Try HW acceleration ON or OFF, ICS Webview has troubles with some CSS/CSS3 
+ HW acceleration. Also try to lower android:targetSdkVersion to 11 for 
example.


Le jeudi 11 octobre 2012 08:09:54 UTC+2, Johnabre a écrit :
>
> I have a complex, interactive HTML5 in an Android WebView - and it works 
> fine on basically all platforms except Galaxy S3.  On Galaxy S3 (Android 
> 4.0.4), once out of every 5 times or so, just after the load completes, 
> /system/lib/libwebcore.so tries to access invalid memory and a Fatal signal 
> 11 (SIGSEGV) at [various addresses] (code=1) is thrown.
>
> The HTML5 is a tiny battle where enemies appear and the user slashes them 
> to proceed.  In between battles are normal html pages: normal page -> HTML5 
> battle -> normal page -> HTML5 battle -> normal page -> HTML5 battle.  The 
> HTML5 doesn't do anything particularly out-of-the-box - there's a lot of 
> -webkit-animation calls...
>
>     .enemy {
>     position:absolute;
>     opacity:0;
>     -webkit-animation:enemyAnim 0.6s linear 0.2s;
>     }
>
> …that reference a lot of -webkit-keyframes...
>
>     @-webkit-keyframes enemyAnim {
>     from {
>      -webkit-transform: matrix(1, 0, 0, 1, 144.25, 150.25) scale(1, 1);
>      opacity:1;
>     }
>     8.33% {
>      -webkit-transform: matrix(1, 0, 0, 1, 189.406, 102.206) scale(1.3066, 
> 1.3066);
>      opacity:1;
>     }
>     16.66% {
>      -webkit-transform: matrix(1, 0, 0, 1, 200.424, 82.649) scale(1.414, 
> 1.414);
>      opacity:1;
>     }
>     /*…*/
>
> And a fairly complex div tree, but nothing particularly experimental. 
>  There's some level of Javascript, but the hangs appear to occur even with 
> all Javascript turned off.
>
> Has anyone ever had a problem with a Galaxy S3 being…different?  No 
> Android 2.x devices have this problem, and even a Galaxy Nexus running 
> 4.1.1 doesn't seem to have any particular problem.  I've never been tempted 
> to write to Stack Overflow before, but this is really vexing me...
>
> Searching on "Android WebView sigsegv crash" & "4.0.4 WebView sigsegv 
> crash" gives several issues, but:
>
> - webview.clearCache()/webView.destroyDrawingCache() don't seem to have an 
> effect (though this hang is clearly a memory issue, adding/removing 
> System.gc()s in various places had no great result)
> http://stackoverflow.com/questions/4973310/signal-11-sigsegv-crash-android
>
> - There's no use of canvas as in
>
> http://stackoverflow.com/questions/10989120/very-strange-crash-drawing-on-canvas-on-android-4-0-3-a-libc-fatal-signal-11
> (Yes I know - calling this page HTML5 is a bit of a stretch)
>
> - There's no use of clearView() as in
>
> http://stackoverflow.com/questions/12261523/execute-webview-loadurl-after-webview-clearview-multitimes-will-cause-crash
>
> - There's no use of preserve-3d as in
> http://code.google.com/p/android/issues/detail?id=16563
>
> - I looked at the changelist for android webkit looking for suspicious 
> fixes after 4.0.4, and thought I had something with the below, but rooting 
> the S3 and taking it to 4.1.1 didn't fix the issue:
>
> https://github.com/teamgummy/android_external_webkit/commit/61e0d189f2b74650bf72a6a2820f66a8b17c3d06
>
> Since some of the crashes are occuring during memory free()s, I know that 
> things are being free'd around the time of the crash and my gut feeling is 
> that some things are being freed mid-render that shouldn't be.  It's 
> frustrating because SIGSEGVs should be physically impossible with pure 
> HTML, JS, & CSS =/
>
> Below is a sample crash report.  Note that the crash location is not 
> limited to the below; crash reports don't seem to be wildly different but 
> there seems to be some variation in location.
