************************ crashinfo ************************* /exports/testreports/42551/testresults/recovery-small-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg221-server-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.e1bzv/vmlinux [TAINTED] DUMPFILE: /exports/testreports/42551/testresults/recovery-small-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg221-server-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Wed May 8 19:09:32 EDT 2024 UPTIME: 01:08:41 LOAD AVERAGE: 0.00, 0.01, 0.05 TASKS: 248 NODENAME: oleg221-server.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 18 last 5s 57 last 60s 75 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 244 TASK_RUNNING 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 ----- -------------- ------ ---------------------------- 20 rcuos/1 0 ms (no user stack) 3680 lnet_discovery 0 ms (no user stack) 3679 monitor_thread 0 ms (no user stack) 3674 socknal_reaper 0 ms (no user stack) 1 systemd 5 ms /usr/lib/systemd/systemd --switched-root --system --deserialize 22 +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955067 3.6 GB ---- FREE 742744 2.8 GB 77% of TOTAL MEM USED 212323 829.4 MB 22% of TOTAL MEM SHARED 11024 43.1 MB 1% of TOTAL MEM BUFFERS 8458 33 MB 0% of TOTAL MEM CACHED 66736 260.7 MB 6% of TOTAL MEM SLAB 15324 59.9 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 739676 2.8 GB ---- COMMITTED 58967 230.3 MB 7% of TOTAL LIMIT +-------------------------------+ >----------------------| 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 9 LISTEN 3 NAGLE disabled (TCP_NODELAY): 7 user_data set (NFS etc.): 8 UDP Connection Info ------------------- 2 UDP sockets, 0 in ESTABLISHED Unix Connection Info ------------------------ ESTABLISHED 26 CLOSE 17 LISTEN 8 Raw sockets info -------------------- CLOSE 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 4118.7 eth0 n/a 1.3 RSS_TOTAL=52280 pages, %mem= 0.8 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012a362000 ffff8800b7e52000 sysfs sysfs /sys ffff88012a3621c0 ffff880139944000 proc proc /proc ffff88012a362380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012a362540 ffff8800b521f800 securityfs securityfs /sys/kernel/security ffff88012a362700 ffff8800b7e52800 tmpfs tmpfs /dev/shm ffff88012a3628c0 ffff88013700a000 devpts devpts /dev/pts ffff88012a362a80 ffff8800b7e53000 tmpfs tmpfs /run ffff88012a362c40 ffff8800b7e53800 tmpfs tmpfs /sys/fs/cgroup ffff88012a362e00 ffff8800b7e54000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012a362fc0 ffff8800b7e54800 pstore pstore /sys/fs/pstore ffff88012a363180 ffff8800b7e56800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012a363340 ffff8800b7e56000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012a363500 ffff8800b7e55800 cgroup cgroup /sys/fs/cgroup/pids ffff88012a3636c0 ffff8800b7e55000 cgroup cgroup /sys/fs/cgroup/memory ffff88012a363880 ffff8800b7e57000 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012a363a40 ffff8800b7e57800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012a363c00 ffff88012a388000 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012a363dc0 ffff88012a388800 cgroup cgroup /sys/fs/cgroup/devices ffff88012a36a000 ffff88012a389000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012a36a1c0 ffff88012a389800 cgroup cgroup /sys/fs/cgroup/perf_event ffff8800b5268000 ffff8800b532b800 configfs configfs /sys/kernel/config ffff880138ccb880 ffff88012aa3e800 ext4 /dev/nbd0 / ffff880138ccba40 ffff880137186000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012a36a540 ffff8800b532a800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff880138ccbc00 ffff8800b3d6f800 hugetlbfs hugetlbfs /dev/hugepages ffff88012a36a700 ffff880137180800 mqueue mqueue /dev/mqueue ffff880137669dc0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8800b52681c0 ffff8800b3c4e000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff8800b5268380 ffff8800b3c48800 ramfs none /mnt ffff8800b5268540 ffff8800b3c4c000 tmpfs none /var/lib/stateless/writable ffff880138ccbdc0 ffff88012e185800 squashfs /dev/vda /home/green/git/lustre-release ffff880137669c00 ffff8800b3c4c000 tmpfs none /var/cache/man ffff8800b4bb2000 ffff8800b3c4c000 tmpfs none /var/log ffff880137668a80 ffff8800b3c4c000 tmpfs none /var/lib/dbus ffff8800b4bb21c0 ffff8800b3c4c000 tmpfs none /tmp ffff880129d56000 ffff8800b3c4c000 tmpfs none /var/lib/dhclient ffff8800b5268700 ffff8800b3c4c000 tmpfs none /var/tmp ffff88012a36aa80 ffff8800b3c4c000 tmpfs none /var/lib/NetworkManager ffff880129d561c0 ffff8800b3c4c000 tmpfs none /var/lib/systemd/random-seed ffff88012a36ac40 ffff8800b3c4c000 tmpfs none /var/spool ffff88012a36ae00 ffff8800b3c4c000 tmpfs none /var/lib/nfs ffff8800b52688c0 ffff8800b3c4c000 tmpfs none /var/lib/gssproxy ffff88012a36afc0 ffff8800b3c4c000 tmpfs none /var/lib/logrotate ffff88012a36b180 ffff8800b3c4c000 tmpfs none /etc ffff88012a36b340 ffff8800b3c4c000 tmpfs none /var/lib/rsyslog ffff8800b5268a80 ffff8800b3c4c000 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff880129d56380 ffff880129df0800 nfs4 192.168.200.253:/exports/state/oleg221-server.virtnet /var/lib/stateless/state ffff880129d56540 ffff880129df0800 nfs4 192.168.200.253:/exports/state/oleg221-server.virtnet /boot ffff88012a36b880 ffff880129df0800 nfs4 192.168.200.253:/exports/state/oleg221-server.virtnet /etc/etc/kdump.conf ffff88012a36ba40 ffff880137186000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800ac00d880 ffff88012e185800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b4bb28c0 ffff88012e181800 lustre /dev/mapper/mds1_flakey /mnt/lustre-mds1 ffff8800b4bb3500 ffff88009eb92800 lustre /dev/mapper/mds2_flakey /mnt/lustre-mds2 ffff8800b4bb3180 ffff88012d32b800 lustre /dev/mapper/ost1_flakey /mnt/lustre-ost1 ffff8800b4bb2e00 ffff880087fb8800 lustre /dev/mapper/ost2_flakey /mnt/lustre-ost2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 419.401670] [<0>] ptlrpc_main+0xc76/0x1690 [ptlrpc] [ 419.401678] [<0>] kthread+0xe4/0xf0 [ 419.401682] [<0>] ret_from_fork_nospec_begin+0x7/0x21 [ 419.401699] [<0>] 0xfffffffffffffffe [ 419.434682] Pid: 10785, comm: ll_ost00_003 3.10.0-7.9-debug #1 SMP Sat Mar 26 23:28:42 EDT 2022 [ 419.436596] Call Trace: [ 419.437283] [<0>] ptlrpc_set_wait+0x7cf/0x850 [ptlrpc] [ 419.439164] [<0>] ldlm_run_ast_work+0xe3/0x400 [ptlrpc] [ 419.440435] [<0>] ldlm_handle_conflict_lock+0x70/0x300 [ptlrpc] [ 419.441709] [<0>] ldlm_lock_enqueue+0x5c2/0xbb0 [ptlrpc] [ 419.443282] [<0>] ldlm_cli_enqueue_local+0x377/0x880 [ptlrpc] [ 419.445429] [<0>] ofd_destroy_by_fid+0x1d1/0x520 [ofd] [ 419.447119] [<0>] ofd_destroy_hdl+0x20c/0xae0 [ofd] [ 419.448373] [<0>] tgt_request_handle+0x74e/0x1a50 [ptlrpc] [ 419.450198] [<0>] ptlrpc_server_handle_request+0x26c/0xcb0 [ptlrpc] [ 419.451634] [<0>] ptlrpc_main+0xc76/0x1690 [ptlrpc] [ 419.453016] [<0>] kthread+0xe4/0xf0 [ 419.454188] [<0>] ret_from_fork_nospec_begin+0x7/0x21 [ 419.455339] [<0>] 0xfffffffffffffffe [ 425.240263] Lustre: 7119:0:(client.c:2343:ptlrpc_expire_one_request()) @@@ Request sent has timed out for slow reply: [sent 1715206059/real 1715206059] req@ffff880130a40700 x1798523512247872/t0(0) o104->lustre-MDT0000@192.168.202.21@tcp:15/16 lens 328/224 e 0 to 1 dl 1715206075 ref 1 fl Rpc:XQr/2/ffffffff rc 0/-1 job:'' uid:4294967295 gid:4294967295 [ 425.248588] Lustre: 7119:0:(client.c:2343:ptlrpc_expire_one_request()) Skipped 1 previous similar message [ 441.253275] Lustre: 7119:0:(client.c:2343:ptlrpc_expire_one_request()) @@@ Request sent has timed out for slow reply: [sent 1715206075/real 1715206075] req@ffff880130a40700 x1798523512247872/t0(0) o104->lustre-MDT0000@192.168.202.21@tcp:15/16 lens 328/224 e 0 to 1 dl 1715206091 ref 1 fl Rpc:XQr/2/ffffffff rc 0/-1 job:'' uid:4294967295 gid:4294967295 [ 441.262652] Lustre: 7119:0:(client.c:2343:ptlrpc_expire_one_request()) Skipped 3 previous similar messages [ 457.265263] Lustre: 7119:0:(client.c:2343:ptlrpc_expire_one_request()) @@@ Request sent has timed out for slow reply: [sent 1715206091/real 1715206091] req@ffff880130a40700 x1798523512247872/t0(0) o104->lustre-MDT0000@192.168.202.21@tcp:15/16 lens 328/224 e 0 to 1 dl 1715206107 