************************ crashinfo ************************* /exports/testreports/50349/testresults/sanityn-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg258-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.XPbB3/vmlinux [TAINTED] DUMPFILE: /exports/testreports/50349/testresults/sanityn-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg258-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Fri Mar 28 20:13:07 EDT 2025 UPTIME: 01:07:48 LOAD AVERAGE: 1.00, 1.01, 0.95 TASKS: 159 NODENAME: oleg258-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 20 last 5s 28 last 60s 37 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 151 TASK_PARKED 3 TASK_RUNNING 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 ----- -------------- ------ ---------------------------- 15634 ldlm_bl_05 0 ms (no user stack) 1999 lnet_discovery 0 ms (no user stack) 20 rcuos/1 0 ms (no user stack) 9 rcu_sched 0 ms (no user stack) 46 kworker/0:1 0 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 871255 3.3 GB 91% of TOTAL MEM USED 83824 327.4 MB 8% of TOTAL MEM SHARED 5693 22.2 MB 0% of TOTAL MEM BUFFERS 369 1.4 MB 0% of TOTAL MEM CACHED 20225 79 MB 2% of TOTAL MEM SLAB 10558 41.2 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 63124 246.6 MB 8% of TOTAL LIMIT +++three oldest UNINTERRUPTIBLE threads ... ran 3583s ago PID=5639 CPU=0 CMD=mmap_sanity #0 __schedule+0x2e2 #1 schedule+0x29 #2 schedule_timeout+0x209 #3 io_schedule_timeout+0xad #4 io_schedule+0x18 #5 bit_wait_io+0x11 #6 __wait_on_bit+0x65 #7 wait_on_page_bit_killable+0x83 #8 __lock_page_or_retry+0xb2 #9 filemap_fault+0x3f1 #10 ll_filemap_fault+0x39 #11 vvp_io_fault_start+0x4de #12 cl_io_start+0x6d #13 cl_io_loop+0x9f #14 ll_fault+0x533 #15 __do_fault+0x84 #16 do_read_fault+0x50 #17 handle_pte_fault+0x2ef #18 __handle_mm_fault+0x31d #19 handle_mm_fault+0x7f #20 __do_page_fault+0x1a0 #21 trace_do_page_fault+0x56 #22 do_async_page_fault+0x22 #23 async_page_fault+0x28 #-1 iov_iter_fault_in_readable+0x34, 477 bytes of data #24 generic_file_buffered_write+0xdc #25 __generic_file_aio_write+0x1e2 #26 __generic_file_write_iter+0x714cb #27 vvp_io_write_start+0x5a8 #28 cl_io_start+0x6d #29 cl_io_loop+0x9f #30 ll_file_io_generic+0x370 #31 do_file_write_iter+0x53e #32 ll_file_write_iter+0x2d #33 ll_file_aio_write+0x1b1 #34 ll_file_write+0x111 #35 vfs_write+0xd6 #36 sys_write+0x7f #37 system_call_fastpath+0x1f, 477 bytes of data +-------------------------------+ >----------------------| 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 -------------------- CLOSE 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 4066.3 eth0 n/a 0.3 RSS_TOTAL=77300 pages, %mem= 1.3 +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012aade000 ffff88012aae0000 sysfs sysfs /sys ffff88012aade1c0 ffff880139944000 proc proc /proc ffff88012aade380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012aade540 ffff8800b6cbe000 securityfs securityfs /sys/kernel/security ffff88012aade700 ffff88012aae0800 tmpfs tmpfs /dev/shm ffff88012aade8c0 ffff880137161800 devpts devpts /dev/pts ffff88012aadea80 ffff88012aae1000 tmpfs tmpfs /run ffff88012aadec40 ffff88012aae1800 tmpfs tmpfs /sys/fs/cgroup ffff88012aadee00 ffff88012aae2000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aadefc0 ffff88012aae2800 pstore pstore /sys/fs/pstore ffff88012aadf180 ffff88012aae4800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aadf340 ffff88012aae4000 cgroup cgroup /sys/fs/cgroup/pids ffff88012aadf500 ffff88012aae3800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aadf6c0 ffff88012aae3000 cgroup cgroup /sys/fs/cgroup/memory ffff88012aadf880 ffff88012aae5000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aadfa40 ffff88012aae5800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aadfc00 ffff88012aae6000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aadfdc0 ffff88012aae6800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aa84000 ffff88012aae7000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aa841c0 ffff88012aae7800 cgroup cgroup /sys/fs/cgroup/devices ffff8800b6128000 ffff8801372f5800 configfs configfs /sys/kernel/config ffff8800b61b4fc0 ffff88012a63b800 ext4 /dev/nbd0 / ffff8800b61b5180 ffff88012abbd800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff8800b6128380 ffff8800b63fd800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8800b61b5340 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8800b6128540 ffff88012a628000 hugetlbfs hugetlbfs /dev/hugepages ffff88012aa84a80 ffff880137163000 mqueue mqueue /dev/mqueue ffff8800b6128700 ffff8800b5cc0000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff880137668380 ffff88012a63d000 ramfs none /mnt ffff8800b6128a80 ffff8800b604e000 tmpfs none /var/lib/stateless/writable ffff8800b61b5500 ffff88012abbe800 squashfs /dev/vda /home/green/git/lustre-release ffff88012aa84c40 ffff8800b604e000 tmpfs none /var/cache/man ffff8800b6128c40 ffff8800b604e000 tmpfs none /var/log ffff880137668540 