On Tue, May 18, 2010 at 6:18 PM, Avi Kivity <a...@redhat.com> wrote: > The block multiwrite code pretends to be able to merge overlapping requests, > but doesn't do so in fact. This leads to I/O errors (for example on mkfs > of a large virtio disk).
Are overlapping write requests correct guest behavior? I thought the ordering semantics require a flush between overlapping writes to ensure A is written before B. What cache= mode are you running? Stefan
