************************ crashinfo ************************* /exports/testreports/47845/testresults/sanity-benchmark-special10-zfs-centos7_x86_64-centos7_x86_64-retry1/oleg158-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.P92ZG/vmlinux [TAINTED] DUMPFILE: /exports/testreports/47845/testresults/sanity-benchmark-special10-zfs-centos7_x86_64-centos7_x86_64-retry1/oleg158-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Thu Dec 12 11:07:04 EST 2024 UPTIME: 01:04:51 LOAD AVERAGE: 1.00, 1.01, 1.05 TASKS: 155 NODENAME: oleg158-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 10 last 5s 24 last 60s 31 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 150 TASK_RUNNING 1 TASK_UNINTERRUPTIBLE 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) 49 kworker/1:1 0 ms (no user stack) 34 rcuos/3 0 ms (no user stack) 1 systemd 3 ms /usr/lib/systemd/systemd --switched-root --system --deserialize 22 11 rcuos/0 13 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 364554 1.4 GB 38% of TOTAL MEM USED 590525 2.3 GB 61% of TOTAL MEM SHARED 471919 1.8 GB 49% of TOTAL MEM BUFFERS 5150 20.1 MB 0% of TOTAL MEM CACHED 514697 2 GB 53% of TOTAL MEM SLAB 40272 157.3 MB 4% 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 61665 240.9 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3431s ago PID=313 CPU=2 CMD=kworker/u8:3 #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 3886.6 eth0 n/a 2.9 RSS_TOTAL=74040 pages, %mem= 1.3 +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668540 ffff880137324800 sysfs sysfs /sys ffff880137668700 ffff880139944000 proc proc /proc ffff8801376688c0 ffff880137678000 devtmpfs devtmpfs /dev ffff880137668a80 ffff8800b6d1a800 securityfs securityfs /sys/kernel/security ffff880137668c40 ffff880137325000 tmpfs tmpfs /dev/shm ffff880137668e00 ffff880137021000 devpts devpts /dev/pts ffff880137668fc0 ffff880137325800 tmpfs tmpfs /run ffff880137669180 ffff880137326000 tmpfs tmpfs /sys/fs/cgroup ffff880137669340 ffff880137326800 cgroup cgroup /sys/fs/cgroup/systemd ffff88012b26c540 ffff88012aad8000 pstore pstore /sys/fs/pstore ffff88012b26c700 ffff88012aada000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012b26c8c0 ffff88012aad9800 cgroup cgroup /sys/fs/cgroup/blkio ffff88012b26ca80 ffff88012aad9000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012b26cc40 ffff88012aad8800 cgroup cgroup /sys/fs/cgroup/pids ffff88012b266540 ffff8800b6cc0800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012b266700 ffff8800b6cc1000 cgroup cgroup /sys/fs/cgroup/memory ffff88012b2668c0 ffff8800b6cc1800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012b266a80 ffff8800b6cc2000 cgroup cgroup /sys/fs/cgroup/devices ffff88012b266c40 ffff8800b6cc2800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012b266e00 ffff8800b6cc3000 cgroup cgroup /sys/fs/cgroup/freezer ffff880138ccafc0 ffff8800b6d1b000 configfs configfs /sys/kernel/config ffff880137669500 ffff8800b6e46800 ext4 /dev/nbd0 / ffff88012b266fc0 ffff88012aadc800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff8800b6168c40 ffff8800b6147000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8800b6168e00 ffff88013703a800 mqueue mqueue /dev/mqueue ffff8800b6168fc0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff880138ccb180 ffff8800b6cc5000 hugetlbfs hugetlbfs /dev/hugepages ffff88012b267180 ffff8800b5902000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012b267500 ffff8800b5903000 ramfs none /mnt ffff88012b2676c0 ffff8800b5901800 tmpfs none /var/lib/stateless/writable ffff880138ccb340 ffff8800b61ec000 squashfs /dev/vda /home/green/git/lustre-release ffff8801376696c0 ffff8800b5901800 tmpfs none /var/cache/man ffff88012b267880 ffff8800b5901800 tmpfs none /var/log ffff880137669880 ffff8800b5901800 tmpfs none /var/lib/dbus ffff880138ccb500 ffff8800b5901800 tmpfs none /tmp ffff880138ccb6c0 ffff8800b5901800 tmpfs none /var/lib/dhclient ffff8800b6169340 ffff8800b5901800 tmpfs none /var/tmp ffff8800b6169500 ffff8800b5901800 tmpfs none /var/lib/NetworkManager ffff880137669a40 ffff8800b5901800 