOTAL=76252 pages, %mem= 1.3 +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668380 ffff880137679000 sysfs sysfs /sys ffff880137668540 ffff880139944000 proc proc /proc ffff880137668700 ffff880137678000 devtmpfs devtmpfs /dev ffff8801376688c0 ffff88012aab8000 securityfs securityfs /sys/kernel/security ffff880137668a80 ffff880137679800 tmpfs tmpfs /dev/shm ffff880137668c40 ffff8801372f6000 devpts devpts /dev/pts ffff880137668e00 ffff88013767a000 tmpfs tmpfs /run ffff880137668fc0 ffff88013767a800 tmpfs tmpfs /sys/fs/cgroup ffff880137669180 ffff88013767b000 cgroup cgroup /sys/fs/cgroup/systemd ffff880137669340 ffff88013767b800 pstore pstore /sys/fs/pstore ffff880137669500 ffff88013767d800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff8801376696c0 ffff88013767d000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff880137669880 ffff88013767c800 cgroup cgroup /sys/fs/cgroup/perf_event ffff880137669a40 ffff88013767c000 cgroup cgroup /sys/fs/cgroup/pids ffff880137669c00 ffff88013767e000 cgroup cgroup /sys/fs/cgroup/devices ffff880137669dc0 ffff88013767e800 cgroup cgroup /sys/fs/cgroup/memory ffff88012aae4000 ffff88013767f000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aae41c0 ffff88013767f800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aae4380 ffff88012ab00000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aae4540 ffff88012ab00800 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aae4700 ffff88012ab01800 configfs configfs /sys/kernel/config ffff88012aab4380 ffff88012aab9000 ext4 /dev/nbd0 / ffff88012aab4540 ffff8800b6cfc800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012aae48c0 ffff8800b7c1d800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012b262a80 ffff88012ab04000 hugetlbfs hugetlbfs /dev/hugepages ffff88012b262c40 ffff8801372f7800 mqueue mqueue /dev/mqueue ffff88012b262e00 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012aab4c40 ffff88012a4d2000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012aab4fc0 ffff88012a4d4000 ramfs none /mnt ffff88012b262fc0 ffff8801373ed800 tmpfs none /var/lib/stateless/writable ffff88012b263180 ffff8800b3e0b000 squashfs /dev/vda /home/green/git/lustre-release ffff88012aae4a80 ffff8801373ed800 tmpfs none /var/cache/man ffff8800b6f26700 ffff8801373ed800 tmpfs none /var/log ffff88012b263340 ffff8801373ed800 tmpfs none /var/lib/dbus ffff88012aae4c40 ffff8801373ed800 tmpfs none /tmp ffff88012aae4e00 ffff8801373ed800 tmpfs none /var/lib/dhclient ffff8800b6f26a80 ffff8801373ed800 tmpfs none /var/tmp ffff88012aab5180 ffff8801373ed800 tmpfs none /var/lib/NetworkManager ffff8800b6f26c40 ffff8801373ed800 tmpfs none /var/lib/systemd/random-seed ffff88012aab5340 ffff8801373ed800 tmpfs none /var/spool ffff88012aae4fc0 ffff8801373ed800 tmpfs none /var/lib/nfs ffff88012aae5180 ffff8801373ed800 tmpfs none /var/lib/gssproxy ffff88012aae5340 ffff8801373ed800 tmpfs none /var/lib/logrotate ffff8800b6f26e00 ffff8801373ed800 tmpfs none /etc ffff8800b6f26fc0 ffff8801373ed800 tmpfs none /var/lib/rsyslog ffff8800b6f27180 ffff8801373ed800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012b263500 ffff8800b3f58000 nfs4 192.168.200.253:/exports/state/oleg419-client.virtnet /var/lib/stateless/state ffff88012aab5500 ffff8800b3f58000 nfs4 192.168.200.253:/exports/state/oleg419-client.virtnet /boot ffff88012aae5880 ffff8800b3f58000 nfs4 192.168.200.253:/exports/state/oleg419-client.virtnet /etc/etc/kdump.conf ffff88012b263880 ffff8800b6cfc800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff88012aab5880 ffff8800b667a800 nfs4 192.168.200.253://exports/testreports/47198/testresults/sanityn-zfs-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b6f27340 