Re: old syslog (jail) and new kernel = 100% CPU

From: Bryan Drewery <bdrewery_at_FreeBSD.org>
Date: Mon, 5 Jun 2017 08:20:47 -0700
On 6/5/2017 2:34 AM, Alexander Leidinger wrote:
> 
> Quoting Bryan Drewery <bryan_at_shatow.net> (from Sun, 4 Jun 2017 14:38:07
> -0700):
> 
>> On 6/4/17 5:09 AM, Alexander Leidinger wrote:
>>> Hi,
>>>
>>> new kernel (surely r318877 and later) and old syslog in a jail = NOK.
>>>
>>
>> What branch and revision is the syslogd? From my understanding the bug
>> exists in a head version of syslogd only, maybe MFC'd to stable/11, but
>> not released.  If it was MFC'd we need to fix it before the 11.1 release.
> 
> This was a syslogd from head for sure.
> 
> So the issue was that for an intermediate period of time a bug was in
> syslogd in head which was causing this, and if I would have upgraded a
> system were the jail would have been head from before the or after the
> bug, then I wouldn't have noticed it?
> 

Yes, that's my understanding.  So it's ultimately a non-issue for
releases since it is just a temporary issue on head.


-- 
Regards,
Bryan Drewery


Received on Mon Jun 05 2017 - 13:21:13 UTC

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