Re: [Crash-utility] crash on arm64

-----Original Message----- From: Dave Anderson <anderson(a)redhat.com&gt; Sent: Sunday, January 5, 2020 10:16 PM To: Poonam Aggrwal <poonam.aggrwal(a)nxp.com&gt; Cc: crash-utility(a)redhat.com Subject: Re: crash on arm64 ----- Original Message ----- > > > ----- Original Message ----- > > Hello > > > > I am getting the following error when I use crash on arm64 platform > > (NXP LS1043A, with 4 A53 cores). > > crash: read error: kernel virtual address: ffff00007b616100 type: > > "memory section root table" > > > > Additional information is that when I boot the kernel with nokaslr > > in bootargs, the crash seems to work well. > > > > Have any one else seen similar issue? > > > > The kernel version is top of mainline with the below patch applied: > > - arm64/crash_core: Export TCR_EL1.T1SZ in vmcoreinfo > > (https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fli > > sts.infradead.org%2Fpipermail%2Fkexec%2F2019- November%2F023962.html& > > amp;data=02%7C01%7Cpoonam.aggrwal%40nxp.com%7C70d5eb3b36634 e3b307008 > > d791fece02%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C6371 38395873 > > 999176&amp;sdata=zWz%2Bzm%2BGRgCvhX%2FsmXiprBU7de6N3rriivVzn g72d4Y%3 > > D&amp;reserved=0) > > > > And the crash-utils is from here: > > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgi > > thub.com%2Fcrash- utility%2Fcrash.git&amp;data=02%7C01%7Cpoonam.aggrw > > al%40nxp.com%7C70d5eb3b36634e3b307008d791fece02%7C686ea1d3bc 2b4c6fa9 > > 2cd99c5c301635%7C0%7C0%7C637138395873999176&amp;sdata=qlngXi kARralK% > > 2B9fTP5NiikXuq%2FrVEG5vGkMQibSKrI%3D&amp;reserved=0 > > commit 5e975dd8c817ea6aea35e1e15b83c378aee9c136 > > Author: Dave Anderson <anderson(a)redhat.com&gt; > > Date: Tue Dec 24 08:43:52 2019 -0500 > > > > When determining the ARM64 kernel's "vabits_actual" value by reading > > the new TCR_EL1.T1SZ vmcoreinfo entry, display its value during > > session initialization only when invoking crash with "-d1" or larger > > -d debug value. > > (anderson(a)redhat.com) > > What version of kexec-tools are you using?

Also -- how do things work on the live system, both with and without KASLR?

Dave > > Dave > > > > > Logs of crash -d1 are below: > > nxa19049@lsv03080:~/data/ups/crash$ ./crash -d1 ../linux/vmlinux > > ../linux/vmcore > > > > crash 7.2.7++ > > Copyright (C) 2002-2019  Red Hat, Inc. > > Copyright (C) 2004, 2005, 2006, 2010  IBM Corporation Copyright (C) > > 1999-2006  Hewlett-Packard Co Copyright (C) 2005, 2006, 2011, 2012 > > Fujitsu Limited Copyright (C) 2006, 2007  VA Linux Systems Japan > > K.K. > > Copyright (C) 2005, 2011  NEC Corporation Copyright (C) 1999, 2002, > > 2007  Silicon Graphics, Inc. > > Copyright (C) 1999, 2000, 2001, 2002  Mission Critical Linux, Inc. > > This program is free software, covered by the GNU General Public > > License, and you are welcome to change it and/or distribute copies > > of it under certain conditions.  Enter "help copying" to see the conditions. > > This program has absolutely no warranty.  Enter "help warranty" for > > details. > > > > vmcore_data: > >                   flags: c0 (KDUMP_LOCAL|KDUMP_ELF64) > >                    ndfd: 3 > >                     ofp: 7fa9998cf620 > >             header_size: 8192 > >    num_pt_load_segments: 4 > >      pt_load_segment[0]: > >             file_offset: 2000 > >              phys_start: 82080000 > >                phys_end: 839bc000 > >               zero_fill: 0 > >      pt_load_segment[1]: > >             file_offset: 193e000 > >              phys_start: 80000000 > >                phys_end: d8000000 > >               zero_fill: 0 > >      pt_load_segment[2]: > >             file_offset: 5993e000 > >              phys_start: fb000000 > >                phys_end: fb800000 > >               zero_fill: 0 > >      pt_load_segment[3]: > >             file_offset: 5a13e000 > >              phys_start: fbc00000 > >                phys_end: fbe00000 > >               