************************ crashinfo ************************* /exports/testreports/47845/testresults/sanity-benchmark-special4-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg149-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.WYZXV/vmlinux [TAINTED] DUMPFILE: /exports/testreports/47845/testresults/sanity-benchmark-special4-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg149-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Thu Dec 12 11:07:45 EST 2024 UPTIME: 01:05:35 LOAD AVERAGE: 2.00, 1.99, 1.95 TASKS: 154 NODENAME: oleg149-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 12 last 5s 24 last 60s 33 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 148 TASK_RUNNING 1 TASK_UNINTERRUPTIBLE 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 ----- -------------- ------ ---------------------------- 9 rcu_sched 0 ms (no user stack) 11 rcuos/0 0 ms (no user stack) 20 rcuos/1 0 ms (no user stack) 1 systemd 8 ms /usr/lib/systemd/systemd --switched-root --system --deserialize 22 5415 ldlm_bl_01 55 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 420805 1.6 GB 44% of TOTAL MEM USED 534274 2 GB 55% of TOTAL MEM SHARED 417771 1.6 GB 43% of TOTAL MEM BUFFERS 5150 20.1 MB 0% of TOTAL MEM CACHED 460550 1.8 GB 48% of TOTAL MEM SLAB 37420 146.2 MB 3% 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 61686 241 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3514s ago PID=66 CPU=0 CMD=kworker/u8:1 #0 __schedule+0x2e2 #1 schedule+0x29 #2 schedule_timeout+0x209 #3 wait_for_completion+0xfc #4 osc_io_fsync_end+0x5c #5 cl_io_end+0x5c #6 lov_io_end_wrapper+0xeb #7 lov_io_fsync_end+0x80 #8 cl_io_end+0x5c #9 cl_io_loop+0xad #10 cl_sync_file_range+0x30c #11 ll_writepages+0xf1 #12 do_writepages+0x21 #13 __writeback_single_inode+0x40 #14 writeback_sb_inodes+0x2a6 #15 __writeback_inodes_wb+0x9f #16 wb_writeback+0x28b #17 bdi_writeback_workfn+0x20c #18 process_one_work+0x18d #19 worker_thread+0x126 #20 kthread+0xe4 #21 ret_from_fork_nospec_begin+0x7 +-------------------------------+ >----------------------| 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 3 LISTEN 3 NAGLE disabled (TCP_NODELAY): 3 user_data set (NFS etc.): 1 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 3932.8 eth0 n/a 0.4 RSS_TOTAL=74032 pages, %mem= 1.2 +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012aab4000 ffff8800b7e48800 sysfs sysfs /sys ffff88012aab41c0 ffff880139944000 proc proc /proc ffff88012aab4380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012aab4540 ffff8800b6d20000 securityfs securityfs /sys/kernel/security ffff88012aab4700 ffff8800b7e49000 tmpfs tmpfs /dev/shm ffff88012aab48c0 ffff880137679000 devpts devpts /dev/pts ffff88012aab4a80 ffff8800b7e49800 tmpfs tmpfs /run ffff88012aab4c40 ffff8800b7e4a000 tmpfs tmpfs /sys/fs/cgroup ffff88012aab4e00 ffff8800b7e4a800 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aab4fc0 ffff8800b7e4b000 pstore pstore /sys/fs/pstore ffff88012aab5180 ffff8800b7e4d000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aab5340 ffff8800b7e4c800 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aab5500 ffff8800b7e4c000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aab56c0 ffff8800b7e4b800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aab5880 ffff8800b7e4d800 cgroup cgroup /sys/fs/cgroup/memory ffff88012aab5a40 ffff8800b7e4e000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aab5c00 ffff8800b7e4e800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aab5dc0 ffff8800b7e4f000 cgroup cgroup /sys/fs/cgroup/pids ffff88012aaea000 ffff8800b7e4f800 cgroup cgroup /sys/fs/cgroup/devices ffff88012aaea1c0 ffff88012aaf8000 cgroup cgroup /sys/fs/cgroup/freezer ffff8800b6e6c1c0 ffff8801372ff000 configfs configfs /sys/kernel/config ffff88012aaea540 ffff88012aaff800 ext4 /dev/nbd0 / ffff88012aaea700 ffff8801372ff800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff880137669340 ffff8800b6d22000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff880137669500 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8800b6e6c000 ffff88013767a800 mqueue mqueue /dev/mqueue ffff88012aaea8c0 ffff8800b6038800 hugetlbfs hugetlbfs /dev/hugepages ffff8800b6e6c540 ffff8800b63bd800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012aaeaa80 ffff8800b6039000 ramfs none /mnt ffff8800b6e6c8c0 ffff8800b63bc800 tmpfs none /var/lib/stateless/writable ffff8800b6240540 ffff88012a608000 squashfs /dev/vda /home/green/git/lustre-release ffff8800b6e6ca80 ffff8800b63bc800 tmpfs none /var/cache/man ffff88012aaeac40 