Hi!
> The user-mode port of 2.3.99-pre9 is available.
>
> There is now a real hardware interrupt mechanism, which I got by copying the
> i386 irq code, and wrapping user-mode stuff around it. The consoles and
> network device now do their I/O off interrupts rather than the timer, which
> greatly reduces latency. The interactive feel is much better, especially
> under X.
>
> As a side-effect of this, 'cat /proc/interrupts' will no longer hang the
> kernel :-)
>
> I fixed the stair-stepping problem with the console output.
>
> I also fixed the problem that some people had running kernels that they had
> built themselves. So, if you built a -pre8 kernel from source, and it did
> nothing but hang, that's fixed.
>
> I've also got some caveats to go with this batch of good news. Now that this
> port is much more interrupt-driven, it is more prone to races. I've fixed a
> bunch of them, but I still see an occasional process segfault.
>
> There is also a slight difficulty at times with the network. Sometimes
> packets will stop flowing. I have no idea why, but typing at a console will
> wake things up and get those packets flowing again. This is most easy to
> reproduce under X (start an xterm and a window manager and wave the mouse in
> and out of the xterm, and after a while, the xterm will stop blinking and the
> mouse will stop changing shape), but I've also seen it affect ping.
Does that mean that you can now run X under uml?
-- I'm pavel@ucw.cz. "In my country we have almost anarchy and I don't care." Panos Katsaloulis describing me w.r.t. patents me at discuss@linmodems.org- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Wed May 31 2000 - 21:00:28 EST