zero_fill: 0 > >              elf_header: 2724410 > >                   elf32: 0 > >                 notes32: 0 > >                  load32: 0 > >                   elf64: 2724410 > >                 notes64: 2724450 > >                  load64: 2724488 > >                sect0_64: 0 > >             nt_prstatus: 2725410 > >             nt_prpsinfo: 0 > >           nt_taskstruct: 0 > >             task_struct: 0 > >              arch_data1: (unused) > >              arch_data2: (unused) > >            switch_stack: 0 > >               page_size: 4096 > >          xen_kdump_data: (unused) > >      num_prstatus_notes: 4 > >          num_qemu_notes: 0 > >              vmcoreinfo: 2725a98 > >         size_vmcoreinfo: 1939 > >      nt_prstatus_percpu: > >         0000000002725410 00000000027255ac 0000000002725748 > > 00000000027258e4 > >          nt_qemu_percpu: > >        backup_src_start: 0 > >         backup_src_size: 0 > >           backup_offset: 0 > > > > Elf64_Ehdr: > >                 e_ident: \177ELF > >       e_ident[EI_CLASS]: 2 (ELFCLASS64) > >        e_ident[EI_DATA]: 1 (ELFDATA2LSB) > >     e_ident[EI_VERSION]: 1 (EV_CURRENT) > >       e_ident[EI_OSABI]: 0 (ELFOSABI_SYSV) > > e_ident[EI_ABIVERSION]: 0 > >                  e_type: 4 (ET_CORE) > >               e_machine: 183 (EM_AARCH64) > >               e_version: 1 (EV_CURRENT) > >                 e_entry: 0 > >                 e_phoff: 40 > >                 e_shoff: 0 > >                 e_flags: 0 > >                e_ehsize: 40 > >             e_phentsize: 38 > >                 e_phnum: 5 > >             e_shentsize: 0 > >                 e_shnum: 0 > >              e_shstrndx: 0 > > Elf64_Phdr: > >                  p_type: 4 (PT_NOTE) > >                p_offset: 4096 (1000) > >                 p_vaddr: 0 > >                 p_paddr: 0 > >                p_filesz: 3612 (e1c) > >                 p_memsz: 3612 (e1c) > >                 p_flags: 0 () > >                 p_align: 0 > > Elf64_Phdr: > >                  p_type: 1 (PT_LOAD) > >                p_offset: 8192 (2000) > >                 p_vaddr: ffffd3ebfa480000 > >                 p_paddr: 82080000 > >                p_filesz: 26460160 (193c000) > >                 p_memsz: 26460160 (193c000) > >                 p_flags: 7 (PF_X|PF_W|PF_R) > >                 p_align: 0 > > Elf64_Phdr: > >                  p_type: 1 (PT_LOAD) > >                p_offset: 26468352 (193e000) > >                 p_vaddr: ffff000000000000 > >                 p_paddr: 80000000 > >                p_filesz: 1476395008 (58000000) > >                 p_memsz: 1476395008 (58000000) > >                 p_flags: 7 (PF_X|PF_W|PF_R) > >                 p_align: 0 > > Elf64_Phdr: > >                  p_type: 1 (PT_LOAD) > >                p_offset: 1502863360 (5993e000) > >                 p_vaddr: ffff00007b000000 > >                 p_paddr: fb000000 > >                p_filesz: 8388608 (800000) > >                 p_memsz: 8388608 (800000) > >                 p_flags: 7 (PF_X|PF_W|PF_R) > >                 p_align: 0 > > Elf64_Phdr: > >                  p_type: 1 (PT_LOAD) > >                p_offset: 1511251968 (5a13e000) > >                 p_vaddr: ffff00007bc00000 > >                 p_paddr: fbc00000 > >                p_filesz: 2097152 (200000) > >                 p_memsz: 2097152 (200000) > >                 p_flags: 7 (PF_X|PF_W|PF_R) > >                 p_align: 0 > > Elf64_Nhdr: > >                n_namesz: 5 ("CORE") > >                n_descsz: 392 > >                  n_type: 1 (NT_PRSTATUS) > >                          si.signo: 0  si.code: 0  si.errno: 0 > >                          cursig: 0  sigpend: 0  sighold: 0 > >                          pid: 0  ppid: 0  pgrp: 0  sid:0 > >                          utime: 0.000000  stime: 0.000000 > >                          cutime: 0.000000  cstime: 0.000000 > >                           X0: 00000000000000e0   X1: ffff00007b5c4d80   