old nexus 7 (nvidia hardware) or new nexus 7 (qcom hardware)?
it might be that the hwc isn't working for the nexus 7. You can try to mv /system/lib/hw/hwcomposer.* out of that directory, which will force mir into a backup composition mode.
old nexus 7 (nvidia hardware) or new nexus 7 (qcom hardware)?
it might be that the hwc isn't working for the nexus 7. You can try to mv /system/ lib/hw/ hwcomposer. * out of that directory, which will force mir into a backup composition mode.