************************ crashinfo ************************* /exports/testreports/70067/testresults/sanity-compr-special2-zfs-rocky8.10_x86_64-rocky8.10_x86_64/oleg222-server-vmcore (4.18.0rh8.10-debug) +==========================+ | *** Crashinfo v1.3.7 *** | +==========================+ +++WARNING+++ PARTIAL DUMP with size(vmcore) < 25% size(RAM) KERNEL: /tmp/crash-anaysis.z35ZX/vmlinux [TAINTED] DUMPFILE: /exports/testreports/70067/testresults/sanity-compr-special2-zfs-rocky8.10_x86_64-rocky8.10_x86_64/oleg222-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Thu Sep 10 16:17:04 EDT 2026 UPTIME: 00:06:47 LOAD AVERAGE: 1.50, 1.29, 0.66 TASKS: 348 NODENAME: oleg222-server.virtnet RELEASE: 4.18.0rh8.10-debug VERSION: #2 SMP Mon Jul 14 01:24:22 EDT 2025 MACHINE: x86_64 (2399 Mhz) MEMORY: 4.1 GB PANIC: "BUG: unable to handle kernel NULL pointer dereference at 000000000000002e" +--------------------------+ >------------------------| Per-cpu Stacks ('bt -a') |------------------------< +--------------------------+ -- CPU#0 -- PID=0 CPU=0 CMD=swapper/0 #0 crash_nmi_callback+0x6d #1 nmi_handle+0xbd #2 default_do_nmi+0x4b #3 do_nmi+0x280 #4 end_repeat_nmi+0x16 #-1 native_safe_halt+0x2e, 507 bytes of data #5 native_safe_halt+0x2e #6 default_idle+0x1a #7 arch_cpu_idle+0x13 #8 default_idle_call+0xb8 #9 do_idle+0x3c9 #10 cpu_startup_entry+0x9f #11 rest_init+0x128 #12 start_kernel+0x981 #13 x86_64_start_reservations+0x3c #14 x86_64_start_kernel+0xfd #15 secondary_startup_64_no_verify+0xd1 -- CPU#1 -- PID=12310 CPU=1 CMD=ll_ost_io00_003 #0 crash_nmi_callback+0x6d #1 nmi_handle+0xbd #2 default_do_nmi+0x4b #3 do_nmi+0x280 #4 end_repeat_nmi+0x16 #-1 smp_call_function_many_cond+0x3db, 507 bytes of data #5 smp_call_function_many_cond+0x3db #6 on_each_cpu+0x51 #7 flush_tlb_kernel_range+0x50 #8 free_unmap_vmap_area+0x63 #9 remove_vm_area+0xe7 #10 __vunmap+0x9c #11 vfree+0x4d #12 spl_slab_reclaim+0x276 #13 spl_kmem_cache_free+0x209 #14 zio_data_buf_free+0x33 #15 arc_free_data_buf+0x56 #16 arc_buf_destroy_impl+0x144 #17 arc_hdr_destroy+0xfb #18 remove_reference+0xf3 #19 arc_buf_destroy+0xfc #20 dmu_return_arcbuf+0x34 #21 osd_bufs_put+0x287 #22 ofd_release_chunk_lnb+0x82 #23 ofd_commitrw_write+0x158 #24 ofd_commitrw+0x81c #25 tgt_brw_write+0x18bc #26 tgt_handle_request0+0x137 #27 tgt_request_handle+0x575 #28 ptlrpc_server_handle_request+0x443 #29 ptlrpc_main+0xce8 #30 kthread+0x1d1 #31 ret_from_fork+0x1f -- CPU#2 -- PID=6712 CPU=2 CMD=ll_ost_io00_002 #0 machine_kexec+0x243 #1 __crash_kexec+0xaa #2 crash_kexec+0x65 #3 oops_end+0x155 #4 no_context.cold.27+0xa6 #5 __bad_area_nosemaphore+0x1c6 #6 bad_area_nosemaphore+0x1a #7 do_user_addr_fault+0x540 #8 __do_page_fault+0x6b #9 do_page_fault+0x87 #10 page_fault+0x1e #-1 arc_buf_size+0x20, 477 bytes of data #11 osd_bufs_put+0x237 #12 ofd_release_chunk_lnb+0x82 #13 ofd_commitrw_write+0x158 #14 ofd_commitrw+0x81c #15 tgt_brw_write+0x18bc #16 tgt_handle_request0+0x137 #17 tgt_request_handle+0x575 #18 ptlrpc_server_handle_request+0x443 #19 ptlrpc_main+0xce8 #20 kthread+0x1d1 #21 ret_from_fork+0x1f -- CPU#3 -- PID=12311 CPU=3 CMD=ll_ost_io00_004 #0 crash_nmi_callback+0x6d #1 nmi_handle+0xbd #2 default_do_nmi+0x4b #3 do_nmi+0x280 #4 end_repeat_nmi+0x16 #-1 smp_call_function_many_cond+0x3db, 507 bytes of data #5 smp_call_function_many_cond+0x3db #6 on_each_cpu+0x51 #7 flush_tlb_kernel_range+0x50 #8 free_unmap_vmap_area+0x63 #9 remove_vm_area+0xe7 #10 __vunmap+0x9c #11 vfree+0x4d #12 spl_slab_reclaim+0x276 #13 spl_kmem_cache_free+0x209 #14 zio_data_buf_free+0x33 #15 arc_free_data_buf+0x56 #16 arc_buf_destroy_impl+0x144 #17 arc_hdr_destroy+0xfb #18 remove_reference+0xf3 #19 arc_buf_destroy+0xfc #20 dmu_return_arcbuf+0x34 #21 osd_bufs_put+0x287 #22 ofd_release_chunk_lnb+0x82 #23 ofd_commitrw_write+0x158 #24 ofd_commitrw+0x81c #25 tgt_brw_write+0x18bc #26 tgt_handle_request0+0x137 #27 tgt_request_handle+0x575 #28 ptlrpc_server_handle_request+0x443 #29 ptlrpc_main+0xce8 #30 kthread+0x1d1 #31 ret_from_fork+0x1f +--------------------------------+ >---------------------| How This Dump Has Been Created |---------------------< +--------------------------------+ *** Dump was triggered by kernel *** BUG: unable to handle kernel NULL pointer dereference at 000000000000002e +---------------+ >------------------------------| Tasks Summary |------------------------------< +---------------+ +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task 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+++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task Number of Threads That Ran Recently ----------------------------------- last second 44 last 5s 121 last 60s 166 ----- Total Numbers of Threads per State ------ ?? 345 +++WARNING+++ There are 6 threads running in their own namespaces Use 'taskinfo --ns' to get more details +-----------------------+ >--------------------------| 5 Most Recent Threads |--------------------------< +-----------------------+ PID CMD Age ARGS ----- -------------- ------ ---------------------------- 1363 tuned 19 ms (no user stack) 12311 ll_ost_io00_004 42 ms (no user stack) 3301 socknal_sd00_00 42 ms (no user stack) 3302 socknal_sd00_01 47 ms (no user stack) 3303 socknal_sd00_02 52 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 945441 3.6 GB ---- FREE 668270 2.5 GB 70% of TOTAL MEM USED 277171 1.1 GB 29% of TOTAL MEM SHARED 19080 74.5 MB 2% of TOTAL MEM BUFFERS 7412 29 MB 0% of TOTAL MEM CACHED 107162 418.6 MB 11% of TOTAL MEM SLAB 10786 42.1 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 734863 2.8 GB ---- COMMITTED 87448 341.6 MB 11% of TOTAL LIMIT print_blkreq is not supported on this kernel Traceback (most recent call last): File "/usr/local/crash/mpykdump.so/progs/crashinfo.py", line 1673, in File "/home/green/git/pykdump/LinuxDump/Dev.py", line 500, in print_gendisk # Get the list of (dev, gendisk) sorted by dev File "/home/green/git/pykdump/LinuxDump/Dev.py", line 473, in get_gendisks ttype = target.type File "/home/green/git/pykdump/pykdump/lowlevel.py", line 391, in __getattr__ raise KeyError(msg) KeyError: ' does not have a field ' ****************************************************************************** ************************ A Summary Of Problems Found ************************* ****************************************************************************** -------------------- A list of all +++WARNING+++ messages -------------------- PARTIAL DUMP with size(vmcore) < 25% size(RAM) There are 6 threads running in their own namespaces Use 'taskinfo --ns' to get more details --------------------- A list of all +++ERROR+++ messages --------------------- corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task ------------------------------------------------------------------------------ ** Execution took 24.91s (real) 9.88s (CPU), Child processes: 14.68s