Date: Wed, 6 Sep 2000 12:48:11 -0400 (EDT) From: Andrew Gallatin <gallatin@cs.duke.edu> To: nate@yogotech.com (Nate Williams) Cc: marcel@cup.hp.com, freebsd-emulation@FreeBSD.ORG Subject: Re: IBM JDK fails due to lack of SA_SIGINFO support Message-ID: <14774.29608.353021.688597@grasshopper.cs.duke.edu> In-Reply-To: <200009060447.WAA23183@nomad.yogotech.com> References: <14773.43466.744621.411519@grasshopper.cs.duke.edu> <200009060447.WAA23183@nomad.yogotech.com>
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Nate Williams writes: > > Currently the IBM jdk & jvm don't run under our linux abi. This had > > previously been attributed to the "sigaltstack: Cannot allocate > > memory" message one sees when running it. Upon further investigation, > > this appears to be a red herring. > > Umm, I'd believe this except that someone sent me a patch (which I've > forwarded to Marcel) that fixes this and is related to the sigalstack > error above. At least the author of the patch claims that the IBM JDK > now runs successfully on his box, running some version of FreeBSD. :) Perhaps he's using a different version of the IBM java stuff? I'm using the "IBMJava2-SDK-13.tgz" that I downloaded last week. On a linux box, (where I can actually get version info) : java version "1.3.0" Java(TM) 2 Runtime Environment, Standard Edition (build 1.3.0) Classic VM (build 1.3.0, J2RE 1.3.0 IBM build cx130-20000815 (JIT enabled: jitc)) The change you're referring to isn't all that much different that what I'd been doing previously (setting MINSIGSTKSZ to 2048 in sys/signal.h). I tried the change, and it doesn't seem to help at all. > > The "real" problem is as simple > > (or, rather, complex) as the fact that we don't support SA_SIGINFO > > style signal handlers under the linux abi. > > [ Great explanation deleted ] > > Hmm, I'm at a loss. I've heard that things work fine with the > signalstack issues fixed, so maybe the java program that he is running > doesn't tickle the bug, although I find that rather difficult to believe > given that almost every Java program known to man is multi-threaded. Maybe IBM moved to using SA_SIGINFO handlers for their thread coordination? Drew To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-emulation" in the body of the message
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