On Fri, May 26, 2023 at 12:24:07PM +0530, Prasad Pandit wrote: > Hello Peter, all > > On Thu, 25 May 2023 at 18:33, Peter Xu <pet...@redhat.com> wrote: > > > IIRC this bug used to only reproduce on rt kernels, is it still the case? > > > > * Yes, it's a same crash. > > > > Here besides doing correct unregister, does it also mean that even if > > event_notifier_init() failed there's totally no error message anywhere? > > Should we dump something when it fails? And did you check why that failed? > > > > * In the qemu logs we see following error > > VHOST_OPS_DEBUG(r, "vhost_set_mem_table failed"); > goto fail_mem > > After this execution likely did not reach the event_notifier_init() call, > because: goto fail_mem.
Ah so it's not about eventfd, okay! > > * But in case it fails, no error message gets logged. Do we want to add it > in this same patch? I see you already sent one, will read. Thanks! -- Peter Xu