>
>     10-08 17:34:06.605: I/DEBUG(524): *** *** *** *** *** *** *** *** *** 
> *** *** *** *** *** *** ***
>     10-08 17:34:06.605: I/DEBUG(524): Build fingerprint: 
> 'samsung/m0xx/m0:4.0.4/IMM76D/I9300XXBLH1:user/release-keys'
>     10-08 17:34:06.605: I/DEBUG(524): pid: 7443, tid: 7443  >>> 
> cool.tiny.rpg.battle <<<
>     10-08 17:34:06.605: I/DEBUG(524): signal 11 (SIGSEGV), code 1 
> (SEGV_MAPERR), fault addr deadbaad
>     10-08 17:34:06.605: I/DEBUG(524):  r0 deadbaad  r1 00000001  r2 
> 40000000  r3 00000000
>     10-08 17:34:06.605: I/DEBUG(524):  r4 00000000  r5 00000027  r6 
> 400d8540  r7 400e74f4
>     10-08 17:34:06.605: I/DEBUG(524):  r8 01fa7160  r9 00000000  10 
> bed6a584  fp 41d79970
>     10-08 17:34:06.605: I/DEBUG(524):  ip ffffffff  sp bed6a2b0  lr 
> 400b9639  pc 400b59c8  cpsr 68000030
>     10-08 17:34:06.605: I/DEBUG(524):  d0  0000000000000000  d1 
>  4343000000000000
>     10-08 17:34:06.605: I/DEBUG(524):  d2  43b6800041a00000  d3 
>  41a8000043020000
>     10-08 17:34:06.610: I/DEBUG(524):  d4  8000000000000000  d5 
>  43aa00003f800000
>     10-08 17:34:06.610: I/DEBUG(524):  d6  43a4000043430000  d7 
>  43cb000041a00000
>     10-08 17:34:06.610: I/DEBUG(524):  d8  4082f00000000000  d9 
>  4082f4000000025e
>     10-08 17:34:06.610: I/DEBUG(524):  d10 4460400000000500  d11 
> 0000000000000000
>     10-08 17:34:06.610: I/DEBUG(524):  d12 0000000000000000  d13 
> 0000000000000000
>     10-08 17:34:06.610: I/DEBUG(524):  d14 0000000000000000  d15 
> 0000000000000000
>     10-08 17:34:06.610: I/DEBUG(524):  d16 4076800000000000  d17 
> 7e37e43c8800759c
>     10-08 17:34:06.610: I/DEBUG(524):  d18 0000000000000000  d19 
> 0000000000000000
>     10-08 17:34:06.610: I/DEBUG(524):  d20 3ff0000000000000  d21 
> 8000000000000000
>     10-08 17:34:06.610: I/DEBUG(524):  d22 0000000000000000  d23 
> 0000000000000000
>     10-08 17:34:06.610: I/DEBUG(524):  d24 0000000000000000  d25 
> 3ff0000000000000
>     10-08 17:34:06.610: I/DEBUG(524):  d26 4034000000000000  d27 
> 3ff0000000000000
>     10-08 17:34:06.610: I/DEBUG(524):  d28 0000000000000000  d29 
> 3ff0000000000000
>     10-08 17:34:06.610: I/DEBUG(524):  d30 0000000000000000  d31 
> 3ff0000000000000
>     10-08 17:34:06.610: I/DEBUG(524):  scr 60000010
>     10-08 17:34:06.750: I/DEBUG(524):          #00  pc 000179c8 
>  /system/lib/libc.so
>     10-08 17:34:06.750: I/DEBUG(524):          #01  pc 00013852 
>  /system/lib/libc.so
>     10-08 17:34:06.750: I/DEBUG(524):          #02  pc 00015b90 
>  /system/lib/libc.so (dlfree)
>     10-08 17:34:06.750: I/DEBUG(524):          #03  pc 00016208 
>  /system/lib/libc.so (free)
>     10-08 17:34:06.750: I/DEBUG(524):          #04  pc 0010f79c 
>  /system/lib/libwebcore.so (_Z6yyfreePvS_)
>     10-08 17:34:06.750: I/DEBUG(524):          #05  pc 0010ef70 
>  /system/lib/libwebcore.so
>     10-08 17:34:06.750: I/DEBUG(524):          #06  pc 003ee8ec 
>  /system/lib/libwebcore.so
>     10-08 17:34:06.755: I/DEBUG(524):          #07  pc 003eef44 
>  /system/lib/libwebcore.so (_ZN7WebCore12LayerAndroidD1Ev)
>     10-08 17:34:06.755: I/DEBUG(524):          #08  pc 003eef84 
>  /system/lib/libwebcore.so (_ZN7WebCore12LayerAndroidD0Ev)
>     10-08 17:34:06.755: I/DEBUG(524):          #09  pc 0019b2ca 
>  /system/lib/libwebcore.so
>     10-08 17:34:06.755: I/DEBUG(524):          #10  pc 003ec6a0 
>  /system/lib/libwebcore.so (_ZN5Layer14removeChildrenEv)
>     10-08 17:34:06.755: I/DEBUG(524):          #11  pc 003ec782 
>  /system/lib/libwebcore.so (_ZN5LayerD2Ev)
>     10-08 17:34:06.760: I/DEBUG(524):          #12  pc 003eef70 
>  /system/lib/libwebcore.so (_ZN7WebCore12LayerAndroidD1Ev)
>     10-08 17:34:06.760: I/DEBUG(524):          #13  pc 003eef84 
>  /system/lib/libwebcore.so (_ZN7WebCore12LayerAndroidD0Ev)
>     10-08 17:34:06.760: I/DEBUG(524):          #14  pc 0019b2ca 
>  /system/lib/libwebcore.so
>     10-08 17:34:06.760: I/DEBUG(524):          #15  pc 003ec6a0 
>  /system/lib/libwebcore.so (_ZN5Layer14removeChildrenEv)
>     10-08 17:34:06.760: I/DEBUG(524):          #16  pc 003ec782 
>  /system/lib/libwebcore.so (_ZN5LayerD2Ev)
>     10-08 17:34:06.760: I/DEBUG(524):          #17  pc 003eef70 
>  /system/lib/libwebcore.so (_ZN7WebCore12LayerAndroidD1Ev)
>     10-08 17:34:06.760: I/DEBUG(524):          #18  pc 003eef84 
>  /system/lib/libwebcore.so (_ZN7WebCore12LayerAndroidD0Ev)
>     10-08 17:34:06.760: I/DEBUG(524):          #19  pc 0019b2ca 
>  /system/lib/libwebcore.so
>     10-08 17:34:06.760: I/DEBUG(524):          #20  pc 003ec6a0 
