Asterisk crash on CentOS 7.4

Asterisk Asterisk Support
1

Hi,

I see a crash with Asterisk 13.13-cert1 on CentOS 7.4 very early in the startup process:

(gdb) run -cvvv
Starting program: /sbin/asterisk -cvvv
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Program received signal SIGILL, Illegal instruction.
0x00000000005bfd19 in tzload ()
Missing separate debuginfos, use: debuginfo-install foo.x86_64
(gdb) bt
#0  0x00000000005bfd19 in tzload ()
#1  0x00000000005c0bb7 in ast_tzset ()
#2  0x00000000005c3a18 in ast_localtime ()
#3  0x000000000052d6d6 in ast_log_full ()
#4  0x000000000052f4e0 in ast_log_callid ()
#5  0x000000000052f72f in __ast_verbose_ap ()
#6  0x000000000052fa68 in __ast_verbose ()
#7  0x00000000004532cb in print_intro_message ()
#8  0x0000000000434cdf in main ()

The problem does not occur with CentOS 7.3.

I ran strace with CentOS 7.3 and I see this:

access("/etc/localtime", R_OK)          = 0
open("/etc/localtime", O_RDONLY)        = 3
read(3, "TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\4\0\0\0\4\0\0\0\0"..., 41992) = 1892
close(3)                                = 0
open("/usr/share/zoneinfo/posixrules", O_RDONLY) = 3
read(3, "TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\4\0\0\0\4\0\0\0\0"..., 41992) = 3519
close(3)                                = 0
gettid()                                = 27501
futex(0x8a1ff0, FUTEX_WAKE_PRIVATE, 2147483647) = 0
write(1, "Asterisk certified/13.13-cert1, "..., 84Asterisk certified/13.13-cert1, Copyright (C) 1999 - 2014, Digium, Inc. and others.
) = 84
write(1, "Created by Mark Spencer <markste"..., 46Created by Mark Spencer markster@digium.com
) = 46
write(1, "Asterisk comes with ABSOLUTELY N"..., 83Asterisk comes with ABSOLUTELY NO WARRANTY; type 'core show warranty' for details.

On CentOS 7.4, asterisk closes /etc/localtime, but then crashes:

access("/etc/localtime", R_OK)          = 0
open("/etc/localtime", O_RDONLY)        = 3
read(3, "TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\6\0\0\0\6\0\0\0\0"..., 41992) = 3559
close(3)                                = 0
--- SIGILL {si_signo=SIGILL, si_code=ILL_ILLOPN, si_addr=0x5bfd19} ---
+++ killed by SIGILL (core dumped) +++
Illegal instruction

I tried on different hardware, but Asterisk 13.13-cert1 always crashed with CentOS 7.4.
Any idea what the problem may be?

Regards,
Ouss

2

Are you compiling from source? Did you try with build native disabled in make menuselect?

3

Yes, I compile from source. Seems like he stumbles over the vxorpd instruction:

Program received signal SIGILL, Illegal instruction.
0x00000000005e5302 in timesub ()
Missing separate debuginfos, use: debuginfo-install foo.x86_64
(gdb) bt
#0  0x00000000005e5302 in timesub ()
#1  0x00000000005e47cb in localsub ()
#2  0x00000000005e4866 in ast_localtime ()
#3  0x000000000054271e in ast_log_full ()
#4  0x00000000005432ef in ast_log_callid ()
#5  0x0000000000543691 in __ast_verbose_ap ()
#6  0x0000000000543771 in __ast_verbose ()
#7  0x000000000045ab9c in print_intro_message ()
#8  0x000000000045c514 in asterisk_daemon ()
#9  0x000000000045c14b in main ()
(gdb) disassemble 0x00000000005e5300, +32
Dump of assembler code from 0x5e5300 to 0x5e5320:
   0x00000000005e5300 <timesub+927>:    add    %eax,(%rax)
=> 0x00000000005e5302 <timesub+929>:    vxorpd %xmm0,%xmm0,%xmm0
   0x00000000005e5306 <timesub+933>:    vcvtsi2sd %rax,%xmm0,%xmm0
   0x00000000005e530b <timesub+938>:    vmovsd 0x8d2c5(%rip),%xmm1        # 0x6725d8
   0x00000000005e5313 <timesub+946>:    vaddsd %xmm1,%xmm0,%xmm0
   0x00000000005e5317 <timesub+950>:    vcvttsd2si %xmm0,%rax
   0x00000000005e531c <timesub+955>:    mov    %rax,-0x50(%rbp)
End of assembler dump.

The instruction seems to be related to the avx CPU feature.

I did not yet try to compile with build native disabled.