************************ crashinfo ************************* /exports/testreports/51304/testresults/sanity2-zfs-centos7_x86_64-centos7_x86_64/oleg319-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.BMdEL/vmlinux [TAINTED] DUMPFILE: /exports/testreports/51304/testresults/sanity2-zfs-centos7_x86_64-centos7_x86_64/oleg319-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Fri May 2 03:33:31 EDT 2025 UPTIME: 04:20:53 LOAD AVERAGE: 1.00, 1.01, 1.02 TASKS: 162 NODENAME: oleg319-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 26 last 5s 29 last 60s 41 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 157 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 ----- -------------- ------ ---------------------------- 19898 kworker/1:1 0 ms (no user stack) 26533 kworker/3:0 0 ms (no user stack) 7340 kworker/0:0 0 ms (no user stack) 11 rcuos/0 0 ms (no user stack) 1550 kworker/2:2 3 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 865228 3.3 GB 90% of TOTAL MEM USED 89851 351 MB 9% of TOTAL MEM SHARED 14248 55.7 MB 1% of TOTAL MEM BUFFERS 1443 5.6 MB 0% of TOTAL MEM CACHED 33816 132.1 MB 3% of TOTAL MEM SLAB 14375 56.2 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 79048 308.8 MB 10% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3430s ago PID=15143 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 7 LISTEN 3 NAGLE disabled (TCP_NODELAY): 6 user_data set (NFS etc.): 5 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 15650.7 eth0 n/a 1.7 RSS_TOTAL=112868 pages, %mem= 2.0 +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668380 ffff88013767b800 sysfs sysfs /sys ffff880137668540 ffff880139944000 proc proc /proc ffff880137668700 ffff880137678000 devtmpfs devtmpfs /dev ffff8801376688c0 ffff88012aae8000 securityfs securityfs /sys/kernel/security ffff880137668a80 ffff88013767c000 tmpfs tmpfs /dev/shm ffff880137668c40 ffff8801372fe000 devpts devpts /dev/pts ffff880137668e00 ffff88013767c800 tmpfs tmpfs /run ffff880137668fc0 ffff88013767d000 tmpfs tmpfs /sys/fs/cgroup ffff880137669180 ffff88013767d800 cgroup cgroup /sys/fs/cgroup/systemd ffff880137669340 ffff88013767e000 pstore pstore /sys/fs/pstore ffff880137669500 ffff88012aa68000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff8801376696c0 ffff88012aa68800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff880137669880 ffff88012aa69000 cgroup cgroup /sys/fs/cgroup/perf_event ffff880137669a40 ffff88012aa69800 cgroup cgroup /sys/fs/cgroup/cpuset ffff880137669c00 ffff88012aa6a000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff880137669dc0 ffff88012aa6a800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aab0000 ffff88012aa6b000 cgroup cgroup /sys/fs/cgroup/devices ffff88012aab01c0 ffff88012aa6b800 cgroup cgroup /sys/fs/cgroup/pids ffff88012aab0380 ffff88012aa6c000 cgroup cgroup /sys/fs/cgroup/memory ffff88012aab0540 ffff88012aa6c800 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aab0700 ffff88012aa6d000 configfs configfs /sys/kernel/config ffff880138ccb180 ffff88012a9ed800 ext4 /dev/nbd0 / ffff88012aad6380 ffff88012aaec000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012aad68c0 ffff88012aaee000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff880138ccb340 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012aab1880 ffff880137325000 hugetlbfs hugetlbfs /dev/hugepages ffff88012aad6a80 ffff8801372ff800 mqueue mqueue /dev/mqueue ffff88012b240e00 ffff88012a68c800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012b240fc0 ffff88012a68e800 ramfs none /mnt ffff88012b241180 ffff88012a68f800 tmpfs none /var/lib/stateless/writable ffff88012b241340 ffff88012a68b800 squashfs /dev/vda /home/green/git/lustre-release ffff88012aab1c00 ffff88012a68f800 tmpfs none /var/cache/man ffff88012aab1dc0 ffff88012a68f800 tmpfs none /var/log ffff8800b5a88000 ffff88012a68f800 tmpfs none /var/lib/dbus ffff8800b5a881c0 ffff88012a68f800 tmpfs none /tmp ffff8800b5a88380 ffff88012a68f800 tmpfs none /var/lib/dhclient ffff880138ccb6c0 ffff88012a68f800 tmpfs none /var/tmp ffff8800b5a88540 ffff88012a68f800 tmpfs none /var/lib/NetworkManager ffff8800b5a88700 ffff88012a68f800 tmpfs none /var/lib/systemd/random-seed ffff8800b5a888c0 ffff88012a68f800 tmpfs none /var/spool ffff8800b5a88a80 ffff88012a68f800 tmpfs none /var/lib/nfs ffff88012aad6c40 ffff88012a68f800 tmpfs none /var/lib/gssproxy ffff88012b241500 ffff88012a68f800 tmpfs none /var/lib/logrotate ffff8800b5a88c40 ffff88012a68f800 tmpfs none /etc ffff8800b5a88e00 ffff88012a68f800 tmpfs