************************ crashinfo ************************* /exports/testreports/47845/testresults/sanity-benchmark-special6-ldiskfs-centos7_x86_64-centos7_x86_64/oleg125-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.WYkLN/vmlinux [TAINTED] DUMPFILE: /exports/testreports/47845/testresults/sanity-benchmark-special6-ldiskfs-centos7_x86_64-centos7_x86_64/oleg125-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Thu Dec 12 11:07:24 EST 2024 UPTIME: 01:05:14 LOAD AVERAGE: 1.00, 1.01, 1.03 TASKS: 154 NODENAME: oleg125-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 23 last 60s 29 ----- 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 ----- -------------- ------ ---------------------------- 4752 ldlm_bl_02 0 ms (no user stack) 11 rcuos/0 0 ms (no user stack) 9 rcu_sched 0 ms (no user stack) 54 khugepaged 49 ms (no user stack) 575 kworker/2:2 130 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 355726 1.4 GB 37% of TOTAL MEM USED 599353 2.3 GB 62% of TOTAL MEM SHARED 479859 1.8 GB 50% of TOTAL MEM BUFFERS 5150 20.1 MB 0% of TOTAL MEM CACHED 522631 2 GB 54% of TOTAL MEM SLAB 40544 158.4 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 61644 240.8 MB 8% of TOTAL LIMIT +++WARNING+++ Panic while we were doing sync on FS +++three oldest UNINTERRUPTIBLE threads ... ran 3460s ago PID=1013 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 3911.5 eth0 n/a 2.1 RSS_TOTAL=77208 pages, %mem= 1.2 +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012aae8000 ffff880137308800 sysfs sysfs /sys ffff88012aae81c0 ffff880139944000 proc proc /proc ffff88012aae8380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012aae8540 ffff88012aa12800 securityfs securityfs /sys/kernel/security ffff88012aae8700 ffff880137309000 tmpfs tmpfs /dev/shm ffff88012aae88c0 ffff880137678800 devpts devpts /dev/pts ffff88012aae8a80 ffff880137309800 tmpfs tmpfs /run ffff88012aae8c40 ffff88013730a000 tmpfs tmpfs /sys/fs/cgroup ffff88012aae8e00 ffff88013730a800 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aae8fc0 ffff88013730b000 pstore pstore /sys/fs/pstore ffff88012aae9180 ffff88013730d000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aae9340 ffff88013730c800 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aae9500 ffff88013730c000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aae96c0 ffff88013730b800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aae9880 ffff88013730d800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aae9a40 ffff88013730e000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aae9c00 ffff88013730e800 cgroup cgroup /sys/fs/cgroup/pids ffff88012aae9dc0 ffff88013730f000 cgroup cgroup /sys/fs/cgroup/devices ffff88012aa70000 ffff88013730f800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aa701c0 ffff88012ab10000 cgroup cgroup /sys/fs/cgroup/memory ffff8801377f6700 ffff8800b6cda000 configfs configfs /sys/kernel/config ffff880138ccb180 ffff88012a47e800 ext4 /dev/nbd0 / ffff8801377f68c0 ffff88012aa2e800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff8801377f6a80 ffff8800b63be800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8801377f6c40 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff880138ccb340 ffff88012a692800 hugetlbfs hugetlbfs /dev/hugepages ffff88012aa70a80 ffff88013771f000 mqueue mqueue /dev/mqueue ffff880138ccb500 ffff88012a695800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff880138ccb6c0 ffff88012a696800 ramfs none /mnt ffff88012aa70e00 ffff88012a47c000 tmpfs none /var/lib/stateless/writable ffff8801377f6e00 ffff8800b63bf000 squashfs /dev/vda /home/green/git/lustre-release ffff8801377f6fc0 ffff88012a47c000 tmpfs none /var/cache/man ffff8801377f7180 ffff88012a47c000 tmpfs none /var/log ffff8801377f7340 ffff88012a47c000 tmpfs none /var/lib/dbus ffff88012aa70fc0 ffff88012a47c000 tmpfs none /tmp ffff880138ccb880 ffff88012a47c000 tmpfs none /var/lib/dhclient ffff8801376688c0 ffff88012a47c000 tmpfs none /var/tmp ffff880138ccba40 ffff88012a47c000 tmpfs none /var/lib/NetworkManager ffff8800b58c4000 ffff88012a47c000 tmpfs