On Mon, Oct 15, 2018 at 04:25:56PM +0200, Vasilis Liaskovitis wrote:
> On Mon, 2018-10-15 at 16:02 +0200, Roger Pau Monné wrote:
> >
> > > This results in a NULL pointer BUG when blkfront_remove and
> > > blkif_free
> > > try to access the failing device's NULL struct blkfront_info.
> > >
> > >
On Mon, Oct 15, 2018 at 03:25:08PM +0200, Vasilis Liaskovitis wrote:
> If a block device is hot-added when we are out of grants,
> gnttab_grant_foreign_access fails with -ENOSPC (log message "28
> granting access to ring page") in this code path:
>
> talk_to_blkback ->
> setup_blkring ->
If a block device is hot-added when we are out of grants,
gnttab_grant_foreign_access fails with -ENOSPC (log message "28
granting access to ring page") in this code path:
talk_to_blkback ->
setup_blkring ->
xenbus_grant_ring ->