>  /system/lib/libwebcore.so (_ZN5Layer14removeChildrenEv)
>     10-08 17:34:06.765: I/DEBUG(524):          #21  pc 003ec782 
>  /system/lib/libwebcore.so (_ZN5LayerD2Ev)
>     10-08 17:34:06.765: I/DEBUG(524):          #22  pc 003eef70 
>  /system/lib/libwebcore.so (_ZN7WebCore12LayerAndroidD1Ev)
>     10-08 17:34:06.765: I/DEBUG(524):          #23  pc 003eef84 
>  /system/lib/libwebcore.so (_ZN7WebCore12LayerAndroidD0Ev)
>     10-08 17:34:06.765: I/DEBUG(524):          #24  pc 0019b2ca 
>  /system/lib/libwebcore.so
>     10-08 17:34:06.765: I/DEBUG(524):          #25  pc 003ec6a0 
>  /system/lib/libwebcore.so (_ZN5Layer14removeChildrenEv)
>     10-08 17:34:06.765: I/DEBUG(524):          #26  pc 003ec782 
>  /system/lib/libwebcore.so (_ZN5LayerD2Ev)
>     10-08 17:34:06.765: I/DEBUG(524):          #27  pc 003eef70 
>  /system/lib/libwebcore.so (_ZN7WebCore12LayerAndroidD1Ev)
>     10-08 17:34:06.765: I/DEBUG(524):          #28  pc 003eef84 
>  /system/lib/libwebcore.so (_ZN7WebCore12LayerAndroidD0Ev)
>     10-08 17:34:06.770: I/DEBUG(524):          #29  pc 0019b2ca 
>  /system/lib/libwebcore.so
>     10-08 17:34:06.770: I/DEBUG(524):          #30  pc 003ec6a0 
>  /system/lib/libwebcore.so (_ZN5Layer14removeChildrenEv)
>     10-08 17:34:06.770: I/DEBUG(524):          #31  pc 003ec782 
>  /system/lib/libwebcore.so (_ZN5LayerD2Ev)
>     10-08 17:34:06.770: I/DEBUG(524): memory map around addr deadbaad:
>     10-08 17:34:06.770: I/DEBUG(524): bed4a000-bed6b000 [stack]
>     10-08 17:34:06.770: I/DEBUG(524): (no map for address)
>     10-08 17:34:06.770: I/DEBUG(524): ffff0000-ffff1000 [vectors]
>     10-08 17:34:06.770: I/DEBUG(524): stack:
>     10-08 17:34:06.770: I/DEBUG(524):     bed6a270  00000001  
>     10-08 17:34:06.770: I/DEBUG(524):     bed6a274  bed6a2b0  [stack]
>     10-08 17:34:06.770: I/DEBUG(524):     bed6a278  400e2800 
>  /system/lib/libc.so
>     10-08 17:34:06.770: I/DEBUG(524):     bed6a27c  0000000c  
>     10-08 17:34:06.770: I/DEBUG(524):     bed6a280  400e2794 
>  /system/lib/libc.so
>     10-08 17:34:06.770: I/DEBUG(524):     bed6a284  400e7888  
>     10-08 17:34:06.770: I/DEBUG(524):     bed6a288  00000000  
>     10-08 17:34:06.770: I/DEBUG(524):     bed6a28c  400b9639 
>  /system/lib/libc.so
>     10-08 17:34:06.770: I/DEBUG(524):     bed6a290  00000000  
>     10-08 17:34:06.770: I/DEBUG(524):     bed6a294  bed6a2c4  [stack]
>     10-08 17:34:06.770: I/DEBUG(524):     bed6a298  400d8540 
>  /system/lib/libc.so
>     10-08 17:34:06.770: I/DEBUG(524):     bed6a29c  400e74f4  
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a2a0  01fa7160  [heap]
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a2a4  400b87a5 
>  /system/lib/libc.so
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a2a8  df0027ad  
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a2ac  00000000  
>     10-08 17:34:06.775: I/DEBUG(524): #00 bed6a2b0  bed6a2ac  [stack]
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a2b4  00000001  
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a2b8  400d8524 
>  /system/lib/libc.so
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a2bc  00000005  
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a2c0  bed6a2dc  [stack]
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a2c4  fffffbdf  
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a2c8  bed6a2dc  [stack]
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a2cc  bed6a2dc  [stack]
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a2d0  400dbaac 
>  /system/lib/libc.so
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a2d4  400b1857 
>  /system/lib/libc.so
>     10-08 17:34:06.775: I/DEBUG(524): #01 bed6a2d8  00000130  
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a2dc  20404040  
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a2e0  524f4241 
>  /dev/ashmem/dalvik-mark-stack (deleted)
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a2e4  474e4954 
>  /dev/ashmem/dalvik-heap (deleted)
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a2e8  4e49203a 
>  /dev/ashmem/dalvik-heap (deleted)
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a2ec  494c4156 
>  /dev/ashmem/dalvik-heap (deleted)
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a2f0  45482044 
>  /dev/ashmem/dalvik-heap (deleted)
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a2f4  41205041 
>  /dev/ashmem/dalvik-heap (deleted)
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a2f8  45524444 
>  /dev/ashmem/dalvik-heap (deleted)
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a2fc  49205353 
