Date: Tue, 23 Jan 2007 21:01:09 -0500 From: "Alexandre \"Sunny\" Kovalenko" <Alex.Kovalenko@verizon.net> To: Alexander Leidinger <Alexander@Leidinger.net> Cc: emulation@freebsd.org, current@freebsd.org Subject: Re: CFT/HEADS-UP: linux 2.6.16 emulation Message-ID: <1169604069.1132.3.camel@RabbitsDen.RabbitsLawn.verizon.net> In-Reply-To: <20070120170723.34c223fb@Magellan.Leidinger.net> References: <20070120170723.34c223fb@Magellan.Leidinger.net>
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On Sat, 2007-01-20 at 17:07 +0100, Alexander Leidinger wrote: > Hi, > > today I committed the last fixes for the showstopper problems (panics) > in the linux 2.6.16 emulation. I intend to switch the default version > to 2.6.16 on i386 "soon" (see below), so please help testing it. > > More recent linux distributions (e.g. FC5) require a 2.6 kernel and > don't work with 2.4.2 anymore. And because FC4 is "abandon-ware" (no > security fixes from fedoralegacy anymore), getting 2.6.16 emulation up > an running is very important. > > If you use a linux program, please add compat.linux.osrelease=2.6.16 > to /etc/sysctl.conf (my desktop is running with 2.6.16 emulation since > some days already). After the next boot (or after running "sysctl > compat.linux.osrelease=2.6.16", please make sure no linux program is > running already) any linux program will start with a linux kernel > version of 2.6.16 instead of 2.4.2. The default linux base port (FC4) > will then use different code paths (e.g. within glibc). In case you > want to switch back to the 2.4.2 emulation without a reboot, please > make sure no linux program is running anymore. > > So far we fixed all known/repeatable problems with acroread, > realplayer, skype and linux firefox. If you encounter strange behavior > with any linux program, please tell us (emulation@freebsd.org) which > program you used, how to repeat the problem, what the problem is, and > if it only is visible with 2.6.16 or with 2.4.2 too. You should also > watch out for messages in the dmesg (unimplemented system calls or other > stuff, this is used to determine the priority of missing syscalls). > Please also have a look at http://wiki.FreeBSD.org/linux-kernel, I > intend to document the known problems there. If you find your problem > there, please tell us about it if you are willing to test fixes. > > We are specially interested in reports (good or bad) on SMP systems. > Please beat the hell out of the linuxulator! > > On amd64 systems we have not the same functionality as on i386, missing > are futexes and TLS. In P4 we already have the futex part covered, but > the TLS part is still missing (anyone with a clue about the kernel side > of TLS on amd64 is welcome to give a hint or two to jkim@ and > rdivacky@). So if you get a message about missing futexes or TLS on > amd64: we know about it (testers for the futex stuff are welcome, but > first you need to use a program which uses futexes and complains). > > As long as we get problem reports with 2.6.16 I will not switch the > default to 2.6.16. If we don't get a report at all, I will switch the > default on i386 to 2.6.16 in two weeks. If we get some problem reports, > we will push back the switch a little bit depending on the severity of > the problem. > > Bye, > Alexander. > With current of yesterday and compat.linux.osrelease=2.6.16 Acrobat Reader, Real Player and Firefox (including Flash plugin) seem to behave on my ThinkPad X60 (SMP machine). Admittedly use was light, but hopefully this report will encourage more people to try switching to new linuxolator. -- Alexandre "Sunny" Kovalenko
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