Date: Fri, 26 May 2000 22:18:53 +0200 (CEST) From: Andrzej Bialecki <abial@webgiro.com> To: "Koster, K.J." <K.J.Koster@kpn.com> Cc: java@FreeBSD.ORG, hackers@freebsd.org Subject: Kernel threads (RE: alphaworks 1.3 linux port) Message-ID: <Pine.BSF.4.20.0005262207370.2821-100000@mx.webgiro.com> In-Reply-To: <59063B5B4D98D311BC0D0001FA7E4522026D7590@l04.research.kpn.com>
next in thread | previous in thread | raw e-mail | index | archive | help
(I CC:'d to -hackers, perhaps someone can enlighten us wrt. the availability of kernel threads..) On Fri, 26 May 2000, Koster, K.J. wrote: > > > > > Has anyone had a look at this? Reports are that it's a big > > > improvement over the BDown stuff. Anyone had a play yet? > > > 1.3 is a big improvement over 1.2.2 performancewise, at least on Windows. > > > > > it works great under linux (redhat 6.1) but i wasn't able to > > get it to run under linux emulation of freebsd 4.0. if anyone > > figures it out, i'd love to hear how they did it. > > > Could you elaborate on your attempts to get it running? Any error messages > or irregular behaviour? What version of the linux port were you using? As I wrote about two weeks ago, I tried to get it running on relatively up-to-date 5.0-CURRENT. Alphaworks JVM uses native threads on Linux, which (as far as I understand) are impossible to have right now, either under Linux emulation or otherwise. The error message was: sigaltstack: Cannot allocate memory, which after looking up in the manpage led me to believe that perhaps Linux doesn't add MINSIGSTKSZ by default to the stack size. Added it to linuxulator in appropriate places (in linux_signal.c:linux_sigaltstack()), and it stopped complaining, but started eating 100% CPU. At which point I gave up... Obviously, the matter is more complicated than that - that is, it was shooting in the dark. I know I don't have kernel threads, I was just curious where it would bomb out.. :-) Andrzej Bialecki // <abial@webgiro.com> WebGiro AB, Sweden (http://www.webgiro.com) // ------------------------------------------------------------------- // ------ FreeBSD: The Power to Serve. http://www.freebsd.org -------- // --- Small & Embedded FreeBSD: http://www.freebsd.org/~picobsd/ ---- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.4.20.0005262207370.2821-100000>