Date: Fri, 13 Jul 2012 14:24:49 +0800 From: Paul Ambrose <ambrosehua@gmail.com> To: John Long <codeblue@inbox.lv> Cc: freebsd-mips@freebsd.org Subject: Re: Porting FreeBSD to Loongson 3A (RS780e) Message-ID: <CAMwoQQ4aoN0ugywDEipPFgD19-ufXm20bo%2B=aYAjrpu9yeL4bA@mail.gmail.com> In-Reply-To: <20120712183936.GA8478@inbox.lv> References: <CAMwoQQ7NcM0S7LmHgOH2hhL9xPu-fTsZZxCRvJ9LLHZD-AjFhw@mail.gmail.com> <20120711123136.GA32221@inbox.lv> <CAMwoQQ7eNW_QrQZH1Esd_TfR-C68TpUNRj5=pP=9gWOpE4kc5w@mail.gmail.com> <20120712165729.GA16915@inbox.lv> <4FFF0F81.4020104@beastielabs.net> <20120712183936.GA8478@inbox.lv>
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My box is not a laptop, just like Fuloong 2F box, but much bigger, with mini-ITX board, and it is supposed to be shipped at till Aug. 2012/7/13, John Long <codeblue@inbox.lv>: > On Thu, Jul 12, 2012 at 07:55:13PM +0200, Hans Ottevanger wrote: >> On 07/12/12 18:57, John Long wrote: > >> Hi, >> >> I still have a Lemote Yeeloong netbook somewhere. It came with >> Linux. It is a nice though quite simple system, based on a Loongson >> 2F CPU. The main problem was the regular occurrence of system >> freezes due to a CPU design problem. If I remember well the OpenBSD >> guys also stumbled over this issue and I am not sure whether they >> ever completely solved it. > > Hi, > > I do not know for sure, but I seem to remember there was a workaround in > gcc > to add a NOP in the right places (the error had to do with the chip's > branch-prediction logic) and that fixed those boxes. I think Lemote also > fixed the chip itself in later batches and this is not a problem in current > production. > > I have been running OpenBSD-current on my Fuloong for a week including two > complete rebuilds from source including kernel and userland (including > pulling down complete source and ports trees twice from CVS). The box has > performed beautifully and has exhibited 0 problems. It has been rebooted a > lot for various installs but when it's up it has spent about 4 days running > at 100% compiling code. And it has not been shut off for over a week. I > think > if rebuilding the OS from source and running it works it's a pretty sure > bet > the thing is solid. The guy who did the OpenBSD port for Fuloong (THANK YOU > MIOD!!!) seems be saying he feels the 3A support will be accomplished > without much difficulty, since much of the 2F support that is already there > will work and the 3A uses a chipset already supported by OpenBSD. > > My point to the OP was I hope he doesn't target only 3A given there are 2F > boxes out there and they are still being sold and they are really nice > boxes. We all know, each OS has its plusses and minuses and the more > support we get, everybody wins since all the BSD share code. > > I have no interest in a 3A laptop and I will let the early birds find the > bugs and wait until they are fixed. If they come out with a Mini in the > same > format as the Fuloong and put a 3A in it, and the support is there, I > wouldn't mind having one. Right now I wouldn't mind having an office full > of > the Fuloong 2F. It's the best box for the money I ever bought. > > -- > _ > ASCII ribbon campaign ( ) Powered by Lemote Fuloong > against HTML e-mail X Loongson MIPS and OpenBSD > and proprietary / \ Mutt.org > attachments Code Blue or Go Home! > _______________________________________________ > freebsd-mips@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-mips > To unsubscribe, send any mail to "freebsd-mips-unsubscribe@freebsd.org" >
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