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Description
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mdb dumped core:
akash-ar# mdb core.mdb.129468
mdb: debugger failed with error: fatal signal received
Loading modules: [ libumem.so.1 libc.so.1 libproc.so.1 ld.so.1 ]
> ::showrev
Hostname: akash-ar
Release: 5.11
Kernel architecture: i86pc
Application architecture: amd64
Kernel version: xxxxx OS 5.11 i86pc fw_30
Platform: i86pc
> $r
%rax = 0x0000000000000000 %r8 = 0x00000000004ce810
%rbx = 0x0000000000000001 %r9 = 0x00000000000000d3
%rcx = 0x0000000000000000 %r10 = 0xfffffd7fff381300
%rdx = 0xfffffd7fff3813e0 %r11 = 0x0000000000000be8
%rsi = 0xfffffd7fff381748 %r12 = 0x0000000000000000
%rdi = 0xdefacedddefacedd %r13 = 0x0000000000493460
%r14 = 0xfffffd7fff20fec0
%r15 = 0x000000000048eebe
%cs = 0x0053 %fs = 0x0000 %gs = 0x0000
%ds = 0x004b %es = 0x004b %ss = 0x004b
%rip = 0x0000000000449d60 mdb_nv_destroy+0x40
%rbp = 0xfffffd7fff3812a0
%rsp = 0xfffffd7fff381280
%rflags = 0x00010286
id=0 vip=0 vif=0 ac=0 vm=0 rf=1 nt=0 iopl=0x0
status=<of,df,IF,tf,SF,zf,af,PF,cf>
%gsbase = 0x0000000000000000
%fsbase = 0xfffffd7fff2c0200
%trapno = 0xd
%err = 0x0
> $c
mdb_nv_destroy+0x40()
mdb_macalias_destroy+0x10()
mdb_destroy+0x12()
terminate+0x10()
sig_stub+0x19()
libc.so.1`__sighndlr+6()
libc.so.1`call_user_handler+0x314()
libc.so.1`sigacthandler+0xd7(1, fffffd7fff381748, fffffd7fff3813e0)
libc.so.1`__sigresend+0xa()
libc.so.1`do_exit_critical+0xd7()
libc.so.1`_ti_bind_clear+0x6f()
ld.so.1`rt_bind_clear+0x39()
ld.so.1`leave+0x160()
ld.so.1`dlclose+0x4b()
mdb_module_unload_common+0x25a()
mdb_module_unload+0x32()
mdb_module_unload_all+0x27()
mdb_destroy+0x34()
terminate+0x10()
sig_stub+0x19()
libc.so.1`__sighndlr+6()
libc.so.1`call_user_handler+0x314()
libc.so.1`sigacthandler+0xd7(f, fffffd7fff381ef0, fffffd7fff381b90)
termio_read+0x9e()
iob_read+0x43()
mdb_iob_getc+0x2c()
input+0x10()
yylook+0x9a()
yylex+0x11()
yyparse+0x14d()
mdb_run+0x285()
main+0x1107()
0x42536c()
> ::status
debugging core file of mdb (64-bit) from akash-ar
file: /usr/bin/amd64/mdb
initial argv: mdb 0
threading model: native threads
status: process terminated by SIGSEGV (Segmentation Fault)
> ::quit
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