************************ crashinfo ************************* /exports/testreports/50423/testresults/sanity-pcc-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg315-client-vmcore (3.10.0-7.9-debug) +==========================+ | *** Crashinfo v1.3.7 *** | +==========================+ +++WARNING+++ PARTIAL DUMP with size(vmcore) < 25% size(RAM) KERNEL: /tmp/crash-anaysis.9H1Xw/vmlinux [TAINTED] DUMPFILE: /exports/testreports/50423/testresults/sanity-pcc-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg315-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Tue Apr 1 08:11:10 EDT 2025 UPTIME: 00:20:50 LOAD AVERAGE: 1.64, 1.02, 0.51 TASKS: 177 NODENAME: oleg315-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: "BUG: unable to handle kernel paging request at 0000000000002a97" +--------------------------+ >------------------------| Per-cpu Stacks ('bt -a') |------------------------< +--------------------------+ -- CPU#0 -- PID=4280 CPU=0 CMD=mmap_cat #0 machine_kexec+0x19e #1 __crash_kexec+0x72 #2 crash_kexec+0x30 #3 oops_end+0xa8 #4 no_context+0x144 #5 __bad_area_nosemaphore+0x112 #6 bad_area+0x49 #7 __do_page_fault+0x494 #8 trace_do_page_fault+0x56 #9 do_async_page_fault+0x22 #10 async_page_fault+0x28 #-1 block_read_full_page+0x100, 477 bytes of data #11 do_mpage_readpage+0x40f #12 mpage_readpage+0x72 #13 ext4_readpage+0x45 #14 filemap_fault+0x205 #15 ll_filemap_fault+0x39 #16 ll_fault+0x1e4 #17 __do_fault+0x84 #18 do_read_fault+0x50 #19 handle_pte_fault+0x2ef #20 __handle_mm_fault+0x31d #21 handle_mm_fault+0x7f #22 __do_page_fault+0x1a0 #23 trace_do_page_fault+0x56 #24 do_async_page_fault+0x22 #25 async_page_fault+0x28 #-1 copy_user_enhanced_fast_string+0x9, 477 bytes of data #26 pipe_iov_copy_from_user.constprop.10+0x88 #27 pipe_write+0x189 #28 do_sync_write+0x8d #29 vfs_write+0xd6 #30 sys_write+0x7f #31 system_call_fastpath+0x1f, 477 bytes of data -- CPU#1 -- PID=0 CPU=1 CMD=swapper/1 #0 crash_nmi_callback+0x31 #1 nmi_handle+0x97 #2 do_nmi+0x12c #3 end_repeat_nmi+0x1e #-1 native_safe_halt+0xb, 507 bytes of data #4 native_safe_halt+0xb #5 default_idle+0x1e #6 default_enter_idle+0x45 #7 cpuidle_enter_state+0x40 #8 cpuidle_idle_call+0xd8 #9 arch_cpu_idle+0xe #10 cpu_startup_entry+0x14a #11 start_secondary+0x1eb #12 start_cpu+0x5 -- CPU#2 -- PID=26155 CPU=2 CMD=ldlm_bl_04 #0 crash_nmi_callback+0x31 #1 nmi_handle+0x97 #2 do_nmi+0x12c #3 end_repeat_nmi+0x1e #-1 generic_exec_single+0x102, 507 bytes of data #4 generic_exec_single+0x102 #5 smp_call_function_single+0x6f #6 smp_call_function_many+0x223 #7 native_flush_tlb_others+0xb8 #8 flush_tlb_mm_range+0x7b #9 tlb_flush_mmu_tlbonly+0xa6 #10 arch_tlb_finish_mmu+0x3f #11 tlb_finish_mmu+0x23 #12 zap_page_range_single+0xd4 #13 unmap_mapping_range+0x12f #14 truncate_pagecache_range+0x49 #15 pcc_layout_invalidate+0x42e #16 vvp_conf_set+0xdd #17 cl_conf_set+0x68 #18 ll_layout_conf+0x81 #19 ll_lock_cancel_bits+0x3ab #20 ll_md_blocking_ast+0x30f #21 ldlm_cancel_callback+0x84 #22 