************************ crashinfo ************************* /exports/testreports/68907/testresults/sanity-compr-special5-zfs-rocky8.10_x86_64-rocky8.10_x86_64/oleg208-server-vmcore (4.18.0rh8.10-debug) +==========================+ | *** Crashinfo v1.3.7 *** | +==========================+ +++WARNING+++ PARTIAL DUMP with size(vmcore) < 25% size(RAM) KERNEL: /tmp/crash-anaysis.uG0UD/vmlinux [TAINTED] DUMPFILE: /exports/testreports/68907/testresults/sanity-compr-special5-zfs-rocky8.10_x86_64-rocky8.10_x86_64/oleg208-server-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Wed Aug 26 10:45:52 EDT 2026 UPTIME: 00:05:13 LOAD AVERAGE: 1.28, 1.40, 0.66 TASKS: 358 NODENAME: oleg208-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=0 CPU=1 CMD=swapper/1 #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#2 -- PID=6482 CPU=2 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 dnode_sync+0x503 #17 sync_dnodes_task+0xd2 #18 taskq_thread+0x45c #19 kthread+0x1d1 #20 ret_from_fork+0x1f -- 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+++ 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 +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task +++ERROR+++ corrupted task Number of Threads That Ran Recently ----------------------------------- last second 116 last 5s 129 last 60s 158 ----- Total Numbers of Threads per State ------ ?? 355 +++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 ----- -------------- ------ ---------------------------- 6482 dp_sync_taskq 0 ms (no user stack) 6464 z_wr_iss 0 ms (no user stack) 1381 tuned 0 ms (no user stack) 6676 ll_ost00_001 0 ms (no user stack) 13 rcu_sched 2 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 945442 3.6 GB ---- FREE 672839 2.6 GB 71% of TOTAL MEM USED 272603 1 GB 28% of TOTAL MEM SHARED 19053 74.4 MB 2% of TOTAL MEM BUFFERS 7400 28.9 MB 0% of TOTAL MEM CACHED 107145 418.5 MB 11% of TOTAL MEM SLAB 10766 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 734864 2.8 GB ---- COMMITTED 84465 329.9 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 corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task corrupted task ------------------------------------------------------------------------------ ** Execution took 25.93s (real) 9.76s (CPU), Child processes: 15.69s