arcore-android-sdk
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Published
20 hours ago •
google-ar
google-ar
Crash during ArSession_update with ndk
SPECIFIC ISSUE ENCOUNTERED
The app runs in a separate thread like the "Native Activity" sample from ndk-samples. During the update, it crashes everytime during ArSession_update.
It worked fine with the previous version ARCore SDK 1.20.0 and arcore services : 1.22.*
Another strange thing is that it crashes with ArSession_resume if this function is not called after vm->attachCurrentThread.
StackTrace:
A/DEBUG: #01 pc 00000000018c71a8 /data/app/~~UrUX4PMUiRCog3-D9N3UQA==/com.google.ar.core-e3WA7VXofffL2O7fwREVnA==/base.apk!libarcore_c.so (offset 0x6d9000) (BuildId: 27ae7334f1364bfb857a5468d39a1b65)
A/DEBUG: #02 pc 00000000018c6850 /data/app/~~UrUX4PMUiRCog3-D9N3UQA==/com.google.ar.core-e3WA7VXofffL2O7fwREVnA==/base.apk!libarcore_c.so (offset 0x6d9000) (BuildId: 27ae7334f1364bfb857a5468d39a1b65)
A/DEBUG: #03 pc 00000000018c5d80 /data/app/~~UrUX4PMUiRCog3-D9N3UQA==/com.google.ar.core-e3WA7VXofffL2O7fwREVnA==/base.apk!libarcore_c.so (offset 0x6d9000) (BuildId: 27ae7334f1364bfb857a5468d39a1b65)
A/DEBUG: #04 pc 0000000001919f64 /data/app/~~UrUX4PMUiRCog3-D9N3UQA==/com.google.ar.core-e3WA7VXofffL2O7fwREVnA==/base.apk!libarcore_c.so (offset 0x6d9000) (BuildId: 27ae7334f1364bfb857a5468d39a1b65)
A/DEBUG: #05 pc 0000000001904fd0 /data/app/~~UrUX4PMUiRCog3-D9N3UQA==/com.google.ar.core-e3WA7VXofffL2O7fwREVnA==/base.apk!libarcore_c.so (offset 0x6d9000) (ArSession_update+152) (BuildId: 27ae7334f1364bfb857a5468d39a1b65)
VERSIONS USED
- Android Studio: 4.1.2
- ARCore SDK for Android: 1.20
- Device manufacturer, model, and O/S: Google Pixel4, Android 11
- Google Play Services for AR (ARCore): 1.23.210260603
- Output of
adb shell getprop ro.build.fingerprint: google/flame/flame:11/RQ1A.210205.004/7038034:user/release-keys
STEPS TO REPRODUCE THE ISSUE
WORKAROUNDS (IF ANY)
ADDITIONAL COMMENTS
The sample "hello_ar_c" works but it uses the jni interface and ARCore is started from the main thread.
Can you please attach the lines above the stack traces? In particular, I'm missing #0 and the stanza; should look something like the following:
A/DEBUG: signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x0
A/DEBUG: Cause: null pointer dereference
A/DEBUG: x0 0000000000000000 x1 0000000000000001 x2 0000007d00200000 x3 ffffffffa13b4480
A/DEBUG: x4 00262db766000000 x5 0000007d72cbb512 x6 0000007e68b12000 x7 00000000021e0676
A/DEBUG: x8 0000007d46210c00 x9 00000000000000a0 x10 0000000000000000 x11 fe21891376d535c6
A/DEBUG: x12 0000000000000018 x13 000000005ec5ff4c x14 00392cca21477b8e x15 0000149ce56a88e5
A/DEBUG: x16 0000007d30a9d158 x17 0000007e63c72db4 x18 0000007cf2e88000 x19 0000007d075629b8
A/DEBUG: x20 0000007d463cc9c8 x21 0000007d46210d40 x22 0000000000000002 x23 0000007d02e79d10
A/DEBUG: x24 0000007d02e79ca0 x25 0000007d2f7de444 x26 0000007d07562a60 x27 0000007d07562a80
A/DEBUG: x28 0000007d07562b30 x29 0000000000000000
A/DEBUG: sp 0000007d07562950 lr 0000007d3075080c pc 0000007d30750820
A/DEBUG: backtrace:
A/DEBUG: #00 pc 000000000188f820 /data/app/com.google.ar.core-M8OGHXJfkmkQL_rYO3qBEg==/lib/arm64/libarcore_c.so (BuildId: 175ffad17680ec826eb04dd236251ce2)
...
