************************ crashinfo ************************* /exports/testreports/48091/testresults/replay-single-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg115-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.82QOc/vmlinux [TAINTED] DUMPFILE: /exports/testreports/48091/testresults/replay-single-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg115-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Fri Dec 20 04:27:15 EST 2024 UPTIME: 03:13:56 LOAD AVERAGE: 2.00, 2.01, 1.95 TASKS: 150 NODENAME: oleg115-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 17 last 5s 32 last 60s 35 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 144 TASK_RUNNING 1 TASK_UNINTERRUPTIBLE 2 +++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 ----- -------------- ------ ---------------------------- 13 watchdog/0 0 ms (no user stack) 34 rcuos/3 0 ms (no user stack) 2001 monitor_thread 0 ms (no user stack) 9 rcu_sched 0 ms (no user stack) 1 systemd 7 ms /usr/lib/systemd/systemd --switched-root --system --deserialize 22 +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 845237 3.2 GB 88% of TOTAL MEM USED 109842 429.1 MB 11% of TOTAL MEM SHARED 10255 40.1 MB 1% of TOTAL MEM BUFFERS 5233 20.4 MB 0% of TOTAL MEM CACHED 55382 216.3 MB 5% of TOTAL MEM SLAB 12764 49.9 MB 1% 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 64276 251.1 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3575s ago PID=28626 CPU=2 CMD=rm #0 __schedule+0x2e2 #1 schedule+0x29 #2 bit_wait+0x11 #3 __wait_on_bit+0x65 #4 __inode_wait_for_writeback+0xb0 #5 inode_wait_for_writeback+0x26 #6 evict+0x9d #7 iput+0xf5 #8 do_unlinkat+0x1ae #9 sys_unlinkat+0x1b #10 system_call_fastpath+0x1f, 477 bytes of data ... ran 3577s ago PID=20364 CPU=2 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 6 LISTEN 3 NAGLE disabled (TCP_NODELAY): 5 user_data set (NFS etc.): 4 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 11633.8 eth0 n/a 0.3 RSS_TOTAL=78144 pages, %mem= 1.3 +++WARNING+++ Possible hang +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668e00 ffff8800b78b7800 sysfs sysfs /sys ffff880137668fc0 ffff880139944000 proc proc /proc ffff880137669180 ffff880137678000 devtmpfs devtmpfs /dev ffff880137669340 ffff8800b6d0a000 securityfs securityfs /sys/kernel/security ffff880137669500 ffff88012aa78000 tmpfs tmpfs /dev/shm ffff8801376696c0 ffff88013767f000 devpts devpts /dev/pts ffff880137669880 ffff88012aa78800 tmpfs tmpfs /run ffff880137669a40 ffff88012aa79000 tmpfs tmpfs /sys/fs/cgroup ffff880137669c00 ffff88012aa79800 cgroup cgroup /sys/fs/cgroup/systemd ffff880137669dc0 ffff88012aa7a000 pstore pstore /sys/fs/pstore ffff88012aa8a000 ffff88012aa7c000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aa8a1c0 ffff88012aa7b800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aa8a380 ffff88012aa7b000 cgroup cgroup /sys/fs/cgroup/memory ffff88012aa8a540 ffff88012aa7a800 cgroup cgroup /sys/fs/cgroup/devices ffff88012aa8a700 ffff88012aa7c800 cgroup cgroup /sys/fs/cgroup/pids ffff88012aa8a8c0 ffff88012aa7d000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aa8aa80 ffff88012aa7d800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aa8ac40 ffff88012aa7e000 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aa8ae00 ffff88012aa7e800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aa8afc0 ffff88012aa7f000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aa8b500 ffff88012aafb000 configfs configfs /sys/kernel/config ffff88012aa8b6c0 ffff88012aafa000 ext4 /dev/nbd0 / ffff8800b62b3340 ffff88012aaf9800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012aa8c700 ffff88012aaff800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8800b62b3500 ffff880137321800 mqueue mqueue /dev/mqueue ffff88012aa8c8c0 ffff8800b632d800 hugetlbfs hugetlbfs /dev/hugepages ffff8800b62b36c0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012aa8ca80 ffff8800b6d0b800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012aa8ce00 ffff8800b6d0f800 ramfs none /mnt ffff88012aa8cfc0 ffff88012a5fd000 tmpfs none /var/lib/stateless/writable ffff8800b62b3880 ffff8800b5907000 