X2: > >                           ffff > > > > 2c147fdf5000 > >                           X3: 000000000007b688   X4: 0000000000000015   X5: > >                           00ff > > > > ffffffffffff > >                           X6: 0000000035f70457   X7: 0000000000000000   X8: > >                           ffff > > > > 00007b5c3e3c > >                           X9: 00000000000041b3  X10: ffff00007b5c3e1c  X11: > >                           0000 > > > > 0000000325d3 > >                          X12: 00000000000325d3  X13: 071c71c71c71c71c  X14: > >                          0000 > > > > 000000000000 > >                          X15: 0000000000000000  X16: 0000000000000000  X17: > >                          0000 > > > > 000000000000 > >                          X18: 0000000000000000  X19: 0000001e69146f40  X20: > >                          ffff > > > > 000053175800 > >                          X21: 0000000000000001  X22: ffff00007b5c3b00  X23: > >                          0000 > > > > 000000000001 > >                          X24: 0000001e633ee5f0  X25: ffff00007b5c3b00  X26: > >                          ffff > > > > 000053175800 > >                          X27: 0000000000000001  X28: 0000000082c16344  X29: > >                          ffff > > > > d3ebfbb73e50 > >                           LR: ffffd3ebfadbbab0   SP: ffffd3ebfbb73e50   PC: > >                           ffff > > > > d3ebfadbbab8 > >                          PSTATE: 60000005   FPVALID: 00000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          00000000000000e0 ffff00007b5c4d80 > >                          ffff2c147fdf5000 000000000007b688 > >                          0000000000000015 00ffffffffffffff > >                          0000000035f70457 0000000000000000 > >                          ffff00007b5c3e3c 00000000000041b3 > >                          ffff00007b5c3e1c 00000000000325d3 > >                          00000000000325d3 071c71c71c71c71c > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000001e69146f40 > >                          ffff000053175800 0000000000000001 > >                          ffff00007b5c3b00 0000000000000001 > >                          0000001e633ee5f0 ffff00007b5c3b00 > >                          ffff000053175800 0000000000000001 > >                          0000000082c16344 ffffd3ebfbb73e50 > >                          ffffd3ebfadbbab0 ffffd3ebfbb73e50 > >                          ffffd3ebfadbbab8 0000000060000005 > >                          0000000000000000 > > Elf64_Nhdr: > >                n_namesz: 5 ("CORE") > >                n_descsz: 392 > >                  n_type: 1 (NT_PRSTATUS) > >                          si.signo: 0  si.code: 0  si.errno: 0 > >                          cursig: 0  sigpend: 0  sighold: 0 > >                          pid: 0  ppid: 0  pgrp: 0  sid:0 > >                          utime: 0.000000  stime: 0.000000 > >                          cutime: 0.000000  cstime: 0.000000 > >                           X0: 00000000000000e0   X1: ffff00007b5dad80   X2: > >                           ffff > > > > 2c147fe0b000 > >                           X3: 000000000007b688   X4: 0000000000000015   X5: > >                           00ff > > > > ffffffffffff > >                           X6: 0000000035f70457   X7: 0000000000000000   X8: > >                           ffff > > > > 00007b5d9e3c > >                           X9: 0000000000000db6  X10: ffff00007b5d9e1c  X11: > >                           0000 > > > > 000000085aa2 > >                          X12: 0000000000085aa2  X13: 071c71c71c71c71c  X14: > >                          0000 > > > > 000000000000 > >                          X15: 0000000000000000  X16: 0000000000000000  X17: > >                          0000 > > > > 000000000000 > >                          X18: 0000000000000000  X19: 0000001e69147148  X20: > >                          ffff > > > > 000053176000 > >                          X21: 0000000000000001  X22: ffff00007b5d9b00  X23: > >                          0000 > > > > 000000000001 > >                          X24: 0000001e599e8230  X25: ffff00007b5d9b00  X26: > >                          ffff > > > > 000053176000 > >                          X27: 0000000000000001  X28: 0000000000000000  X29: > >                          ffff > > > > 800010083ec0 > >                           LR: ffffd3ebfadbbab0   SP: ffff800010083ec0   PC: > >                           ffff > > > > d3ebfadbbab8 > >                          PSTATE: 60000005   FPVALID: 00000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          00000000000000e0 ffff00007b5dad80 > >                          ffff2c147fe0b000 000000000007b688 > >                          0000000000000015 00ffffffffffffff > >                          0000000035f70457 0000000000000000 > >                          ffff00007b5d9e3c 0000000000000db6 > >                          ffff00007b5d9e1c 0000000000085aa2 > >                          0000000000085aa2 071c71c71c71c71c > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000001e69147148 > >                          ffff000053176000 0000000000000001 > >                          ffff00007b5d9b00 0000000000000001 > >                          0000001e599e8230 ffff00007b5d9b00 > >                          ffff000053176000 0000000000000001 > >                         0000000000000000 ffff800010083ec0 > >                          ffffd3ebfadbbab0 ffff800010083ec0 > >                          ffffd3ebfadbbab8 0000000060000005 > >                          0000000000000000 > > Elf64_Nhdr: > >                n_namesz: 5 ("CORE") > >                n_descsz: 392 > >                  n_type: 1 (NT_PRSTATUS) > >                          si.signo: 0  si.code: 0  si.errno: 0 > >                          cursig: 0  sigpend: 0  sighold: 0 > >                          pid: 0  ppid: 0  pgrp: 0  sid:0 > >                          utime: 0.000000  stime: 0.000000 > >                          cutime: 0.000000  cstime: 0.000000 > >                           X0: 00000000000000e0   X1: ffff00007b5f0d80   X2: > >                           ffff > > > > 2c147fe21000 > >                           X3: 000000000007b688   X4: 0000000000000015   X5: > >                           00ff > > > > ffffffffffff > >                           X6: 0000000035f70457   X7: 0000000000000000   X8: > >                           ffff > > > > 00007b5efe3c > >                           X9: ffff80001008beb0  X10: ffff00007b5efe1c  X11: > >                           0000 > > > > 00000000466e > >                          X12: 000000000000466e  X13: 071c71c71c71c71c  X14: > >                          0000 > > > > 000000000000 > >                          X15: 0000000000000000  X16: 0000000000000000  X17: > >                          0000 > > > > 000000000000 > >                          X18: 0000000000000000  X19: 0000001e69147148  X20: > >                          ffff > > > > 000053176800 > >                          X21: 0000000000000001  X22: ffff00007b5efb00  X23: > >                          0000 > > > > 000000000001 > >                          X24: 0000001e68f584b8  X25: ffff00007b5efb00  X26: > >                          ffff > > > > 000053176800 > >                          X27: 0000000000000001  X28: 0000000000000000  X29: > >                          ffff > > > > 80001008bec0 > >                           LR: ffffd3ebfadbbab0   SP: ffff80001008bec0   PC: > >                           ffff > > > > d3ebfadbbab8 > >                          PSTATE: 60000005   FPVALID: 00000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          00000000000000e0 ffff00007b5f0d80 > >                          ffff2c147fe21000 000000000007b688 > >                          0000000000000015 00ffffffffffffff > >                          0000000035f70457 0000000000000000 > >                          ffff00007b5efe3c ffff80001008beb0 > >                          