[MCPE-18456] GUI becomes unresponsive near dungeon monster spawner Created: 16/Nov/16  Updated: 07/Feb/18  Resolved: 07/Feb/18

Status: Resolved
Project: Minecraft (Bedrock codebase)
Component/s: None
Affects Version/s: 0.16.1
Fix Version/s: None

Type: Bug
Reporter: Bill Walker
Resolution: Cannot Reproduce Votes: 0
Labels: None

Confirmation Status: Unconfirmed
Platform: Phone - Android - Samsung Other (Specify in description)

 Description   

Updated from 0.15.8 to 0.16.0.5. When exploring a cave and approach a dungeon with an active monster spawner, the graphics updating becomes markedly slower and the controls start becoming unresponsive. Most recently I was exploring a new cave, came across a bunch of zombies which appeared to be from a spawner (did not yet see the spawner itself), and the controls basically froze. I could change items on the hotbar and move a little, both with extreme lag, but I could not turn or attack, but the mobs could still attack me which of course resulted in death. After respawn, I approached the area again, but similar lagginess happened even just crossing over the cave on the surface. Going into a duplicate world created with the same seed but in creative mode, I found the zombie spawner, but shortly afterward the GUI froze again. Exiting, clearing cache, and restarting did not do much good. I applied the 0.16.1.0 update, but it seems to have made it worse. I can open the creative mode world, but not only is the GUI unresponsive, the graphics do not draw anything except a light blue background and flames from torches and the spawner, and they update only about 2 frames per second. I would like to go back to 0.15.8, but I understand that the worlds have been modified by 0.16.x so that 0.15.x won't open them any more.



 Comments   
Comment by [Mojang] Mega_Spud (Jay Wells) [ 07/Feb/18 ]

Cleaning up old tickets: This ticket has not been updated recently (1 year+) so is being closed as Cannot Reproduce. If you feel this is still a valid issue, then please comment below and update the ticket description following the Issue Guidelines.

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Comment by hans kemps [ 10/Dec/16 ]

The problem as originally described above (not the problem Bill describes) happened to me too. Unable to move and see while everything else around me was still happening. This happened right after locating a skeleton spawner in survival mode 'hard' (luckily I had just built a wall between me and the mobs. After I changed the settings to 'peaceful' I was able to move and see and could move away from the spawner. Changed back to 'hard' and everything was working fine. Moved closer to the spawner again and had about 5 minutes of playtime before I froze again. I think this confirms what the original poster suggested.

Comment by Bill Walker [ 17/Nov/16 ]

It seems at least one other player is having the same issue, or a very similar one. Saw this on MinecraftForum.net:
http://www.minecraftforum.net/forums/support/minecraft-pocket-edition-support/2759098-jittery-slow-not-rendering-not-responding-in-snow

Although this player did not report a monster spawner, it is very possible that one generated out of sight when he dug his tunnel. The other symptoms he reports match the problem I'm having.

EDIT: Looks like two more players are having this issue. The skeleton spawner issue definitely seems to be the same issue. The blaze spawner being hyperactive may be a separate issue, but the players' devices freezing near the spawner does seem to follow the same pattern.
http://www.minecraftforum.net/forums/support/minecraft-pocket-edition-support/2760269-extreme-spawning-glitch-hundreds-of-blazes-within

Comment by Bill Walker [ 16/Nov/16 ]

More info: In creative mode, I can open the inventory (after a considerable lag) and select a category such as weapons, but trying to scroll the picker screen doesn't work - instead it selects the item at the end of the "swipe" attempt to scroll.

Also, even the options menu is similarly laggy and unresponsive.

At this point, my creative mode world is totally unusable - I can't see, I can't move, and I can't get out of the cave to escape the area. I'm hesitant to reopen my survival mode world for fear of getting similarly stuck.

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