Deadlock and MediaTracker

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From: Parmelan, Edouard (EP510777@exchange.FRANCE.NCR.com)
Date: Wed Jan 27 1999 - 13:10:12 EST


Hi,

I have just install libungif-4.1.0 and rebuild Kaffe
with the current CVS tree (with my configure.in patch)

A co-worker try the Animator demo from jdk1.1.7B witch
use GIF images.

When he runs 'appletviewer example1.html' and shift-click
in the Applet dialog, he get the followind deadlock trace:

efr21988:/home/loisance/Animator$ appletviewer example1.html
Dumping dynamic locks:
lock@822ab88 java/awt/MediaTrackerEntry held by `noone'
 .hd=0 .ct=0 .mx=8123bd8 .cv=81235b8
lock@81e29f8 java/awt/MediaTracker held by `Thread-0'
 .hd=822c010 .ct=1 .mx=80bb7b8 .cv=80bb798
Dumping static locks:
&gcman held by `gc'
 .hd=8158010 .ct=0 .mx=8123588 .cv=8123598
&finman held by `finaliser'
 .hd=814e010 .ct=0 .mx=8123568 .cv=8123578
&thread_start_lock held by `noone'
 .hd=0 .ct=0 .mx=8123548 .cv=8123558
&translatorlock held by `noone'
 .hd=0 .ct=0 .mx=80bb868 .cv=80bb878
&classLock held by `noone'
 .hd=0 .ct=0 .mx=80ba4b8 .cv=80ba4c8
&jarlock held by `noone'
 .hd=0 .ct=0 .mx=80ba418 .cv=80ba428
&classHashLock held by `noone'
 .hd=0 .ct=0 .mx=80ba3d8 .cv=80ba3e8
&utf8Lock held by `noone'
 .hd=0 .ct=0 .mx=80ba3b8 .cv=80ba3c8
&stringLock held by `noone'
 .hd=0 .ct=0 .mx=80ba398 .cv=80ba3a8
&gc_lock held by `noone'
 .hd=0 .ct=0 .mx=bff925d4 .cv=bff925dc
Dumping live threads:
`Thread-0' tid 822c010, status SUSPENDED flags DONTSTOP
 blockqueue 81235b8 (822c010->|)
`AWT-EventQueue-0' tid 8204010, status SUSPENDED flags
 blockqueue 80bb7bc (8204010->|)
`gc' tid 8158010, status SUSPENDED flags DONTSTOP
 blockqueue 8123598 (8158010->|)
`finaliser' tid 814e010, status SUSPENDED flags DONTSTOP
 blockqueue 8123578 (814e010->|)
Deadlock: all threads blocked on internal events
Abort

Hope this help,
Edouard.

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