************************ crashinfo ************************* /exports/testreports/47845/testresults/sanity-benchmark-special9-zfs-DNE-centos7_x86_64-centos7_x86_64/oleg113-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.MNvsL/vmlinux [TAINTED] DUMPFILE: /exports/testreports/47845/testresults/sanity-benchmark-special9-zfs-DNE-centos7_x86_64-centos7_x86_64/oleg113-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Thu Dec 12 11:07:18 EST 2024 UPTIME: 01:05:09 LOAD AVERAGE: 1.00, 1.01, 1.05 TASKS: 154 NODENAME: oleg113-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 22 last 60s 27 ----- 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 ----- -------------- ------ ---------------------------- 28 watchdog/3 0 ms (no user stack) 24 kworker/2:0 0 ms (no user stack) 11 rcuos/0 0 ms (no user stack) 5548 ldlm_bl_01 0 ms (no user stack) 20 rcuos/1 108 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 392098 1.5 GB 41% of TOTAL MEM USED 562981 2.1 GB 58% of TOTAL MEM SHARED 445556 1.7 GB 46% of TOTAL MEM BUFFERS 5150 20.1 MB 0% of TOTAL MEM CACHED 488327 1.9 GB 51% of TOTAL MEM SLAB 38676 151.1 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 61652 240.8 MB 8% of TOTAL LIMIT +++WARNING+++ Panic while we were doing sync on FS +++three oldest UNINTERRUPTIBLE threads ... ran 3454s ago PID=5 CPU=0 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 3905.9 eth0 n/a 2.2 RSS_TOTAL=76052 pages, %mem= 1.3 +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668700 ffff8800b6d3a000 sysfs sysfs /sys ffff8801376688c0 ffff880139944000 proc proc /proc ffff880137668a80 ffff880137678000 devtmpfs devtmpfs /dev ffff880137668c40 ffff8800b6d29800 securityfs securityfs /sys/kernel/security ffff880137668e00 ffff8800b6d3a800 tmpfs tmpfs /dev/shm ffff880137668fc0 ffff88012b280800 devpts devpts /dev/pts ffff880137669180 ffff8800b6d3b000 tmpfs tmpfs /run ffff880137669340 ffff8800b6d3b800 tmpfs tmpfs /sys/fs/cgroup ffff880137669500 ffff8800b6d3c000 cgroup cgroup /sys/fs/cgroup/systemd ffff8801376696c0 ffff8800b6d3c800 pstore pstore /sys/fs/pstore ffff880137669880 ffff8800b6d3e800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff880137669a40 ffff8800b6d3e000 cgroup cgroup /sys/fs/cgroup/devices ffff880137669c00 ffff8800b6d3d800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff880137669dc0 ffff8800b6d3d000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aaf4000 ffff8800b6d3f000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aaf41c0 ffff8800b6d3f800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aaf4380 ffff88012aaf8000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aaf4540 ffff88012aaf8800 cgroup cgroup /sys/fs/cgroup/memory ffff88012aaf4700 ffff88012aaf9000 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aaf48c0 ffff88012aaf9800 cgroup cgroup /sys/fs/cgroup/pids ffff88012b27cc40 ffff8800b6d26000 configfs configfs /sys/kernel/config ffff88012aaf4e00 ffff88012a589800 ext4 /dev/nbd0 / ffff8800b6f34000 ffff8800b6d25800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff8800b5898000 ffff88012a5b6000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8800b6f34700 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8800b6f348c0 ffff8800b607f000 hugetlbfs hugetlbfs /dev/hugepages ffff8800b6f34a80 ffff88012b282000 mqueue mqueue /dev/mqueue ffff8800b58981c0 ffff8800b58a8800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff8800b5898540 ffff8800b58ac000 ramfs none /mnt ffff880138ccafc0 ffff8800b58fc000 tmpfs none /var/lib/stateless/writable ffff8800b6f34c40 ffff8800b58a4800 squashfs /dev/vda /home/green/git/lustre-release ffff8800b6f34fc0 ffff8800b58fc000 tmpfs none /var/cache/man ffff8800b5898700 ffff8800b58fc000 tmpfs none /var/log ffff880138ccb180 ffff8800b58fc000 tmpfs none /var/lib/dbus ffff8800b58988c0 ffff8800b58fc000 tmpfs none /tmp ffff8800b5898a80 ffff8800b58fc000 tmpfs none /var/lib/dhclient ffff8800b5898c40 ffff8800b58fc000 tmpfs none /var/tmp ffff8800b6f35180 ffff8800b58fc000 tmpfs none /var/lib/NetworkManager ffff8800b5898e00 ffff8800b58fc000 tmpfs none /var/lib/systemd/random-seed ffff8800b5898fc0 ffff8800b58fc000 tmpfs none /var/spool ffff8800b6f35340 