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Fixed in 5.5.2



Found in


Issue ID




TLS ALLOCATOR ALLOC_TEMP_THREAD error caused by particle systems

Visual Effects - Legacy


Steps to reproduce:
1. Download and open the attached project
2. Drag the Fireworks prefab into the scene
3. Observe the console

Expected result: no errors

Reproduced on: 5.5.0p3
Not reproduced on: 5.4.4f1, 5.6.0b3

-in this case, caused by the Fireworks prefab from standard assets

Comments (67)


    Jul 11, 2017 07:07

    not fixed still im getting this error in 5.6.0

  2. sourabhverma

    Jul 10, 2017 20:40

    I got this error in unity 5.6 when i was trying to convert a uuid to string and thn printing it to console. Conversion didn't cause the error but printing to console did. It starts error in line no 4 and it happens once in 50-100 runs.

    byte[] matchId = <Some utf-16 uuid which came from server>;
    string matchStrID = Encoding.Unicode.GetString(matchId);
    Debug.Log("Successfully created match: Bytes> " + matchId );
    Debug.Log("Successfully created match: Unicode> " + matchStrID);

    Hopefully it helps.

  3. scionious

    Jul 10, 2017 02:18

    Still not fixed. Can't figure out what's causing this.

  4. retry_entry

    Jul 05, 2017 10:40

    Got this TODAY. Sent report

  5. retry_entry

    Jul 05, 2017 09:20


  6. masoudarvishian

    Jul 04, 2017 09:57

    Sorry, My bad, It was my fault. There was a stackoverflow error in my code that causes this error type. I fixed stackoverflow problem and I'm Ok there's no Error anymore.

  7. Toylips

    Jul 03, 2017 12:43

    I'm using Unity 5.5.0f3, everything was alright but this error came to me from the hell

  8. masoudarvishian

    Jun 25, 2017 18:37

    I'm using Unity 5.6.1f1 and this error came up to me from nowhere! everything was alright I didn't have any error until this error came up! I'm creating a 2D game. btw, there's no particle in my game!

  9. Hoorza

    Jun 22, 2017 16:49

    Showed suddenly in one scene only one time after testing Unity Ads ingame, never showed before. When I follow the same steps error does not show anymore. No particle systems. Unity version 5.6.0f3.

    Error message: TLS Allocator ALLOC_TEMP_THREAD, underlying allocator ALLOC_TEMP_THREAD has unfreed allocations

  10. uzumaki258

    Jun 18, 2017 11:09

    Error in 5.6.1f1 when Build IOS version.

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