Here are all the lines from the stack trace.
A/DEBUG: signal 11 (SIGSEGV), code 2 (SEGV_ACCERR), fault addr 0x76158c8ab0
A/DEBUG: x0 0000007742077010 x1 0000000000002c46 x2 0000007601ea482d x3 0000007603dc76d9
A/DEBUG: x4 000000761762d2a2 x5 000000761762d274 x6 000000000000005a x7 000000000000005a
A/DEBUG: x8 00000076158c8ab0 x9 0000000000000001 x10 0000000000000001 x11 0000000000000000
A/DEBUG: x12 0000000000000000 x13 2e676e696b636172 x14 0000007603c89440 x15 00000000287358e4
A/DEBUG: x16 0000007603b8be48 x17 00000079154be520 x18 0000007610b7c000 x19 0000000000002c46
A/DEBUG: x20 0000007603dc76a8 x21 0000007603dc76d9 x22 0000007603dc76a0 x23 0000007603dc7600
A/DEBUG: x24 0000007603ae3030 x25 000000761762d530 x26 0000000000000000 x27 000000761762d400
A/DEBUG: x28 0000007617630000 x29 0000007602188120
A/DEBUG: lr 00000076034fe1ac sp 000000761762d2d0 pc 00000076158c8ab0 pst 0000000080000000
A/DEBUG: backtrace:
A/DEBUG: #00 pc 0000000000007ab0 /data/app/~~zOvszruDGOb8bBFsaAvt8g==/ch.cpvr.wai-st8GSoyyJYATVEhMF4kUGA==/base.apk (offset 0x24aaf000)
A/DEBUG: #01 pc 00000000018c71a8 /data/app/~~ylKten5KJLRjrTc5PgmW9w==/com.google.ar.core-_pzCM-FdaGSUPjWp6P6OIw==/base.apk!libarcore_c.so (offset 0x6d9000) (BuildId: 27ae7334f1364bfb857a5468d39a1b65)
A/DEBUG: #02 pc 00000000018c6850 /data/app/~~ylKten5KJLRjrTc5PgmW9w==/com.google.ar.core-_pzCM-FdaGSUPjWp6P6OIw==/base.apk!libarcore_c.so (offset 0x6d9000) (BuildId: 27ae7334f1364bfb857a5468d39a1b65)
A/DEBUG: #03 pc 00000000018c5d80 /data/app/~~ylKten5KJLRjrTc5PgmW9w==/com.google.ar.core-_pzCM-FdaGSUPjWp6P6OIw==/base.apk!libarcore_c.so (offset 0x6d9000) (BuildId: 27ae7334f1364bfb857a5468d39a1b65)
A/DEBUG: #04 pc 0000000001919f64 /data/app/~~ylKten5KJLRjrTc5PgmW9w==/com.google.ar.core-_pzCM-FdaGSUPjWp6P6OIw==/base.apk!libarcore_c.so (offset 0x6d9000) (BuildId: 27ae7334f1364bfb857a5468d39a1b65)
A/DEBUG: #05 pc 0000000001904fd0 /data/app/~~ylKten5KJLRjrTc5PgmW9w==/com.google.ar.core-_pzCM-FdaGSUPjWp6P6OIw==/base.apk!libarcore_c.so (offset 0x6d9000) (ArSession_update+152) (BuildId: 27ae7334f1364bfb857a5468d39a1b65)
The problem occurs already during ArSession_resume when not called after attachCurrentThread: Here is the stack traces for that particular case:
A/DEBUG: signal 6 (SIGABRT), code -1 (SI_QUEUE), fault addr --------
A/DEBUG: Abort message: 'Scudo ERROR: invalid chunk state when deallocating address 0x00774206e950
'
A/DEBUG: x0 0000000000000000 x1 00000000000035a6 x2 0000000000000006 x3 000000761662e5b0
A/DEBUG: x4 0000808080808080 x5 0000808080808080 x6 0000808080808080 x7 0000000000000018
A/DEBUG: x8 00000000000000f0 x9 ea385307a0efa143 x10 0000000000000000 x11 ffffffc0fffffbdf