ffff00007b5efe1c 000000000000466e > >                          000000000000466e 071c71c71c71c71c > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000001e69147148 > >                          ffff000053176800 0000000000000001 > >                          ffff00007b5efb00 0000000000000001 > >                          0000001e68f584b8 ffff00007b5efb00 > >                          ffff000053176800 0000000000000001 > >                          0000000000000000 ffff80001008bec0 > >                          ffffd3ebfadbbab0 ffff80001008bec0 > >                          ffffd3ebfadbbab8 0000000060000005 > >                          0000000000000000 > > Elf64_Nhdr: > >                n_namesz: 5 ("CORE") > >                n_descsz: 392 > >                  n_type: 1 (NT_PRSTATUS) > >                          si.signo: 0  si.code: 0  si.errno: 0 > >                          cursig: 0  sigpend: 0  sighold: 0 > >                          pid: 884  ppid: 0  pgrp: 0  sid:0 > >                          utime: 0.000000  stime: 0.000000 > >                          cutime: 0.000000  cstime: 0.000000 > >                           X0: ffff00004de23400   X1: 0000000000000000   X2: > >                           ffff > > > > 00004f58c600 > >                           X3: 0000000000000000   X4: ffffd3ebfbb954b8   X5: > >                           ffff > > > > 00004f58c600 > >                           X6: 0000000000000001   X7: ffff8000102fbbe0   X8: > >                           0000 > > > > 000000000146 > >                           X9: 00000000ffffffd0  X10: ffffd3ebfbb7a120  X11: > >                           0000 > > > > 000005f5e0ff > >                          X12: ffffd3ebfbb90000  X13: ffff8000102fb8f5  X14: > >                          ffff > > > > 8000902fb8e7 > >                          X15: ffffd3ebfbb798c8  X16: 0000000000000000  X17: > >                          0000 > > > > 000000000000 > >                          X18: ffffffffffffffff  X19: ffffd3ebfbb79000  X20: > >                          ffff > > > > d3ebfbb95000 > >                          X21: 0000000000000000  X22: ffffd3ebfbd7a000  X23: > >                          ffff > > > > 8000102fbaf8 > >                          X24: 0000000000000004  X25: 0000000000000000  X26: > >                          ffff > > > > d3ebfbce4000 > >                          X27: 0000000000000000  X28: ffff00004f58c600  X29: > >                          ffff > > > > 8000102fbab0 > >                           LR: ffffd3ebfa58ded8   SP: ffff8000102fbab0   PC: > >                           ffff > > > > d3ebfa58df5c > >                          PSTATE: 60000085   FPVALID: 00000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000374 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          0000000000000000 0000000000000000 > >                          ffff00004de23400 0000000000000000 > >                          ffff00004f58c600 0000000000000000 > >                          ffffd3ebfbb954b8 ffff00004f58c600 > >                          0000000000000001 ffff8000102fbbe0 > >                          0000000000000146 00000000ffffffd0 > >                          ffffd3ebfbb7a120 0000000005f5e0ff > >                          ffffd3ebfbb90000 ffff8000102fb8f5 > >                          ffff8000902fb8e7 ffffd3ebfbb798c8 > >                          0000000000000000 0000000000000000 > >                         ffffffffffffffff ffffd3ebfbb79000 > >                          ffffd3ebfbb95000 0000000000000000 > >                          ffffd3ebfbd7a000 ffff8000102fbaf8 > >                          0000000000000004 0000000000000000 > >                          ffffd3ebfbce4000 0000000000000000 > >                          ffff00004f58c600 ffff8000102fbab0 > >                          ffffd3ebfa58ded8 ffff8000102fbab0 > >                          ffffd3ebfa58df5c 0000000060000085 > >                          0000000000000000 > > Elf64_Nhdr: > >                