************************ crashinfo ************************* /exports/testreports/51277/testresults/sanity-pcc-zfs-centos7_x86_64-centos7_x86_64/oleg429-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.RTYkH/vmlinux [TAINTED] DUMPFILE: /exports/testreports/51277/testresults/sanity-pcc-zfs-centos7_x86_64-centos7_x86_64/oleg429-server-timeout-core [PARTIAL DUMP] CPUS: 4 DATE: Thu May 1 17:23:31 EDT 2025 UPTIME: 01:06:37 LOAD AVERAGE: 0.00, 0.01, 0.06 TASKS: 354 NODENAME: oleg429-server.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 37 last 5s 62 last 60s 79 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 350 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 ----- -------------- ------ ---------------------------- 6756 z_null_int 0 ms (no user stack) 3290 lnet_discovery 0 ms (no user stack) 6755 z_null_iss 0 ms (no user stack) 6809 mmp 0 ms (no user stack) 1899 kworker/3:2 18 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955067 3.6 GB ---- FREE 668752 2.6 GB 70% of TOTAL MEM USED 286315 1.1 GB 29% of TOTAL MEM SHARED 10143 39.6 MB 1% of TOTAL MEM BUFFERS 5943 23.2 MB 0% of TOTAL MEM CACHED 71734 280.2 MB 7% of TOTAL MEM SLAB 18947 74 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 60018 234.4 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 -------------------- CLOSE 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 3994.1 eth0 n/a 1.3 RSS_TOTAL=53496 pages, %mem= 0.8 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012a38c000 ffff88012a390000 sysfs sysfs /sys ffff88012a38c1c0 ffff880139944000 proc proc /proc ffff88012a38c380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012a38c540 ffff88012a368000 securityfs securityfs /sys/kernel/security ffff88012a38c700 ffff88012a390800 tmpfs tmpfs /dev/shm ffff88012a38c8c0 ffff88013771b000 devpts devpts /dev/pts ffff88012a38ca80 ffff88012a391000 tmpfs tmpfs /run ffff88012a38cc40 ffff88012a391800 tmpfs tmpfs /sys/fs/cgroup ffff88012a38ce00 ffff88012a392000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012a38cfc0 ffff88012a392800 pstore pstore /sys/fs/pstore ffff88012a38d180 ffff88012a394800 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012a38d340 ffff88012a394000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012a38d500 ffff88012a393800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012a38d6c0 ffff88012a393000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012a38d880 ffff88012a395000 cgroup cgroup /sys/fs/cgroup/memory ffff88012a38da40 ffff88012a395800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012a38dc00 ffff88012a396000 cgroup cgroup /sys/fs/cgroup/pids ffff88012a38ddc0 ffff88012a396800 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aa7c000 ffff88012a397000 cgroup cgroup /sys/fs/cgroup/devices ffff88012aa7c1c0 ffff88012a397800 cgroup cgroup /sys/fs/cgroup/blkio ffff880138ccb340 ffff8800b49c5000 configfs configfs /sys/kernel/config ffff8800b538e1c0 ffff8800b5341800 ext4 /dev/nbd0 / ffff880138ccb6c0 ffff8800b5345800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff880137668a80 ffff8800b4276800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff880137669dc0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012aa7c540 ffff8800b4278000 hugetlbfs hugetlbfs /dev/hugepages ffff8800b411c000 ffff88013700f800 mqueue mqueue /dev/mqueue ffff8800b538e8c0 ffff8800b5243000 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff8800b411c1c0 ffff880129e8d000 ramfs none /mnt ffff88012aa7c8c0 ffff880129c4d800 tmpfs none /var/lib/stateless/writable ffff88012aa7ca80 ffff880129c48800 squashfs /dev/vda /home/green/git/lustre-release ffff8800b538ea80 ffff880129c4d800 tmpfs none /var/cache/man ffff8800b411c540 ffff880129c4d800 tmpfs none /var/log ffff8800b411c700 ffff880129c4d800 tmpfs none /var/lib/dbus ffff88012aa7cc40 