Re: x86: Hardware breakpoints are not always triggered

From: Paolo Bonzini
Date: Thu Jan 28 2016 - 16:29:47 EST




On 28/01/2016 21:53, Oleg Nesterov wrote:
> > We use hardware breakpoints in CRIU and we found that sometimes we set
> > a break-point, but a process doesn't stop on it.
>
> reproduced, and this certainly looks like kvm bug to me.

Yes, in all likelihood. Thanks, I'll reproduce and look for a fix.

Paolo