libretro / libretro/RetroArch

Rewind function makes RetroArch crash on iPadOS.

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Dominant language
C
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Description

Description

When rewind the game,RetroArch crashes soon and device returns to the home screen.

Expected behavior

After holding the rewind button for a while , the game should stop on the first frame which memory can contain.

Actual behavior

App crashes and device returns to iPadOS’s home screen.

Steps to reproduce the bug
  1. Start a game .(I've tried several different cores, the problem happens all the time)
  2. Holding the rewind button until the game reach the first frame which memory can contain.
Bisect Results

I have installed and tested iteratively, and confirmed that the Nightly version with the build date on April 25 started to have this problem.

Version/Commit

RetroArch version:1.15.0 (ios-arm64)
Build Date: Apr 25 2023

Environment information
  • OS: iPadOS

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the crash on iPadOS with RetroArch 1.15.0 (ios-arm64), using the April 25 build and several cores, then compare it with an earlier nightly to confirm the regression. The fix is complete when holding rewind reaches the first frame retained in memory without returning to the iPadOS home screen; the payload names no source file or test.

Written by the indexing model from the issue text.

Assessment

Tech stack
c, ios
Domain
mobile-dev
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
25/100

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