GPU Address Faults and std::bad_alloc on iPhone 12

[demonsh]

Hi.
When running ExampleApp on iPhone 12 (A14 GPU), the command buffer is repeatedly aborted with GPU Address Fault errors.
Maybe device is not supported?

Logs f
MainMenuView appeared
Available examples:

• Sha256: Sha256
  ProofGenerationView initializing with example: Sha256
  ProofGenerationView initializing with example: Sha256
  ProofGenerationView body appeared
  Example details:
• Name: Sha256
• Directory: sha256
• ZKey path: Examples/sha256/circuit_final.zkey
• Witness path: Examples/sha256/witness.wtns
• Verification key path: Examples/sha256/verification_key.json
  Found zkey file at: /private/var/containers/Bundle/Application/A032E7B6-CCCF-4C33-A7B2-79A360605D4B/IMP1FrameworkExample.app/Examples/sha256/circuit_final.zkey
  Found witness file at: /private/var/containers/Bundle/Application/A032E7B6-CCCF-4C33-A7B2-79A360605D4B/IMP1FrameworkExample.app/Examples/sha256/witness.wtns
  Found verification key file at: /private/var/containers/Bundle/Application/A032E7B6-CCCF-4C33-A7B2-79A360605D4B/IMP1FrameworkExample.app/Examples/sha256/verification_key.json
  Starting proof generation for Sha256
  [INFO] Metal device 'Apple A14 GPU' initialized successfully.
  [WARNING] Metal backend doesn't support async calls when using host memory.
  [WARNING] Metal backend doesn't support async calls when using host memory.
  Execution of the command buffer was aborted due to an error during execution. Caused GPU Address Fault Error (0000000b:kIOGPUCommandBufferCallbackErrorPageFault)
  Execution of the command buffer was aborted due to an error during execution. Caused GPU Address Fault Error (0000000b:kIOGPUCommandBufferCallbackErrorPageFault)
  Execution of the command buffer was aborted due to an error during execution. Ignored (for causing prior/excessive GPU errors) (00000004:kIOGPUCommandBufferCallbackErrorSubmissionsIgnored)
  Execution of the command buffer was aborted due to an error during execution. Ignored (for causing prior/excessive GPU errors) (00000004:kIOGPUCommandBufferCallbackErrorSubmissionsIgnored)

[jeremyfelder]

Hey @demonsh
Thanks for bringing this to our attention. Do you remember what commit you were running the example app on?

[demonsh]

Hi @jeremyfelder

This is the latest commit from my local env.

commit ff2c2ab (HEAD -> main, origin/main, origin/HEAD)
Author: Otsar 122266060+Shalmoni@users.noreply.github.com
Date: Mon Jun 30 09:51:46 2025 +0300