>  /dev/ashmem/dalvik-heap (deleted)
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a300  6c64204e  
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a304  65657266  
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a308  01f86700  [heap]
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a30c  406f6a2c 
>  /system/lib/libskia.so
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a310  406c4ecc 
>  /system/lib/libskia.so
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a314  3ff00000  
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a318  00000000  
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a31c  00000000  
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a320  00000000  
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a324  00000000  
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a328  00000000  
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a32c  01c9aa08  [heap]
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a330  00000000  
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a334  00000000  
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a338  00000000  
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a33c  3ff00000  
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a340  60d00000  
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a344  60e42ff0  
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a348  014bb000  
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a34c  400e74f4  
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a350  01bc24b0  [heap]
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a354  400e7550  
>     10-08 17:34:06.775: I/DEBUG(524):     bed6a358  01f74458  [heap]
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a35c  400e7528  
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a360  00000010  
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a364  400e74f4  
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a368  01f74460  [heap]
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a36c  00000000  
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a370  bed6a584  [stack]
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a374  400b3ba9 
>  /system/lib/libc.so
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a378  0211c9a0  [heap]
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a37c  020d499c  [heap]
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a380  000097a0 
>  /system/bin/app_process
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a384  00004000  
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a388  01d087b8  [heap]
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a38c  400e7560  
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a390  01dc6ef8  [heap]
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a394  400e7528  
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a398  01fd5378  [heap]
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a39c  400e7580  
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a3a0  01ddafa8  [heap]
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a3a4  01ddb008  [heap]
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a3a8  01ed4568  [heap]
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a3ac  400e7580  
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a3b0  00000068  
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a3b4  400e74f4  
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a3b8  01ed4570  [heap]
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a3bc  00000014  
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a3c0  00000000  
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a3c4  400b3ba9 
>  /system/lib/libc.so
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a3c8  00000000  
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a3cc  01ae77d8  [heap]
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a3d0  01fa7160  [heap]
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a3d4  01fd7d2c  [heap]
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a3d8  00000009  
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a3dc  4dfa26b2 
>  /dev/ashmem/dalvik-heap (deleted)
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a3e0  01fa7158  [heap]
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a3e4  01fd7d2c  [heap]
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a3e8  00000009  
>     10-08 17:34:06.780: I/DEBUG(524):     bed6a3ec  400b3b95 
>  /system/lib/libc.so
>

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