ffff8800b58fc000 tmpfs none /var/lib/nfs ffff8800b6f35500 ffff8800b58fc000 tmpfs none /var/lib/gssproxy ffff8800b6f356c0 ffff8800b58fc000 tmpfs none /var/lib/logrotate ffff8800b5899180 ffff8800b58fc000 tmpfs none /etc ffff8800b6f35880 ffff8800b58fc000 tmpfs none /var/lib/rsyslog ffff88012aaf4fc0 ffff8800b58fc000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff880138ccb340 ffff88012b337800 nfs4 192.168.200.253:/exports/state/oleg113-client.virtnet /var/lib/stateless/state ffff880138ccb500 ffff88012b337800 nfs4 192.168.200.253:/exports/state/oleg113-client.virtnet /boot ffff880138ccb6c0 ffff88012b337800 nfs4 192.168.200.253:/exports/state/oleg113-client.virtnet /etc/etc/kdump.conf ffff8800b6f35c00 ffff8800b6d25800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b467fa40 ffff8800b6d2e800 nfs4 192.168.200.253://exports/testreports/47845/testresults/sanity-benchmark-special9-zfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b4453a40 ffff8800b5907800 tmpfs tmpfs /run/user/0 ffff8800b3e261c0 ffff8800b58a4800 squashfs /dev/vda /usr/sbin/mount.lustre ffff88012b48c1c0 ffff88012a5b3000 lustre 192.168.201.113@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 1561.585785] [] worker_thread+0x126/0x3b0 [ 1561.587328] [] ? manage_workers.isra.23+0x2a0/0x2a0 [ 1561.589335] [] kthread+0xe4/0xf0 [ 1561.590825] [] ? kthread_create_on_node+0x140/0x140 [ 1561.592836] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1561.594785] [] ? kthread_create_on_node+0x140/0x140 [ 1620.967959] LustreError: 5549:0:(osc_cache.c:908:osc_extent_wait()) extent ffff88012d687600@{[646400 -> 646655/646655], [3|0|+|rpc|wihuY|ffff88012d430d00], [1703936|172|+|-|ffff880096bb5d40|256|ffff88012ab80000]} lustre-OST0000-osc-ffff88012a5b3000: wait ext to 0 timedout, recovery in progress? [ 1620.973077] LustreError: 6056:0:(osc_cache.c:908:osc_extent_wait()) ### extent: ffff8800a6d199c0 ns: lustre-OST0001-osc-ffff88012a5b3000 lock: ffff880096bb5680/0x2fec561308f83c63 lrc: 44/0,0 mode: PW/PW res: [0x2c0000400:0x46b:0x0].0x0 rrc: 2 type: EXT [0->18446744073709551615] (req 0->8191) gid 0 flags: 0x800029400000000 nid: local remote: 0xf9bf05845092bfa1 expref: -99 pid: 11425 timeout: 0 lvb_type: 1 [ 1620.995171] LustreError: 5549:0:(osc_cache.c:908:osc_extent_wait()) Skipped 1 previous similar message [ 1681.596894] INFO: task kworker/u8:0:5 blocked for more than 120 seconds. [ 1681.599963] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1681.603408] kworker/u8:0 D ffff8801392e4440 11872 5 2 0x00000000 [ 1681.606814] Workqueue: writeback bdi_writeback_workfn (flush-lustre-ffff88012a) [ 1681.610339] Call Trace: [ 1681.611494] [] schedule+0x29/0x70 [ 1681.614073] [] schedule_timeout+0x209/0x290 [ 1681.616884] [] ? osc_sync_base+0xf3/0x280 [osc] [ 1681.620004] [] wait_for_completion+0xfc/0x140 [ 1681.622915] [] ? wake_up_state+0x20/0x20 [ 1681.625594] [] osc_io_fsync_end+0x5c/0x90 [osc] [ 1681.628598] [] cl_io_end+0x5c/0x150 [obdclass] [ 1681.631420] [] lov_io_end_wrapper+0xeb/0xf0 [lov] [ 1681.634454] [] lov_io_fsync_end+0x80/0x1b0 [lov] [ 1681.637253] [] cl_io_end+0x5c/0x150 [obdclass] [ 1681.639908] [] cl_io_loop+0xad/0x230 [obdclass] [ 1681.642303] [] cl_sync_file_range+0x30c/0x3b0 [lustre] [ 1681.645150] [] ll_writepages+0xf1/0x230 [lustre] [ 1681.647579] [] do_writepages+0x21/0x50 [ 1681.649607] [] __writeback_single_inode+0x40/0x2a0 [ 1681.651936] [] writeback_sb_inodes+0x2a6/0x480 [ 1681.654156] [] __writeback_inodes_wb+0x9f/0xd0 [ 1681.656275] [] wb_writeback+0x28b/0x340 [ 1681.658166] [] bdi_writeback_workfn+0x20c/0x4e0 [ 1681.660328] [] process_one_work+0x18d/0x4a0 [ 1681.662353] [] worker_thread+0x126/0x3b0 [ 1681.664214] [] ? manage_workers.isra.23+0x2a0/0x2a0 [ 1681.666349] [] kthread+0xe4/0xf0 [ 1681.667953] [] ? kthread_create_on_node+0x140/0x140 [ 1681.670081] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1681.672059] [] ? 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 Panic while we were doing sync on FS Run 'hanginfo' to get more details ------------------------------------------------------------------------------ ** Execution took 11.03s (real) 5.71s (CPU), Child processes: 5.29s