On Mon, Jul 23, 2007 at 01:34:28PM +0200, Stefan Richter wrote:
> Manuel Lauss wrote:
> > I noticed the failures start when there are 2 concurrent disk accesses
> > (copy something from fw disk on shell 1 and it runs fine; start to
> > copy something TO the fw disk on shell 2 and a "management write failed"
> > error appears after 1-2 sec. with the orb timeout after a looong time)
>
> Most of my tests have been with a single process, but I already tested
> several processes at once in parallel too. But probably only on the
> bigger machine where neither the CPU nor the PCI bus (and this might be
> important) would become a bottleneck. I have to test this again on the
> smaller machines.
I think I found a way to reliably reproduce the problem (2.6.22)
NFS-export the fw disk, mount it on another host, put a movie on it,
play it with mplayer on the other machine. Seek a little in the movie,
locks up every time here. If it doesnt, copy data to the disk in parallel.
Thanks,
Manuel Lauss
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