ldlm_cli_cancel_local+0xb2 #23 ldlm_cli_cancel_list_local+0xea #24 ldlm_bl_thread_main+0x988 #25 kthread+0xe4 #26 ret_from_fork_nospec_begin+0x7 -- CPU#3 -- PID=0 CPU=3 CMD=swapper/3 #0 crash_nmi_callback+0x31 #1 nmi_handle+0x97 #2 do_nmi+0x12c #3 end_repeat_nmi+0x1e #-1 native_safe_halt+0xb, 507 bytes of data #4 native_safe_halt+0xb #5 default_idle+0x1e #6 default_enter_idle+0x45 #7 cpuidle_enter_state+0x40 #8 cpuidle_idle_call+0xd8 #9 arch_cpu_idle+0xe #10 cpu_startup_entry+0x14a #11 start_secondary+0x1eb #12 start_cpu+0x5 +--------------------------------+ >---------------------| How This Dump Has Been Created |---------------------< +--------------------------------+ *** Dump was triggered by kernel *** BUG: 73 of 73 active objects replaced +---------------+ >------------------------------| Tasks Summary |------------------------------< +---------------+ Number of Threads That Ran Recently ----------------------------------- last second 51 last 5s 78 last 60s 83 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 168 TASK_RUNNING 3 TASK_UNINTERRUPTIBLE 3 +++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 ----- -------------- ------ ---------------------------- 9 rcu_sched 0 ms (no user stack) 4280 mmap_cat 0 ms (no user stack) 11 rcuos/0 0 ms (no user stack) 1994 socknal_sd00_00 0 ms (no user stack) 1995 socknal_sd00_01 0 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 765266 2.9 GB 80% of TOTAL MEM USED 189813 741.5 MB 19% of TOTAL MEM SHARED 83712 327 MB 8% of TOTAL MEM BUFFERS 520 2 MB 0% of TOTAL MEM CACHED 111420 435.2 MB 11% of TOTAL MEM SLAB 15615 61 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 106600 416.4 MB 14% of TOTAL LIMIT +-------------------------------+ >----------------------| Scheduler Runqueues (per CPU) |----------------------< +-------------------------------+ ---+ CPU=0 ---- | CURRENT TASK , CMD=mmap_cat ---+ CPU=1 ---- | CURRENT TASK , CMD=swapper/1 ---+ CPU=2 ---- | CURRENT TASK , CMD=ldlm_bl_04 ---+ CPU=3 ---- | CURRENT TASK , CMD=swapper/3 +------------------------+ >-------------------------| Network Status Summary |-------------------------< +------------------------+ TCP Connection Info ------------------- ESTABLISHED 6 TIME_WAIT 8 LISTEN 3 NAGLE disabled (TCP_NODELAY): 6 user_data set (NFS etc.): 4 UDP Connection Info ------------------- 2 UDP sockets, 0 in ESTABLISHED Unix Connection Info ------------------------ ESTABLISHED 26 CLOSE 18 LISTEN 8 Raw sockets info -------------------- ESTABLISHED 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 1248.0 eth0 n/a 0.1 RSS_TOTAL=184456 pages, %mem= 3.0 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012aa82000 ffff88012aa78000 sysfs sysfs /sys ffff88012aa821c0 ffff880139944000 proc proc /proc ffff88012aa82380 ffff880137678000 devtmpfs devtmpfs /dev ffff88012aa82540 ffff8800b7b1f800 securityfs securityfs /sys/kernel/security ffff88012aa82700 ffff88012aa78800 tmpfs tmpfs /dev/shm ffff88012aa828c0 ffff880137159800 devpts devpts /dev/pts