************************ crashinfo ************************* /exports/testreports/47845/testresults/sanity-benchmark-special4-zfs-centos7_x86_64-centos7_x86_64/oleg107-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.mNdIJ/vmlinux [TAINTED] DUMPFILE: /exports/testreports/47845/testresults/sanity-benchmark-special4-zfs-centos7_x86_64-centos7_x86_64/oleg107-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Thu Dec 12 11:07:08 EST 2024 UPTIME: 01:04:58 LOAD AVERAGE: 1.00, 1.01, 1.05 TASKS: 155 NODENAME: oleg107-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 13 last 5s 25 last 60s 29 ----- 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) 11 rcuos/0 0 ms (no user stack) 20 rcuos/1 0 ms (no user stack) 1 systemd 6 ms /usr/lib/systemd/systemd --switched-root --system --deserialize 22 46 kworker/3:1 6 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 372046 1.4 GB 38% of TOTAL MEM USED 583033 2.2 GB 61% of TOTAL MEM SHARED 464495 1.8 GB 48% of TOTAL MEM BUFFERS 5150 20.1 MB 0% of TOTAL MEM CACHED 507273 1.9 GB 53% of TOTAL MEM SLAB 39661 154.9 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 61705 241 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3438s ago PID=65 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 3895.9 eth0 n/a 0.5 RSS_TOTAL=75240 pages, %mem= 1.2 +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668380 ffff8800b6cc4800 sysfs sysfs /sys ffff880137668540 ffff880139944000 proc proc /proc ffff880137668700 ffff880137678000 devtmpfs devtmpfs /dev ffff8801376688c0 ffff8800b6d20000 securityfs securityfs /sys/kernel/security ffff880138ccb500 ffff8800b7b4a800 tmpfs tmpfs /dev/shm ffff880138ccb6c0 ffff880137719800 devpts devpts /dev/pts ffff880138ccb880 ffff8800b7b4b000 tmpfs tmpfs /run ffff880138ccba40 ffff8800b7b4b800 tmpfs tmpfs /sys/fs/cgroup ffff880138ccbc00 ffff8800b7b4c000 cgroup cgroup /sys/fs/cgroup/systemd ffff880138ccbdc0 ffff8800b7b4c800 pstore pstore /sys/fs/pstore ffff880137668a80 ffff8800b6cc5000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff880137668c40 ffff8800b6cc5800 cgroup cgroup /sys/fs/cgroup/devices ffff880137668e00 ffff8800b6cc6000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aae2000 ffff8800b7b4e800 cgroup cgroup /sys/fs/cgroup/pids ffff88012aae21c0 ffff8800b7b4e000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aae2380 ffff8800b7b4d800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aae2540 ffff8800b7b4d000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aae2700 ffff8800b7b4f000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aae28c0 ffff8800b7b4f800 cgroup cgroup /sys/fs/cgroup/memory ffff88012aae2a80 ffff88012aaf8000 cgroup cgroup /sys/fs/cgroup/cpuset ffff880137669180 ffff8800b6cc7000 configfs configfs /sys/kernel/config ffff8801370ca540 ffff88012dc37000 ext4 /dev/nbd0 / ffff88013700e380 ffff8800b6e7c000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff8800b6172540 ffff88012a68e800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88013700e540 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88013700e700 ffff88013771b000 mqueue mqueue /dev/mqueue ffff88013700e8c0 ffff8800b587c800 hugetlbfs hugetlbfs /dev/hugepages ffff8800b6172700 ffff88012a68e000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012aae2fc0 ffff88012a650800 ramfs none /mnt ffff88013700ea80 ffff8800b587d000 tmpfs none /var/lib/stateless/writable ffff88013700ec40 ffff8800b587b000 squashfs /dev/vda /home/green/git/lustre-release ffff8800b6172c40 ffff8800b587d000 tmpfs none /var/cache/man ffff88012aae3180 ffff8800b587d000 tmpfs none /var/log ffff8801370cac40 ffff8800b587d000 tmpfs none /var/lib/dbus ffff8801370cae00 ffff8800b587d000 tmpfs none /tmp ffff88013700ee00 ffff8800b587d000 tmpfs none /var/lib/dhclient ffff88013700efc0 ffff8800b587d000 tmpfs none /var/tmp ffff88012aae3340 ffff8800b587d000 tmpfs none /var/lib/NetworkManager ffff88012aae3500 ffff8800b587d000 tmpfs none /var/lib/systemd/random-seed ffff8801370cafc0 ffff8800b587d000 