kern.maxdsiz on amd63 with i386 binaries
chris at lameness.info
Fri Oct 24 21:59:25 PDT 2008
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 :)
On Oct 24, 2008, at 9:03 PM, Joe Marcus Clarke wrote:
> Chris Peterson wrote:
>> 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
>> 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
>> default of 512MB no matter what we set kern.maxdsiz to. I've also
>> 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
>> 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
>> i386 machines if at all possible.
>> Uh... help?
> Have you tried setting compat.ia32.maxdsiz? I believe this will do
> you want.
> Joe Marcus Clarke
> FreeBSD GNOME Team :: gnome at FreeBSD.org
> FreeNode / #freebsd-gnome
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