************************ crashinfo ************************* /exports/testreports/47845/testresults/sanity-benchmark-special3-ldiskfs-centos7_x86_64-centos7_x86_64-retry1/oleg108-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.V6vRN/vmlinux [TAINTED] DUMPFILE: /exports/testreports/47845/testresults/sanity-benchmark-special3-ldiskfs-centos7_x86_64-centos7_x86_64-retry1/oleg108-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Thu Dec 12 11:07:24 EST 2024 UPTIME: 01:05:13 LOAD AVERAGE: 1.00, 1.01, 1.05 TASKS: 154 NODENAME: oleg108-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 14 last 5s 24 last 60s 30 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 149 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) 14 watchdog/1 0 ms (no user stack) 4744 ldlm_bl_02 0 ms (no user stack) 49 kworker/0:1 108 ms (no user stack) 11 rcuos/0 194 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 465781 1.8 GB 48% of TOTAL MEM USED 489298 1.9 GB 51% of TOTAL MEM SHARED 376181 1.4 GB 39% of TOTAL MEM BUFFERS 5150 20.1 MB 0% of TOTAL MEM CACHED 418953 1.6 GB 43% of TOTAL MEM SLAB 34754 135.8 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 61665 240.9 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3492s ago PID=5 CPU=3 CMD=kworker/u8:0 #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 3909.2 eth0 n/a 0.2 RSS_TOTAL=71812 pages, %mem= 1.2 +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880138ccafc0 ffff8801372ee800 sysfs sysfs /sys ffff880138ccb180 ffff880139944000 proc proc /proc ffff880138ccb340 ffff880137678000 devtmpfs devtmpfs /dev ffff880138ccb500 ffff8800b6c9c800 securityfs securityfs /sys/kernel/security ffff880138ccb6c0 ffff8801372ef000 tmpfs tmpfs /dev/shm ffff880138ccb880 ffff8801373d0800 devpts devpts /dev/pts ffff880138ccba40 ffff8801372ef800 tmpfs tmpfs /run ffff880138ccbc00 ffff88012ab20000 tmpfs tmpfs /sys/fs/cgroup ffff880138ccbdc0 ffff88012ab20800 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aa9a000 ffff88012ab21000 pstore pstore /sys/fs/pstore ffff88012aa9a1c0 ffff88012ab23000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aa9a380 ffff88012ab22800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aa9a540 ffff88012ab22000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aa9a700 ffff88012ab21800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aa9a8c0 ffff88012ab23800 cgroup cgroup /sys/fs/cgroup/devices ffff88012aa9aa80 ffff88012ab24000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aa9ac40 ffff88012ab24800 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aa9ae00 ffff88012ab25000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aa9afc0 ffff88012ab25800 cgroup cgroup /sys/fs/cgroup/memory ffff88012aa9b180 ffff88012ab26000 cgroup cgroup /sys/fs/cgroup/pids ffff88012aa9b500 ffff8800b6e93800 configfs configfs /sys/kernel/config ffff880137668540 ffff88012a60a000 ext4 /dev/nbd0 / ffff88012b26d880 ffff8800b6d06000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012b2688c0 ffff8800b5816800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012b268a80 ffff8800b5814800 hugetlbfs hugetlbfs /dev/hugepages ffff880137668700 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012b26c540 ffff88012b270800 mqueue mqueue /dev/mqueue ffff88012aa9ba40 ffff8800b6330000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012b268c40 ffff8800b59ba800 ramfs none /mnt ffff8801376688c0 ffff8800b59a1000 tmpfs none /var/lib/stateless/writable ffff880137668a80 ffff8800b59a7000 squashfs /dev/vda /home/green/git/lustre-release ffff880137668c40 ffff8800b59a1000 tmpfs none /var/cache/man ffff88012b268e00 ffff8800b59a1000 tmpfs none /var/log ffff880137668e00 ffff8800b59a1000 tmpfs none /var/lib/dbus ffff88012c548000 ffff8800b59a1000 tmpfs none /tmp ffff880137668fc0 ffff8800b59a1000 tmpfs none /var/lib/dhclient ffff88012c5481c0 ffff8800b59a1000 tmpfs none /var/tmp ffff88012c548380 ffff8800b59a1000 tmpfs none /var/lib/NetworkManager ffff880137669180 ffff8800b59a1000 tmpfs none /var/lib/systemd/random-seed