[Beowulf] PVM on wireless...
reuti at staff.uni-marburg.de
Wed Feb 6 12:33:47 EST 2008
Am 06.02.2008 um 16:40 schrieb Robert G. Brown:
> Anybody on list have any idea why PVM fails to add hosts over a
> link? I've now tried this over multiple distro version and at
> least one
> PVM update, and it just doesn't work. Works fine over a wire,
> fails on
> wireless, and as far as I know wire and wireless are both "identical"
> at the kernel interface layer so that any e.g. socket one might
> open is
> absolutely ecumenical about what the underlying hardware is (good old
> ISO/OSI layering, right?).
> And yes, I'm well aware that from a latency/bw point of view this
> arrangement isn't going to be a speed demon or scale terribly well,
> for testing PVM from a laptop or writing code from a laptop or just
> playing with PVM itself for fun or profit from a laptop it would
> certainly be lovely if it WORKED, however poorly as far as IPCs are
> Yup, tried it one last time. Locks it right up it does, have to kill
> pvm[d] by hand and hand-remove the lockfiles, just like I did two or
> three years ago...
is the wireless one the primary interface? Maybe a mismatch which
hostname is used for which interface? Using wireless could be similar
like using a secondary interface.
> Robert G. Brown Phone(cell): 1-919-280-8443
> Duke University Physics Dept, Box 90305
> Durham, N.C. 27708-0305
> Web: http://www.phy.duke.edu/~rgb
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