A/DEBUG: x12 0000000000000001 x13 000000bc867e8fec x14 001064877c04983d x15 00000000012cf5cc
A/DEBUG: x16 00000079154c6c80 x17 00000079154a8870 x18 000000760fe0e000 x19 000000000000358a
A/DEBUG: x20 00000000000035a6 x21 00000000ffffffff x22 000000774206e950 x23 0000007673187600
A/DEBUG: x24 000000761662eeb0 x25 0000007752054f90 x26 0000007671546000 x27 000000761662e8c0
A/DEBUG: x28 00000076715100a1 x29 000000761662e630
A/DEBUG: lr 000000791545c2a0 sp 000000761662e590 pc 000000791545c2cc pst 0000000000000000
A/DEBUG: backtrace:
A/DEBUG: #00 pc 000000000004e2cc /apex/com.android.runtime/lib64/bionic/libc.so (abort+164) (BuildId: 95f68a34fdf7b31f42d3f811d5d88f58)
A/DEBUG: #01 pc 0000000000042910 /apex/com.android.runtime/lib64/bionic/libc.so (scudo::die()+8) (BuildId: 95f68a34fdf7b31f42d3f811d5d88f58)
A/DEBUG: #02 pc 0000000000042f88 /apex/com.android.runtime/lib64/bionic/libc.so (scudo::ScopedErrorReport::~ScopedErrorReport()+32) (BuildId: 95f68a34fdf7b31f42d3f811d5d88f58)
A/DEBUG: #03 pc 00000000000431bc /apex/com.android.runtime/lib64/bionic/libc.so (scudo::reportInvalidChunkState(scudo::AllocatorAction, void*)+76) (BuildId: 95f68a34fdf7b31f42d3f811d5d88f58)
A/DEBUG: #04 pc 00000000000445d8 /apex/com.android.runtime/lib64/bionic/libc.so (scudo::Allocator<scudo::AndroidConfig, &(scudo_malloc_postinit)>::deallocate(void*, scudo::Chunk::Origin, unsigned long, unsigned long)+340) (BuildId: 95f68a34fdf7b31f42d3f811d5d88f58)
A/DEBUG: #05 pc 00000000018c78b0 /data/app/~~ylKten5KJLRjrTc5PgmW9w==/com.google.ar.core-_pzCM-FdaGSUPjWp6P6OIw==/base.apk!libarcore_c.so (offset 0x6d9000) (BuildId: 27ae7334f1364bfb857a5468d39a1b65)
A/DEBUG: #06 pc 00000000018c6ca8 /data/app/~~ylKten5KJLRjrTc5PgmW9w==/com.google.ar.core-_pzCM-FdaGSUPjWp6P6OIw==/base.apk!libarcore_c.so (offset 0x6d9000) (BuildId: 27ae7334f1364bfb857a5468d39a1b65)
A/DEBUG: #07 pc 00000000018c5f14 /data/app/~~ylKten5KJLRjrTc5PgmW9w==/com.google.ar.core-_pzCM-FdaGSUPjWp6P6OIw==/base.apk!libarcore_c.so (offset 0x6d9000) (BuildId: 27ae7334f1364bfb857a5468d39a1b65)
A/DEBUG: #08 pc 000000000191322c /data/app/~~ylKten5KJLRjrTc5PgmW9w==/com.google.ar.core-_pzCM-FdaGSUPjWp6P6OIw==/base.apk!libarcore_c.so (offset 0x6d9000) (BuildId: 27ae7334f1364bfb857a5468d39a1b65)
A/DEBUG: #09 pc 0000000001911f74 /data/app/~~ylKten5KJLRjrTc5PgmW9w==/com.google.ar.core-_pzCM-FdaGSUPjWp6P6OIw==/base.apk!libarcore_c.so (offset 0x6d9000) (BuildId: 27ae7334f1364bfb857a5468d39a1b65)
A/DEBUG: #10 pc 0000000001904cd4 /data/app/~~ylKten5KJLRjrTc5PgmW9w==/com.google.ar.core-_pzCM-FdaGSUPjWp6P6OIw==/base.apk!libarcore_c.so (offset 0x6d9000) (ArSession_resume+124) (BuildId: 27ae7334f1364bfb857a5468d39a1b65)`
I thought I was able to reproduce, but that turned out to be my own error.
