Date: Wed, 11 Jul 2007 09:16:46 +0200 From: Alexander Leidinger <Alexander@Leidinger.net> To: Greg Lewis <glewis@eyesbeyond.com> Cc: amd64@freebsd.org, java@freebsd.org, glewis@freebsd.org, emulation@freebsd.org, "Mikhail T." <mi+metlife@aldan.algebra.com> Subject: Re: Linux JDK-1.5.0_12 (i386) unusable on amd64 Message-ID: <20070711091646.tzcug58ty8o4o400@webmail.leidinger.net> In-Reply-To: <20070710224919.GA58192@misty.eyesbeyond.com> References: <469286A1.9020701@aldan.algebra.com> <20070710091334.40kgazmtwsg444w8@webmail.leidinger.net> <20070710224919.GA58192@misty.eyesbeyond.com>
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Quoting Greg Lewis <glewis@eyesbeyond.com> (from Tue, 10 Jul 2007 =20 16:49:19 -0600): > On Tue, Jul 10, 2007 at 09:13:34AM +0200, Alexander Leidinger wrote: >> Quoting "Mikhail T." <mi+metlife@aldan.algebra.com> (from Mon, 09 Jul >> 2007 15:04:01 -0400): >> >> >Hello! >> > >> >I just tried to build the regular jdk15 port on my amd64 machine. It >> >relies on the Linux jdk15 to bootstrap. >> > >> >Unfortunately, all invocations of javac and java were crashing with a >> >HotSpot stack (linux-sun-jdk-1.5.0.12,2). >> >> >> >I'm unsure, where the blame lies -- with the Linuxulator, or the amd64 >> >(6.2-stable from June 7th) -- but something needs to be done... >> >> Can you please try with a more recent -stable? On Sunday I committed >> some fixes which may or may not help (I don't remember if those fixes >> helped on -current or not). >> >> I also have some more fixes (MFCs) in the queue, if you are interested >> to help test them on -stable please tell me. > > I'll try it on 6.2-RELEASE-pmumble to make sure its working there. > > FWIW, I've had reports that linux-sun-jdk15 has been broken on > -CURRENT/amd64 since around December, so MFC'ing changes may not > actually improve the situation. Can you try it on current to see > if it works for you? Regarding current it is important to know if this is with the default =20 2.4 linux emulation, or with the 2.6 linux emulation. Apart from that Roman knows about some thread "limitation" which hits =20 us here (I let him comment upon this), and AFAIR the JDK also tries to =20 use epoll which is not available yet... but I may misremember about =20 the last part. The big picture is: Linux programs start to depend more and more on =20 stuff which is not emulated yet in any FreeBSD release. That's the =20 reason why I try since ~1.5 years to get some people together to have =20 a look at improving the linuxulator. Roman made some nice progress =20 last year in the GSoC, and this year he will probably finish the last =20 important missing parts (again as part of the GSoC). But I don't =20 expect any release before 7.1 to contain all necessary pieces (but not =20 enabled by default, I assume; this may have to wait until 8.0, but the =20 decision has to be made when all the code is in the tree). Bye, Alexander. --=20 When the only tool you have is a hammer, every problem starts to look like a nail. http://www.Leidinger.net Alexander @ Leidinger.net: PGP ID =3D B0063FE7 http://www.FreeBSD.org netchild @ FreeBSD.org : PGP ID =3D 72077137
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