Date: Sat, 25 Oct 2008 18:37:08 -0400 From: Joe Marcus Clarke <marcus@freebsd.org> To: Chris Peterson <chris@lameness.info> Cc: stable@freebsd.org Subject: Re: kern.maxdsiz on amd63 with i386 binaries Message-ID: <49039F94.2040707@freebsd.org> In-Reply-To: <135DB3FD-8241-495F-A977-849F8CB47638@lamness.info> References: <9754CE37-FAAA-4E52-B41C-8DFFF7DC30C0@lamness.info> <49029AAD.1020700@freebsd.org> <135DB3FD-8241-495F-A977-849F8CB47638@lamness.info>
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Chris Peterson wrote: > Thanks Joe, that did it. > > Out of curiosity, I don't see any of the compat tree in > /boot/defaults/loader.conf, is there any place this is documented > besides kernel sources? If not then I guess I should give something back > to the community and change that :) Not that I found. I typically find stuff like this by running sysctl -a and grepping for familiar patterns. Joe > > Regards, > Chris Peterson > > On Oct 24, 2008, at 9:03 PM, Joe Marcus Clarke wrote: > >> Chris Peterson wrote: >>> Hello, >>> >>> I've got a handful of i386 boxes, and a handful of amd64 boxes running a >>> 32-bit application, the reasons for this exact configuration mystify me >>> as well as the deployment predates my time in the environment. Now that >>> the dataset the application is loading is rapidly approaching 512MB >>> we're starting to tweak kern.maxdsiz and kern.dfldsiz to 1GB. >>> >>> The i386 boxes are doing great, but we hit an issue with the amd64 >>> machines in that 64bit apps seem to work fine, but the 32bit apps >>> running on the amd64 machines fail to be able to use more than the i386 >>> default of 512MB no matter what we set kern.maxdsiz to. I've also tried >>> compiling it into the kernel, which results in the same issue. >>> >>> I tried starting the app with "limits -d 1090519040", and it seems to >>> fail as well. Limits does show the proper value for datasize of >>> 1064960 kB. >>> >>> We're locked into 32-bit binaries for this app at the moment thanks to >>> some uh... interesting libraries it uses, so the usual option of >>> recompile isn't available. I'd like to avoid traveling from San Jose to >>> Seattle, then Virginia, then Munich to reinstall the amd64 machines with >>> i386 machines if at all possible. >>> >>> Uh... help? >> >> Have you tried setting compat.ia32.maxdsiz? I believe this will do what >> you want. >> >> Joe >> >> -- >> Joe Marcus Clarke >> FreeBSD GNOME Team :: gnome@FreeBSD.org >> FreeNode / #freebsd-gnome >> http://www.FreeBSD.org/gnome > > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > -- Joe Marcus Clarke FreeBSD GNOME Team :: gnome@FreeBSD.org FreeNode / #freebsd-gnome http://www.FreeBSD.org/gnome
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