Search Issue Tracker

Won't Fix

Votes

0

Found in

2018.4

2019.2

2019.2.7f1

Issue ID

1191954

Regression

No

[iOS 12] [Metal] IOAF code 4 error freeze because of tessellation shader

iOS

-

How to reproduce:
1. Build the attached project for iOS (link in description)
2. Build & Run the project to a device via Xcode
3. Keep clicking buttons shown in screenshots (screenshots in edit)

Actual result: The Player freezes and errors are getting spammed.
Expected result: The Player doesn't freeze.

Reproducible with: 2018.4.11f1, 2019.2.10f1.

Devices reproducible with:
- iPhone XR (iOS 12.0)
- iPhone X (iOS 11.3.1)

Devices not reproducible with:
- iPhone X (iOS 13.0)
- iPhone 7 (iOS 12.3.1)

Notes:
- Can't test 2017.4, 2019.3 and 2020.1 as the terrain completely breaks on these versions, but most likely the issue is reproducible there too.

  1. Resolution Note (2020.1.X):

    This is iOS 12 related, which has decreasing adoption. mostly A7/A8 stick to iOS 12 where tessellation is not a realistic use case, rest of the devices are typically iOS 13 by now
    No update from Apple about the filed bug report for workarounds. (will recheck with them)

    closing due to very low impact

Log in to vote on this issue

Comments (1)

  1. krisnx

    Aug 06, 2020 08:00

    Hi,

    We are getting the similar crash with the below error trace

    Unity version : 2019.4.1f1
    Device : IPAD 6th generation
    IOS version : 12.2

    Error Trace:

    Execution of the command buffer was aborted due to an error during execution. Discarded (victim of GPU error/recovery) (IOAF code 5)
    Execution of the command buffer was aborted due to an error during execution. Discarded (victim of GPU error/recovery) (IOAF code 4)
    Execution of the command buffer was aborted due to an error during execution. Discarded (victim of GPU error/recovery) (IOAF code 2)

    Thanks,
    Navaneetha.

Add comment

Log in to post comment

All about bugs

View bugs we have successfully reproduced, and vote for the bugs you want to see fixed most urgently.

Latest issues

See all new issues