************************ crashinfo ************************* /exports/testreports/42958/testresults/replay-single-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg416-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.AESUd/vmlinux [TAINTED] DUMPFILE: /exports/testreports/42958/testresults/replay-single-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg416-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Wed May 29 19:36:31 EDT 2024 UPTIME: 03:37:47 LOAD AVERAGE: 1.00, 0.99, 0.95 TASKS: 159 NODENAME: oleg416-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 11 last 5s 26 last 60s 33 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 154 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 ----- -------------- ------ ---------------------------- 1993 lnet_discovery 0 ms (no user stack) 20 rcuos/1 0 ms (no user stack) 9 rcu_sched 0 ms (no user stack) 976 kworker/2:1 2 ms (no user stack) 1 systemd 2 ms /usr/lib/systemd/systemd --switched-root --system --deserialize 22 +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 843362 3.2 GB 88% of TOTAL MEM USED 111717 436.4 MB 11% of TOTAL MEM SHARED 10541 41.2 MB 1% of TOTAL MEM BUFFERS 5221 20.4 MB 0% of TOTAL MEM CACHED 56306 219.9 MB 5% of TOTAL MEM SLAB 12965 50.6 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 68081 265.9 MB 9% of TOTAL LIMIT +++WARNING+++ Panic while we were doing sync on FS +++three oldest UNINTERRUPTIBLE threads ... ran 3570s ago PID=10889 CPU=2 CMD=sync #0 __schedule+0x2e2 #1 schedule+0x29 #2 schedule_timeout+0x209 #3 wait_for_completion+0xfc #4 sync_inodes_sb+0xdb #5 sync_inodes_one_sb+0x19 #6 iterate_supers+0xb2 #7 sys_sync+0x44 #8 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 8 LISTEN 3 NAGLE disabled (TCP_NODELAY): 8 user_data set (NFS etc.): 4 UDP Connection Info ------------------- 2 UDP sockets, 0 in ESTABLISHED Unix Connection Info ------------------------ ESTABLISHED 30 CLOSE 19 LISTEN 8 Raw sockets info -------------------- CLOSE 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 13065.5 eth0 n/a 1.9 RSS_TOTAL=97444 pages, %mem= 1.5 +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff880137668380 ffff8800b7c0c000 sysfs sysfs /sys ffff880137668540 ffff880139944000 proc proc /proc ffff880137668700 ffff880137678000 devtmpfs devtmpfs /dev ffff8801376688c0 ffff8800b6d06000 securityfs securityfs /sys/kernel/security ffff880137668a80 ffff8800b7c0c800 tmpfs tmpfs /dev/shm ffff880137668c40 ffff880137151800 devpts devpts /dev/pts ffff880137668e00 ffff8800b7c0d000 tmpfs tmpfs /run ffff880137668fc0 ffff8800b7c0d800 tmpfs tmpfs /sys/fs/cgroup ffff880137669180 ffff8800b7c0e000 cgroup cgroup /sys/fs/cgroup/systemd ffff880137669340 ffff8800b7c0e800 pstore pstore /sys/fs/pstore ffff880137669500 ffff88012aa60800 cgroup cgroup /sys/fs/cgroup/cpuset ffff8801376696c0 ffff88012aa60000 cgroup cgroup /sys/fs/cgroup/freezer ffff880137669880 ffff88012aa61000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff880137669a40 ffff88012aa61800 cgroup cgroup /sys/fs/cgroup/blkio ffff880137669c00 ffff88012aa62000 cgroup cgroup /sys/fs/cgroup/pids ffff880137669dc0 ffff88012aa62800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aa24000 ffff88012aa63000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aa241c0 ffff88012aa63800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aa24380 ffff88012aa64000 cgroup cgroup /sys/fs/cgroup/devices ffff88012aa24540 ffff88012aa64800 cgroup cgroup /sys/fs/cgroup/memory ffff88012a9f41c0 ffff8800b6f3e800 configfs configfs /sys/kernel/config ffff880138ccbc00 ffff8800b64bf800 ext4 /dev/nbd0 / ffff8800b67cefc0 ffff88012aa65800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012a9f4700 ffff8800b6d5a000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012aa248c0 ffff880137153000 mqueue mqueue /dev/mqueue ffff88012aa24a80 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8800b67cf6c0 ffff88012a56e000 hugetlbfs hugetlbfs /dev/hugepages ffff8800b67cf880 ffff8800b5d91000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff8800b67cfc00 ffff8800b5d95800 