ffff8800b63bc800 tmpfs none /var/log ffff88012aaeae00 ffff8800b63bc800 tmpfs none /var/lib/dbus ffff88012aaeafc0 ffff8800b63bc800 tmpfs none /tmp ffff8801376696c0 ffff8800b63bc800 tmpfs none /var/lib/dhclient ffff8800b62408c0 ffff8800b63bc800 tmpfs none /var/tmp ffff8800b6e6cc40 ffff8800b63bc800 tmpfs none /var/lib/NetworkManager ffff88012aaeb180 ffff8800b63bc800 tmpfs none /var/lib/systemd/random-seed ffff880137669880 ffff8800b63bc800 tmpfs none /var/spool ffff8800b6240a80 ffff8800b63bc800 tmpfs none /var/lib/nfs ffff880137669a40 ffff8800b63bc800 tmpfs none /var/lib/gssproxy ffff880137669c00 ffff8800b63bc800 tmpfs none /var/lib/logrotate ffff8800b6240c40 ffff8800b63bc800 tmpfs none /etc ffff880137669dc0 ffff8800b63bc800 tmpfs none /var/lib/rsyslog ffff880137669180 ffff8800b63bc800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b6e6ce00 ffff8800b603d800 nfs4 192.168.200.253:/exports/state/oleg149-client.virtnet /var/lib/stateless/state ffff8800b6e6d340 ffff8800b603d800 nfs4 192.168.200.253:/exports/state/oleg149-client.virtnet /boot ffff8800b6240e00 ffff8800b603d800 nfs4 192.168.200.253:/exports/state/oleg149-client.virtnet /etc/etc/kdump.conf ffff88012aaeb340 ffff8801372ff800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b3defc00 ffff88012a4aa800 nfs4 192.168.200.253://exports/testreports/47845/testresults/sanity-benchmark-special4-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b6e6d6c0 ffff88012a4a8000 tmpfs tmpfs /run/user/0 ffff8800b3defdc0 ffff88012a608000 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b6e6d500 ffff88012a456000 lustre 192.168.201.149@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 1561.509843] [] worker_thread+0x126/0x3b0 [ 1561.512358] [] ? manage_workers.isra.23+0x2a0/0x2a0 [ 1561.515099] [] kthread+0xe4/0xf0 [ 1561.517176] [] ? kthread_create_on_node+0x140/0x140 [ 1561.519880] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1561.522535] [] ? kthread_create_on_node+0x140/0x140 [ 1635.368374] LustreError: 10300:0:(osc_cache.c:908:osc_extent_wait()) extent ffff88012ea8c780@{[456704 -> 457727/457727], [3|0|+|rpc|wiY|ffff880092e90820], [4218880|1024|+|-|ffff88009f88e1c0|1024|ffff88012a5c8000]} lustre-OST0000-osc-ffff88012a456000: wait ext to 0 timedout, recovery in progress? [ 1635.380292] LustreError: 10300:0:(osc_cache.c:908:osc_extent_wait()) ### extent: ffff88012ea8c780 ns: lustre-OST0000-osc-ffff88012a456000 lock: ffff88009f88e1c0/0x160e3c09185e3688 lrc: 78/0,0 mode: PW/PW res: [0x280000400:0x559:0x0].0x0 rrc: 2 type: EXT [0->18446744073709551615] (req 0->8191) gid 0 flags: 0x800029400000000 nid: local remote: 0xbc6148feefbb7ab1 expref: -99 pid: 11367 timeout: 0 lvb_type: 1 [ 1681.524972] INFO: task kworker/u8:1:66 blocked for more than 120 seconds. [ 1681.528008] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1681.531422] kworker/u8:1 D ffff88012b303330 11872 66 2 0x00000000 [ 1681.534820] Workqueue: writeback bdi_writeback_workfn (flush-lustre-ffff88012a) [ 1681.538206] Call Trace: [ 1681.539337] [] schedule+0x29/0x70 [ 1681.541720] [] schedule_timeout+0x209/0x290 [ 1681.544463] [] ? osc_sync_base+0xf3/0x280 [osc] [ 1681.547285] [] wait_for_completion+0xfc/0x140 [ 1681.550053] [] ? wake_up_state+0x20/0x20 [ 1681.552657] [] osc_io_fsync_end+0x5c/0x90 [osc] [ 1681.555565] [] cl_io_end+0x5c/0x150 [obdclass] [ 1681.558386] [] lov_io_end_wrapper+0xeb/0xf0 [lov] [ 1681.561311] [] lov_io_fsync_end+0x80/0x1b0 [lov] [ 1681.564221] [] cl_io_end+0x5c/0x150 [obdclass] [ 1681.567063] [] cl_io_loop+0xad/0x230 [obdclass] [ 1681.569956] [] cl_sync_file_range+0x30c/0x3b0 [lustre] [ 1681.573045] [] ll_writepages+0xf1/0x230 [lustre] [ 1681.575973] [] do_writepages+0x21/0x50 [ 1681.578478] [] __writeback_single_inode+0x40/0x2a0 [ 1681.581421] [] ? enqueue_entity+0x2ef/0xc30 [ 1681.584060] [] writeback_sb_inodes+0x2a6/0x480 [ 1681.586838] [] __writeback_inodes_wb+0x9f/0xd0 [ 1681.589621] [] wb_writeback+0x28b/0x340 [ 1681.592149] [] bdi_writeback_workfn+0x20c/0x4e0 [ 1681.594838] [] process_one_work+0x18d/0x4a0 [ 1681.597320] [] worker_thread+0x126/0x3b0 [ 1681.599739] [] ? manage_workers.isra.23+0x2a0/0x2a0 [ 1681.602503] [] kthread+0xe4/0xf0 [ 1681.604476] [] ? kthread_create_on_node+0x140/0x140 [ 1681.606994] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1681.609466] [] ? kthread_create_on_node+0x140/0x140 ****************************************************************************** ************************ 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 11.02s (real) 5.68s (CPU), Child processes: 5.31s