none /var/lib/systemd/random-seed ffff880138ccbc00 ffff88012a47c000 tmpfs none /var/spool ffff88012aa71180 ffff88012a47c000 tmpfs none /var/lib/nfs ffff8800b58c41c0 ffff88012a47c000 tmpfs none /var/lib/gssproxy ffff8800b58c4380 ffff88012a47c000 tmpfs none /var/lib/logrotate ffff8800b58c4540 ffff88012a47c000 tmpfs none /etc ffff8800b58c4700 ffff88012a47c000 tmpfs none /var/lib/rsyslog ffff88012aa71340 ffff88012a47c000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff880138ccbdc0 ffff8800b63b8800 nfs4 192.168.200.253:/exports/state/oleg125-client.virtnet /var/lib/stateless/state ffff8801377f7500 ffff8800b63b8800 nfs4 192.168.200.253:/exports/state/oleg125-client.virtnet /boot ffff8801377f76c0 ffff8800b63b8800 nfs4 192.168.200.253:/exports/state/oleg125-client.virtnet /etc/etc/kdump.conf ffff88012aa71880 ffff88012aa2e800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff88012bf66c40 ffff8800b60ee000 nfs4 192.168.200.253://exports/testreports/47845/testresults/sanity-benchmark-special6-ldiskfs-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff880136bec000 ffff88012ab17000 tmpfs tmpfs /run/user/0 ffff88012bf67180 ffff8800b63bf000 squashfs /dev/vda /usr/sbin/mount.lustre ffff880136bec700 ffff88012a6ab000 lustre 192.168.201.125@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 1561.465282] [] process_one_work+0x18d/0x4a0 [ 1561.467946] [] worker_thread+0x126/0x3b0 [ 1561.470526] [] ? manage_workers.isra.23+0x2a0/0x2a0 [ 1561.473382] [] kthread+0xe4/0xf0 [ 1561.475506] [] ? kthread_create_on_node+0x140/0x140 [ 1561.478295] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1561.481049] [] ? kthread_create_on_node+0x140/0x140 [ 1622.309526] LustreError: 9489:0:(osc_cache.c:908:osc_extent_wait()) extent ffff88012dc5c780@{[600280 -> 601087/601087], [4|0|+|rpc|wihuY|ffff880095c516c0], [3334144|808|+|+|ffff88012ff421c0|1024|ffff880095ef8000]} lustre-OST0001-osc-ffff88012a6ab000: wait ext to 0 timedout, recovery in progress? [ 1622.321748] LustreError: 9489:0:(osc_cache.c:908:osc_extent_wait()) ### extent: ffff88012dc5c780 ns: lustre-OST0001-osc-ffff88012a6ab000 lock: ffff88012ff421c0/0x96398fec2615b00 lrc: 31/0,0 mode: PW/PW res: [0x280000400:0x93c:0x0].0x0 rrc: 2 type: EXT [0->18446744073709551615] (req 0->8191) gid 0 flags: 0x800029400000000 nid: local remote: 0x762ec2c968f144ee expref: -99 pid: 10550 timeout: 0 lvb_type: 1 [ 1681.483511] INFO: task kworker/u8:3:1013 blocked for more than 120 seconds. [ 1681.486851] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1681.490509] kworker/u8:3 D ffff8800b6ee0000 11648 1013 2 0x00000000 [ 1681.494068] Workqueue: writeback bdi_writeback_workfn (flush-lustre-ffff88012a) [ 1681.497734] Call Trace: [ 1681.498919] [] schedule+0x29/0x70 [ 1681.501435] [] schedule_timeout+0x209/0x290 [ 1681.504337] [] ? osc_sync_base+0xf3/0x280 [osc] [ 1681.507333] [] wait_for_completion+0xfc/0x140 [ 1681.510248] [] ? wake_up_state+0x20/0x20 [ 1681.512965] [] osc_io_fsync_end+0x5c/0x90 [osc] [ 1681.516023] [] cl_io_end+0x5c/0x150 [obdclass] [ 1681.519001] [] lov_io_end_wrapper+0xeb/0xf0 [lov] [ 1681.522097] [] lov_io_fsync_end+0x80/0x1b0 [lov] [ 1681.525193] [] cl_io_end+0x5c/0x150 [obdclass] [ 1681.528192] [] cl_io_loop+0xad/0x230 [obdclass] [ 1681.531222] [] cl_sync_file_range+0x30c/0x3b0 [lustre] [ 1681.534509] [] ll_writepages+0xf1/0x230 [lustre] [ 1681.537562] [] do_writepages+0x21/0x50 [ 1681.540198] [] __writeback_single_inode+0x40/0x2a0 [ 1681.543289] [] writeback_sb_inodes+0x2a6/0x480 [ 1681.546225] [] __writeback_inodes_wb+0x9f/0xd0 [ 1681.549145] [] wb_writeback+0x28b/0x340 [ 1681.551788] [] bdi_writeback_workfn+0x20c/0x4e0 [ 1681.554646] [] process_one_work+0x18d/0x4a0 [ 1681.557309] [] worker_thread+0x126/0x3b0 [ 1681.559847] [] ? manage_workers.isra.23+0x2a0/0x2a0 [ 1681.562804] [] kthread+0xe4/0xf0 [ 1681.564918] [] ? kthread_create_on_node+0x140/0x140 [ 1681.567675] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1681.570390] [] ? 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 10.97s (real) 5.67s (CPU), Child processes: 5.26s