ffff880129c4d800 tmpfs none /tmp ffff88012aa7ce00 ffff880129c4d800 tmpfs none /var/lib/dhclient ffff8800b538ec40 ffff880129c4d800 tmpfs none /var/tmp ffff88012aa7cfc0 ffff880129c4d800 tmpfs none /var/lib/NetworkManager ffff8800b538ee00 ffff880129c4d800 tmpfs none /var/lib/systemd/random-seed ffff8800b538efc0 ffff880129c4d800 tmpfs none /var/spool ffff88012aa7d180 ffff880129c4d800 tmpfs none /var/lib/nfs ffff88012aa7d340 ffff880129c4d800 tmpfs none /var/lib/gssproxy ffff8800b538f180 ffff880129c4d800 tmpfs none /var/lib/logrotate ffff88012aa7d500 ffff880129c4d800 tmpfs none /etc ffff8800b538f340 ffff880129c4d800 tmpfs none /var/lib/rsyslog ffff8800b411c8c0 ffff880129c4d800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff8800b411ca80 ffff8800b4330000 nfs4 192.168.200.253:/exports/state/oleg429-server.virtnet /var/lib/stateless/state ffff88012aa7da40 ffff8800b4330000 nfs4 192.168.200.253:/exports/state/oleg429-server.virtnet /boot ffff8800b411cc40 ffff8800b4330000 nfs4 192.168.200.253:/exports/state/oleg429-server.virtnet /etc/etc/kdump.conf ffff8800b411ce00 ffff8800b5345800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b411c380 ffff880129c48800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b538e700 ffff88012fa3d000 lustre lustre-mdt1/mdt1 /mnt/lustre-mds1 ffff8800b1eab880 ffff88009ba1e800 lustre lustre-ost1/ost1 /mnt/lustre-ost1 ffff8800b538e380 ffff88013699b000 lustre lustre-ost2/ost2 /mnt/lustre-ost2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 1060.678965] LustreError: 29186:0:(tgt_handler.c:2339:tgt_brw_read()) Skipped 1 previous similar message [ 1061.850144] LustreError: 29186:0:(tgt_handler.c:2339:tgt_brw_read()) cfs_fail_timeout id 214 sleeping for 1000ms [ 1061.860716] LustreError: 29186:0:(tgt_handler.c:2339:tgt_brw_read()) Skipped 11 previous similar messages [ 1062.851290] LustreError: 29188:0:(tgt_handler.c:2339:tgt_brw_read()) cfs_fail_timeout id 214 awake [ 1062.858267] LustreError: 29188:0:(tgt_handler.c:2339:tgt_brw_read()) Skipped 9 previous similar messages [ 1066.092970] LustreError: 27302:0:(tgt_handler.c:2339:tgt_brw_read()) cfs_fail_timeout id 214 sleeping for 1000ms [ 1066.099027] LustreError: 27302:0:(tgt_handler.c:2339:tgt_brw_read()) Skipped 27 previous similar messages [ 1067.102453] LustreError: 29189:0:(tgt_handler.c:2339:tgt_brw_read()) cfs_fail_timeout id 214 awake [ 1067.111409] LustreError: 29189:0:(tgt_handler.c:2339:tgt_brw_read()) Skipped 30 previous similar messages [ 1075.012983] LustreError: 27304:0:(tgt_handler.c:2339:tgt_brw_read()) cfs_fail_timeout id 214 sleeping for 1000ms [ 1075.023193] LustreError: 27304:0:(tgt_handler.c:2339:tgt_brw_read()) Skipped 29 previous similar messages [ 1076.028352] LustreError: 29188:0:(tgt_handler.c:2339:tgt_brw_read()) cfs_fail_timeout id 214 awake [ 1076.031846] LustreError: 29188:0:(tgt_handler.c:2339:tgt_brw_read()) Skipped 30 previous similar messages [ 1092.046315] LustreError: 27303:0:(tgt_handler.c:2339:tgt_brw_read()) cfs_fail_timeout id 214 sleeping for 1000ms [ 1092.053928] LustreError: 27303:0:(tgt_handler.c:2339:tgt_brw_read()) Skipped 76 previous similar messages [ 1093.055302] LustreError: 27302:0:(tgt_handler.c:2339:tgt_brw_read()) cfs_fail_timeout id 214 awake [ 1093.060976] LustreError: 27302:0:(tgt_handler.c:2339:tgt_brw_read()) Skipped 76 previous similar messages [ 1104.216060] Lustre: DEBUG MARKER: == sanity-pcc test 41: Test mtime rule for PCC-RO open attach with O_RDONLY mode ========================================================== 16:35:18 (1746131718) [ 1108.406789] Lustre: DEBUG MARKER: == sanity-pcc test 42: PCC attach without attach ID specified ========================================================== 16:35:22 (1746131722) [ 1112.379884] Lustre: DEBUG MARKER: == sanity-pcc test 43: Auto attach at open() should add