ffff88012aa82a80 ffff88012aa79000 tmpfs tmpfs /run ffff88012aa82c40 ffff88012aa79800 tmpfs tmpfs /sys/fs/cgroup ffff88012aa82e00 ffff88012aa7a000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012aa82fc0 ffff88012aa7a800 pstore pstore /sys/fs/pstore ffff88012aa83180 ffff88012aa7c800 cgroup cgroup /sys/fs/cgroup/devices ffff88012aa83340 ffff88012aa7c000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012aa83500 ffff88012aa7b800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aa836c0 ffff88012aa7b000 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aa83880 ffff88012aa7d000 cgroup cgroup /sys/fs/cgroup/pids ffff88012aa83a40 ffff88012aa7d800 cgroup cgroup /sys/fs/cgroup/freezer ffff88012aa83c00 ffff88012aa7e000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aa83dc0 ffff88012aa7e800 cgroup cgroup /sys/fs/cgroup/blkio ffff88012aa14000 ffff88012aa7f000 cgroup cgroup /sys/fs/cgroup/memory ffff88012aa141c0 ffff88012aa7f800 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012aa14380 ffff8800b6d16800 configfs configfs /sys/kernel/config ffff88012a480380 ffff88012abe5000 ext4 /dev/nbd0 / ffff880137668540 ffff8800b6cc4000 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff88012aa14540 ffff8800b6d17800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff880137668380 ffff88012a4b6000 hugetlbfs hugetlbfs /dev/hugepages ffff88012a480a80 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff88012a480c40 ffff88013715b000 mqueue mqueue /dev/mqueue ffff88012a480e00 ffff8800b597d800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff88012a480fc0 ffff8800b597a000 ramfs none /mnt ffff8800b6362e00 ffff8800b5841800 tmpfs none /var/lib/stateless/writable ffff8800b6362fc0 ffff8800b5846000 squashfs /dev/vda /home/green/git/lustre-release ffff880137668700 ffff8800b5841800 tmpfs none /var/cache/man ffff88012aa148c0 ffff8800b5841800 tmpfs none /var/log ffff88012aa14a80 ffff8800b5841800 tmpfs none /var/lib/dbus ffff8801376688c0 ffff8800b5841800 tmpfs none /tmp ffff8800b6363340 ffff8800b5841800 tmpfs none /var/lib/dhclient ffff880137668a80 ffff8800b5841800 tmpfs none /var/tmp ffff880137668c40 ffff8800b5841800 tmpfs none /var/lib/NetworkManager ffff8800b6363500 ffff8800b5841800 tmpfs none /var/lib/systemd/random-seed ffff880137668e00 ffff8800b5841800 tmpfs none /var/spool ffff880137668fc0 ffff8800b5841800 tmpfs none /var/lib/nfs ffff8800b63636c0 ffff8800b5841800 tmpfs none /var/lib/gssproxy ffff88012aa14c40 ffff8800b5841800 tmpfs none /var/lib/logrotate ffff88012aa14e00 ffff8800b5841800 tmpfs none /etc ffff88012aa14fc0 ffff8800b5841800 tmpfs none /var/lib/rsyslog ffff880137669180 ffff8800b5841800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff88012a481180 ffff8800b5845800 nfs4 192.168.200.253:/exports/state/oleg315-client.virtnet /var/lib/stateless/state ffff88012aa15180 ffff8800b5845800 nfs4 192.168.200.253:/exports/state/oleg315-client.virtnet /boot ffff8800b6363880 ffff8800b5845800 nfs4 192.168.200.253:/exports/state/oleg315-client.virtnet /etc/etc/kdump.conf ffff88012aa15340 ffff8800b6cc4000 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b5a12c40 ffff8800b5941800 nfs4 192.168.200.253://exports/testreports/50423/testresults/sanity-pcc-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff88012dae3880 ffff8800b5978000 tmpfs tmpfs /run/user/0 ffff8800b5a12fc0 ffff8800b5846000 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b5a12000 ffff880137393000 lustre 192.168.203.115@tcp:/lustre /mnt/lustre ffff8800b5a13a40 ffff8800a8045000 lustre 192.168.203.115@tcp:/lustre /mnt/lustre2 ffff88012a4816c0 ffff8800a28d8000 ext4 /dev/loop0 /mnt/pcc.d97.sanity-pcc +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 1250.773209] Call Trace: [ 1250.773695] [] ? _ext4_get_block+0x220/0x220 [ext4] [ 1250.775038] [] ? libcfs_debug_msg+0x4c9/0xc60 [libcfs] [ 1250.776370] [] do_mpage_readpage+0x40f/0x780 [ 1250.777407] [] ? _raw_spin_unlock+0xe/0x20 [ 1250.778584] [] ? ras_update+0x1b8/0xcc0 [lustre] [ 1250.780280] [] ? _ext4_get_block+0x220/0x220 [ext4] [ 1250.781919] [] ? libcfs_debug_msg+0x4c9/0xc60 [libcfs] [ 1250.784126] [] ? refcount_dec_and_test+0x11/0x20 [ 1250.785565] [] ? unlock_page+0x2b/0x30 [ 1250.787676] [] mpage_readpage+0x72/0xa0 [ 1250.788697] [] ? _ext4_get_block+0x220/0x220 [ext4] [ 1250.789830] [] ? __radix_tree_lookup+0x84/0xf0 [ 1250.790892] [] ? radix_tree_lookup_slot+0x22/0x50 [ 1250.792628] [] ext4_readpage+0x45/0xc0 [ext4] [ 1250.794528] [] filemap_fault+0x205/0x430 [ 1250.795580] [] ll_filemap_fault+0x39/0x60 [lustre] [ 1250.797792] [] ll_fault+0x1e4/0x990 [lustre] [ 1250.799352] [] __do_fault.isra.62+0x84/0x100 [ 1250.800383] [] do_read_fault.isra.64+0x50/0x170 [ 1250.801492] [] handle_pte_fault+0x2ef/0xca0 [ 1250.802535] [] ? __kernel_map_pages+0xbd/0xd0 [ 1250.803561] [] __handle_mm_fault+0x31d/0x720 [ 1250.804663] [] ? get_page_from_freelist+0x5b8/0xa10 [ 1250.806439] [] handle_mm_fault+0x7f/0x150 [ 1250.807807] [] __do_page_fault+0x1a0/0x500 [ 1250.808877] [] trace_do_page_fault+0x56/0x170 [ 1250.810015] [] do_async_page_fault+0x22/0xf0 [ 1250.811105] [] async_page_fault+0x28/0x30 [ 1250.812166] [] ? copy_user_enhanced_fast_string+0x9/0x20 [ 1250.814212] [] ? pipe_iov_copy_from_user.constprop.10+0x88/0xd0 [ 1250.817270] [] pipe_write+0x189/0x540 [ 1250.819362] [] do_sync_write+0x8d/0xd0 [ 1250.821467] [] vfs_write+0xd6/0x230 [ 1250.823492] [] SyS_write+0x7f/0xf0 [ 1250.825472] [] system_call_fastpath+0x1f/0x24 [ 1250.827791] Code: 89 85 30 ff ff ff 4c 89 5d 88 45 89 fb 65 48 8b 04 25 38 0f 01 00 45 89 ef 48 89 85 50 ff ff ff 48 89 85 38 ff ff ff 0f 1f 40 00 <48> 8b 03 a8 01 0f 85 87 00 00 00 48 8b 03 a8 20 75 74 31 c9 4c [ 1250.834648] RIP [] block_read_full_page+0x100/0x3f0 [ 1250.835854] RSP [ 1250.836715] CR2: 0000000000002a97 ****************************************************************************** ************************ 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 10.11s (real) 5.29s (CPU), Child processes: 4.77s