Date: Sun, 19 Aug 2007 23:40:44 -0700 (PDT) From: Arne "Wörner" <arne_woerner@yahoo.com> To: Howard Goldstein <hg@queue.to> Cc: freebsd-geom@freebsd.org Subject: Re: graid5, 3 consumers, unaligned access Message-ID: <541513.41122.qm@web30315.mail.mud.yahoo.com> In-Reply-To: <46C933BE.9090904@queue.to>
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--- Howard Goldstein <hg@queue.to> wrote:
> The twe driver has a design flaw that depends on malloc()ing bounce
> buffers when it's handed data not aligned on 512 byte boundaries. When
> malloc fails, the driver syslogs a unique error that only can come from
>
I had a look at that file (twe...c) and found that it is not 512 bytes but 64
bytes (in 6.2R) and that it is about the virtual memory address and not about
the on-disk-offset...
So it is not a GEOM problem...
Maybe u could try to reduce the graid5 write cache by setting .maxwql and
.maxmem to something smaller.
-Arne
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