tmpfs none /var/spool ffff88013700f180 ffff8800b587d000 tmpfs none /var/lib/nfs ffff8801370cb180 ffff8800b587d000 tmpfs none /var/lib/gssproxy ffff8801370cb340 ffff8800b587d000 tmpfs none /var/lib/logrotate ffff88013700f340 ffff8800b587d000 tmpfs none /etc ffff8801370cb500 ffff8800b587d000 tmpfs none /var/lib/rsyslog ffff88013700f500 ffff8800b587d000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8801370cb6c0 ffff88012dc36000 nfs4 192.168.200.253:/exports/state/oleg107-client.virtnet /var/lib/stateless/state ffff8801370cbc00 ffff88012dc36000 nfs4 192.168.200.253:/exports/state/oleg107-client.virtnet /boot ffff8800b6172e00 ffff88012dc36000 nfs4 192.168.200.253:/exports/state/oleg107-client.virtnet /etc/etc/kdump.conf ffff88012aae3880 ffff8800b6e7c000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff88012a5e6a80 ffff8800b3e78800 nfs4 192.168.200.253://exports/testreports/47845/testresults/sanity-benchmark-special4-zfs-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff88012a5e6e00 ffff88012aaf9800 tmpfs tmpfs /run/user/0 ffff8800b61721c0 ffff8800b587b000 squashfs /dev/vda /usr/sbin/mount.lustre ffff880137669dc0 ffff8800aa4f6800 lustre 192.168.201.107@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 1561.385546] [] process_one_work+0x18d/0x4a0 [ 1561.388290] [] worker_thread+0x126/0x3b0 [ 1561.390896] [] ? manage_workers.isra.23+0x2a0/0x2a0 [ 1561.393902] [] kthread+0xe4/0xf0 [ 1561.396090] [] ? kthread_create_on_node+0x140/0x140 [ 1561.398830] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1561.401485] [] ? kthread_create_on_node+0x140/0x140 [ 1620.456048] LustreError: 9662:0:(osc_cache.c:908:osc_extent_wait()) extent ffff88009dd160c0@{[101376 -> 101631/101631], [3|0|+|rpc|wihuY|ffff8800aa573520], [1703936|12|+|-|ffff88012e3ba1c0|256|ffff88012bfc0000]} lustre-OST0000-osc-ffff8800aa4f6800: wait ext to 0 timedout, recovery in progress? [ 1620.466696] LustreError: 9662:0:(osc_cache.c:908:osc_extent_wait()) ### extent: ffff88009dd160c0 ns: lustre-OST0000-osc-ffff8800aa4f6800 lock: ffff88012e3ba1c0/0x7f05421232c8d8ff lrc: 15/0,0 mode: PW/PW res: [0x240000400:0x8eb:0x0].0x0 rrc: 2 type: EXT [0->18446744073709551615] (req 0->8191) gid 0 flags: 0x800029400000000 nid: local remote: 0x3bca5b2e5d49ee04 expref: -99 pid: 10534 timeout: 0 lvb_type: 1 [ 1681.404030] INFO: task kworker/u8:1:65 blocked for more than 120 seconds. [ 1681.407204] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1681.411127] kworker/u8:1 D ffff88013760d550 11872 65 2 0x00000000 [ 1681.414538] Workqueue: writeback bdi_writeback_workfn (flush-lustre-ffff8800aa) [ 1681.418044] Call Trace: [ 1681.419179] [] schedule+0x29/0x70 [ 1681.421561] [] schedule_timeout+0x209/0x290 [ 1681.424334] [] ? osc_sync_base+0xf3/0x280 [osc] [ 1681.427371] [] wait_for_completion+0xfc/0x140 [ 1681.430204] [] ? wake_up_state+0x20/0x20 [ 1681.432848] [] osc_io_fsync_end+0x5c/0x90 [osc] [ 1681.435814] [] cl_io_end+0x5c/0x150 [obdclass] [ 1681.438697] [] lov_io_end_wrapper+0xeb/0xf0 [lov] [ 1681.441673] [] lov_io_fsync_end+0x80/0x1b0 [lov] [ 1681.444645] [] cl_io_end+0x5c/0x150 [obdclass] [ 1681.447520] [] cl_io_loop+0xad/0x230 [obdclass] [ 1681.450442] [] cl_sync_file_range+0x30c/0x3b0 [lustre] [ 1681.453619] [] ll_writepages+0xf1/0x230 [lustre] [ 1681.457253] [] do_writepages+0x21/0x50 [ 1681.461040] [] __writeback_single_inode+0x40/0x2a0 [ 1681.465369] [] writeback_sb_inodes+0x2a6/0x480 [ 1681.469405] [] __writeback_inodes_wb+0x9f/0xd0 [ 1681.473221] [] wb_writeback+0x28b/0x340 [ 1681.476644] [] bdi_writeback_workfn+0x20c/0x4e0 [ 1681.480409] [] process_one_work+0x18d/0x4a0 [ 1681.483831] [] worker_thread+0x126/0x3b0 [ 1681.487071] [] ? manage_workers.isra.23+0x2a0/0x2a0 [ 1681.490642] [] kthread+0xe4/0xf0 [ 1681.493299] [] ? kthread_create_on_node+0x140/0x140 [ 1681.496889] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1681.500122] [] ? 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 11.08s (real) 5.77s (CPU), Child processes: 5.27s