************************ crashinfo ************************* /exports/testreports/51282/testresults/replay-single-zfs-centos7_x86_64-centos7_x86_64/oleg438-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.BFcH7/vmlinux [TAINTED] DUMPFILE: /exports/testreports/51282/testresults/replay-single-zfs-centos7_x86_64-centos7_x86_64/oleg438-client-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Thu May 1 20:06:38 EDT 2025 UPTIME: 02:30:48 LOAD AVERAGE: 1.00, 0.99, 0.95 TASKS: 161 NODENAME: oleg438-client.virtnet RELEASE: 3.10.0-7.9-debug VERSION: #1 SMP Sat Mar 26 23:28:42 EDT 2022 MACHINE: x86_64 (2400 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 30 last 60s 36 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 156 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 ----- -------------- ------ ---------------------------- 28 watchdog/3 0 ms (no user stack) 908 in:imjournal 0 ms /usr/sbin/rsyslogd -n 1 systemd 0 ms /usr/lib/systemd/systemd --switched-root --system --deserialize 22 34 rcuos/3 0 ms (no user stack) 14 watchdog/1 7 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 834473 3.2 GB 87% of TOTAL MEM USED 120606 471.1 MB 12% of TOTAL MEM SHARED 10445 40.8 MB 1% of TOTAL MEM BUFFERS 5265 20.6 MB 0% of TOTAL MEM CACHED 55557 217 MB 5% of TOTAL MEM SLAB 13712 53.6 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 67330 263 MB 9% of TOTAL LIMIT +++WARNING+++ Panic while we were doing sync on FS +++three oldest UNINTERRUPTIBLE threads ... ran 3572s ago PID=19305 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): 7 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 -------------------- ESTABLISHED 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 9046.0 eth0 n/a 2.1 RSS_TOTAL=96320 pages, %mem= 1.5 +++WARNING+++ Run 'hanginfo' to get more details +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012aae4000 ffff8800b7880800 sysfs sysfs /sys ffff88012aae41c0 ffff880139944000 proc proc /proc ffff88012aae4380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012aae4540 ffff8800b6cc9800 securityfs securityfs /sys/kernel/security ffff88012aae4700 ffff8800b7881000 tmpfs tmpfs /dev/shm ffff88012aae48c0 ffff88013771f000 devpts devpts /dev/pts ffff88012aae4a80 ffff8800b7881800 tmpfs tmpfs /run ffff88012aae4c40 ffff8800b7882000 tmpfs tmpfs /sys/fs/cgroup ffff88012aae4e00 ffff8800b7882800 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aae4fc0 ffff8800b7883000 pstore pstore /sys/fs/pstore ffff88012aae5180 ffff8800b7885000 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aae5340 ffff8800b7884800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aae5500 ffff8800b7884000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aae56c0 ffff8800b7883800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aae5880 ffff8800b7885800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aae5a40 ffff8800b7886000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aae5c00 ffff8800b7886800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aae5dc0 ffff8800b7887000 cgroup cgroup /sys/fs/cgroup/pids ffff88012ab1c000 ffff8800b7887800 cgroup cgroup /sys/fs/cgroup/memory ffff88012ab1c1c0 ffff88012ab20000 cgroup cgroup /sys/fs/cgroup/devices ffff88012ab1c540 ffff88012ab23000 configfs configfs /sys/kernel/config ffff8801376688c0 ffff8800b6cce000 ext4 /dev/nbd0 / ffff8800b6294540 ffff88012ab23800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012ab1c8c0 ffff88012ab22000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff880137668a80 ffff88012b280800 mqueue mqueue /dev/mqueue ffff880137014a80 ffff8800b6e85800 hugetlbfs hugetlbfs /dev/hugepages ffff880137668c40 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012ab1ca80 ffff88012ab25000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff880137668fc0 ffff8800b5c8b000 ramfs none /mnt ffff88012ab1cc40 ffff88012a532800 tmpfs none /var/lib/stateless/writable ffff88012ab1ce00 ffff8800b61a5000 squashfs /dev/vda /home/green/git/lustre-release ffff880137669180 ffff88012a532800 tmpfs none /var/cache/man ffff880137669340 ffff88012a532800 tmpfs none /var/log ffff880137669500 ffff88012a532800 tmpfs none /var/lib/dbus ffff8800b62948c0 ffff88012a532800 tmpfs none /tmp ffff8801376696c0 ffff88012a532800 tmpfs none /var/lib/dhclient ffff88012ab1cfc0 ffff88012a532800 tmpfs none /var/tmp ffff880137669880 ffff88012a532800 tmpfs none /var/lib/NetworkManager ffff88012ab1d180 ffff88012a532800 tmpfs none /var/lib/systemd/random-seed