View Issue Details

IDProjectCategoryView StatusLast Update
0016366CentOS-7[All Projects] generalpublic2019-08-29 05:24
Reporteratul7799 
PriorityurgentSeveritycrashReproducibilityunable to reproduce
Status newResolutionopen 
Product Version7.6.1810 
Target VersionFixed in Version 
Summary0016366: "divide error: 0000 [#1] PREEMPT SMP ", [exception RIP: fbcon_init+433]
Descriptionkernel : 3.10.0-957.5.1.rt56.916.el7.x86_64

system got crashed and core dump generated.

below is the reason for the panic according to the core dump

  RELEASE: 3.10.0-957.5.1.rt56.916.el7.x86_64
     VERSION: #1 SMP PREEMPT RT Mon Feb 4 16:33:22 UTC 2019
     MACHINE: x86_64 (2000 Mhz)
      MEMORY: 15.9 GB
       PANIC: "divide error: 0000 [#1] PREEMPT SMP "
 COMMAND: "(agetty)"
---------------
bt showed the exception:

crash> bt
PID: 7167 TASK: ffffa0056bbb10c0 CPU: 5 COMMAND: "(agetty)"
 #0 [ffffa00592fa3720] machine_kexec at ffffffff8da538a4
 #1 [ffffa00592fa3780] __crash_kexec at ffffffff8db121b2
 #2 [ffffa00592fa3850] crash_kexec at ffffffff8db122a0
 #3 [ffffa00592fa3868] oops_end at ffffffff8e15d708
 #4 [ffffa00592fa3890] die at ffffffff8da1ed5b
 #5 [ffffa00592fa38c0] do_trap at ffffffff8e15ce50
 #6 [ffffa00592fa3910] do_divide_error at ffffffff8da1b22e
 #7 [ffffa00592fa39c0] divide_error at ffffffff8e16831e
    [exception RIP: fbcon_init+433]
    RIP: ffffffff8dde92e1 RSP: ffffa00592fa3a70 RFLAGS: 00010246
    RAX: 0000000000000780 RBX: 0000000000000080 RCX: 0000000000000000
    RDX: 0000000000000000 RSI: ffffa00666e7f000 RDI: ffffa00668bc7200
    RBP: ffffa00592fa3ab8 R8: 0000000000000780 R9: 00000000000004b0
    R10: 0000000000000000 R11: 0000000000000000 R12: ffffa0053fd18400
    R13: ffffa00666e7f000 R14: ffffa0063b769400 R15: ffffa00668bc7200
    ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
--------------------------
Steps To ReproduceUnable to reproduce
Additional InformationI have attached the output of the sys, bt and dis command.

Please let me know if other information is required
TagsNo tags attached.
abrt_hash
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atul7799

