Date: Sat, 31 Mar 2007 14:40:43 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-arch@freebsd.org Cc: Daniel Eischen <deischen@freebsd.org>, freebsd-hackers@freebsd.org, "David E. Cross" <crossd@cs.rpi.edu>, Andriy Gapon <avg@icyb.net.ua> Subject: Re: 32/64bit KSE issues? Message-ID: <200703311440.44428.jhb@freebsd.org> In-Reply-To: <460E0AB8.8040608@icyb.net.ua> References: <1175318584.00714931.1175306401@10.7.7.3> <1175318590.00714940.1175308202@10.7.7.3> <460E0AB8.8040608@icyb.net.ua>
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On Saturday 31 March 2007 03:16, Andriy Gapon wrote: > on 31/03/2007 05:23 Daniel Eischen said the following: > > On Fri, 30 Mar 2007, David E. Cross wrote: > > > >> I recently ran into a problem where the 32bit JVM won't run on a 64bit host. > >> I, and at least one other person in -java thinks it has to do with 32 bit KSE > >> on a 64bit kernel (I have a vague memory on this somewheres WAY back). Is > >> this still the issue? Could someone point me in the general direction of the > >> specifics of the problem (if they exist, if not, I may try to create a > >> simpler test case then java)? > >> > >> I tried a few searches, but nothing matching what I remembered came up. > > > > No, you can't run 32-bit libpthread on 64-bit kernel. There > > are no compatiblity hooks in the kernel to handle 32-bit kse > > interfaces. It is really too messy to provide it. > > > Daniel, > > maybe you can send a followup to the following ? > http://www.freebsd.org/cgi/query-pr.cgi?pr=110655 > > Given that 32-bit libthr also doesn't work on 64-bit kernel, the only > option is to map thread libs to libc_r via libmap32.conf. > BTW, next time there is a poll about retiring libc_r please count me > against for precisely this reason. I plan on making sure full 32-bit compat exists for both libthr and libpthread and backporting it to 6.x for work. Very few things are too hard to wrap with a 32-bit shim. -- John Baldwin
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