capacity owner check ========================================================== 16:35:26 (1746131726) [ 1116.326674] Lustre: DEBUG MARKER: == sanity-pcc test 44: Verify valid auto attach without re-fetching the whole files ========================================================== 16:35:30 (1746131730) [ 1181.803505] Lustre: DEBUG MARKER: == sanity-pcc test 45: Concurrent read access from two mount points ========================================================== 16:36:36 (1746131796) [ 1248.347370] Lustre: DEBUG MARKER: == sanity-pcc test 46: Verify PCC mode setting works correctly ========================================================== 16:37:42 (1746131862) [ 1252.110434] Lustre: DEBUG MARKER: == sanity-pcc test 47: mtime should be kept once file attached into PCC ========================================================== 16:37:46 (1746131866) [ 1258.352359] Lustre: DEBUG MARKER: == sanity-pcc test 48: PCC state should check whether the file in local PCC cache ========================================================== 16:37:52 (1746131872) [ 1261.551676] Lustre: DEBUG MARKER: == sanity-pcc test 96: Auto attach from multiple read process on a node ========================================================== 16:37:56 (1746131876) [ 1326.315132] Lustre: DEBUG MARKER: == sanity-pcc test 97: two mmap I/O and layout lock cancel ========================================================== 16:39:00 (1746131940) [ 1450.816609] Lustre: DEBUG MARKER: == sanity-pcc test 98: racer between auto attach and mmap I/O ========================================================== 16:41:05 (1746132065) [ 1516.644419] Lustre: DEBUG MARKER: == sanity-pcc test 99: race among unlink | mmap read | write | detach for PCC-RO file ========================================================== 16:42:11 (1746132131) [ 1583.228170] Lustre: DEBUG MARKER: == sanity-pcc test 99b: race among unlink | two readers | write | detach for PCC-RO file ========================================================== 16:43:17 (1746132197) [ 1650.366760] Lustre: DEBUG MARKER: == sanity-pcc test 100: race among PCC unlink | read | write | detach for PCC-RO file ========================================================== 16:44:24 (1746132264) [ 1716.948989] Lustre: DEBUG MARKER: == sanity-pcc test 101a: Test auto attach in mount namespace (simulated container) ========================================================== 16:45:31 (1746132331) [ 1726.776533] Lustre: DEBUG MARKER: == sanity-pcc test 102: PCC-RO should not hange for io_uring I/O engine ========================================================== 16:45:41 (1746132341) [ 1727.870332] Lustre: DEBUG MARKER: SKIP: sanity-pcc test_102 Client OS does not support io_uring I/O engine [ 1729.013248] Lustre: DEBUG MARKER: == sanity-pcc test 203: Verify attach/hit bytes statistics data ========================================================== 16:45:43 (1746132343) [ 1734.128130] Lustre: DEBUG MARKER: == sanity-pcc test 204a: pin/unpin pcc flag ============== 16:45:48 (1746132348) [ 1739.881836] Lustre: DEBUG MARKER: == sanity-pcc test 204b: Permission check for the pin/unpin operation ========================================================== 16:45:54 (1746132354) [ 1748.035238] Lustre: DEBUG MARKER: == sanity-pcc test 204c: PCC pin/unpin without attach ID specified ========================================================== 16:46:02 (1746132362) [ 1752.913634] Lustre: DEBUG MARKER: == sanity-pcc test complete, duration 1658 sec =========== 16:46:07 (1746132367) [ 1753.738494] Lustre: DEBUG MARKER: === sanity-pcc: start cleanup 16:46:08 (1746132368) === ****************************************************************************** ************************ 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 11.97s (real) 6.82s (CPU), Child processes: 5.09s