tmpfs none /var/lib/systemd/random-seed ffff880138ccb880 ffff8800b5901800 tmpfs none /var/spool ffff880137669c00 ffff8800b5901800 tmpfs none /var/lib/nfs ffff880137669dc0 ffff8800b5901800 tmpfs none /var/lib/gssproxy ffff88012b26cfc0 ffff8800b5901800 tmpfs none /var/lib/logrotate ffff880138ccba40 ffff8800b5901800 tmpfs none /etc ffff880138ccbc00 ffff8800b5901800 tmpfs none /var/lib/rsyslog ffff8800b3b16000 ffff8800b5901800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b61696c0 ffff8800b6fb1800 nfs4 192.168.200.253:/exports/state/oleg158-client.virtnet /var/lib/stateless/state ffff8800b6169a40 ffff8800b6fb1800 nfs4 192.168.200.253:/exports/state/oleg158-client.virtnet /boot ffff88012b267a40 ffff8800b6fb1800 nfs4 192.168.200.253:/exports/state/oleg158-client.virtnet /etc/etc/kdump.conf ffff88012b267c00 ffff88012aadc800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b30ee8c0 ffff8800b5994000 nfs4 192.168.200.253://exports/testreports/47845/testresults/sanity-benchmark-special10-zfs-centos7_x86_64-centos7_x86_64-retry1 /tmp/tmp/testlogs ffff8800b6de01c0 ffff8800b3833800 tmpfs tmpfs /run/user/0 ffff8800b6de08c0 ffff8800b61ec000 squashfs /dev/vda /usr/sbin/mount.lustre ffff88012abe7500 ffff8800b61ef800 lustre 192.168.201.158@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 1561.925343] [] process_one_work+0x18d/0x4a0 [ 1561.928054] [] worker_thread+0x126/0x3b0 [ 1561.930638] [] ? manage_workers.isra.23+0x2a0/0x2a0 [ 1561.933478] [] kthread+0xe4/0xf0 [ 1561.935681] [] ? kthread_create_on_node+0x140/0x140 [ 1561.938481] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1561.941165] [] ? kthread_create_on_node+0x140/0x140 [ 1627.375223] LustreError: 4828:0:(osc_cache.c:908:osc_extent_wait()) extent ffff8800a4527180@{[120064 -> 120319/120319], [3|0|+|rpc|wihuY|ffff880099ed3520], [1703936|86|+|-|ffff8800a46a4480|256|ffff88012ab0c440]} lustre-OST0001-osc-ffff8800b61ef800: wait ext to 0 timedout, recovery in progress? [ 1627.387029] LustreError: 4828:0:(osc_cache.c:908:osc_extent_wait()) ### extent: ffff8800a4527180 ns: lustre-OST0001-osc-ffff8800b61ef800 lock: ffff8800a46a4480/0xfe510a2d9673e849 lrc: 14/0,0 mode: PW/PW res: [0x280000400:0xb25:0x0].0x0 rrc: 2 type: EXT [0->18446744073709551615] (req 0->8191) gid 0 flags: 0x800029400000000 nid: local remote: 0x7d1ca8ae532b9d0e expref: -99 pid: 10519 timeout: 0 lvb_type: 1 [ 1681.943242] INFO: task kworker/u8:3:313 blocked for more than 120 seconds. [ 1681.946414] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1681.949999] kworker/u8:3 D ffff8800b60f5550 11872 313 2 0x00000000 [ 1681.953519] Workqueue: writeback bdi_writeback_workfn (flush-lustre-ffff8800b6) [ 1681.957096] Call Trace: [ 1681.958253] [] schedule+0x29/0x70 [ 1681.960814] [] schedule_timeout+0x209/0x290 [ 1681.963660] [] ? osc_sync_base+0xf3/0x280 [osc] [ 1681.966643] [] wait_for_completion+0xfc/0x140 [ 1681.969519] [] ? wake_up_state+0x20/0x20 [ 1681.972208] [] osc_io_fsync_end+0x5c/0x90 [osc] [ 1681.975211] [] cl_io_end+0x5c/0x150 [obdclass] [ 1681.978240] [] lov_io_end_wrapper+0xeb/0xf0 [lov] [ 1681.981250] [] lov_io_fsync_end+0x80/0x1b0 [lov] [ 1681.984260] [] cl_io_end+0x5c/0x150 [obdclass] [ 1681.987221] [] cl_io_loop+0xad/0x230 [obdclass] [ 1681.990186] [] cl_sync_file_range+0x30c/0x3b0 [lustre] [ 1681.993421] [] ll_writepages+0xf1/0x230 [lustre] [ 1681.996494] [] do_writepages+0x21/0x50 [ 1681.999104] [] __writeback_single_inode+0x40/0x2a0 [ 1682.002125] [] writeback_sb_inodes+0x2a6/0x480 [ 1682.004893] [] __writeback_inodes_wb+0x9f/0xd0 [ 1682.007668] [] wb_writeback+0x28b/0x340 [ 1682.010127] [] bdi_writeback_workfn+0x20c/0x4e0 [ 1682.012864] [] process_one_work+0x18d/0x4a0 [ 1682.015588] [] worker_thread+0x126/0x3b0 [ 1682.018225] [] ? manage_workers.isra.23+0x2a0/0x2a0 [ 1682.021120] [] kthread+0xe4/0xf0 [ 1682.023241] [] ? kthread_create_on_node+0x140/0x140 [ 1682.026020] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1682.028659] [] ? 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 11.17s (real) 5.79s (CPU), Child processes: 5.32s