Status: Started
Owner: [email protected]
Labels: Type-Bug Priority-Medium OS-Windows Merge-Request-4.6
New issue 4410 by [email protected]: V8 freezes when CPU profiler is
started on certain AMD CPUs under Windows
https://code.google.com/p/v8/issues/detail?id=4410
It was caused by a deadlock in v8::base::RolloverProtectedTickClock::Now
It has been tracked as Chromium issue http://crbug.com/521420
The fix is landed as:
The following revision refers to this bug:
https://chromium.googlesource.com/v8/v8.git/+/6184f1fef6692db2e89cacd380013a4a1bf7e8b1
commit 6184f1fef6692db2e89cacd380013a4a1bf7e8b1
Author: alph <[email protected]>
Date: Tue Sep 01 18:32:39 2015
Fix CPU profiler deadlock on Windows + AMD CPU.
Implement a lock free version of RolloverProtectedTickClock::Now
to eliminate a deadlock.
BUG=chromium:521420
LOG=Y
Committed: https://crrev.com/d6db8e5902af1f067f0f149844f4e92824ee93f3
Cr-Commit-Position: refs/heads/master@{#30489}
Review URL: https://codereview.chromium.org/1304873011
Cr-Commit-Position: refs/heads/master@{#30522}
[modify]
http://crrev.com/6184f1fef6692db2e89cacd380013a4a1bf7e8b1/src/base/platform/time.cc
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