Date: Fri, 17 Dec 2010 12:07:44 +0100 From: Bas Smeelen <b.smeelen@ose.nl> To: =?windows-1252?Q?Matej_=8Aerc?= <matej.serc@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: FreeBSD 7.2-RELEASE amd64 hangs Message-ID: <4D0B4480.6010304@ose.nl> In-Reply-To: <AANLkTiknL2jFSsYRw-DRDXrH6R8vtCt1-94VGyNPuisG@mail.gmail.com> References: <AANLkTiknL2jFSsYRw-DRDXrH6R8vtCt1-94VGyNPuisG@mail.gmail.com>
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On 12/16/2010 06=3A42 PM=2C Matej =8Aerc wrote=3A =3E Hi=2C =3E =3E I am experiencing a strange issue that has never occurred to me in all= the =3E years of using different versions of FreeBSD=2E Maybe you are experiencing this=3A http=3A//security=2Efreebsd=2Eorg/advisories/FreeBSD-EN-10=3A02=2Esched=5Fu= le=2Easc I=27m not sure however if there would be replies to pings then =3E One of our servers=2C which was running without any issues until yester= day=2C =3E stopped responding for two times now - yesterday and today=2E About thr= ee days =3E ago another process of pulling out SNMP data from devices was added=2C= but I =3E was looking the system load and the system was working normally and als= o =3E processes were cmpleting successfully within the timeframe of 5 minutes= =3E =28much faster=2C they completed in about 2 minutes=29=2E I also want t= o mention =3E that those SNMP pulling processes were already working about a month or= so =3E on the same server =28no hardware was changed in the meantime=29 and I= am pretty =3E sure that it should work normally as it did=2E =3E =3E My main problem is=2C that there is abcolutely nothing in log files - n= o =3E errors=2C no warnings=2C nothing=2E No strange messages=2C every proces= s just stops =3E logging at one time and then continues after the reboot=2E Another inte= resting =3E issue is that both hangs occured at approximately the same time=2C but= there =3E was nobody in the server room and also no one was logged into the serve= r at =3E that time except me=2E About 10 minutes before hang I was investigating= =3E processes and everything was very normal - no large CPU eating or memor= y =3E eating processes=2E This might be interesting=2C even after every proce= ss stops =3E responding=2C I was still able to ping the network interfaces and recei= ve ICMP =3E replies back=2E =3E =3E Of course my idea about it is that it must be connected to some hardwar= e =3E problems - my suggestion was to make some memory tests=2E But I would l= ike to =3E hear some your oppinions about the entire situation=2E Could some power= supply =3E issues be doing it=3F The server is about a year old and has=2C as I al= ready =3E mentioned=2C worked like a charm until now=2E How come there is no kern= el panic =3E since no daemon seems to be working=3F Why is network interface still u= p and =3E working=3F =3E =3E I was unable to go to the co-location facility so I can=27t say what wa= s on =3E the screen at both times=2C but I suppose there was nothing else than m= essages =3E I can read from log files=2E =3E =3E I know that 7=2E2 is pretty old version=2C but it was working until now= on the =3E same hardware and we had no reason to change that=2E Now the system is= after =3E reboot again running smoothly and without any issues at all=2E =3E =3E Thank you very much for any information regarding the issue=2E =3E =3E BR=2C Matej =3E --=20 DISCLAIMER=3A This e-mail is for the intended recipient=28s=29 only=2E Acce= ss=2C disclosure=2C copying=2C distribution or reliance on any of it by anyone else is prohibited=2E If yo= u have received it by mistake please let us know by reply and then delete it from your system= =2E
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