Re: [Qemu-devel] [Qemu-stable] Data corruption in Qemu 2.7.1

[Paolo Bonzini]

On 19/01/2017 12:59, Fabian Grünbichler wrote:
> > I'm not sure how to fix it, unfortunately. :(
> 
> so this means either use non-transparent huge pages when using
> scsi-block (haven't verified but should work?), or use aggressive THP
> settings and/or always leave enough memory reserves? :-/ this is very
> unfortunate IMHO (and probably also not a very realistic usage
> scenario?)

Yes, I agree.  Unfortunately there is no API in Linux that lets you
verify how many segments an iov is split into.

Paolo