ramfs none /mnt ffff8800b67cfdc0 ffff8800b6c06800 tmpfs none /var/lib/stateless/writable ffff88012aa24c40 ffff8800b5d74000 squashfs /dev/vda /home/green/git/lustre-release ffff8800b67cf340 ffff8800b6c06800 tmpfs none /var/cache/man ffff88012aa24e00 ffff8800b6c06800 tmpfs none /var/log ffff88012a9f48c0 ffff8800b6c06800 tmpfs none /var/lib/dbus ffff88012aa24fc0 ffff8800b6c06800 tmpfs none /tmp ffff88012a9f4a80 ffff8800b6c06800 tmpfs none /var/lib/dhclient ffff8800b67cf180 ffff8800b6c06800 tmpfs none /var/tmp ffff880138ccbdc0 ffff8800b6c06800 tmpfs none /var/lib/NetworkManager ffff88012a9f4c40 ffff8800b6c06800 tmpfs none /var/lib/systemd/random-seed ffff88012ab58000 ffff8800b6c06800 tmpfs none /var/spool ffff88012ab581c0 ffff8800b6c06800 tmpfs none /var/lib/nfs ffff88012ab58380 ffff8800b6c06800 tmpfs none /var/lib/gssproxy ffff88012ab58540 ffff8800b6c06800 tmpfs none /var/lib/logrotate ffff88012aa25180 ffff8800b6c06800 tmpfs none /etc ffff88012aa25340 ffff8800b6c06800 tmpfs none /var/lib/rsyslog ffff88012ab58700 ffff8800b6c06800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012a9f4e00 ffff8800b6c05800 nfs4 192.168.200.253:/exports/state/oleg416-client.virtnet /var/lib/stateless/state ffff88012ab588c0 ffff8800b6c05800 nfs4 192.168.200.253:/exports/state/oleg416-client.virtnet /boot ffff88012a9f5500 ffff8800b6c05800 nfs4 192.168.200.253:/exports/state/oleg416-client.virtnet /etc/etc/kdump.conf ffff88012ab58a80 ffff88012aa65800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff88012aa24700 ffff8800b5d71000 nfs4 192.168.200.253://exports/testreports/42958/testresults/replay-single-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b5d79a40 ffff8800b6d5d800 tmpfs tmpfs /run/user/0 ffff8800af7aa700 ffff8800b5d74000 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b6690fc0 ffff8800a8a1b800 lustre 192.168.204.116@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [10681.285664] sync D ffff88012b4aca38 13488 10889 10888 0x00000000 [10681.288732] Call Trace: [10681.289326] [] ? generic_write_sync+0x60/0x60 [10681.290775] [] schedule+0x29/0x70 [10681.292548] [] schedule_timeout+0x209/0x290 [10681.295643] [] ? _raw_spin_unlock+0xe/0x20 [10681.298338] [] ? __queue_work+0x151/0x420 [10681.301333] [] ? __queue_delayed_work+0xaa/0x1a0 [10681.306666] [] ? generic_write_sync+0x60/0x60 [10681.309000] [] wait_for_completion+0xfc/0x140 [10681.312435] [] ? wake_up_state+0x20/0x20 [10681.313903] [] sync_inodes_sb+0xdb/0x430 [10681.318078] [] ? _raw_spin_unlock_irq+0xe/0x30 [10681.320466] [] ? finish_task_switch+0x5d/0x1b0 [10681.322527] [] ? generic_write_sync+0x60/0x60 [10681.325782] [] sync_inodes_one_sb+0x19/0x20 [10681.330125] [] iterate_supers+0xb2/0x110 [10681.332344] [] sys_sync+0x44/0xb0 [10681.337463] [] system_call_fastpath+0x1f/0x24 [10801.340444] INFO: task sync:10889 blocked for more than 120 seconds. [10801.344954] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [10801.347647] sync D ffff88012b4aca38 13488 10889 10888 0x00000000 [10801.351365] Call Trace: [10801.352017] [] ? generic_write_sync+0x60/0x60 [10801.354747] [] schedule+0x29/0x70 [10801.358269] [] schedule_timeout+0x209/0x290 [10801.359786] [] ? _raw_spin_unlock+0xe/0x20 [10801.361079] [] ? __queue_work+0x151/0x420 [10801.363749] [] ? __queue_delayed_work+0xaa/0x1a0 [10801.366809] [] ? generic_write_sync+0x60/0x60 [10801.369368] [] wait_for_completion+0xfc/0x140 [10801.371945] [] ? wake_up_state+0x20/0x20 [10801.373491] [] sync_inodes_sb+0xdb/0x430 [10801.375425] [] ? _raw_spin_unlock_irq+0xe/0x30 [10801.378116] [] ? finish_task_switch+0x5d/0x1b0 [10801.380129] [] ? generic_write_sync+0x60/0x60 [10801.382260] [] sync_inodes_one_sb+0x19/0x20 [10801.385128] [] iterate_supers+0xb2/0x110 [10801.387554] [] sys_sync+0x44/0xb0 [10801.390066] [] 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 Panic while we were doing sync on FS Run 'hanginfo' to get more details ------------------------------------------------------------------------------ ** Execution took 10.45s (real) 5.36s (CPU), Child processes: 5.05s