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Re: Track leaked Filedescriptors


27 jan 2006 kl. 21.14 skrev Mike Smith:


On Jan 27, 2006, at 12:03 PM, email@hidden wrote:


Message: 3
Date: Fri, 27 Jan 2006 14:37:31 +0100
From: Totte Alm <email@hidden>
Subject: Track leaked Filedescriptors
Message-ID: <email@hidden">email@hidden>
Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed

Hello List,

I  fiigured this list might be the only place I could find help on
tracking down Filedescriptor leaks on
an OSX Server 10.4.4 running a Database Server, which runs stored
procedures etc etc.
I'm 99.6% sure its a FD leak, as the machine just stops dead, logs
stops before the machine stops, it's unaccessible on bthe network,
and you cannot even type ps in the terminal.

I don't see any reason for making this assumption, other than perhaps
"because that's what makes Linux hang like this", "that's what makes
Windows hang like this", or "that's what someone in the elevator said
it must be".

It's clear that you have a problem, but it's probably not a file descriptor
leak.  Hard freezes like the one you're describing are typically caused
by hardware problems or device driver bugs.

Hello.

I can cause this to happen on any machine I've tested it on, plain freshly installed XServes, Quad G5, Dual Gs, nothing installed except the DB server we use.
We suspected HW problems, we even got a new XServe and send the old one for repair, but we experienced the problem on the otehr box too (other model), and then I made it happen.
The last thing in the system log usually is:

Jan 14 15:57:19 tor DirectoryService[41]: NetInfo connection failed for server 127.0.0.1/local

then nothing, in any logs...
Thats why I suspect out-of file descriptors, as all other possible solutions are gone, or, its a driver level bug in OSX 10.4.x (that doenst exist in the 10.4.3 build for intel (DTK) where this runs flawless with the UB build.

// Totte

 = Mike


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