Date: Thu, 19 Feb 2004 21:55:11 -0800 From: Kris Kennaway <kris@obsecurity.org> To: alpha@FreeBSD.org Cc: current@FreeBSD.org Subject: System clock dying Message-ID: <20040220055511.GA25720@xor.obsecurity.org>
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Some of the alpha package machines are sporadically having their
system clock die (date does not advance, etc). Nothing is logged on
the system console about this.
FreeBSD 5.2-CURRENT #0: Wed Jan 21 13:30:26 PST 2004
kris@bento.FreeBSD.org:/local0/obj/alpha/a/asami/portbuild/alpha/src-client/sys/NETBOOT
Preloaded elf kernel "kernel" at 0xfffffc0000794000.
ST6600
COMPAQ AlphaServer DS10 466 MHz, 462MHz
8192 byte page size, 1 processor.
CPU: EV6 (21264) major=8 minor=4 extensions=0x303<BWX,FIX,MVI,PRECISE>
...
mcclock0: <MC146818A real time clock> at port 0x70-0x71 on isa0
...
Timecounter "i8254" frequency 1193182 Hz quality 0
Timecounter "alpha" frequency 462381170 Hz quality 0
Timecounters tick every 0.976 msec
axp0# sysctl -a | grep timecounter
kern.timecounter.nbinuptime: 3517262484
kern.timecounter.nnanouptime: 2
kern.timecounter.nmicrouptime: 24788003
kern.timecounter.nbintime: 26377501
kern.timecounter.nnanotime: 154881
kern.timecounter.nmicrotime: 26222620
kern.timecounter.ngetbinuptime: 0
kern.timecounter.ngetnanouptime: 393423
kern.timecounter.ngetmicrouptime: 100798770
kern.timecounter.ngetbintime: 0
kern.timecounter.ngetnanotime: 0
kern.timecounter.ngetmicrotime: 11
kern.timecounter.nsetclock: 2
kern.timecounter.hardware: alpha
kern.timecounter.choice: alpha(0) i8254(0) dummy(-1000000)
kern.timecounter.tick: 1
axp0# sysctl -a | grep timecounter
kern.timecounter.nbinuptime: 3517281708
kern.timecounter.nnanouptime: 2
kern.timecounter.nmicrouptime: 24788014
kern.timecounter.nbintime: 26377530
kern.timecounter.nnanotime: 154887
kern.timecounter.nmicrotime: 26222643
kern.timecounter.ngetbinuptime: 0
kern.timecounter.ngetnanouptime: 393552
kern.timecounter.ngetmicrouptime: 100798780
kern.timecounter.ngetbintime: 0
kern.timecounter.ngetnanotime: 0
kern.timecounter.ngetmicrotime: 11
kern.timecounter.nsetclock: 2
kern.timecounter.hardware: alpha
kern.timecounter.choice: alpha(0) i8254(0) dummy(-1000000)
kern.timecounter.tick: 1
(Some of) these seem to be updating, but date isn't.
axp0# date
Thu Feb 19 06:58:21 PST 2004
axp0# date
Thu Feb 19 06:58:21 PST 2004
Kris
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