On Fri, 4 May 2018 15:16:05 +0200 Cornelia Huck <coh...@redhat.com> wrote:
> The 3270 code will try to post an attention interrupt when the > 3270 emulator (e.g. x3270) attaches. If the guest has not yet > enabled the subchannel for the 3270 device, we will give it a > spurious status during msch when it does so later. > > To fix this, just don't do anything in css_conditional_io_interrupt() > if the subchannel is not enabled. The 3270 code will work fine with > that, and the other user of this function (virtio-ccw) never > attempts to post an interrupt for a disabled device to begin with. > > Reported-by: Thomas Huth <th...@redhat.com> > Signed-off-by: Cornelia Huck <coh...@redhat.com> > --- > hw/s390x/css.c | 8 ++++++++ > 1 file changed, 8 insertions(+) Queued to s390-next (with commit message tweaked and cc:stable added).