n_namesz: 11 ("VMCOREINFO") > >                n_descsz: 1939 > >                  n_type: 0 (unused) > >                          OSRELEASE=5.5.0-rc4-00068-gf8631e1 > >                          PAGESIZE=4096 > >                          SYMBOL(init_uts_ns)=ffffd3ebfbb81bf8 > >                          SYMBOL(node_online_map)=ffffd3ebfbb7a3e8 > >                          SYMBOL(swapper_pg_dir)=ffffd3ebfb67a000 > >                          SYMBOL(_stext)=ffffd3ebfa481000 > >                          SYMBOL(vmap_area_list)=ffffd3ebfbb9b258 > >                          SYMBOL(mem_section)=ffff00007b616100 > >                          LENGTH(mem_section)=1024 > >                          SIZE(mem_section)=16 > >                          OFFSET(mem_section.section_mem_map)=0 > >                          SIZE(page)=64 > >                          SIZE(pglist_data)=7936 > >                          SIZE(zone)=1664 > >                          SIZE(free_area)=104 > >                          SIZE(list_head)=16 > >                          SIZE(nodemask_t)=8 > >                          OFFSET(page.flags)=0 > >                          OFFSET(page._refcount)=52 > >                          OFFSET(page.mapping)=24 > >                          OFFSET(page.lru)=8 > >                          OFFSET(page._mapcount)=48 > >                          OFFSET(page.private)=40 > >                          OFFSET(page.compound_dtor)=16 > >                          OFFSET(page.compound_order)=17 > >                          OFFSET(page.compound_head)=8 > >                          OFFSET(pglist_data.node_zones)=0 > >                          OFFSET(pglist_data.nr_zones)=7200 > >                          OFFSET(pglist_data.node_start_pfn)=7208 > >                          OFFSET(pglist_data.node_spanned_pages)=7224 > >                          OFFSET(pglist_data.node_id)=7232 > >                          OFFSET(zone.free_area)=192 > >                          OFFSET(zone.vm_stat)=1472 > >                          OFFSET(zone.spanned_pages)=112 > >                          OFFSET(free_area.free_list)=0 > >                          OFFSET(list_head.next)=0 > >                          OFFSET(list_head.prev)=8 > >                          OFFSET(vmap_area.va_start)=0 > >                          OFFSET(vmap_area.list)=40 > >                          LENGTH(zone.free_area)=11 > >                          SYMBOL(log_buf)=ffffd3ebfbb90b40 > >                          SYMBOL(log_buf_len)=ffffd3ebfbb90b38 > >                          SYMBOL(log_first_idx)=ffffd3ebfbd5566c > >                          SYMBOL(clear_idx)=ffffd3ebfbd55678 > >                          SYMBOL(log_next_idx)=ffffd3ebfbd55668 > >                          SIZE(printk_log)=16 > >                          OFFSET(printk_log.ts_nsec)=0 > >                          OFFSET(printk_log.len)=8 > >                          OFFSET(printk_log.text_len)=10 > >                          OFFSET(printk_log.dict_len)=12 > >                          LENGTH(free_area.free_list)=6 > >                          NUMBER(NR_FREE_PAGES)=0 > >                          NUMBER(PG_lru)=4 > >                          NUMBER(PG_private)=13 > >                          NUMBER(PG_swapcache)=10 > >                          NUMBER(PG_swapbacked)=19 > >                          NUMBER(PG_slab)=9 > >                          NUMBER(PG_hwpoison)=22 > >                          NUMBER(PG_head_mask)=65536 > >                          NUMBER(PAGE_BUDDY_MAPCOUNT_VALUE)=-129 > >                          NUMBER(HUGETLB_PAGE_DTOR)=2 > >                          NUMBER(PAGE_OFFLINE_MAPCOUNT_VALUE)=-257 > >                          NUMBER(VA_BITS)=48 > >                          NUMBER(kimage_voffset)=0xffffd3eb78400000 > >                          NUMBER(PHYS_OFFSET)=0xffffafb780000000 > >                          NUMBER(tcr_el1_t1sz)=0x10 > >                          KERNELOFFSET=53ebea400000 > >                          CRASHTIME=1517155176 > > > > readmem: read_kdump() > > KASLR: > >   _stext from vmlinux: ffff800010081000 > >   _stext from vmcoreinfo: ffffd3ebfa481000 > >   relocate: 53ebea400000 (87998116MB) > > crash: pv_ops exists: ARCH_PVOPS > > vmcoreinfo : vabits_actual: 48 > > using ffffafb780000000 as phys_offset > > kimage_voffset: ffffd3eb78400000 > > phys_offset: ffffafb780000000 > > gdb ../linux/vmlinux > > GNU gdb (GDB) 7.6 > > Copyright (C) 2013 Free Software Foundation, Inc. > > License GPLv3+: GNU GPL version 3 or later > > <https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fgn > > u.org%2Flicenses%2Fgpl.html&amp;data=02%7C01%7Cpoonam.aggrwal%4 0nxp. > > com%7C70d5eb3b36634e3b307008d791fece02%7C686ea1d3bc2b4c6fa92 cd99c5c3 > > 01635%7C0%7C0%7C637138395874009171&amp;sdata=2QCxUXSWxwM GKaGrywc%2Bi > > eBnJVfUvGO3H0okm1uNhcQ%3D&amp;reserved=0> > > This is free software: you are free to change and redistribute it. > > There is NO WARRANTY, to the extent permitted by law.  Type "show copying" > > and "show warranty" for details. > > This GDB was configured as "--host=x86_64-unknown-linux-gnu > > --target=aarch64-elf-linux"... > > > > WARNING: kernel relocated [87998116MB]: patching 135244 gdb > > minimal_symbol values > > > > crash: CONFIG_NR_CPUS: 256 > > crash: CONFIG_HZ: 250 > > crash: # CONFIG_DEBUG_INFO_REDUCED is not set > > cpu_possible_mask: cpus: 0 1 2 3 > > cpu_present_mask: cpus: 0 1 2 3 > >   cpu_online_mask: cpus: 0 1 2 3 > >   cpu_active_mask: cpus: 0 1 2 3 > > xtime timespec.tv_sec: 5a6df368: Sun Jan 28 21:29:36 2018 > > utsname: > >      sysname: Linux > >     nodename: localhost > >      release: 5.5.0-rc4-00068-gf8631e1 > >      version: #18 SMP PREEMPT Fri Jan 3 19:16:28 IST 2020 > >      machine: aarch64 > >   domainname: (none) > > base kernel version: 5.5.0 > > verify_namelist: > > dumpfile /proc/version: > > Linux version 5.5.0-rc4-00068-gf8631e1 > > (mailto:nxa19049@lsv03080.swis.in-blr01.nxp.com) (gcc version 7.3.0 > > (GCC)) > > #18 SMP PREEMPT Fri Jan 3 19:16:28 IST 2020 > > ../linux/vmlinux: > > Linux version 5.5.0-rc4-00068-gf8631e1 > > (mailto:nxa19049@lsv03080.swis.in-blr01.nxp.com) (gcc version 7.3.0 > > (GCC)) > > #18 SMP PREEMPT Fri Jan 3 19:16:28 IST 2020 > > > > crash: get_cpus_present: present: 4 > > hypervisor: (undetermined) > > > > ikconfig: 2550 valid configs. > > SECTION_SIZE_BITS: 30 > > CONFIG_ARM64_VA_BITS: 48 > >       VA_BITS_ACTUAL: 48 > > (calculated) VA_BITS: 48 > > PAGE_OFFSET: ffff000000000000 > >     VA_START: ffff800000000000 > >      modules: ffff800008000000 - ffff80000fffffff > >      vmalloc: ffff800010000000 - fffffdffbffeffff kernel image: > > ffffd3ebfa480000 - ffffd3ebfbdbc000 > >      vmemmap: fffffe0000000000 - ffffffffffffffff > > > > irq_stack_ptr: > >   type: 1, TYPE_CODE_PTR > >   target_typecode: 8, TYPE_CODE_INT > >   target_length: 8 > >   length: 8 > > crash: test msg 2crash: test msg 2 p=7b5b9050 cpunum=0crash: read error: > > kernel virtual address: ffff00007b5b9050  type: "IRQ stack pointer" > > crash: test msg 2 p=7b5cf050 cpunum=1crash: read error: kernel > > virtual > > address: ffff00007b5cf050  type: "IRQ stack pointer" > > crash: test msg 2 p=7b5e5050 cpunum=2crash: read error: kernel > > virtual > > address: ffff00007b5e5050  type: "IRQ stack pointer" > > crash: test msg 2 p=7b5fb050 cpunum=3crash: read error: kernel > > virtual > > address: ffff00007b5fb050  type: "IRQ stack pointer" > > crash: builtin stackframe.sp offset differs from kernel version > > crash: builtin stackframe.pc offset differs from kernel version > > kernel NR_CPUS: 256 > > PAGESIZE=4096 > > mem_section_size = 8192 > > NR_SECTION_ROOTS = 1024 > > NR_MEM_SECTIONS = 262144 > > SECTIONS_PER_ROOT = 256 > > SECTION_ROOT_MASK = 0xff > > PAGES_PER_SECTION = 262144 > > crash: read error: kernel virtual address: ffff00007b616100  type: > > "memory section root table" > > > > Regards > > Poonam > > > > > > >