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Old 07-01-2012, 03:29 AM
Andrew Reid
 
Default Reports of (Debian?) Linux kernel 2.6.32 livelocking when notified of leap second

> Hello,
>
> Has anyone been seeing this sort of thing in the last 22-ish hours?
>
> http://serverfault.com/questions/403732/anyone-else-experiencing-high-rates
> -of-linux-server-crashes-today

I saw the buzz about this on Slashdot, but as far as I can tell
none of my systems are having any problems. I have several
Debian "squeeze" 2.6.32 64-bit systems, a mix of file servers,
cluster nodes, and desktop workstation systems. I'm off-site,
it being the weekend, but there's no evidence of trouble.

I did see a lot of log traffic at "23:59:60" UTC, so the kernels
have the info. If they're going to lock up at local midnight,
well, I guess I'll find out in half an hour.

-- A.
--
Andrew Reid / reidac@bellatlantic.net


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Old 07-01-2012, 08:42 AM
Camaleón
 
Default Reports of (Debian?) Linux kernel 2.6.32 livelocking when notified of leap second

On Sat, 30 Jun 2012 21:52:21 +0000, Andy Smith wrote:

> Has anyone been seeing this sort of thing in the last 22-ish hours?
>
> http://serverfault.com/questions/403732/anyone-else-experiencing-high-rates-of-linux-server-crashes-today

(...)

Mmm, interesting.

My "lennies" (2.6.26) are only reporting in both dmesg and kernel logs:

"Clock: inserting leap second 23:59:60 UTC"

But nothing more, all is running fine here, no kernel locked.

Greetings,

--
Camaleón


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Old 07-01-2012, 09:22 AM
"Jari Fredriksson"
 
Default Reports of (Debian?) Linux kernel 2.6.32 livelocking when notified of leap second

On Sun, July 1, 2012 11:42, Camaleón wrote:
> On Sat, 30 Jun 2012 21:52:21 +0000, Andy Smith wrote:
>
>> Has anyone been seeing this sort of thing in the last 22-ish hours?
>>
>> http://serverfault.com/questions/403732/anyone-else-experiencing-high-rates-of-linux-server-crashes-today
>
> (...)
>
> Mmm, interesting.
>
> My "lennies" (2.6.26) are only reporting in both dmesg and kernel logs:
>
> "Clock: inserting leap second 23:59:60 UTC"
>
> But nothing more, all is running fine here, no kernel locked.

Same here. Squeeze * 3 + Ubuntu 12.04 LTS * 2. All running ntpd, but no
problems.




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Old 07-01-2012, 10:43 PM
Chris Bannister
 
Default Reports of (Debian?) Linux kernel 2.6.32 livelocking when notified of leap second

On Sun, Jul 01, 2012 at 08:42:02AM +0000, Camaleón wrote:
> My "lennies" (2.6.26) are only reporting in both dmesg and kernel logs:
>
> "Clock: inserting leap second 23:59:60 UTC"

Mmmm interesting...

root@tal:~# dmesg | grep leap
root@tal:~#

root@tal:~# less /var/log/dmesg.0 | grep leap
root@tal:~#

root@tal:~# zless /var/log/dmesg.?.gz | grep leap
root@tal:~#

root@tal:~# uname -a
Linux tal 3.2.0-2-686-pae #1 SMP Fri Jun 1 18:56:14 UTC 2012 i686 GNU/Linux

No wonder my clock is wrong

--
"If you're not careful, the newspapers will have you hating the people
who are being oppressed, and loving the people who are doing the
oppressing." --- Malcolm X


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