[Webkit-unassigned] [Bug 55728] [fileapi] Worker File API calls that create Blobs fail in debug builds due to random number generator thread assertion

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=55728





--- Comment #2 from Jian Li <jianli at chromium.org>  2011-03-03 17:34:31 PST ---
(In reply to comment #0)
> File API calls like FileEntry.file() fail when run in Worker threads due to an ASSERT(isMainThread()) in WTF::ARC4RandomNumberGenerator::randomNumber(), which is called by the UUID code utilized by BlobURL.
> 
> It's not clear to me whether the fix is to enable JSC_MULTIPLE_THREADS (which would wrap accesses in a Mutex) or to use a different RNG.

Which build do you see this problem? Chromium? OS? Could you please also attach the repro script?

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