none /var/lib/rsyslog ffff88012aad6e00 ffff88012a68f800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012aad6fc0 ffff8800b60c3000 nfs4 192.168.200.253:/exports/state/oleg319-client.virtnet /var/lib/stateless/state ffff880138ccb880 ffff8800b60c3000 nfs4 192.168.200.253:/exports/state/oleg319-client.virtnet /boot ffff88012aad76c0 ffff8800b60c3000 nfs4 192.168.200.253:/exports/state/oleg319-client.virtnet /etc/etc/kdump.conf ffff88012aad7880 ffff88012aaec000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b587ba40 ffff88012b869800 nfs4 192.168.200.253://exports/testreports/51304/testresults/sanity2-zfs-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff88012e3061c0 ffff88012b869000 tmpfs tmpfs /run/user/0 ffff88012c447340 ffff88012a68b800 squashfs /dev/vda /usr/sbin/mount.lustre ffff88012e307a40 ffff880099dfe000 lustre 192.168.203.119@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [13387.092958] LustreError: 17032:0:(osc_cache.c:945:osc_extent_wait()) Skipped 1 previous similar message [13397.097025] LustreError: 6065:0:(osc_cache.c:945:osc_extent_wait()) extent ffff8800a9e2b360@{[0 -> 255/255], [3|0|+|rpc|wihY|ffff88012b72b588], [1703936|1|+|-|ffff8800a9552000|256|ffff88009285e660]} lustre-OST0001-osc-ffff880099dfe000: wait ext to 0 timedout, recovery in progress? [13397.099038] LustreError: 6066:0:(osc_cache.c:945:osc_extent_wait()) ### extent: ffff88009290b360 ns: lustre-OST0000-osc-ffff880099dfe000 lock: ffff8800b5815600/0x92bdf8072bc41207 lrc: 3/0,0 mode: PW/PW res: [0x240000402:0xd533:0x0].0x0 rrc: 2 type: EXT [0->18446744073709551615] (req 0->4095) gid 0 flags: 0x800029400020000 nid: local remote: 0x37b95d757a6e41f7 expref: -99 pid: 1979 timeout: 0 lvb_type: 1 [13397.099040] LustreError: 6066:0:(osc_cache.c:945:osc_extent_wait()) Skipped 1 previous similar message [13397.118112] LustreError: 6065:0:(osc_cache.c:945:osc_extent_wait()) Skipped 1 previous similar message [13407.120024] LustreError: 6076:0:(osc_cache.c:945:osc_extent_wait()) extent ffff8801350e6798@{[0 -> 255/255], [3|0|+|rpc|wiuY|ffff88009bcae350], [1703936|1|+|-|ffff8800924e8800|256|ffff8800b3912220]} lustre-OST0001-osc-ffff880099dfe000: wait ext to 0 timedout, recovery in progress? [13407.120047] LustreError: 6077:0:(osc_cache.c:945:osc_extent_wait()) ### extent: ffff88012dd39288 ns: lustre-OST0000-osc-ffff880099dfe000 lock: ffff88008cd7a600/0x92bdf8072bc3b444 lrc: 3/0,0 mode: PW/PW res: [0x240000402:0xd4c1:0x0].0x0 rrc: 2 type: EXT [0->18446744073709551615] (req 0->12287) gid 0 flags: 0x800029400020000 nid: local remote: 0x37b95d757a6cf252 expref: -99 pid: 1979 timeout: 0 lvb_type: 1 [13407.120049] LustreError: 6077:0:(osc_cache.c:945:osc_extent_wait()) Skipped 1 previous similar message [13407.138207] LustreError: 6076:0:(osc_cache.c:945:osc_extent_wait()) Skipped 1 previous similar message [13441.329973] INFO: task kworker/u8:0:15143 blocked for more than 120 seconds. [13441.331916] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [13441.333612] kworker/u8:0 D ffff8800b3912818 11888 15143 2 0x00000000 [13441.335676] Workqueue: writeback bdi_writeback_workfn (flush-lustre-ffff880099) [13441.337721] Call Trace: [13441.338447] [] schedule+0x29/0x70 [13441.339836] [] schedule_timeout+0x209/0x290 [13441.341249] [] ? __schedule+0x32a/0x7d0 [13441.342922] [] wait_for_completion+0xfc/0x140 [13441.344250] [] ? wake_up_state+0x20/0x20 [13441.345597] [] osc_io_fsync_end+0x5c/0x90 [osc] [13441.347243] [] cl_io_end+0x5c/0x150 [obdclass] [13441.348704] [] lov_io_end_wrapper+0xeb/0xf0 [lov] [13441.350203] [] lov_io_fsync_end+0x80/0x1b0 [lov] [13441.351691] [] cl_io_end+0x5c/0x150 [obdclass] [13441.353074] [] cl_io_loop+0xad/0x230 [obdclass] [13441.354709] [] cl_sync_file_range+0x30c/0x3b0 [lustre] [13441.356328] [] ll_writepages+0xf1/0x230 [lustre] [13441.357748] [] do_writepages+0x21/0x50 [13441.358919] [] __writeback_single_inode+0x40/0x2a0 [13441.360442] [] writeback_sb_inodes+0x2a6/0x480 [13441.361741] [] __writeback_inodes_wb+0x9f/0xd0 [13441.363171] [] wb_writeback+0x28b/0x340 [13441.364347] [] bdi_writeback_workfn+0x20c/0x4e0 [13441.365778] [] process_one_work+0x18d/0x4a0 [13441.367123] [] worker_thread+0x126/0x3b0 [13441.368980] [] ? manage_workers.isra.23+0x2a0/0x2a0 [13441.371727] [] kthread+0xe4/0xf0 [13441.373543] [] ? kthread_create_on_node+0x140/0x140 [13441.375630] [] ret_from_fork_nospec_begin+0x7/0x21 [13441.377800] [] ? 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 11.82s (real) 6.14s (CPU), Child processes: 5.63s