* Joerg Roedel (jroedel@xxxxxxx) wrote: > On Mon, Nov 15, 2021 at 03:33:03PM +0000, Dr. David Alan Gilbert wrote: > > How would you debug an unexpected access by the host kernel using a > > guests kdump? > > The host needs to log the access in some way (trace-event, pr_err) with > relevant information. Yeh OK that makes sense if the host-owner could then enable some type of debugging based on that event for the unfortunate guest owner. > And with the guest-side kdump you can rule out that it was a guest bug > which triggered the access. And you learn what the guest was trying to > do when it triggered the access. This also helps finding the issue on > the host side (if it is a host-side issue). > > (Guest and host owner need to work together for debugging, of course). Yeh. Dave > Regards, > > -- > Jörg Rödel > jroedel@xxxxxxx > > SUSE Software Solutions Germany GmbH > Maxfeldstr. 5 > 90409 Nürnberg > Germany > > (HRB 36809, AG Nürnberg) > Geschäftsführer: Ivo Totev > -- Dr. David Alan Gilbert / dgilbert@xxxxxxxxxx / Manchester, UK
