Date: Sat, 25 Oct 2008 00:03:57 -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: <49029AAD.1020700@freebsd.org> In-Reply-To: <9754CE37-FAAA-4E52-B41C-8DFFF7DC30C0@lamness.info> References: <9754CE37-FAAA-4E52-B41C-8DFFF7DC30C0@lamness.info>
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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
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