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Old 02-09-2012, 12:36 AM
Carlos Alberto Lopez Perez
 
Default Bug#659169: Bug#659169:

On -10/01/37 20:59, Ben Hutchings wrote:
> Version: 2.6.32-40
>
> On Wed, Feb 08, 2012 at 10:13:50PM +0100, Carlos Alberto Lopez Perez wrote:
>> Source: linux-2.6
>> Version: 2.6.32-5
>> Severity: normal
>>
>>
>> Hello,
>>
>> Today one of my servers stopped responding to some webs, ssh'ing into it was impossible. The ping worked and the ssh connection was starting but the shell didn't showed up after waiting a long time. Finally a hard-reset was needed in order to bring it back
>>
>> After the reboot I found this on kern.log
>>
>> # tail /var/log/kern.log
>> Feb 1 09:41:00 server-i7_920 kernel: [17383037.287331] EXT4-fs (dm-29): mounted filesystem with ordered data mode
>> Feb 5 09:38:15 server-i7_920 kernel: [17727613.769052] NOHZ: local_softirq_pending 100
>> Feb 7 05:56:07 server-i7_920 kernel: [17886689.887577] e1000e: eth0 NIC Link is Down
>> Feb 7 05:59:05 server-i7_920 kernel: [17886867.166464] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
>> Feb 7 05:59:41 server-i7_920 kernel: [17886903.722727] e1000e: eth0 NIC Link is Down
>> Feb 7 06:00:00 server-i7_920 kernel: [17886922.309159] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
>> Feb 8 17:28:57 server-i7_920 kernel: [18446744016.876326] BUG: soft lockup - CPU#7 stuck for 17163091979s! [init:9709]
> [...]
>
> This appears to be the bug fixed by 'sched, x86: Avoid unnecessary
> overflow in sched_clock', included in longterm update 2.6.32.50 and
> Debian package version 2.6.32-40. That bug would be triggered once
> the scheduler clock reached 18014398 seconds, which is a little after
> the last reasonable time seen in this log.
>
> Ben.
>

Wow!

Really amazing, thanks for the reply.

I will be upgrading the kernel ASAP.



Regards!


--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~
Carlos Alberto Lopez Perez http://neutrino.es
Igalia - Free Software Engineering http://www.igalia.com
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~
 

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