----- Original Message ----- > From: "Paolo Bonzini" <pbonz...@redhat.com> > To: "Andrew Martin" <amar...@xes-inc.com> > Cc: "Stefan Hajnoczi" <stefa...@gmail.com>, "qemu-devel" > <qemu-devel@nongnu.org> > Sent: Wednesday, August 27, 2014 9:34:27 AM > Subject: Re: Using cache=writeback safely on qemu 1.4.0 and later > > Il 27/08/2014 16:23, Andrew Martin ha scritto: > > Thanks for the info about this bug - I am using QEMU 1.4.0 (released on > > 02/15/13) > > and ef5bc96268 was added on 09/20/13, so the bug had not been fixed in the > > version > > of QEMU I am using. I have had trouble reproducing it on-demand - was there > > specific > > behavior you used to reproduce it, or just the lack of fsyncs or fdatasyncs > > when > > stracing the QEMU process when using cache=writeback? > > Just the lack of fdatasyncs. > Paolo,
I also did not see any fdatasyncs when using cache=none - would that also be explained by this bug? Thanks, Andrew
