Date: Sat, 04 Mar 2000 09:44:25 +0100 From: Tom Knienieder <tom@knienieder.com> To: Andrew Gallatin <gallatin@cs.duke.edu> Cc: freebsd-alpha@freebsd.org Subject: Re: Alpha ISO is fantastic! Message-ID: <38C0CCE9.89862D97@knienieder.com> References: <212CC57E84B8D111AD780000F84AA049083C2C11@mroexc2.tay.dec.com> <20000303232726.A5993@yedi.iaf.nl> <14528.17265.955978.964252@grasshopper.cs.duke.edu>
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Andrew Gallatin wrote: > > Wilko Bulte writes: > > I'd be very interested to see how the XP1000 behaves running X as I see > > problems on all my Alphas (Miata GL , Miata MX5 and EB64+/Aspen Alpine) > > when running X. > > I suspect that it will do much better because a tsunami chipset > behaves a lot like an x86 on bad accesses -- reads to bad addresses in > device memory return -1 and writes are ignored. All other platforms > give you a machine check. This confused the heck out of me when I was > doing the tsunami support. > > On a related note -- Wilko, can you try compiling X with either -O or > -O0? I just tracked down a nasty bug troubling somebody else which > was caused by gcc generating bad code. I have a sneaking suspicion > that the compiler might be behind at least some of your pain. > I noticed the same thing. For example mysql-3.23.11-alpha has uptimes from serveral minutes on my 164lx under heavy load. I changed the CFLAGS from -O3 and -O2 to -O0. It's up for over 20 hours now. Tom To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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