ref 1 fl Rpc:XQr/2/ffffffff rc 0/-1 job:'' uid:4294967295 gid:4294967295 [ 457.274607] Lustre: 7119:0:(client.c:2343:ptlrpc_expire_one_request()) Skipped 3 previous similar messages [ 489.277262] Lustre: 7119:0:(client.c:2343:ptlrpc_expire_one_request()) @@@ Request sent has timed out for slow reply: [sent 1715206123/real 1715206123] req@ffff880130a40700 x1798523512247872/t0(0) o104->lustre-MDT0000@192.168.202.21@tcp:15/16 lens 328/224 e 0 to 1 dl 1715206139 ref 1 fl Rpc:XQr/2/ffffffff rc 0/-1 job:'' uid:4294967295 gid:4294967295 [ 489.284817] Lustre: 7119:0:(client.c:2343:ptlrpc_expire_one_request()) Skipped 7 previous similar messages [ 489.287357] LustreError: 7119:0:(ldlm_lockd.c:780:ldlm_handle_ast_error()) ### client (nid 192.168.202.21@tcp) failed to reply to blocking AST (req@ffff880130a40700 x1798523512247872 status 0 rc -110), evict it ns: mdt-lustre-MDT0000_UUID lock: ffff8800b1e31f80/0x565064ff72315a1f lrc: 4/0,0 mode: PR/PR res: [0x200000007:0x1:0x0].0x0 bits 0x13/0x0 rrc: 3 type: IBT gid 0 flags: 0x60200400000020 nid: 192.168.202.21@tcp remote: 0xc16b8929cd936b37 expref: 9 pid: 7119 timeout: 572 lvb_type: 0 [ 489.297612] LustreError: 138-a: lustre-MDT0000: A client on nid 192.168.202.21@tcp was evicted due to a lock blocking callback time out: rc -110 [ 489.300582] LustreError: 7111:0:(ldlm_lockd.c:261:expired_lock_main()) ### lock callback timer expired after 16s: evicting client at 192.168.202.21@tcp ns: mdt-lustre-MDT0000_UUID lock: ffff8800b1e31f80/0x565064ff72315a1f lrc: 3/0,0 mode: PR/PR res: [0x200000007:0x1:0x0].0x0 bits 0x13/0x0 rrc: 3 type: IBT gid 0 flags: 0x60200400000020 nid: 192.168.202.21@tcp remote: 0xc16b8929cd936b37 expref: 10 pid: 7119 timeout: 0 lvb_type: 0 [ 491.323342] LustreError: 9385:0:(ldlm_lockd.c:780:ldlm_handle_ast_error()) ### client (nid 192.168.202.21@tcp) failed to reply to blocking AST (req@ffff88009debc380 x1798523512249024 status 0 rc -110), evict it ns: filter-lustre-OST0001_UUID lock: ffff880085546640/0x565064ff7231593f lrc: 4/0,0 mode: PW/PW res: [0x2c0000401:0x4:0x0].0x0 rrc: 3 type: EXT [0->18446744073709551615] (req 0->4095) gid 0 flags: 0x60000400030020 nid: 192.168.202.21@tcp remote: 0xc16b8929cd936af8 expref: 6 pid: 10785 timeout: 574 lvb_type: 0 [ 491.335734] LustreError: 138-a: lustre-OST0001: A client on nid 192.168.202.21@tcp was evicted due to a lock blocking callback time out: rc -110 [ 491.337453] LustreError: 7111:0:(ldlm_lockd.c:261:expired_lock_main()) ### lock callback timer expired after 16s: evicting client at 192.168.202.21@tcp ns: filter-lustre-OST0000_UUID lock: ffff88009df1c6c0/0x565064ff72315993 lrc: 3/0,0 mode: PW/PW res: [0x280000401:0x5:0x0].0x0 rrc: 3 type: EXT [0->18446744073709551615] (req 0->4194303) gid 0 flags: 0x60000400030020 nid: 192.168.202.21@tcp remote: 0xc16b8929cd936b1b expref: 8 pid: 10785 timeout: 0 lvb_type: 0 [ 491.352809] LustreError: Skipped 2 previous similar messages [ 492.450491] Lustre: DEBUG MARKER: == recovery-small test 10b: re-send BL AST =============== 18:09:03 (1715206143) [ 511.583620] Lustre: DEBUG MARKER: == recovery-small test 10c: re-send BL AST vs reconnect race (LU-5569) ========================================================== 18:09:22 (1715206162) [ 512.667806] Lustre: lustre-MDT0001: Client 9ecc71d4-3535-4574-9b46-60770bc606b4 (at 192.168.202.21@tcp) reconnecting [ 512.670615] Lustre: Skipped 2 previous similar messages [ 515.725284] Lustre: DEBUG MARKER: == recovery-small test 10d: test failed blocking ast ===== 18:09:26 (1715206166) [ 527.945719] Lustre: lustre-OST0000: haven't heard from client 9ecc71d4-3535-4574-9b46-60770bc606b4 (at 192.168.202.21@tcp) in 33 seconds. I think it's dead, and I am evicting it. exp ffff88009f4f4000, cur 1715206178 expire 1715206148 last 1715206145 ****************************************************************************** ************************ 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 ------------------------------------------------------------------------------ ** Execution took 11.99s (real) 6.35s (CPU), Child processes: 5.61s