On (10/18/11 15:49), David C. Rankin wrote: -~> On 10/18/2011 03:05 PM, Leonid Isaev wrote: -~> >Well, a simple search shows that rtkit has an open bug report, -~> >https://bugzilla.redhat.com/show_bug.cgi?id=698040, which explains why you have -~> >its logs in UTC. Regarding the rest, are you saying the system spontaneously -~> >rebooted after a successfull recovery from power outage? Also, what does grep -~> >"system clock" /var/log/messages.log say? -~> -~> Yes, after looking further, the rtc issue didn't bother me. I knew -~> that was just timezone offset stuff. The big issue was the reboot -~> and the 8 hour disparity instead of 5. The system clock -~> information in the logs is puzzling as well: -~> -~> 15:45 providence:~> sudo grep 'system clock' /var/log/everything.log -~> Oct 18 17:28:06 providence kernel: [ 1.676407] rtc_cmos 00:05: -~> setting system clock to 2011-10-18 22:27:16 UTC (1318976836) -~> Oct 18 19:15:10 providence kernel: [ 1.676460] rtc_cmos 00:05: -~> setting system clock to 2011-10-19 00:14:30 UTC (1318983270) -~> Oct 18 20:26:06 providence kernel: [ 1.676356] rtc_cmos 00:05: -~> setting system clock to 2011-10-19 01:25:40 UTC (1318987540) -~> Oct 18 20:28:10 providence kernel: [ 1.676507] rtc_cmos 00:05: -~> setting system clock to 2011-10-19 01:27:56 UTC (1318987676) -~> Oct 18 20:37:40 providence kernel: [ 1.676403] rtc_cmos 00:05: -~> setting system clock to 2011-10-19 01:37:26 UTC (1318988246) -~> -~> That's 3 spontaneous reboots in 11 minutes. Something is really off. -~> -~> -- -~> David C. Rankin, J.D.,P.E. Nothing puzzling here: the kernel is working correctly but your RTC is wrong (no idea how this could happen though). If by "spontaneous" you mean "no errors in the logs", then it's a hardware problem. As a first step, I would kill apcupsd and get rid of UPS. -- Leonid Isaev GnuPG key ID: 164B5A6D Key fingerprint: C0DF 20D0 C075 C3F1 E1BE 775A A7AE F6CB 164B 5A6D