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Looking at syslogs messages getting set_rtc_mmss: can't update from x to x - kernel

Hello,

   Im just looking at the syslogs im getting from the fabrics.

   I noticed alot of warning about :

%DAEMON-5-SYSTEM_MSG: time reset +0.257072 s - ntpd[5315]

%KERN-4-SYSTEM_MSG: set_rtc_mmss: can't update from 49 to 0 - kernel

%KERN-4-SYSTEM_MSG: set_rtc_mmss: nowtime=1339758026, save_control=0x82, save_freq_select=0x72 - kernel

   To me it looks like the kernel complains when the time get updated by NTP. Someone have those entries in logs also?

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Cisco Employee

Re: Looking at syslogs messages getting set_rtc_mmss: can't upda

Would help to have the version of UCSM you're running.

There's an open bug on a similar issue: CSCti71838   - %KERN-4-SYSTEM_MSG: set_rtc_mmss: can't update from 52 to 6 - kernel

It's a general Nexus OS NTP bug, not specific to UCS.  At this stage it appears purely cosmetic and does not affect the system.  The bug is still in the "new" state.  Please monitor the bug toolkit for updates.

Can you also check that the delta between the UCS current time and NTP server are less than 30min?

I'd suggest you open a quick TAC case, provide the output and request your case be linked to this bug.  This will increase the priority to have it resolved.

Regards,

Robert

2 REPLIES
Cisco Employee

Re: Looking at syslogs messages getting set_rtc_mmss: can't upda

Would help to have the version of UCSM you're running.

There's an open bug on a similar issue: CSCti71838   - %KERN-4-SYSTEM_MSG: set_rtc_mmss: can't update from 52 to 6 - kernel

It's a general Nexus OS NTP bug, not specific to UCS.  At this stage it appears purely cosmetic and does not affect the system.  The bug is still in the "new" state.  Please monitor the bug toolkit for updates.

Can you also check that the delta between the UCS current time and NTP server are less than 30min?

I'd suggest you open a quick TAC case, provide the output and request your case be linked to this bug.  This will increase the priority to have it resolved.

Regards,

Robert

New Member

Re: Looking at syslogs messages getting set_rtc_mmss: can't upda

It is on UCSM 2.0(2r)

Thanks for the link on the new bug, I will check it out.

The actual time on the UCS is very close to the NTP server, less than 30 min of course .

I will open a TAC case once I get my cisco support emailed at the proper address.

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