atul7799

2019-08-29 05:24

reporter  

vmcore.txt (13,521 bytes)
      KERNEL: /usr/lib/debug/lib/modules/3.10.0-957.5.1.rt56.916.el7.x86_64/vmlinux
    DUMPFILE: 127.0.0.1-2019-08-08-13:10:36/vmcore  [PARTIAL DUMP]
        CPUS: 8
        DATE: Thu Aug  8 13:10:27 2019
      UPTIME: 30 days, 01:41:51
LOAD AVERAGE: 2.75, 3.06, 2.44
       TASKS: 940
    NODENAME: smaut04.localdomain
     RELEASE: 3.10.0-957.5.1.rt56.916.el7.x86_64
     VERSION: #1 SMP PREEMPT RT Mon Feb 4 16:33:22 UTC 2019
     MACHINE: x86_64  (2000 Mhz)
      MEMORY: 15.9 GB
       PANIC: "divide error: 0000 [#1] PREEMPT SMP "
         PID: 7167
     COMMAND: "(agetty)"
        TASK: ffffa0056bbb10c0  [THREAD_INFO: ffffa00592fa0000]
         CPU: 5
       STATE: TASK_RUNNING (PANIC)
------------------------------------------------------------------------------------------------------
crash> bt
PID: 7167   TASK: ffffa0056bbb10c0  CPU: 5   COMMAND: "(agetty)"
 #0 [ffffa00592fa3720] machine_kexec at ffffffff8da538a4
 #1 [ffffa00592fa3780] __crash_kexec at ffffffff8db121b2
 #2 [ffffa00592fa3850] crash_kexec at ffffffff8db122a0
 #3 [ffffa00592fa3868] oops_end at ffffffff8e15d708
 #4 [ffffa00592fa3890] die at ffffffff8da1ed5b
 #5 [ffffa00592fa38c0] do_trap at ffffffff8e15ce50
 #6 [ffffa00592fa3910] do_divide_error at ffffffff8da1b22e
 #7 [ffffa00592fa39c0] divide_error at ffffffff8e16831e
    [exception RIP: fbcon_init+433]
    RIP: ffffffff8dde92e1  RSP: ffffa00592fa3a70  RFLAGS: 00010246
    RAX: 0000000000000780  RBX: 0000000000000080  RCX: 0000000000000000
    RDX: 0000000000000000  RSI: ffffa00666e7f000  RDI: ffffa00668bc7200
    RBP: ffffa00592fa3ab8   R8: 0000000000000780   R9: 00000000000004b0
    R10: 0000000000000000  R11: 0000000000000000  R12: ffffa0053fd18400
    R13: ffffa00666e7f000  R14: ffffa0063b769400  R15: ffffa00668bc7200
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
 #8 [ffffa00592fa3ac0] visual_init at ffffffff8de53dd0
 #9 [ffffa00592fa3ae8] vc_allocate at ffffffff8de5722f
#10 [ffffa00592fa3b38] con_install at ffffffff8de57339
#11 [ffffa00592fa3b70] tty_init_dev at ffffffff8de40bdb
#12 [ffffa00592fa3ba0] tty_open at ffffffff8de4128f
#13 [ffffa00592fa3c10] chrdev_open at ffffffff8dc32ebe
#14 [ffffa00592fa3c50] do_dentry_open at ffffffff8dc2ad0a
#15 [ffffa00592fa3c98] vfs_open at ffffffff8dc2aeda
#16 [ffffa00592fa3cc0] do_last at ffffffff8dc3db2d
#17 [ffffa00592fa3d60] path_openat at ffffffff8dc3ecdd
#18 [ffffa00592fa3e08] do_filp_open at ffffffff8dc4075d
#19 [ffffa00592fa3ee0] do_sys_open at ffffffff8dc2c3d7
#20 [ffffa00592fa3f40] sys_open at ffffffff8dc2c4fe
#21 [ffffa00592fa3f50] tracesys at ffffffff8e1652dd (via system_call)
    RIP: 00007fb7e2d1ae9d  RSP: 00007ffca0596560  RFLAGS: 00000293
    RAX: ffffffffffffffda  RBX: 0000000000000015  RCX: ffffffffffffffff
    RDX: 0000000000000000  RSI: 0000000000080902  RDI: 000055f4e10dd9f0
    RBP: 00007ffca0596830   R8: 0000000000000001   R9: 000055f4e10f9476
    R10: 00000000000000e0  R11: 0000000000000293  R12: 0000000000080902
    R13: 000055f4e10dd9f0  R14: 0000000000000000  R15: 00007ffca0596a10
    ORIG_RAX: 0000000000000002  CS: 0033  SS: 002b


