Hi qiwu.chen, I didn't get your issue reproduced on my machine. If possible, could you please share your vmcore or vmlinux to me, so I can have a debug? You can share it through google drive or any other method privately. Thanks, Tao Liu On Tue, Apr 30, 2024 at 10:41 AM <qiwu.chen@xxxxxxxxxxxxx> wrote: > > Dear sirs, > I found a bug for crash-8.0.5 that I failed to parse the assembly code by dis cmd for ARM64 crash dump: > $ crash vmlinux dump.202403061305 -d 1 > KERNEL: vmlinux [TAINTED] > DUMPFILE: dump.202403061305 [PARTIAL DUMP] > CPUS: 4crash: get_cpus_online: online: 4 > > DATE: Wed Mar 6 21:04:30 CST 2024 > UPTIME: 2135039823346 days, 00:18:07 > LOAD AVERAGE: 0.32, 0.40, 0.17 > TASKS: 93 > NODENAME: benshushu > RELEASE: 5.15.0+ > VERSION: #1 SMP Tue Mar 5 16:54:41 CST 2024 > MACHINE: aarch64 (unknown Mhz) > MEMORY: 1 GB > PANIC: "Unable to handle kernel paging request at virtual address ffff800809102430" > PID: 494 > COMMAND: "bash" > TASK: ffff000007d11a80 [THREAD_INFO: ffff000007d11a80] > CPU: 0 > STATE: TASK_RUNNING (PANIC) > crash> bt > PID: 494 TASK: ffff000007d11a80 CPU: 0 COMMAND: "bash" > 0: ffff80001022400c (crash_kexec) > #0 [ffff000007ce34d0] crash_kexec at ffff800010224008 > #1 [ffff000007ce3570] die at ffff800010030038 > #2 [ffff000007ce35e0] die_kernel_fault at ffff80001005d8e8 > #3 [ffff000007ce3610] __do_kernel_fault at ffff80001005dbf4 > #4 [ffff000007ce3650] do_bad_area at ffff80001005de14 > #5 [ffff000007ce36b0] do_translation_fault at ffff800011172f84 > #6 [ffff000007ce3700] do_mem_abort at ffff80001005e220 > #7 [ffff000007ce3760] el1_abort at ffff800011162210 > #8 [ffff000007ce3790] el1h_64_sync_handler at ffff80001116243c > #9 [ffff000007ce38f0] el1h_64_sync at ffff8000100111dc > ...... > crash> dis do_mem_abort > crash> dis -x ffff80001005e220 -r 8 > 0xffff80001005e184 <do_mem_abort>: > crash> dis do_mem_abort > 0xffff80001005e184 <do_mem_abort>: > crash> dis do_translation_fault > 0xffff800011172ed4 <do_translation_fault>: > > There is no problem for crash-8.0.4: > crash> dis do_mem_abort > 0xffff80001005e184 <do_mem_abort>: mov x9, x30 > 0xffff80001005e188 <do_mem_abort+4>: nop > 0xffff80001005e18c <do_mem_abort+8>: stp x29, x30, [sp, #-96]! > 0xffff80001005e190 <do_mem_abort+12>: mov x29, sp > ...... > > There must be some change corrupted the ARM64 dis function. Please help look at the issue. > Thanks > -- > Crash-utility mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxxxxxx > To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxxxxxx > https://${domain_name}/admin/lists/devel.lists.crash-utility.osci.io/ > Contribution Guidelines: https://github.com/crash-utility/crash/wiki -- Crash-utility mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxxxxxx https://${domain_name}/admin/lists/devel.lists.crash-utility.osci.io/ Contribution Guidelines: https://github.com/crash-utility/crash/wiki
