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POUsing ndk-stack to read crash logs
 

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  1. POUsing ndk-stack to read crash logs
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    <p>I'm using <strong>cocos2d-x v2.1.4</strong> and I have this crash log from <code>logcat</code>:</p> <pre><code>I/DEBUG ( 6575): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** I/DEBUG ( 6575): Build fingerprint: 'acer/a500_ww_gen1/picasso:4.0.3/IML74K/1333032611:user/release-keys' I/DEBUG ( 6575): pid: 6680, tid: 6680 &gt;&gt;&gt; com.xxxxx.xxxxx &lt;&lt;&lt; I/DEBUG ( 6575): signal 11 (SIGSEGV), code 2 (SEGV_ACCERR), fault addr 5bd10d1f I/DEBUG ( 6575): r0 0000006e r1 5ceda8ec r2 00000000 r3 5bd10d1f I/DEBUG ( 6575): r4 00000000 r5 5bb4dfc1 r6 5bd13c38 r7 5ceda8ec I/DEBUG ( 6575): r8 00007530 r9 00000000 10 00000000 fp 5bd13c38 I/DEBUG ( 6575): ip 5bd76e4c sp 5ced9948 lr 5bb4e179 pc 5bb4dfce cpsr 00000030 I/DEBUG ( 6575): d0 0000000000000000 d1 0000000000000000 I/DEBUG ( 6575): d2 0000000000000000 d3 000000003f000000 I/DEBUG ( 6575): d4 0000000000000000 d5 0000000000000000 I/DEBUG ( 6575): d6 0000000000000000 d7 0000000000000000 I/DEBUG ( 6575): d8 0000000000000000 d9 0000000000000000 I/DEBUG ( 6575): d10 0000000000000000 d11 0000000000000000 I/DEBUG ( 6575): d12 0000000000000000 d13 0000000000000000 I/DEBUG ( 6575): d14 0000000000000000 d15 0000000000000000 I/DEBUG ( 6575): scr 80000012 I/DEBUG ( 6575): I/DEBUG ( 6575): #00 pc 0032ffce /data/data/com.xxxxx.xxxxx/lib/libgame.so I/DEBUG ( 6575): #01 pc 00330176 /data/data/com.xxxxx.xxxxx/lib/libgame.so I/DEBUG ( 6575): #02 pc 00330f68 /data/data/com.xxxxx.xxxxx/lib/libgame.so (curl_mvsnprintf) I/DEBUG ( 6575): #03 pc 00323e2c /data/data/com.xxxxx.xxxxx/lib/libgame.so (Curl_failf) I/DEBUG ( 6575): #04 pc 0031d39e /data/data/com.xxxxx.xxxxx/lib/libgame.so (Curl_resolv_timeout) I/DEBUG ( 6575): #05 pc 00329ea2 /data/data/com.xxxxx.xxxxx/lib/libgame.so (Curl_connect) </code></pre> <p>I can tell from this log that it was caused by a <code>cURL</code> method not properly finishing or something but I want to know which function causes the crash. I tried using <code>ndk-stack</code> but I am getting this result:</p> <pre><code>********** Crash dump: ********** Build fingerprint: 'acer/a500_ww_gen1/picasso:4.0.3/IML74K/1333032611:user/release-keys' pid: 6498, tid: 6498 &gt;&gt;&gt; com.xxxxx.xxxxx &lt;&lt;&lt; signal 11 (SIGSEGV), code 2 (SEGV_ACCERR), fault addr 5bb71d1f Stack frame #00 pc 0032ffce /data/data/com.xxxxx.xxxxx/lib/libgame.so: Unable to locate routine information for address 32ffce in module /Users/xxxxx/Desktop/xxxxx/_projects/xxxxx/xxxxx/proj.android/obj/local/armeabi/libgame.so Stack frame #01 pc 00330176 /data/data/com.xxxxx.xxxxx/lib/libgame.so: Unable to locate routine information for address 330176 in module /Users/xxxxx/Desktop/xxxxx/_projects/xxxxx/xxxxx/proj.android/obj/local/armeabi/libgame.so Stack frame #02 pc 00330f68 /data/data/com.xxxxx.xxxxx/lib/libgame.so (curl_mvsnprintf): Unable to locate routine information for address 330f68 in module /Users/xxxxx/Desktop/xxxxx/_projects/xxxxx/xxxxx/proj.android/obj/local/armeabi/libgame.so Stack frame #03 pc 00323e2c /data/data/com.xxxxx.xxxxx/lib/libgame.so (Curl_failf): Unable to locate routine information for address 323e2c in module /Users/xxxxx/Desktop/xxxxx/_projects/xxxxx/xxxxx/proj.android/obj/local/armeabi/libgame.so Stack frame #04 pc 0031d39e /data/data/com.xxxxx.xxxxx/lib/libgame.so (Curl_resolv_timeout): Unable to locate routine information for address 31d39e in module /Users/xxxxx/Desktop/xxxxx/_projects/xxxxx/xxxxx/proj.android/obj/local/armeabi/libgame.so Stack frame #05 pc 00329ea2 /data/data/com.xxxxx.xxxxx/lib/libgame.so (Curl_connect): Unable to locate routine information for address 329ea2 in module /Users/xxxxx/Desktop/xxxxx/_projects/xxxxx/xxxxx/proj.android/obj/local/armeabi/libgame.so </code></pre> <p>Is there a way to get more meaningful information from the stack trace? Or is it because I'm using <code>libcurl</code> which was compiled as static library, and ndk-stack wasn't able to find information about it?</p>
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    1. COjust struggled a few days ago with exactly the same problem. ndk-stack not a very useful solution - sometime it's drops out poor output.
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