************************ crashinfo ************************* /exports/testreports/47845/testresults/sanity-benchmark-special4-ldiskfs-DNE-centos7_x86_64-centos7_x86_64-retry1/oleg159-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.BNQfi/vmlinux [TAINTED] DUMPFILE: /exports/testreports/47845/testresults/sanity-benchmark-special4-ldiskfs-DNE-centos7_x86_64-centos7_x86_64-retry1/oleg159-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Thu Dec 12 11:07:44 EST 2024 UPTIME: 01:05:33 LOAD AVERAGE: 2.00, 1.99, 1.95 TASKS: 155 NODENAME: oleg159-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 27 last 60s 33 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 149 TASK_RUNNING 1 TASK_UNINTERRUPTIBLE 1 TASK_UNINTERRUPTIBLE|TASK_DEAD 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 ----- -------------- ------ ---------------------------- 11 rcuos/0 0 ms (no user stack) 34 rcuos/3 0 ms (no user stack) 9 rcu_sched 0 ms (no user stack) 1 systemd 5 ms /usr/lib/systemd/systemd --switched-root --system --deserialize 22 11360 bonnie++ 44 ms bonnie++ -f -r 0 -s5277 -n 10 -u500:500 -d/mnt/lustre/d0.bonnie +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 453591 1.7 GB 47% of TOTAL MEM USED 501488 1.9 GB 52% of TOTAL MEM SHARED 386521 1.5 GB 40% of TOTAL MEM BUFFERS 5150 20.1 MB 0% of TOTAL MEM CACHED 429298 1.6 GB 44% of TOTAL MEM SLAB 35446 138.5 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 61697 241 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3514s ago PID=11384 CPU=1 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 3929.2 eth0 n/a 0.1 RSS_TOTAL=76772 pages, %mem= 1.3 +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012aaca000 ffff8800b6ccd000 sysfs sysfs /sys ffff88012aaca1c0 ffff880139944000 proc proc /proc ffff88012aaca380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012aaca540 ffff8800b6d09800 securityfs securityfs /sys/kernel/security ffff88012aaca700 ffff8800b6ccd800 tmpfs tmpfs /dev/shm ffff88012aaca8c0 ffff880137166800 devpts devpts /dev/pts ffff88012aacaa80 ffff8800b6cce000 tmpfs tmpfs /run ffff88012aacac40 ffff8800b6cce800 tmpfs tmpfs /sys/fs/cgroup ffff88012aacae00 ffff8800b6ccf000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aacafc0 ffff8800b6ccf800 pstore pstore /sys/fs/pstore ffff88012aacb180 ffff88012aae1800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aacb340 ffff88012aae1000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aacb500 ffff88012aae0800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aacb6c0 ffff88012aae0000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aacb880 ffff88012b3a7800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aada000 ffff88012aaf0000 cgroup cgroup /sys/fs/cgroup/devices ffff88012aada1c0 ffff88012aaf0800 cgroup cgroup /sys/fs/cgroup/pids ffff88012aada380 ffff88012aaf1000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aada540 ffff88012aaf1800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aada700 ffff88012aaf2000 cgroup cgroup /sys/fs/cgroup/memory ffff880137668700 ffff88013767e000 configfs configfs /sys/kernel/config ffff88012aadba40 ffff88012aaf6000 ext4 /dev/nbd0 / ffff880138ccbdc0 ffff88012aae6800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012aacba40 ffff8800b60db800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8801376688c0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012aadbdc0 ffff88012b2c0000 mqueue mqueue /dev/mqueue ffff880137668a80 ffff8800b585b800 hugetlbfs hugetlbfs /dev/hugepages ffff8800b6384000 ffff8800b6265000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012aacbdc0 ffff8800b60d9800 ramfs none /mnt ffff8800b63841c0 ffff8800b6266800 tmpfs none /var/lib/stateless/writable ffff880137668e00 ffff8800b6303800 squashfs /dev/vda /home/green/git/lustre-release ffff880137668fc0 ffff8800b6266800 tmpfs none /var/cache/man ffff8800b6384380 ffff8800b6266800 tmpfs none /var/log ffff8800b6384540 ffff8800b6266800 tmpfs none /var/lib/dbus ffff880137669180 ffff8800b6266800 tmpfs none /tmp ffff8800b6384700 ffff8800b6266800 tmpfs none /var/lib/dhclient ffff8800b63848c0 ffff8800b6266800 tmpfs none /var/tmp ffff880137669340 