[Webkit-unassigned] [Bug 116093] New: ARMv6 JIT plausible timing issues.

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue May 14 01:26:39 PDT 2013


           Summary: ARMv6 JIT plausible timing issues.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Other
               URL: http://youtube.com/tv
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: aga.azhar.ahmed at philips.com

Unable to load the http://www.youtube.com/tv on a target device. 

(error Log suggests ‘undefined’ invocation). JIT is enabled. Now when in JSC (Squirrel Fish Extreme), I disable JIT and rely only on the LLINT (C Loop) I am able to render the above page. 
On x86 version of the browser also I am able to load the above mentioned page. 

The details of the target device are as below

Processor       : ARMv6-compatible processor rev 7 (v6l)
Features        : swp half thumb fastmult vfp edsp java
CPU implementer : 0x41
CPU architecture: 7
CPU variant     : 0x0
CPU part        : 0xb76
CPU revision    : 7
Webkit Nightly Version: r-149577

It appears there is a timing or sequencing issue.

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