---------------------------------------------------------------------------------------------------------------
crash> dis -lr ffffffff8dde92e1
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1050
0xffffffff8dde9130 <fbcon_init>:        nopl   0x0(%rax,%rax,1) [FTRACE NOP]
0xffffffff8dde9135 <fbcon_init+5>:      push   %rbp
0xffffffff8dde9136 <fbcon_init+6>:      mov    %rsp,%rbp
0xffffffff8dde9139 <fbcon_init+9>:      push   %r15
0xffffffff8dde913b <fbcon_init+11>:     push   %r14
0xffffffff8dde913d <fbcon_init+13>:     mov    %rdi,%r14
0xffffffff8dde9140 <fbcon_init+16>:     push   %r13
0xffffffff8dde9142 <fbcon_init+18>:     push   %r12
0xffffffff8dde9144 <fbcon_init+20>:     push   %rbx
0xffffffff8dde9145 <fbcon_init+21>:     sub    $0x20,%rsp
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1051
0xffffffff8dde9149 <fbcon_init+25>:     movzwl 0x200(%rdi),%ebx
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1059
0xffffffff8dde9150 <fbcon_init+32>:     cmpl   $0xffffffff,0x925371(%rip)        # 0xffffffff8e70e4c8
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1050
0xffffffff8dde9157 <fbcon_init+39>:     mov    %esi,-0x2c(%rbp)
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1051
0xffffffff8dde915a <fbcon_init+42>:     movsbq -0x712db8e0(%rbx),%rax
0xffffffff8dde9162 <fbcon_init+50>:     mov    -0x7186f8e0(,%rax,8),%r13
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1054
0xffffffff8dde916a <fbcon_init+58>:     mov    0x3b8(%rdi),%rax
0xffffffff8dde9171 <fbcon_init+65>:     mov    (%rax),%r12
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1059
0xffffffff8dde9174 <fbcon_init+68>:     je     0xffffffff8dde9394 <fbcon_init+612>
0xffffffff8dde917a <fbcon_init+74>:     test   %r13,%r13
0xffffffff8dde917d <fbcon_init+77>:     je     0xffffffff8dde9394 <fbcon_init+612>
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1062
0xffffffff8dde9183 <fbcon_init+83>:     mov    0x8(%r13),%eax
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1064
0xffffffff8dde9187 <fbcon_init+87>:     cmp    %r12,%rdi
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1066
0xffffffff8dde918a <fbcon_init+90>:     movl   $0x0,-0x30(%rbp)
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1062
0xffffffff8dde9191 <fbcon_init+97>:     mov    %eax,-0x34(%rbp)
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1064
0xffffffff8dde9194 <fbcon_init+100>:    je     0xffffffff8dde94d0 <fbcon_init+928>
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1055
0xffffffff8dde919a <fbcon_init+106>:    shl    $0x7,%rbx
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1068
0xffffffff8dde919e <fbcon_init+110>:    lea    0x60(%r13),%r15
0xffffffff8dde91a2 <fbcon_init+114>:    mov    %r13,%rdx
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1055
0xffffffff8dde91a5 <fbcon_init+117>:    lea    -0x712db8a0(%rbx),%rdi
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1068
0xffffffff8dde91ac <fbcon_init+124>:    mov    %r15,%rsi
0xffffffff8dde91af <fbcon_init+127>:    callq  0xffffffff8dde3f50 <var_to_display>
0xffffffff8dde91b4 <fbcon_init+132>:    test   %eax,%eax
0xffffffff8dde91b6 <fbcon_init+134>:    jne    0xffffffff8dde9394 <fbcon_init+612>
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1071
0xffffffff8dde91bc <fbcon_init+140>:    cmpq   $0x0,0x430(%r13)
0xffffffff8dde91c4 <fbcon_init+148>:    je     0xffffffff8dde95a0 <fbcon_init+1136>
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1077
0xffffffff8dde91ca <fbcon_init+154>:    cmpq   $0x0,-0x712db8a0(%rbx)
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1076
0xffffffff8dde91d2 <fbcon_init+162>:    movslq 0xf3ed1b(%rip),%rax        # 0xffffffff8ed27ef4
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1077
0xffffffff8dde91d9 <fbcon_init+169>:    je     0xffffffff8dde93a8 <fbcon_init+632>
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1105
0xffffffff8dde91df <fbcon_init+175>:    mov    -0x712db898(%rbx),%edi
0xffffffff8dde91e5 <fbcon_init+181>:    test   %edi,%edi
0xffffffff8dde91e7 <fbcon_init+183>:    je     0xffffffff8dde9410 <fbcon_init+736>
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1106
0xffffffff8dde91ed <fbcon_init+189>:    mov    -0x712db8a0(%rbx),%rax
0xffffffff8dde91f4 <fbcon_init+196>:    mov    -0xc(%rax),%eax
0xffffffff8dde91f7 <fbcon_init+199>:    mov    %eax,-0x38(%rbp)
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1108
0xffffffff8dde91fa <fbcon_init+202>:    mov    0x8(%r13),%eax
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1109
0xffffffff8dde91fe <fbcon_init+206>:    lea    0x100(%r13),%rsi