ffff8800b604e000 tmpfs none /var/lib/dbus ffff880137668700 ffff8800b604e000 tmpfs none /tmp ffff88012aa84e00 ffff8800b604e000 tmpfs none /var/lib/dhclient ffff8801376688c0 ffff8800b604e000 tmpfs none /var/tmp ffff88012aa84fc0 ffff8800b604e000 tmpfs none /var/lib/NetworkManager ffff8800b6128e00 ffff8800b604e000 tmpfs none /var/lib/systemd/random-seed ffff88012aa85180 ffff8800b604e000 tmpfs none /var/spool ffff88012aa85340 ffff8800b604e000 tmpfs none /var/lib/nfs ffff880137668a80 ffff8800b604e000 tmpfs none /var/lib/gssproxy ffff880137668c40 ffff8800b604e000 tmpfs none /var/lib/logrotate ffff880137668e00 ffff8800b604e000 tmpfs none /etc ffff8800b6128fc0 ffff8800b604e000 tmpfs none /var/lib/rsyslog ffff88012aa85500 ffff8800b604e000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012aa856c0 ffff88012e169000 nfs4 192.168.200.253:/exports/state/oleg258-client.virtnet /var/lib/stateless/state ffff88012aa85a40 ffff88012e169000 nfs4 192.168.200.253:/exports/state/oleg258-client.virtnet /boot ffff8800b6129340 ffff88012e169000 nfs4 192.168.200.253:/exports/state/oleg258-client.virtnet /etc/etc/kdump.conf ffff8800b6129180 ffff88012abbd800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff88012d0fda40 ffff8800b5e13800 nfs4 192.168.200.253://exports/testreports/50349/testresults/sanityn-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff88012aa85c00 ffff8800b61d4800 tmpfs tmpfs /run/user/0 ffff88012d0fd340 ffff88012abbe800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b420ea80 ffff8800b5e11800 lustre 192.168.202.158@tcp:/lustre /mnt/lustre ffff88012aa84700 ffff8800b604c000 lustre 192.168.202.158@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 435.853327] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 435.867026] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 435.894929] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 435.907949] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 435.987627] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 436.003515] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 436.020157] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 436.033472] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 436.050647] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 436.097898] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 436.111320] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 436.228823] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 436.259172] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 436.306311] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 436.392169] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 436.406533] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 436.419166] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 436.432339] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 436.448864] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 436.464848] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 436.497733] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 436.561836] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 436.649388] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 436.697443] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 436.710750] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 436.741498] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 436.863733] rw_seq_cst_vs_d (1531): drop_caches: 3 [ 438.066151] Lustre: lustre-OST0000-osc-ffff8800b604c000: disconnect after 22s idle [ 438.069343] Lustre: Skipped 1 previous similar message [ 438.503403] Lustre: DEBUG MARKER: == sanityn test 16h: mmap read after truncate file ======= 19:12:36 (1743203556) [ 439.965484] Lustre: DEBUG MARKER: == sanityn test 16i: read after truncate file ============ 19:12:38 (1743203558) [ 441.430515] Lustre: DEBUG MARKER: == sanityn test 16j: race dio with buffered i/o ========== 19:12:39 (1743203559) [ 447.773250] Lustre: DEBUG MARKER: == sanityn test 16k: Parallel FSX and drop caches should not panic ========================================================== 19:12:46 (1743203566) [ 447.841695] bash (4274): drop_caches: 3 [ 450.875147] bash (4274): drop_caches: 3 [ 453.916017] bash (4274): drop_caches: 3 [ 457.323728] Lustre: DEBUG MARKER: == sanityn test 17: resource creation/LVB creation race ========================================================================= 19:12:55 (1743203575) [ 461.184033] Lustre: DEBUG MARKER: == sanityn test 18: mmap sanity check =========================================================================================== 19:12:59 (1743203579) [ 484.055427] mmap_sanity (5668) used greatest stack depth: 9992 bytes left [ 508.178183] Lustre: lustre-OST0001-osc-ffff8800b5e11800: disconnect after 24s idle ****************************************************************************** ************************ 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 10.62s (real) 5.54s (CPU), Child processes: 5.04s