[ntp:questions] NTP 4.2.7p255 drops core on FreeBSD 8.2

Thomas Laus lausts at acm.org
Tue Feb 21 14:37:27 UTC 2012


Something with NTPD has changed between version 4.2.7p249 and version 4.2.7p255
that causes the ntp daemon to exit on a signal 11 and drop core.  My configur-
ation files have not changed in several months and the FBSD base system ntpd
will still start after the 4.2.7p255 aborts.  I tried starting ntpd with a
debug flag and I see the dialog with my Oncore receiver and every other line
is a 'interrupted system call' message.

My system information:

Feb  4 17:04:48 mail kernel: FreeBSD 8.2-STABLE #0: Sat Feb  4 16:56:56 EST 2012
Feb  4 17:04:48 mail kernel: Timecounter "i8254" frequency 1193182 Hz quality 0
Feb  4 17:04:48 mail kernel: CPU: Intel(R) Atom(TM) CPU D510   @ 1.66GHz (1672.67-MHz K8-class CPU)
Feb  4 17:04:48 mail kernel: Origin = "GenuineIntel"  Id = 0x106ca  Family = 6  Model = 1c  Stepping = 10
Feb  4 17:04:48 mail kernel: Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
Feb  4 17:04:48 mail kernel: Features2=0x40e31d<SSE3,DTES64,MON,DS_CPL,TM2,SSSE3,CX16,xTPR,PDCM,MOVBE>
Feb  4 17:04:48 mail kernel: AMD Features=0x20100800<SYSCALL,NX,LM>
Feb  4 17:04:48 mail kernel: AMD Features2=0x1<LAHF>
Feb  4 17:04:48 mail kernel: TSC: P-state invariant
Feb  4 17:04:48 mail kernel: FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
Feb  4 17:04:48 mail kernel: FreeBSD/SMP: 1 package(s) x 2 core(s) x 2 HTT threads
Feb  4 17:04:49 mail ntpd[1011]: ntpd 4.2.7p249 at 1.2483 Tue Jan 24 20:04:47 UTC 2012 (1)
Feb  4 17:04:49 mail ntpd[1011]: proto: precision = 1.676 usec (-19)

This is the system message log for ntpd 4.2.7p255:

Feb 18 17:24:00 mail ntpd[994]: ntpd 4.2.7p255 at 1.2483 Wed Feb  8 16:48:02 UTC 2012 (1)
Feb 18 17:24:00 mail kernel: pid 995 (ntpd), uid 0: exited on signal 11 (core dumped)

I don't know what additional information can I gather before filing a bug
report.  Is anyone else able to start ntpd version 4.2.7p255 on FreeBSD?

Tom

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