************************ crashinfo ************************* /exports/testreports/51305/testresults/replay-single-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg129-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.JRkmU/vmlinux [TAINTED] DUMPFILE: /exports/testreports/51305/testresults/replay-single-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg129-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Fri May 2 02:42:23 EDT 2025 UPTIME: 03:21:07 LOAD AVERAGE: 2.03, 2.01, 1.97 TASKS: 150 NODENAME: oleg129-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 15 last 5s 27 last 60s 40 ----- 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 ----- -------------- ------ ---------------------------- 1999 socknal_sd00_00 0 ms (no user stack) 1998 socknal_reaper 0 ms (no user stack) 17095 kworker/0:2 0 ms (no user stack) 2009 ptlrpcd_01_00 0 ms (no user stack) 2006 ptlrpcd_rcv 0 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 844548 3.2 GB 88% of TOTAL MEM USED 110531 431.8 MB 11% of TOTAL MEM SHARED 10292 40.2 MB 1% of TOTAL MEM BUFFERS 5267 20.6 MB 0% of TOTAL MEM CACHED 56492 220.7 MB 5% of TOTAL MEM SLAB 12841 50.2 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 65318 255.1 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3568s ago PID=16124 CPU=1 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 3568s ago PID=9324 CPU=1 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 12064.2 eth0 n/a 0.1 RSS_TOTAL=76428 pages, %mem= 1.2 +++WARNING+++ Possible hang +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668c40 ffff88013716a000 sysfs sysfs /sys ffff880137668e00 ffff880139944000 proc proc /proc ffff880137668fc0 ffff880137678000 devtmpfs devtmpfs /dev ffff880137669180 ffff88012ab18000 securityfs securityfs /sys/kernel/security ffff880137669340 ffff88013716a800 tmpfs tmpfs /dev/shm ffff880137669500 ffff88012b280000 devpts devpts /dev/pts ffff8801376696c0 ffff88013716b000 tmpfs tmpfs /run ffff880137669880 ffff88013716b800 tmpfs tmpfs /sys/fs/cgroup ffff880137669a40 ffff88013716c000 cgroup cgroup /sys/fs/cgroup/systemd ffff880137669c00 ffff88013716c800 pstore pstore /sys/fs/pstore ffff880137669dc0 ffff88013716e800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aac4000 ffff88013716e000 cgroup cgroup /sys/fs/cgroup/pids ffff88012aac41c0 ffff88013716d800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aac4380 ffff88013716d000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aac4540 ffff88013716f000 cgroup cgroup /sys/fs/cgroup/devices ffff88012aac4700 ffff88013716f800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aac48c0 ffff88012ab40000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aac4a80 ffff88012ab40800 cgroup cgroup /sys/fs/cgroup/memory ffff88012aac4c40 ffff88012ab41000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aac4e00 ffff88012ab41800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012ab14380 ffff88012ab1a800 configfs configfs /sys/kernel/config ffff88012ab15500 ffff88012ab1f000 ext4 /dev/nbd0 / ffff880138ccb340 ffff88012ab1b000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012ab15c00 ffff88012b3ed000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012aac5180 ffff880137168800 mqueue mqueue /dev/mqueue ffff88012aac5340 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012ab15dc0 ffff88012ab44800 hugetlbfs hugetlbfs /dev/hugepages ffff88012ab15a40 ffff88012ab43000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012ab156c0 ffff88012b3e8800 ramfs none /mnt ffff8800b61b01c0 ffff8800b6365000 tmpfs none /var/lib/stateless/writable ffff880138ccb500 ffff8800b6390000 squashfs /dev/vda /home/green/git/lustre-release ffff88012aac5500 ffff8800b6365000 tmpfs none /var/cache/man ffff8800b5dba000 ffff8800b6365000 tmpfs none /var/log ffff88012aac56c0 ffff8800b6365000 tmpfs none /var/lib/dbus ffff88012aac5880 ffff8800b6365000 tmpfs none /tmp ffff8800b5dba1c0 ffff8800b6365000 tmpfs none /var/lib/dhclient ffff8800b5dba380 ffff8800b6365000 tmpfs none /var/tmp ffff8800b5dba540 ffff8800b6365000 tmpfs none /var/lib/NetworkManager ffff8800b5dba700 ffff8800b6365000 tmpfs none /var/lib/systemd/random-seed ffff88012aac5a40 ffff8800b6365000 tmpfs none /var/spool ffff8800b5dba8c0 ffff8800b6365000 tmpfs none /var/lib/nfs ffff8800b61b0380 ffff8800b6365000 tmpfs none /var/lib/gssproxy ffff8800b5dbaa80 ffff8800b6365000 tmpfs none /var/lib/logrotate ffff88012aac5c00 ffff8800b6365000 tmpfs none /etc ffff8800b5dbac40 ffff8800b6365000 tmpfs none /var/lib/rsyslog ffff8800b5dbae00 ffff8800b6365000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b5dbafc0 ffff88012ab43800 nfs4 192.168.200.253:/exports/state/oleg129-client.virtnet /var/lib/stateless/state ffff8800b5dbb500 ffff88012ab43800 nfs4 192.168.200.253:/exports/state/oleg129-client.virtnet /boot ffff88012aac5dc0 ffff88012ab43800 nfs4 192.168.200.253:/exports/state/oleg129-client.virtnet /etc/etc/kdump.conf ffff880137668a80 ffff88012ab1b000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b381fdc0 ffff8800b5fae000 nfs4 192.168.200.253://exports/testreports/51305/testresults/replay-single-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff88012b7848c0 ffff88012b4d6800 tmpfs tmpfs /run/user/0 ffff88012a546380 ffff8800b6390000 squashfs /dev/vda /usr/sbin/mount.lustre ffff88012a547180 ffff88012c118800 lustre 192.168.201.129@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 9122.061946] [] ? wake_up_state+0x20/0x20 [ 9122.064011] [] osc_io_fsync_end+0x5c/0x90 [osc] [ 9122.069030] [] cl_io_end+0x5c/0x150 [obdclass] [ 9122.072305] [] lov_io_end_wrapper+0xeb/0xf0 [lov] [ 9122.075720] [] lov_io_fsync_end+0x80/0x1b0 [lov] [ 9122.080653] [] cl_io_end+0x5c/0x150 [obdclass] [ 9122.083635] [] cl_io_loop+0xad/0x230 [obdclass] [ 9122.087704] [] cl_sync_file_range+0x30c/0x3b0 [lustre] [ 9122.092812] [] ll_writepages+0xf1/0x230 [lustre] [ 9122.095642] [] do_writepages+0x21/0x50 [ 9122.102625] [] __writeback_single_inode+0x40/0x2a0 [ 9122.106138] [] ? do_raw_spin_unlock+0x49/0x90 [ 9122.112333] [] writeback_sb_inodes+0x2a6/0x480 [ 9122.117803] [] __writeback_inodes_wb+0x9f/0xd0 [ 9122.123033] [] wb_writeback+0x28b/0x340 [ 9122.129928] [] bdi_writeback_workfn+0x20c/0x4e0 [ 9122.135169] [] process_one_work+0x18d/0x4a0 [ 9122.140931] [] worker_thread+0x126/0x3b0 [ 9122.145605] [] ? manage_workers.isra.23+0x2a0/0x2a0 [ 9122.150921] [] kthread+0xe4/0xf0 [ 9122.155939] [] ? kthread_create_on_node+0x140/0x140 [ 9122.162410] [] ret_from_fork_nospec_begin+0x7/0x21 [ 9122.167561] [] ? kthread_create_on_node+0x140/0x140 [ 9122.174618] INFO: task rm:16124 blocked for more than 120 seconds. [ 9122.180565] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 9122.190371] rm D ffff88012aae3928 11624 16124 15463 0x00000000 [ 9122.193278] Call Trace: [ 9122.196023] [] ? out_of_line_wait_on_atomic_t+0x100/0x100 [ 9122.203253] [] schedule+0x29/0x70 [ 9122.210693] [] bit_wait+0x11/0x50 [ 9122.218334] [] __wait_on_bit+0x65/0x90 [ 9122.230739] [] __inode_wait_for_writeback+0xb0/0xf0 [ 9122.233436] [] ? wake_bit_function+0x40/0x40 [ 9122.239883] [] inode_wait_for_writeback+0x26/0x40 [ 9122.246315] [] evict+0x9d/0x180 [ 9122.249207] [] iput+0xf5/0x180 [ 9122.251821] [] do_unlinkat+0x1ae/0x2b0 [ 9122.253771] [] ? trace_do_page_fault+0x56/0x170 [ 9122.265999] [] SyS_unlinkat+0x1b/0x40 [ 9122.270112] [] 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 11.69s (real) 5.99s (CPU), Child processes: 5.64s