Date: Sun, 05 Dec 2010 20:30:11 -0600 From: "James R. Van Artsdalen" <james-freebsd-current@jrv.org> To: FreeBSD Current <freebsd-current@freebsd.org> Subject: ts_to_ct messages; ntp: time correction of -1200 seconds exceeds sanity limit Message-ID: <4CFC4AB3.4090604@jrv.org>
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FreeBSD gohorns.x 9.0-CURRENT FreeBSD 9.0-CURRENT #1 r216088: Thu Dec 2 23:20:14 CST 2010 root@gohorns.x:/usr/obj/usr/src/sys/GENERIC amd64 I have been getting a lot of ts_to_ct for months: are we supposed to look for something or report anything about these? I just noticed an NTP error in /var/log/messages: ... Dec 4 02:52:18 gohorns kernel: ts_to_ct(1291431138.717914676) = [2010-12-04 02:52:18] Dec 4 03:09:05 gohorns ntpd[1934]: time reset +2.018106 s Dec 4 03:09:05 gohorns kernel: ts_to_ct(1291432145.779273676) = [2010-12-04 03:09:05] Dec 4 03:11:40 gohorns kernel: ts_to_ct(1291432301.024288164) = [2010-12-04 03:11:41] Dec 4 03:45:36 gohorns ntpd[1934]: time reset +1.976613 s Dec 4 03:45:36 gohorns kernel: ts_to_ct(1291434336.662385061) = [2010-12-04 03:45:36] Dec 4 03:45:36 gohorns ntpd[1934]: kernel time sync status change 6001 Dec 4 03:45:36 gohorns kernel: ts_to_ct(1291434336.712917848) = [2010-12-04 03:45:36] Dec 4 03:46:38 gohorns ntpd[1934]: time correction of -1200 seconds exceeds sanity limit (1000); set clock manually to the correct UTC time. Dec 4 04:15:36 gohorns kernel: ts_to_ct(1291436136.712892982) = [2010-12-04 04:15:36] Dec 4 04:45:36 gohorns kernel: ts_to_ct(1291437936.712891437) = [2010-12-04 04:45:36] Dec 4 05:15:36 gohorns kernel: ts_to_ct(1291439736.712890731) = [2010-12-04 05:15:36] ... At "Sun Dec 5 19:56:19 CST 2010" according to other systems, this machine says the time is gohorns:/root# date Sun Dec 5 20:11:01 CST 2010 gohorns:/root# Has anyone seen anything like this? Suggestions on what to look for as a cause? The system is a Dell Zino HD, dmesg: CPU: AMD Athlon(tm) Neo X2 Dual Core Processor 6850e (1800.10-MHz K8-class CPU) Origin = "AuthenticAMD" Id = 0x60fb2 Family = f Model = 6b Stepping = 2 Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT> Features2=0x2001<SSE3,CX16> AMD Features=0xea500800<SYSCALL,NX,MMX+,FFXSR,RDTSCP,LM,3DNow!+,3DNow!> AMD Features2=0x11f<LAHF,CMP,SVM,ExtAPIC,CR8,Prefetch> TSC: P-state invariant
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