Messages in this thread | | | Date | Sat, 23 Sep 2000 19:02:49 -0400 | From | safemode <> | Subject | Re: Problem with 2.4.0-test9-pre6 seems to be SHM |
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safemode wrote:
> Mark Hahn wrote: > >> this has nothing to do with the linux kernel. >> X itself does not use shm for anything. apps may use >> an X extension (XSHM) which uses shm segments to exchange >> image data without copying through a socket, but that's >> an extension, not inherent to X. >> >> > Ok, compiling using a cvs of X i got a couple hours ago, I'm just >> >> > wondering what the average segment number is for SHM on an X >> session >> > that has been up for a while .... i'll get back with any sort of >> info >> > on if the SHM problem has been solved with this latest CVS or if >> it >> > continues to look like a kernel SHM problem. So far though, >> > 2.4.0-test8-vm3 is handling the problem Quite well as opposed to >> test9, >> > which died in 2 hours upon booting ...and it didn't have the added >> >> > stress of compiling X. >> > >> > - >> > > > I think it has a lot to do with the kernel, and with X. Since i > havn't upgraded anything but X (and thus the extensions) ... now it's > obvious that X is at fault for providing us with a wonderful shared > memory leak. But, the kernel too, has something to do with it since > test9 seems to be fairly unstable with it, causing all sorts of weird > happenings before totally freezing up like test8-vm3 does. This > problems only manifests in VERY recent X cvs copies so most people > will not see this problem. The problem i'm wondering about is if the > Kernel is handling shared memory correctly or if this is entirely X's > fault. >
Somehow i cant help but think this is somehow linked to an OOM problem that has yet to be fixed with the 2.4.0-testX series. It seems suspiciously like the kernel is killing init when X decides it would be peachy to gobble up all the ram. i dont know of any way to prove this though.
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