Warn if the device id detection fails.
Warn if the device id detection fails.

kevleyski/directfb,djbclark/directfb-core-DirectFB,jcdubois/DirectFB,kevleyski/DirectFB-1,Distrotech/DirectFB,dfbdok/DirectFB1,deniskropp/DirectFB,dfbdok/DirectFB1,kevleyski/DirectFB-1,DirectFB/directfb,kaostao/directfb,DirectFB/directfb,mtsekm/test,kevleyski/DirectFB-1,deniskropp/DirectFB,mtsekm/test,djbclark/directfb-core-DirectFB,DirectFB/directfb,deniskropp/DirectFB,lancebaiyouview/DirectFB,Distrotech/DirectFB,sklnet/DirectFB,jcdubois/DirectFB,lancebaiyouview/DirectFB,djbclark/directfb-core-DirectFB,kevleyski/DirectFB-1,kevleyski/directfb,djbclark/directfb-core-DirectFB,jcdubois/DirectFB,sklnet/DirectFB,lancebaiyouview/DirectFB,kaostao/directfb,kevleyski/directfb,lancebaiyouview/DirectFB,Distrotech/DirectFB,sklnet/DirectFB,mtsekm/test,dfbdok/DirectFB1,deniskropp/DirectFB,kevleyski/directfb,kaostao/directfb,sklnet/DirectFB