ffff8800b6266800 tmpfs none /var/lib/NetworkManager ffff88012aacbc00 ffff8800b6266800 tmpfs none /var/lib/systemd/random-seed ffff880137669500 ffff8800b6266800 tmpfs none /var/spool ffff8800b3e48000 ffff8800b6266800 tmpfs none /var/lib/nfs ffff8801376696c0 ffff8800b6266800 tmpfs none /var/lib/gssproxy ffff8800b3e481c0 ffff8800b6266800 tmpfs none /var/lib/logrotate ffff880137669880 ffff8800b6266800 tmpfs none /etc ffff880138ccb500 ffff8800b6266800 tmpfs none /var/lib/rsyslog ffff8800b6384a80 ffff8800b6266800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b3e48380 ffff8800b60d8800 nfs4 192.168.200.253:/exports/state/oleg159-client.virtnet /var/lib/stateless/state ffff8800b3e48700 ffff8800b60d8800 nfs4 192.168.200.253:/exports/state/oleg159-client.virtnet /boot ffff880137669a40 ffff8800b60d8800 nfs4 192.168.200.253:/exports/state/oleg159-client.virtnet /etc/etc/kdump.conf ffff880137669c00 ffff88012aae6800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b3cff880 ffff88013767c800 nfs4 192.168.200.253://exports/testreports/47845/testresults/sanity-benchmark-special4-ldiskfs-DNE-centos7_x86_64-centos7_x86_64-retry1 /tmp/tmp/testlogs ffff8800b6384e00 ffff8800b60d2000 tmpfs tmpfs /run/user/0 ffff8800b3cffc00 ffff8800b6303800 squashfs /dev/vda /usr/sbin/mount.lustre ffff88012a4d0c40 ffff8800b5859800 lustre 192.168.201.159@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 1561.728387] [] worker_thread+0x126/0x3b0 [ 1561.730739] [] ? manage_workers.isra.23+0x2a0/0x2a0 [ 1561.733155] [] kthread+0xe4/0xf0 [ 1561.734919] [] ? kthread_create_on_node+0x140/0x140 [ 1561.737235] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1561.739415] [] ? kthread_create_on_node+0x140/0x140 [ 1623.569077] LustreError: 5410:0:(osc_cache.c:908:osc_extent_wait()) extent ffff880092b50a80@{[419478 -> 419839/419839], [3|0|+|rpc|wihuY|ffff880091518820], [1507328|362|+|-|ffff88012e29aac0|1024|ffff8800b595a220]} lustre-OST0001-osc-ffff8800b5859800: wait ext to 0 timedout, recovery in progress? [ 1623.580261] LustreError: 5410:0:(osc_cache.c:908:osc_extent_wait()) ### extent: ffff880092b50a80 ns: lustre-OST0001-osc-ffff8800b5859800 lock: ffff88012e29aac0/0x7bebe6c89487db68 lrc: 75/0,0 mode: PW/PW res: [0x2c0000400:0x62b:0x0].0x0 rrc: 2 type: EXT [0->18446744073709551615] (req 0->8191) gid 0 flags: 0x800029400000000 nid: local remote: 0xa3d2943d85eee3ed expref: -99 pid: 11360 timeout: 0 lvb_type: 1 [ 1681.740940] INFO: task kworker/u8:1:11384 blocked for more than 120 seconds. [ 1681.745377] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1681.750052] kworker/u8:1 D ffff8800ab0d5550 11976 11384 2 0x00000000 [ 1681.754404] Workqueue: writeback bdi_writeback_workfn (flush-lustre-ffff8800b5) [ 1681.758650] Call Trace: [ 1681.760051] [] schedule+0x29/0x70 [ 1681.762854] [] schedule_timeout+0x209/0x290 [ 1681.766064] [] ? osc_sync_base+0xf3/0x280 [osc] [ 1681.769292] [] wait_for_completion+0xfc/0x140 [ 1681.772414] [] ? wake_up_state+0x20/0x20 [ 1681.775963] [] osc_io_fsync_end+0x5c/0x90 [osc] [ 1681.780270] [] cl_io_end+0x5c/0x150 [obdclass] [ 1681.784368] [] lov_io_end_wrapper+0xeb/0xf0 [lov] [ 1681.788652] [] lov_io_fsync_end+0x80/0x1b0 [lov] [ 1681.792918] [] cl_io_end+0x5c/0x150 [obdclass] [ 1681.797003] [] cl_io_loop+0xad/0x230 [obdclass] [ 1681.800883] [] cl_sync_file_range+0x30c/0x3b0 [lustre] [ 1681.805135] [] ll_writepages+0xf1/0x230 [lustre] [ 1681.808822] [] do_writepages+0x21/0x50 [ 1681.811980] [] __writeback_single_inode+0x40/0x2a0 [ 1681.815680] [] ? enqueue_entity+0x2ef/0xc30 [ 1681.818857] [] writeback_sb_inodes+0x2a6/0x480 [ 1681.822133] [] __writeback_inodes_wb+0x9f/0xd0 [ 1681.825375] [] wb_writeback+0x28b/0x340 [ 1681.828193] [] bdi_writeback_workfn+0x20c/0x4e0 [ 1681.831348] [] process_one_work+0x18d/0x4a0 [ 1681.834109] [] worker_thread+0x126/0x3b0 [ 1681.836780] [] ? manage_workers.isra.23+0x2a0/0x2a0 [ 1681.839873] [] kthread+0xe4/0xf0 [ 1681.842216] [] ? kthread_create_on_node+0x140/0x140 [ 1681.845052] [] ret_from_fork_nospec_begin+0x7/0x21 [ 1681.847879] [] ? 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 11.32s (real) 5.83s (CPU), Child processes: 5.45s