0xffffffff8dde9205 <fbcon_init+213>:    mov    %r15,%rdi
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1108
0xffffffff8dde9208 <fbcon_init+216>:    shr    $0x15,%eax
0xffffffff8dde920b <fbcon_init+219>:    and    $0x1,%eax
0xffffffff8dde920e <fbcon_init+222>:    mov    %al,0x3d0(%r14)
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1109
0xffffffff8dde9215 <fbcon_init+229>:    callq  0xffffffff8dddacc0 <fb_get_color_depth>
0xffffffff8dde921a <fbcon_init+234>:    cmp    $0x1,%eax
0xffffffff8dde921d <fbcon_init+237>:    movzbl 0x343(%r14),%eax
0xffffffff8dde9225 <fbcon_init+245>:    setne  %dl
0xffffffff8dde9228 <fbcon_init+248>:    and    $0xfffffffe,%eax
0xffffffff8dde922b <fbcon_init+251>:    or     %edx,%eax
0xffffffff8dde922d <fbcon_init+253>:    mov    %al,0x343(%r14)
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1110
0xffffffff8dde9234 <fbcon_init+260>:    and    $0x1,%eax
0xffffffff8dde9237 <fbcon_init+263>:    cmp    $0x1,%al
0xffffffff8dde9239 <fbcon_init+265>:    sbb    %edx,%edx
0xffffffff8dde923b <fbcon_init+267>:    and    $0x9100,%dx
0xffffffff8dde9240 <fbcon_init+272>:    add    $0x7700,%dx
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1111
0xffffffff8dde9245 <fbcon_init+277>:    cmpl   $0x100,-0x38(%rbp)
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1110
0xffffffff8dde924c <fbcon_init+284>:    mov    %dx,0x258(%r14)
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1111
0xffffffff8dde9254 <fbcon_init+292>:    je     0xffffffff8dde94b8 <fbcon_init+904>
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1114
0xffffffff8dde925a <fbcon_init+298>:    mov    $0x100,%ecx
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1115
0xffffffff8dde925f <fbcon_init+303>:    test   %al,%al
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1114
0xffffffff8dde9261 <fbcon_init+305>:    mov    %cx,0x278(%r14)
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1115
0xffffffff8dde9269 <fbcon_init+313>:    jne    0xffffffff8dde9420 <fbcon_init+752>
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1119
0xffffffff8dde926f <fbcon_init+319>:    mov    0x3c8(%r12),%rax
0xffffffff8dde9277 <fbcon_init+327>:    cmpq   $0x0,(%rax)
0xffffffff8dde927b <fbcon_init+331>:    je     0xffffffff8dde943c <fbcon_init+780>
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1121
0xffffffff8dde9281 <fbcon_init+337>:    mov    0x3c8(%r14),%rax
0xffffffff8dde9288 <fbcon_init+344>:    cmpq   $0x0,(%rax)
0xffffffff8dde928c <fbcon_init+348>:    je     0xffffffff8dde9455 <fbcon_init+805>
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1124
0xffffffff8dde9292 <fbcon_init+354>:    mov    0x430(%r13),%r15
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1125
0xffffffff8dde9299 <fbcon_init+361>:    mov    0xf3b3a5(%rip),%eax        # 0xffffffff8ed24644
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1126
0xffffffff8dde929f <fbcon_init+367>:    mov    %r13,%rsi
0xffffffff8dde92a2 <fbcon_init+370>:    mov    %r14,%rdi
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1125
0xffffffff8dde92a5 <fbcon_init+373>:    mov    %eax,-0x712db884(%rbx)
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1126
0xffffffff8dde92ab <fbcon_init+379>:    callq  0xffffffff8dde3ee0 <set_blitting_type>
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1130
0xffffffff8dde92b0 <fbcon_init+384>:    testl  $0xfffffffd,0x1b4(%r15)
0xffffffff8dde92bb <fbcon_init+395>:    mov    0x60(%r13),%eax
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1128
0xffffffff8dde92bf <fbcon_init+399>:    mov    0x204(%r14),%r10d
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1129
0xffffffff8dde92c6 <fbcon_init+406>:    mov    0x208(%r14),%ecx
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1130
0xffffffff8dde92cd <fbcon_init+413>:    mov    0x64(%r13),%r9d
0xffffffff8dde92d1 <fbcon_init+417>:    mov    %eax,%r8d
0xffffffff8dde92d4 <fbcon_init+420>:    je     0xffffffff8dde92dc <fbcon_init+428>
0xffffffff8dde92d6 <fbcon_init+422>:    mov    %r9d,%r8d
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1131
0xffffffff8dde92d9 <fbcon_init+425>:    mov    %eax,%r9d
/usr/src/debug/kernel-3.10.0/linux-3.10.0.x86_64/drivers/video/console/fbcon.c: 1132
0xffffffff8dde92dc <fbcon_init+428>:    mov    %r8d,%eax
0xffffffff8dde92df <fbcon_init+431>:    xor    %edx,%edx
0xffffffff8dde92e1 <fbcon_init+433>:    divl   0x280(%r14)
vmcore.txt (13,521 bytes)

Issue History

Date Modified Username Field Change
2019-08-29 05:24 atul7799 New Issue
2019-08-29 05:24 atul7799 File Added: vmcore.txt