strace

[Gary E. Miller]

Yo Hal!

On Thu, 01 Jun 2017 22:46:31 -0700
Hal Murray <hmurray at megapathdsl.net> wrote:

> Quoted printable in case you want the real line breaks.

Thanks, that makes the problem obivous:

13335 22:05:33 --- SIGALRM {si_signo=SIGALRM, si_code=SI_KERNEL} ---
13335 22:05:33 rt_sigreturn({mask=[HUP INT QUIT USR1 USR2 ALRM TERM]}) = -1 EINTR (Interrupted system call)
13335 22:05:33 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
13335 22:05:33 write(1, " 1 Jun 22:05:33 ntpd[13335]: dns"..., 68) = 68
13335 22:05:33 write(4, " 1 Jun 22:05:33 ntpd[13335]: dns"..., 68) = 68
13335 22:05:33 rt_sigprocmask(SIG_BLOCK, ~[RTMIN RT_1], [], 8) = 0
13335 22:05:33 mmap(NULL, 8392704, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f007e582000
13335 22:05:33 mprotect(0x7f007e582000, 4096, PROT_NONE) = 10
13335 22:05:33 --- SIGSYS {si_signo=SIGSYS, si_code=SYS_SECCOMP, si_call_addr=0x7f007f4b0e97, si_syscall=__NR_mprotect, si_arch=AUDIT_ARCH_X86_64} ---
13335 22:05:33 +++ killed by SIGSYS +++

SIGSYS happened inside of SIGALRM.  That makes a double fault, which
is uncatchable.

Nothing that can be done about that.

RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
	gem at rellim.com  Tel:+1 541 382 8588

	    Veritas liberabit vos. -- Quid est veritas?
    "If you can’t measure it, you can’t improve it." - Lord Kelvin
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