************************ crashinfo ************************* /exports/testreports/68899/testresults/sanity-compr-special10-zfs-rocky8.10_x86_64-rocky8.10_x86_64/oleg321-server-vmcore (4.18.0rh8.10-debug) +==========================+ | *** Crashinfo v1.3.7 *** | +==========================+ +++WARNING+++ PARTIAL DUMP with size(vmcore) < 25% size(RAM) KERNEL: /tmp/crash-anaysis.tfTYS/vmlinux [TAINTED] DUMPFILE: /exports/testreports/68899/testresults/sanity-compr-special10-zfs-rocky8.10_x86_64-rocky8.10_x86_64/oleg321-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Wed Aug 26 11:00:49 EDT 2026 UPTIME: 00:05:08 LOAD AVERAGE: 1.26, 0.93, 0.45 TASKS: 355 NODENAME: oleg321-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 0000000000000028" +--------------------------+ >------------------------| 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=6498 CPU=1 CMD=dp_sync_taskq #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_write+0x3bb, 477 bytes of data #11 dbuf_write+0x326 #12 dbuf_sync_leaf+0x178 #13 dbuf_sync_list+0x12d #14 dbuf_sync_indirect+0x11c #15 dbuf_sync_list+0xed #16 dbuf_sync_indirect+0x11c #17 dbuf_sync_list+0xed #18 dnode_sync+0x503 #19 sync_dnodes_task+0xd2 #20 taskq_thread+0x45c #21 kthread+0x1d1 #22 ret_from_fork+0x1f -- CPU#2 -- PID=0 CPU=2 CMD=swapper/2 #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 start_secondary+0x2b8 #12 secondary_startup_64_no_verify+0xd1 -- CPU#3 -- PID=0 CPU=3 CMD=swapper/3 #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 start_secondary+0x2b8 #12 secondary_startup_64_no_verify+0xd1 +--------------------------------+ >---------------------| How This Dump Has Been Created |---------------------< +--------------------------------+ *** Dump was triggered by kernel *** BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 +---------------+ >------------------------------| 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 +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ 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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 +++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+++ 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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 +++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 +++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 +++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 75 last 5s 123 last 60s 148 ----- Total Numbers of Threads per State ------ ?? 352 +++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 ----- -------------- ------ ---------------------------- 13 rcu_sched 1 ms (no user stack) 3302 socknal_sd00_00 32 ms (no user stack) 3304 socknal_sd00_02 33 ms (no user stack) 6697 ll_ost_io00_001 34 ms (no user stack) 6698 ll_ost_io00_002 43 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 945442 3.6 GB ---- FREE 674376 2.6 GB 71% of TOTAL MEM USED 271066 1 GB 28% of TOTAL MEM SHARED 19046 74.4 MB 2% of TOTAL MEM BUFFERS 7435 29 MB 0% of TOTAL MEM CACHED 107148 418.5 MB 11% of TOTAL MEM SLAB 10734 41.9 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 734864 2.8 GB ---- COMMITTED 88605 346.1 MB 12% 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 corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task ------------------------------------------------------------------------------ ** Execution took 27.71s (real) 10.91s (CPU), Child processes: 15.55s