squashfs /dev/vda /home/green/git/lustre-release ffff88012aa8b880 ffff88012a5fd000 tmpfs none /var/cache/man ffff88012aa8ba40 ffff88012a5fd000 tmpfs none /var/log ffff88012aa8bc00 ffff88012a5fd000 tmpfs none /var/lib/dbus ffff88012aa8bdc0 ffff88012a5fd000 tmpfs none /tmp ffff88012aa8b340 ffff88012a5fd000 tmpfs none /var/lib/dhclient ffff8800b62b3c00 ffff88012a5fd000 tmpfs none /var/tmp ffff8800b3eac000 ffff88012a5fd000 tmpfs none /var/lib/NetworkManager ffff8800b3eac1c0 ffff88012a5fd000 tmpfs none /var/lib/systemd/random-seed ffff8800b3eac380 ffff88012a5fd000 tmpfs none /var/spool ffff8800b62b3dc0 ffff88012a5fd000 tmpfs none /var/lib/nfs ffff8800b3eac540 ffff88012a5fd000 tmpfs none /var/lib/gssproxy ffff8800b602c000 ffff88012a5fd000 tmpfs none /var/lib/logrotate ffff8800b602c1c0 ffff88012a5fd000 tmpfs none /etc ffff8800b3eac700 ffff88012a5fd000 tmpfs none /var/lib/rsyslog ffff8800b3eac8c0 ffff88012a5fd000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b602c380 ffff8800b63d5000 nfs4 192.168.200.253:/exports/state/oleg115-client.virtnet /var/lib/stateless/state ffff8800b602ca80 ffff8800b63d5000 nfs4 192.168.200.253:/exports/state/oleg115-client.virtnet /boot ffff8800b3eaca80 ffff8800b63d5000 nfs4 192.168.200.253:/exports/state/oleg115-client.virtnet /etc/etc/kdump.conf ffff8800b602cc40 ffff88012aaf9800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff88012a41efc0 ffff8800b6329000 nfs4 192.168.200.253://exports/testreports/48091/testresults/replay-single-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff88012a41f340 ffff88012b4f3000 tmpfs tmpfs /run/user/0 ffff8800b38b48c0 ffff8800b5907000 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b38b5180 ffff8800a7cb1000 lustre 192.168.201.115@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 8761.406463] [] ? wake_up_state+0x20/0x20 [ 8761.409226] [] osc_io_fsync_end+0x5c/0x90 [osc] [ 8761.411948] [] cl_io_end+0x5c/0x150 [obdclass] [ 8761.414505] [] lov_io_end_wrapper+0xeb/0xf0 [lov] [ 8761.416851] [] lov_io_fsync_end+0x80/0x1b0 [lov] [ 8761.419457] [] cl_io_end+0x5c/0x150 [obdclass] [ 8761.422266] [] cl_io_loop+0xad/0x230 [obdclass] [ 8761.424723] [] cl_sync_file_range+0x30c/0x3b0 [lustre] [ 8761.427597] [] ll_writepages+0xf1/0x230 [lustre] [ 8761.429789] [] do_writepages+0x21/0x50 [ 8761.431915] [] __writeback_single_inode+0x40/0x2a0 [ 8761.435001] [] ? do_raw_spin_unlock+0x49/0x90 [ 8761.437034] [] writeback_sb_inodes+0x2a6/0x480 [ 8761.439359] [] __writeback_inodes_wb+0x9f/0xd0 [ 8761.441242] [] wb_writeback+0x28b/0x340 [ 8761.443332] [] bdi_writeback_workfn+0x20c/0x4e0 [ 8761.445832] [] process_one_work+0x18d/0x4a0 [ 8761.447491] [] worker_thread+0x126/0x3b0 [ 8761.449295] [] ? manage_workers.isra.23+0x2a0/0x2a0 [ 8761.451494] [] kthread+0xe4/0xf0 [ 8761.453553] [] ? kthread_create_on_node+0x140/0x140 [ 8761.455754] [] ret_from_fork_nospec_begin+0x7/0x21 [ 8761.458355] [] ? kthread_create_on_node+0x140/0x140 [ 8761.460871] INFO: task rm:28626 blocked for more than 120 seconds. [ 8761.463108] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 8761.465652] rm D ffff88012a474a38 11864 28626 27961 0x00000000 [ 8761.468209] Call Trace: [ 8761.468868] [] ? out_of_line_wait_on_atomic_t+0x100/0x100 [ 8761.471454] [] schedule+0x29/0x70 [ 8761.473098] [] bit_wait+0x11/0x50 [ 8761.474654] [] __wait_on_bit+0x65/0x90 [ 8761.476620] [] __inode_wait_for_writeback+0xb0/0xf0 [ 8761.478661] [] ? wake_bit_function+0x40/0x40 [ 8761.481132] [] inode_wait_for_writeback+0x26/0x40 [ 8761.483220] [] evict+0x9d/0x180 [ 8761.485194] [] iput+0xf5/0x180 [ 8761.486945] [] do_unlinkat+0x1ae/0x2b0 [ 8761.488854] [] ? trace_do_page_fault+0x56/0x170 [ 8761.491157] [] SyS_unlinkat+0x1b/0x40 [ 8761.493246] [] system_call_fastpath+0x1f/0x24 ****************************************************************************** ************************ 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 Possible hang Run 'hanginfo' to get more details ------------------------------------------------------------------------------ ** Execution took 11.24s (real) 5.79s (CPU), Child processes: 5.37s