ffff88012ab68800 tmpfs tmpfs /run/user/0 ffff88012aab5a40 ffff8800b3e0b000 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b36dc540 ffff8800aa484800 lustre 192.168.204.119@tcp:/lustre /mnt/lustre ffff88012aab5dc0 ffff8800b6666800 lustre 192.168.204.119@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 389.773581] rw_seq_cst_vs_d (31279): drop_caches: 3 [ 389.805950] rw_seq_cst_vs_d (31279): drop_caches: 3 [ 389.818069] rw_seq_cst_vs_d (31279): drop_caches: 3 [ 389.830199] rw_seq_cst_vs_d (31279): drop_caches: 3 [ 389.842830] rw_seq_cst_vs_d (31279): drop_caches: 3 [ 389.879422] rw_seq_cst_vs_d (31279): drop_caches: 3 [ 389.909928] rw_seq_cst_vs_d (31279): drop_caches: 3 [ 389.922944] rw_seq_cst_vs_d (31279): drop_caches: 3 [ 389.935114] rw_seq_cst_vs_d (31279): drop_caches: 3 [ 389.949024] rw_seq_cst_vs_d (31279): drop_caches: 3 [ 389.960829] rw_seq_cst_vs_d (31279): drop_caches: 3 [ 389.963260] Lustre: lustre-OST0000-osc-ffff8800b6666800: disconnect after 21s idle [ 389.977886] rw_seq_cst_vs_d (31279): drop_caches: 3 [ 390.004620] rw_seq_cst_vs_d (31279): drop_caches: 3 [ 390.016737] rw_seq_cst_vs_d (31279): drop_caches: 3 [ 390.028787] rw_seq_cst_vs_d (31279): drop_caches: 3 [ 390.060358] rw_seq_cst_vs_d (31279): drop_caches: 3 [ 390.093535] rw_seq_cst_vs_d (31279): drop_caches: 3 [ 390.107090] rw_seq_cst_vs_d (31279): drop_caches: 3 [ 390.140397] rw_seq_cst_vs_d (31279): drop_caches: 3 [ 390.245129] rw_seq_cst_vs_d (31279): drop_caches: 3 [ 390.327357] rw_seq_cst_vs_d (31279): drop_caches: 3 [ 390.359309] rw_seq_cst_vs_d (31279): drop_caches: 3 [ 390.424530] rw_seq_cst_vs_d (31279): drop_caches: 3 [ 392.216885] Lustre: DEBUG MARKER: == sanityn test 16h: mmap read after truncate file ======= 04:41:23 (1731750083) [ 393.968441] Lustre: DEBUG MARKER: == sanityn test 16i: read after truncate file ============ 04:41:25 (1731750085) [ 395.665795] Lustre: DEBUG MARKER: == sanityn test 16j: race dio with buffered i/o ========== 04:41:27 (1731750087) [ 406.740548] Lustre: DEBUG MARKER: == sanityn test 16k: Parallel FSX and drop caches should not panic ========================================================== 04:41:38 (1731750098) [ 406.878738] bash (1504): drop_caches: 3 [ 410.095346] bash (1504): drop_caches: 3 [ 413.499524] bash (1504): drop_caches: 3 [ 416.804987] bash (1504): drop_caches: 3 [ 420.051194] bash (1504): drop_caches: 3 [ 423.279928] bash (1504): drop_caches: 3 [ 426.436943] bash (1504): drop_caches: 3 [ 429.583432] bash (1504): drop_caches: 3 [ 433.010092] Lustre: DEBUG MARKER: == sanityn test 17: resource creation/LVB creation race ========================================================================= 04:42:04 (1731750124) [ 436.968572] Lustre: DEBUG MARKER: == sanityn test 18: mmap sanity check =========================================================================================== 04:42:08 (1731750128) [ 444.629728] mmap_sanity (2879) used greatest stack depth: 9992 bytes left [ 470.090370] Lustre: lustre-OST0001-osc-ffff8800aa484800: disconnect after 23s idle ****************************************************************************** ************************ A Summary Of Problems Found ************************* ****************************************************************************** -------------------- A list of all +++WARNING+++ messages -------------------- PARTIAL DUMP with size(vmcore) < 25% size(RAM) There are 3 threads running in their own namespaces Use 'taskinfo --ns' to get more details Run 'hanginfo' to get more details ------------------------------------------------------------------------------ ** Execution took 10.41s (real) 5.36s (CPU), Child processes: 5.02s