Re: Domain reference counting breakage

2021-02-23 Thread Jan Beulich
On 22.02.2021 18:11, Andrew Cooper wrote: > On 22/02/2021 16:49, Jan Beulich wrote: >> On 22.02.2021 16:26, Andrew Cooper wrote: >>> At the moment, attempting to create an HVM guest with max_gnttab_frames of 0 >>> causes Xen to explode on the: >>> >>> BUG_ON(atomic_read(&d->refcnt) != DOMAIN_DEST

Re: Domain reference counting breakage

2021-02-22 Thread Andrew Cooper
On 22/02/2021 16:49, Jan Beulich wrote: > On 22.02.2021 16:26, Andrew Cooper wrote: >> At the moment, attempting to create an HVM guest with max_gnttab_frames of 0 >> causes Xen to explode on the: >> >> BUG_ON(atomic_read(&d->refcnt) != DOMAIN_DESTROYED); >> >> in _domain_destroy(). Intrumenting

Re: Domain reference counting breakage

2021-02-22 Thread Jan Beulich
On 22.02.2021 16:26, Andrew Cooper wrote: > At the moment, attempting to create an HVM guest with max_gnttab_frames of 0 > causes Xen to explode on the: > > BUG_ON(atomic_read(&d->refcnt) != DOMAIN_DESTROYED); > > in _domain_destroy(). Intrumenting Xen a little more to highlight where the > mo

Domain reference counting breakage

2021-02-22 Thread Andrew Cooper
At the moment, attempting to create an HVM guest with max_gnttab_frames of 0 causes Xen to explode on the: BUG_ON(atomic_read(&d->refcnt) != DOMAIN_DESTROYED); in _domain_destroy(). Intrumenting Xen a little more to highlight where the modifcations to d->refcnt occur: (d6) --- Xen Test Fram