************************ crashinfo ************************* /exports/testreports/51276/testresults/sanity-pcc-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg339-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.pNaKQ/vmlinux [TAINTED] DUMPFILE: /exports/testreports/51276/testresults/sanity-pcc-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg339-server-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Thu May 1 16:57:23 EDT 2025 UPTIME: 01:06:36 LOAD AVERAGE: 0.00, 0.01, 0.12 TASKS: 260 NODENAME: oleg339-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 35 last 5s 61 last 60s 80 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 256 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 ----- -------------- ------ ---------------------------- 20601 kworker/3:0 0 ms (no user stack) 21115 kworker/1:2 0 ms (no user stack) 3768 socknal_reaper 0 ms (no user stack) 15477 kworker/0:2 0 ms (no user stack) 3778 ptlrpcd_00_02 2 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955067 3.6 GB ---- FREE 689972 2.6 GB 72% of TOTAL MEM USED 265095 1 GB 27% of TOTAL MEM SHARED 10634 41.5 MB 1% of TOTAL MEM BUFFERS 8310 32.5 MB 0% of TOTAL MEM CACHED 116410 454.7 MB 12% of TOTAL MEM SLAB 16873 65.9 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 65255 254.9 MB 8% 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): 8 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 -------------------- ESTABLISHED 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 3994.1 eth0 n/a 1.9 RSS_TOTAL=52368 pages, %mem= 0.9 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88013701cfc0 ffff88012b263000 sysfs sysfs /sys ffff88013701d180 ffff880139944000 proc proc /proc ffff88013701d340 ffff880137678000 devtmpfs devtmpfs /dev ffff88013701d500 ffff8800b525e000 securityfs securityfs /sys/kernel/security ffff88013701d6c0 ffff88012b263800 tmpfs tmpfs /dev/shm ffff88013701d880 ffff88012b260000 devpts devpts /dev/pts ffff88013701da40 ffff88012b264000 tmpfs tmpfs /run ffff88013701dc00 ffff88012b264800 tmpfs tmpfs /sys/fs/cgroup ffff88013701ddc0 ffff88012b265000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012a242000 ffff88012b265800 pstore pstore /sys/fs/pstore ffff88012a2421c0 ffff88012b267800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012a242380 ffff88012b267000 cgroup cgroup /sys/fs/cgroup/memory ffff88012a242540 ffff88012b266800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012a242700 ffff88012b266000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012a2428c0 ffff88012a350000 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012a242a80 ffff88012a350800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012a242c40 ffff88012a351000 cgroup cgroup /sys/fs/cgroup/devices ffff88012a242e00 ffff88012a351800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012a242fc0 ffff88012a352000 cgroup cgroup /sys/fs/cgroup/pids ffff88012a243180 ffff88012a352800 cgroup cgroup /sys/fs/cgroup/blkio ffff880137668380 ffff88013767e800 configfs configfs /sys/kernel/config ffff880137668540 ffff88013767f000 ext4 /dev/nbd0 / ffff8800b45821c0 ffff88012a356800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012a243500 ffff8800b459b000 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff8800b4476000 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff8800b45828c0 ffff88012983d800 hugetlbfs hugetlbfs /dev/hugepages ffff8800b4582a80 ffff88012b261800 mqueue mqueue /dev/mqueue ffff880137668700 ffff8800b4134800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff8800b4476380 ffff8800b41d0800 ramfs none /mnt ffff8801376688c0 ffff8800b4132800 tmpfs none /var/lib/stateless/writable ffff880137668a80 ffff8800b4136000 squashfs /dev/vda /home/green/git/lustre-release ffff88012a2436c0 ffff8800b4132800 tmpfs none /var/cache/man ffff8800b4582c40 ffff8800b4132800 tmpfs none /var/log ffff88012a243880 ffff8800b4132800 