Is this an embedded prototype machine or would some kind of desktop work?
I take it that the network is important since you're mailing about
gmac/bmac troubles...
I'd suggest the G4 with a tulip card dropped in there. For that matter,
the G3 you already have with a tulip card should be pretty good. PPC is
solid on the platforms we've tested - pmacs (umax supermac,
adb g3 portables - wallstreet mostly, G3, G4, pre-G3 adb machines),
RS/6000's and a few of the embedded 7xx/6xx/74xx boards.
Pmac's are cheap, common and RTLinux is solid on them - that's hard to
beat.
} Can you recommend which PPC platform works best under 2.4.X (i.e. which
} should I buy) and best under RTLinux V3.X?
}
} Robert Kavaler
}
} > The gmac and bmac drivers for vanilla linux (no RTLinux) under 2.4.X are in
} > really really bad shape. They'll show the same behavior without RTL.
} >
} > Ben, Paul and myself are occasionally working on it but the gmac/bmac
} > don't have real maintainers so fixes may not be soon.
} >
} > } I am running RTLinux (V3.0pre7, with a 2.4-test1 kernel) on an Apple G3,
} > } and I am regularly getting network lockups. Everything else works fine,
} > } but I have to make an ifconfig down and up to get the network back. I
} > } first thought that our code was responsible for this, since we would
} > } always get that problem as soon as we ran it, but after doing some
} > } testing, it appears that the same thing occurs when nothing else than
} > } the RTLinux modules is loaded. It only takes much more time for the
} > } network to go down, whereas our application crashes the network
} > } immediately.
} > } Our code (at least the relevant part) forwards packets to and from a
} > } Linux socket and into an RT task.
} > }
} > } Does anyone know what could cause such a behavior?
} > }
} > } Thanks,
} > }
} > } Yannick
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