From owner-freebsd-geom@FreeBSD.ORG  Sat Dec 30 12:28:24 2006
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Date: Sat, 30 Dec 2006 12:57:53 +0100
From: Ivan Voras <ivoras@fer.hr>
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Subject: Re: graid3 device gives "Invalid argument" when requested to 
	read>=128kb
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Pawel Jakub Dawidek wrote:
> > On Sat, Dec 30, 2006 at 02:28:30AM +0100, Ivan Voras wrote:
>> >> It worked in 5.x for me (8 KB sectors), so if it doesn't now, it's a
>> >> (not significant) regression.
> >
> > I don't remember where the problems were, but I'm quite sure there were
> > somewhere. Have you tried some mmap(2) tests?

No, probably not. The whole thing was my very first attempt at doing
anything with GEOM (ggcomp - it still exists somewhere), which wasn't
very usable  :)  "Normal" file system operations worked, though I think
there were problems even here with 16 KB sectors.