ffff880137669340 ffff8800b59a1000 tmpfs none /var/spool ffff880137669500 ffff8800b59a1000 tmpfs none /var/lib/nfs ffff88012c548540 ffff8800b59a1000 tmpfs none /var/lib/gssproxy ffff88012b268fc0 ffff8800b59a1000 tmpfs none /var/lib/logrotate ffff88012c548700 ffff8800b59a1000 tmpfs none /etc ffff8801376696c0 ffff8800b59a1000 tmpfs none /var/lib/rsyslog ffff88012c5488c0 ffff8800b59a1000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012b269180 ffff88012a60b800 nfs4 192.168.200.253:/exports/state/oleg108-client.virtnet /var/lib/stateless/state ffff88012c548a80 ffff88012a60b800 nfs4 192.168.200.253:/exports/state/oleg108-client.virtnet /boot ffff88012c548c40 ffff88012a60b800 nfs4 192.168.200.253:/exports/state/oleg108-client.virtnet /etc/etc/kdump.conf ffff88012c548e00 ffff8800b6d06000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b3ad4a80 ffff8800b6e90800 nfs4 192.168.200.253://exports/testreports/47845/testresults/sanity-benchmark-special3-ldiskfs-centos7_x86_64-centos7_x86_64-retry1 /tmp/tmp/testlogs ffff8800b3e76c40 ffff8800b6cb5800 tmpfs tmpfs /run/user/0 ffff88012aa9bc00 ffff8800b59a7000 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800ac0fa1c0 ffff88012a609800 lustre 192.168.201.108@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 1561.741115] [] process_one_work+0x18d/0x4a0 [ 1561.743888] [] worker_thread+0x126/0x3b0 [ 1561.746524] [] ? manage_workers.isra.23+0x2a0/0x2a0 [ 1561.749562] [] kthread+0xe4/0xf0 [ 1561.751805] [] ? kthread_create_on_node+0x140/0x140 [ 1561.754659] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1561.757482] [] ? kthread_create_on_node+0x140/0x140 [ 1631.250951] LustreError: 4743:0:(osc_cache.c:908:osc_extent_wait()) extent ffff8800a9b4c9c0@{[40960 -> 41951/41983], [3|0|+|rpc|wiuY|ffff880099c8c9c0], [4087808|992|+|-|ffff88009222af40|1024|ffff8801392e4440]} lustre-OST0000-osc-ffff88012a609800: wait ext to 0 timedout, recovery in progress? [ 1631.262608] LustreError: 4743:0:(osc_cache.c:908:osc_extent_wait()) ### extent: ffff8800a9b4c9c0 ns: lustre-OST0000-osc-ffff88012a609800 lock: ffff88009222af40/0x1b30cc1ed2006290 lrc: 5/0,0 mode: PW/PW res: [0x240000400:0x918:0x0].0x0 rrc: 2 type: EXT [0->18446744073709551615] (req 0->8191) gid 0 flags: 0x800029400000000 nid: local remote: 0xeae7a8f03506e4b4 expref: -99 pid: 10530 timeout: 0 lvb_type: 1 [ 1681.759938] INFO: task kworker/u8:0:5 blocked for more than 120 seconds. [ 1681.763085] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1681.766656] kworker/u8:0 D ffff8801392e4a38 11648 5 2 0x00000000 [ 1681.770245] Workqueue: writeback bdi_writeback_workfn (flush-lustre-ffff88012a) [ 1681.773876] Call Trace: [ 1681.775069] [] schedule+0x29/0x70 [ 1681.777553] [] schedule_timeout+0x209/0x290 [ 1681.780443] [] ? osc_sync_base+0xf3/0x280 [osc] [ 1681.783425] [] wait_for_completion+0xfc/0x140 [ 1681.786324] [] ? wake_up_state+0x20/0x20 [ 1681.789037] [] osc_io_fsync_end+0x5c/0x90 [osc] [ 1681.792101] [] cl_io_end+0x5c/0x150 [obdclass] [ 1681.795079] [] lov_io_end_wrapper+0xeb/0xf0 [lov] [ 1681.798162] [] lov_io_fsync_end+0x80/0x1b0 [lov] [ 1681.801224] [] cl_io_end+0x5c/0x150 [obdclass] [ 1681.804214] [] cl_io_loop+0xad/0x230 [obdclass] [ 1681.807226] [] cl_sync_file_range+0x30c/0x3b0 [lustre] [ 1681.810501] [] ll_writepages+0xf1/0x230 [lustre] [ 1681.813645] [] do_writepages+0x21/0x50 [ 1681.816285] [] __writeback_single_inode+0x40/0x2a0 [ 1681.819346] [] writeback_sb_inodes+0x2a6/0x480 [ 1681.822376] [] __writeback_inodes_wb+0x9f/0xd0 [ 1681.827026] [] wb_writeback+0x28b/0x340 [ 1681.830502] [] bdi_writeback_workfn+0x20c/0x4e0 [ 1681.834885] [] process_one_work+0x18d/0x4a0 [ 1681.838727] [] worker_thread+0x126/0x3b0 [ 1681.842308] [] ? manage_workers.isra.23+0x2a0/0x2a0 [ 1681.846271] [] kthread+0xe4/0xf0 [ 1681.849342] [] ? kthread_create_on_node+0x140/0x140 [ 1681.853105] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1681.856838] [] ? 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 11.34s (real) 5.87s (CPU), Child processes: 5.45s