dump problems

[Thomas Sparrevohn]

On Monday 10 September 2007 07:14:36 Danny Braniss wrote:
> > > 
> > > the only indication I can see, is that one of the dump procs. is
> > > waiting on
> > > sbwait, and probably it's some deadlock, which is similar to what I
> > > keep
> > > seeing here, i'll try now with SCHED_ULE to see if it make a
> > > difference.
> > 
> > 
> > I'm running SCHED_ULE on these already, if your not I guess it's not the
> > scheduler?
> > 
> I can get it to 'work' by fiddling with the b flag (blocksize), which still
> points to some timming/deadlock problem.
> ie:
> 	dump 0abf 64 /some/backup/file  /file/to/backup
> now works, but
> 	dump 0abf 64 - | restore rbf 64 - 
> hangs as before. (i don't think the b 64 in restore is needed).

I have been able to reproduce the deadlock with any configuration - just using the dump
part - never found out what caused it.