[Webkit-unassigned] [Bug 260690] New: GPU process crash don't interrupt waiting Semaphore

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Aug 24 18:29:33 PDT 2023


            Bug ID: 260690
           Summary: GPU process crash don't interrupt waiting Semaphore
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mattwoodrow at apple.com
                CC: bfulgham at webkit.org, kkinnunen at apple.com,
                    simon.fraser at apple.com, zalan at apple.com

IPC::Semaphore doesn't get interrupted if it's waiting on a signal from a remote process that crashes.

RemoteImageBufferProxy uses a 15 second timeout, per buffer, so we can end up waiting many minutes if we crash during a transaction with lots of layer changes.

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