Date: Thu, 11 Jul 1996 20:55:57 -0400 (EDT) From: Kenneth Merry <ken@ulc199.residence.gatech.edu> To: imp@village.org (Warner Losh) Cc: andrew@pubnix.net, stable@FreeBSD.ORG Subject: Re: Uptime report Message-ID: <199607120055.UAA08171@ulc199.residence.gatech.edu> In-Reply-To: <199607112304.RAA21510@rover.village.org> from Warner Losh at "Jul 11, 96 05:04:07 pm"
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> : Solution, quit X every so often, all your memory comes back. > > *NO* the memory didn't come back when I did this. The X server was > only about 8M when I exited it. X is not running and I still have 33M > of swap in use on my machine, just like before I exited X. How long has your X server been running? That's the real key, I think. When you run xdm, and log in and out, I don't think the X server process is ever actually killed. It just kinda restarts. I have seen similar symptoms running xdm with AcceleratedX 1.2. The 'fix' is to kill the X server every once in a while, when swap usage gets up there, and the swap space will be returned. (to kill the server, control-alt-bs) xdm will just crank the server right back up. This could be a vm-type problem/feature, in that the memory used by the process is left allocated by the vm system in case it is needed again by the same process. Who knows. > : One could then deduce that the leak is somewhere in X11R6. > > I don't think there is a leak in the X server. However, there may be > sub-optimal memory usage in the X server that causes it to keep > growning and growing due to increaing memory fragmentation. I know a > few people that have purified the X server and found only marginal > leaks (like on the order of 20k over several hours of running > netscape-like programs). Yeah, that kinda seems to point to it being something other than the X server at work. Not sure what that something might be, though. Ken -- Kenneth Merry ken@ulc199.residence.gatech.edu Disclaimer: I don't speak for GTRI, GT, or Elvis.
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