tmpfs none /var/lib/dbus ffff880137668c40 ffff8800b4132800 tmpfs none /tmp ffff880137668e00 ffff8800b4132800 tmpfs none /var/lib/dhclient ffff880137668fc0 ffff8800b4132800 tmpfs none /var/tmp ffff88012a243a40 ffff8800b4132800 tmpfs none /var/lib/NetworkManager ffff880137669180 ffff8800b4132800 tmpfs none /var/lib/systemd/random-seed ffff88012a243c00 ffff8800b4132800 tmpfs none /var/spool ffff8800b4582e00 ffff8800b4132800 tmpfs none /var/lib/nfs ffff880137669340 ffff8800b4132800 tmpfs none /var/lib/gssproxy ffff88012a243dc0 ffff8800b4132800 tmpfs none /var/lib/logrotate ffff8800b4582fc0 ffff8800b4132800 tmpfs none /etc ffff88012a243340 ffff8800b4132800 tmpfs none /var/lib/rsyslog ffff8800b4340000 ffff8800b4132800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff880137669500 ffff8800b401c800 nfs4 192.168.200.253:/exports/state/oleg339-server.virtnet /var/lib/stateless/state ffff880137669880 ffff8800b401c800 nfs4 192.168.200.253:/exports/state/oleg339-server.virtnet /boot ffff880137669a40 ffff8800b401c800 nfs4 192.168.200.253:/exports/state/oleg339-server.virtnet /etc/etc/kdump.conf ffff880137669c00 ffff88012a356800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b4341340 ffff8800b4136000 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b18c3dc0 ffff88012f5a1800 lustre /dev/mapper/mds1_flakey /mnt/lustre-mds1 ffff8800b4772a80 ffff880096b00000 lustre /dev/mapper/mds2_flakey /mnt/lustre-mds2 ffff8800b4477880 ffff88008be88800 lustre /dev/mapper/ost1_flakey /mnt/lustre-ost1 ffff8800b4341880 ffff88009c89e000 lustre /dev/mapper/ost2_flakey /mnt/lustre-ost2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 1820.475167] LustreError: 19790:0:(tgt_handler.c:2339:tgt_brw_read()) Skipped 4 previous similar messages [ 1821.470464] LustreError: 19791:0:(tgt_handler.c:2339:tgt_brw_read()) cfs_fail_timeout id 214 awake [ 1821.473541] LustreError: 19791:0:(tgt_handler.c:2339:tgt_brw_read()) Skipped 1 previous similar message [ 1822.734635] LustreError: 19790:0:(tgt_handler.c:2339:tgt_brw_read()) cfs_fail_timeout id 214 sleeping for 1000ms [ 1822.741872] LustreError: 19790:0:(tgt_handler.c:2339:tgt_brw_read()) Skipped 6 previous similar messages [ 1823.750375] LustreError: 19790:0:(tgt_handler.c:2339:tgt_brw_read()) cfs_fail_timeout id 214 awake [ 1823.754489] LustreError: 19790:0:(tgt_handler.c:2339:tgt_brw_read()) Skipped 7 previous similar messages [ 1827.615452] LustreError: 17910:0:(tgt_handler.c:2339:tgt_brw_read()) cfs_fail_timeout id 214 sleeping for 1000ms [ 1827.615517] LustreError: 17912:0:(tgt_handler.c:2339:tgt_brw_read()) cfs_fail_timeout id 214 sleeping for 1000ms [ 1827.615526] LustreError: 17912:0:(tgt_handler.c:2339:tgt_brw_read()) Skipped 9 previous similar messages [ 1827.630646] LustreError: 17910:0:(tgt_handler.c:2339:tgt_brw_read()) Skipped 1 previous similar message [ 1828.615960] LustreError: 19790:0:(tgt_handler.c:2339:tgt_brw_read()) cfs_fail_timeout id 214 awake [ 1828.623354] LustreError: 19790:0:(tgt_handler.c:2339:tgt_brw_read()) Skipped 9 previous similar messages [ 1837.033728] LustreError: 19862:0:(tgt_handler.c:2339:tgt_brw_read()) cfs_fail_timeout id 214 sleeping for 1000ms [ 1837.040456] LustreError: 19862:0:(tgt_handler.c:2339:tgt_brw_read()) Skipped 18 previous similar messages [ 1838.047416] LustreError: 19862:0:(tgt_handler.c:2339:tgt_brw_read()) cfs_fail_timeout id 214 awake [ 1838.055352] LustreError: 19862:0:(tgt_handler.c:2339:tgt_brw_read()) Skipped 19 previous similar messages [ 1846.494192] Lustre: DEBUG MARKER: == sanity-pcc test 41: Test mtime rule for PCC-RO open attach with O_RDONLY mode ========================================================== 16:21:32 (1746130892) [ 1851.731043] Lustre: DEBUG MARKER: == sanity-pcc test 42: PCC attach without attach ID specified ========================================================== 16:21:37 (1746130897) [ 1856.502597] Lustre: DEBUG MARKER: == sanity-pcc test 43: Auto attach at open() should add capacity owner check ========================================================== 16:21:42 (1746130902) [ 1861.499505] Lustre: DEBUG MARKER: == sanity-pcc test 44: Verify valid auto attach without re-fetching the whole files ========================================================== 16:21:47 (1746130907) [ 1927.688004] Lustre: DEBUG MARKER: == sanity-pcc test 45: Concurrent read access from two mount points ========================================================== 16:22:53 (1746130973) [ 1994.685510] Lustre: DEBUG MARKER: == sanity-pcc test 46: Verify PCC mode setting works correctly ========================================================== 16:24:00 (1746131040) [ 1999.103464] Lustre: DEBUG MARKER: == sanity-pcc test 47: mtime should be kept once file attached into PCC ========================================================== 16:24:05 (1746131045) [ 2006.249129] Lustre: DEBUG MARKER: == sanity-pcc test 48: PCC state should check whether the file in local PCC cache ========================================================== 16:24:12 (1746131052) [ 2010.466266] Lustre: DEBUG MARKER: == sanity-pcc test 96: Auto attach from multiple read process on a node ========================================================== 16:24:16 (1746131056) [ 2075.583772] Lustre: DEBUG MARKER: == sanity-pcc test 97: two mmap I/O and layout lock cancel ========================================================== 16:25:21 (1746131121) [ 2200.189805] Lustre: DEBUG MARKER: == sanity-pcc test 98: racer between auto attach and mmap I/O ========================================================== 16:27:26 (1746131246) [ 2266.550243] Lustre: DEBUG MARKER: == sanity-pcc test 99: race among unlink | mmap read | write | detach for PCC-RO file ========================================================== 16:28:32 (1746131312) [ 2333.578811] Lustre: DEBUG MARKER: == sanity-pcc test 99b: race among unlink | two readers | write | detach for PCC-RO file ========================================================== 16:29:39 (1746131379) [ 2401.184502] Lustre: DEBUG MARKER: == sanity-pcc test 100: race among PCC unlink | read | write | detach for PCC-RO file ========================================================== 16:30:46 (1746131446) [ 2467.526117] Lustre: DEBUG MARKER: == sanity-pcc test 101a: Test auto attach in mount namespace (simulated container) ========================================================== 16:31:53 (1746131513) [ 2475.829017] Lustre: DEBUG MARKER: == sanity-pcc test 102: PCC-RO should not hange for io_uring I/O engine ========================================================== 16:32:01 (1746131521) [ 2476.747620] Lustre: DEBUG MARKER: SKIP: sanity-pcc test_102 Client OS does not support io_uring I/O engine [ 2477.699009] Lustre: DEBUG MARKER: == sanity-pcc test 203: Verify attach/hit bytes statistics data ========================================================== 16:32:03 (1746131523) [ 2482.335184] Lustre: DEBUG MARKER: == sanity-pcc test 204a: pin/unpin pcc flag ============== 16:32:08 (1746131528) [ 2487.322880] Lustre: DEBUG MARKER: == sanity-pcc test 204b: Permission check for the pin/unpin operation ========================================================== 16:32:13 (1746131533) [ 2494.195870] Lustre: DEBUG MARKER: == sanity-pcc test 204c: PCC pin/unpin without attach ID specified ========================================================== 16:32:20 (1746131540) [ 2498.526564] Lustre: DEBUG MARKER: == sanity-pcc test complete, duration 2343 sec =========== 16:32:24 (1746131544) [ 2499.620737] Lustre: DEBUG MARKER: === sanity-pcc: start cleanup 16:32:25 (1746131545) === ****************************************************************************** ************************ 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 11.74s (real) 6.24s (CPU), Child processes: 5.38s