Bug 14520

Summary:

REGRESSION: Freeze in Java on activating javascript: link

Product:

WebKit

Reporter:

Alex Stapleton <alex.stapleton>

Component:

Java

Assignee:

Nobody <webkit-unassigned>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

ddkilzer, mrowe

Priority:

Keywords:

InRadar, Regression

Version:

523.x (Safari 3)

Hardware:

Mac

OS:

OS X 10.4

URL:

http://www.plusmarketsgroup.com/details.shtml?ISIN=GB0000031285

Attachments:

Description	Flags
Text Output from Spin Control	none
Symbolicated sample from 10.4	none

Alex Stapleton

Reported 2007-07-04 03:23:10 PDT

Click on the more> link above the chart on the right hand side of the page. WebKit should freeze.

Attachments
Text Output from Spin Control (28.47 KB, text/plain) 2007-07-04 03:24 PDT, Alex Stapleton	no flags	Details
Symbolicated sample from 10.4 (28.06 KB, text/plain) 2007-09-10 05:28 PDT, Mark Rowe (bdash)	no flags	Details
View All Add attachment proposed patch, testcase, etc.

Alex Stapleton

Comment 1 2007-07-04 03:24:31 PDT

Created attachment 15382 [details] Text Output from Spin Control

Alexey Proskuryakov

Comment 2 2007-07-06 04:07:38 PDT

Confirmed as a regression with r23922.

David Kilzer (:ddkilzer)

Comment 3 2007-07-07 11:43:18 PDT

<rdar://problem/5319435>

Maciej Stachowiak

Comment 4 2007-07-15 18:17:36 PDT

It seems very odd for http://trac.webkit.org/projects/webkit/changeset/23922 to have caused this.

Alexey Proskuryakov

Comment 5 2007-07-15 22:20:05 PDT

I haven't performed full regression testing - I've only tried r23922 and shipping Tiger WebKit.

Alex Stapleton

Comment 6 2007-09-10 05:15:44 PDT

Also reproduces all the way back to r21528 and in Safari 3.0 and apparently only under Tiger. Not a WebKit bug?

Mark Rowe (bdash)

Comment 7 2007-09-10 05:28:38 PDT

Created attachment 16245 [details] Symbolicated sample from 10.4 This appears to be specific to 10.4.x. It seems as though the main thread (Thread_1007) is deadlocked with the final thread (Thread_2603). Thread_2603 appears to be associated with a JVM that is attempting to create some type of native window. It is blocked waiting for a method to be called on the main thread. The main thread appears to be blocking in Java-related code below -[NSView _setWindow:]. A method named "MethodSwizzle" shows up there, which suggests something unpleasant is going on.

Mark Rowe (bdash)

Comment 8 2007-09-10 05:31:06 PDT

grep informs me that MethodSwizzle is a method inside JavaPluginCocoa.bundle. It seems highly sketchy that Java is blocking the main thread in response to a call to -[NSView _setWindow:]. My instinct here is to pass the blame to those doing the sketchy things.

David Kilzer (:ddkilzer)

Comment 9 2008-01-11 19:14:25 PST

This should be fixed as of Java Update 6 for Mac OS X 10.4. Alex, could you please verify? Thanks!

Note You need to log in before you can comment on or make changes to this bug.