From: Blaisorblade <blaisorblade@yahoo.it>
To: user-mode-linux-devel@lists.sourceforge.net
Cc: Jeff Dike <jdike@addtoit.com>, Gerd Stolpmann <info@gerd-stolpmann.de>
Subject: Re: [uml-devel] Strange behaviour of hwrng
Date: Sat, 22 Oct 2005 13:29:58 +0200 [thread overview]
Message-ID: <200510221329.59118.blaisorblade@yahoo.it> (raw)
In-Reply-To: <20051022031136.GA13689@localhost.localdomain>
On Saturday 22 October 2005 05:11, Jeff Dike wrote:
> On Sat, Oct 22, 2005 at 02:52:00AM +0200, Blaisorblade wrote:
> It's fairly trivial. Look at the SIGIO workaround thread - this is
> essentially the same thing.
_Yes_, but see below.
> > The ubd driver works currently this way, but the thing is not trivial to
> > get right (and the UBD rewrite in the works has shown that).
> The complexity there is due to entirely different causes, namely making
> sure that requests are sent out in order and that pieces of the bitmap are
> written out when they should be, and not before.
I also remember the deadlock due to the pipe buffer used for communication
filling completely... that's what could be related.
--
Inform me of my mistakes, so I can keep imitating Homer Simpson's "Doh!".
Paolo Giarrusso, aka Blaisorblade (Skype ID "PaoloGiarrusso", ICQ 215621894)
http://www.user-mode-linux.org/~blaisorblade
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next prev parent reply other threads:[~2005-10-22 11:28 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-21 18:24 [uml-devel] Strange behaviour of hwrng Gerd Stolpmann
2005-10-21 18:42 ` Blaisorblade
2005-10-21 19:06 ` Gerd Stolpmann
2005-10-22 0:52 ` Blaisorblade
2005-10-22 3:11 ` Jeff Dike
2005-10-22 11:29 ` Blaisorblade [this message]
2005-10-22 16:16 ` Gerd Stolpmann
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