Any other ideas on how to move forward with this bug? On Wed, Apr 17, 2013 at 8:57 AM, Ian Campbell <i...@hellion.org.uk> wrote: > On Tue, 2013-04-16 at 09:39 -0400, Anthony Sheetz wrote: >> >> What does dom0 dmesg say about barriers on that >> device/filesystem? > >> Nothing in dmesg about barriers on any file system. 'dmesg|grep >> barrier' returns nothing. > > I've just realised that the message in domU is from the blkfront driver, > so you wouldn't expect to see it in dom0. Also since it is not from the > filesystem it will not necessarily coincide with the filesystems use of > barriers, it'll just reflect that the device *could* do barriers. > > To know if the filesystem is using barriers I think you have to look > in /proc/mounts. > > Ian. >
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