ffff880137669a40 ffff88012a532800 tmpfs none /var/spool ffff880137669c00 ffff88012a532800 tmpfs none /var/lib/nfs ffff8800b6294a80 ffff88012a532800 tmpfs none /var/lib/gssproxy ffff88012ab1d340 ffff88012a532800 tmpfs none /var/lib/logrotate ffff880137669dc0 ffff88012a532800 tmpfs none /etc ffff8800b5f62000 ffff88012a532800 tmpfs none /var/lib/rsyslog ffff8800b5f621c0 ffff88012a532800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b5f62380 ffff88012a613800 nfs4 192.168.200.253:/exports/state/oleg438-client.virtnet /var/lib/stateless/state ffff88012ab1d6c0 ffff88012a613800 nfs4 192.168.200.253:/exports/state/oleg438-client.virtnet /boot ffff88012ab1d500 ffff88012a613800 nfs4 192.168.200.253:/exports/state/oleg438-client.virtnet /etc/etc/kdump.conf ffff88012ab1d880 ffff88012ab23800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b3eeac40 ffff88012b4c4800 nfs4 192.168.200.253://exports/testreports/51282/testresults/replay-single-zfs-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff8800b5f628c0 ffff8800b603b000 tmpfs tmpfs /run/user/0 ffff8801370156c0 ffff8800b61a5000 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b5f63500 ffff88012a531800 lustre 192.168.204.138@tcp:/lustre /mnt/lustre +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 6601.257689] sync D ffff8800a71e4440 13488 19305 19303 0x00000000 [ 6601.277842] Call Trace: [ 6601.284245] [] ? generic_write_sync+0x60/0x60 [ 6601.286475] [] schedule+0x29/0x70 [ 6601.288404] [] schedule_timeout+0x209/0x290 [ 6601.290627] [] ? __schedule+0x32a/0x7d0 [ 6601.292653] [] ? generic_write_sync+0x60/0x60 [ 6601.299785] [] wait_for_completion+0xfc/0x140 [ 6601.302826] [] ? wake_up_state+0x20/0x20 [ 6601.308636] [] sync_inodes_sb+0xdb/0x430 [ 6601.317430] [] ? __queue_delayed_work+0xaa/0x1a0 [ 6601.319260] [] ? try_to_grab_pending+0xb1/0x180 [ 6601.328471] [] ? generic_write_sync+0x60/0x60 [ 6601.331078] [] sync_inodes_one_sb+0x19/0x20 [ 6601.335913] [] iterate_supers+0xb2/0x110 [ 6601.339853] [] sys_sync+0x44/0xb0 [ 6601.343362] [] system_call_fastpath+0x1f/0x24 [ 6669.151125] LustreError: 22337:0:(osc_cache.c:941:osc_extent_wait()) extent ffff8800a8c7b270@{[0 -> 255/255], [3|0|+|rpc|wihY|ffff8800a91cda80], [1703936|1|+|-|ffff8800a81f2e00|256|ffff8800b6f7e660]} lustre-OST0000-osc-ffff88012a531800: wait ext to 0 timedout, recovery in progress? [ 6669.167096] LustreError: 22337:0:(osc_cache.c:941:osc_extent_wait()) ### extent: ffff8800a8c7b270 ns: lustre-OST0000-osc-ffff88012a531800 lock: ffff8800a81f2e00/0x999745549448eb03 lrc: 3/0,0 mode: PW/PW res: [0x240000400:0x2855:0x0].0x0 rrc: 2 type: EXT [0->18446744073709551615] (req 0->18446744073709551615) gid 0 flags: 0x800029480000000 nid: local remote: 0xcacd1b8333894d9d expref: -99 pid: 19008 timeout: 0 lvb_type: 1 [ 6679.181047] LustreError: 28970:0:(osc_cache.c:941:osc_extent_wait()) extent ffff8800a8c7b820@{[0 -> 255/255], [4|0|+|rpc|wiuY|ffff8800a8cee000], [1703936|1|+|+|ffff8801370b7600|256|ffff8800b5cf8000]} lustre-OST0000-osc-ffff88012a531800: wait ext to 0 timedout, recovery in progress? [ 6679.196144] LustreError: 28970:0:(osc_cache.c:941:osc_extent_wait()) ### extent: ffff8800a8c7b820 ns: lustre-OST0000-osc-ffff88012a531800 lock: ffff8801370b7600/0x999745549448ead2 lrc: 3/0,0 mode: PW/PW res: [0x240000400:0x284f:0x0].0x0 rrc: 2 type: EXT [0->18446744073709551615] (req 0->18446744073709551615) gid 0 flags: 0x800029480000000 nid: local remote: 0xcacd1b8333894cfc expref: -99 pid: 19002 timeout: 0 lvb_type: 1 [ 6721.347950] INFO: task sync:19305 blocked for more than 120 seconds. [ 6721.351213] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 6721.353851] sync D ffff8800a71e4440 13488 19305 19303 0x00000000 [ 6721.356044] Call Trace: [ 6721.356680] [] ? generic_write_sync+0x60/0x60 [ 6721.358648] [] schedule+0x29/0x70 [ 6721.360164] [] schedule_timeout+0x209/0x290 [ 6721.362188] [] ? __schedule+0x32a/0x7d0 [ 6721.364395] [] ? generic_write_sync+0x60/0x60 [ 6721.366277] [] wait_for_completion+0xfc/0x140 [ 6721.368206] [] ? wake_up_state+0x20/0x20 [ 6721.370055] [] sync_inodes_sb+0xdb/0x430 [ 6721.372168] [] ? __queue_delayed_work+0xaa/0x1a0 [ 6721.374484] [] ? try_to_grab_pending+0xb1/0x180 [ 6721.376138] [] ? generic_write_sync+0x60/0x60 [ 6721.377971] [] sync_inodes_one_sb+0x19/0x20 [ 6721.379657] [] iterate_supers+0xb2/0x110 [ 6721.381497] [] sys_sync+0x44/0xb0 [ 6721.383220] [] 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 10.51s (real) 5.46s (CPU), Child processes: 4.98s