[pve-devel] Default cache mode for VM hard drives

[Dietmar Maurer]

> > But there is currently only one io-thread in qemu, so this
> > cannot happen with qemu if above is the only problem?
> 
> But there are other threads, right? Buffer can be changed by another
> thread where guest OS itself is running.

No, AFAIK there is only one thread doing all IO (currently). But it
is using async IO with coroutines - maybe that can also trigger the
problem?