Can you create a small reproducible case? I've tried using pthread_create, but no dice. Thanks.
I recreate a small project using the native_activity sample. It crashes in a similar way during ArSession_update.
https://github.com/LuLuc/NativeARCore.git
Thank you very much for the sample. Strangely, running it myself I am not able to reproduce the issue. Could I possibly ask what device you're running this sample on?
Best,
I tested on a Pixel4 and a Pixel3 and on both it crashes at ArSession_update or ArSession_resume (if _activity->vm->DetachCurrentThread() is called before ArSession_resume).
I just updated my sample app to check for the camera permission, otherwise ARCore will not be initialized and used then no crash.
Hello, I also get a crash on ArSession_update. I can reproduce it with this sample app from LuLuc. But for the sample, it starts crashing after the second time I start the sample app because in the first run arcore is not correctly initialised, because the camera permission is not yet given. There is no backtrace. The only corresponding output I get is the following:
2021-03-03 12:10:46.422 23876-23926/com.example.nativeAR I/native: session.cc:3140 Update Frame Delay to 3 frames.
2021-03-03 12:10:46.422 23876-23926/com.example.nativeAR A/libc: Fatal signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x0 in tid 23926 (Thread-4), pid 23876 (xample.nativeAR)
Thanks
Okay, if I delay the update call about 10 iterations I get the following crash dump:
2021-03-03 13:15:56.436 31337-31337/? I/crash_dump64: obtaining output fd from tombstoned, type: kDebuggerdTombstone
2021-03-03 13:15:56.436 1020-1020/? I/tombstoned: received crash request for pid 31238
2021-03-03 13:15:56.437 31337-31337/? I/crash_dump64: performing dump of process 31197 (target tid = 31238)
2021-03-03 13:15:56.443 31337-31337/? A/DEBUG: *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
2021-03-03 13:15:56.443 31337-31337/? A/DEBUG: Build fingerprint: 'google/blueline/blueline:11/RQ1A.210205.004/7038034:user/release-keys'
2021-03-03 13:15:56.443 31337-31337/? A/DEBUG: Revision: 'MP1.0'
2021-03-03 13:15:56.443 31337-31337/? A/DEBUG: ABI: 'arm64'
2021-03-03 13:15:56.444 31337-31337/? A/DEBUG: Timestamp: 2021-03-03 13:15:56+0100
2021-03-03 13:15:56.444 31337-31337/? A/DEBUG: pid: 31197, tid: 31238, name: Thread-4 >>> com.example.nativeAR <<<
2021-03-03 13:15:56.444 31337-31337/? A/DEBUG: uid: 10375
2021-03-03 13:15:56.444 31337-31337/? A/DEBUG: signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x0
2021-03-03 13:15:56.444 31337-31337/? A/DEBUG: Cause: null pointer dereference
2021-03-03 13:15:56.444 31337-31337/? A/DEBUG: x0 0000000000009117 x1 0000000000000000 x2 000000000000001b x3 ab9b0b81b1a00178
2021-03-03 13:15:56.444 31337-31337/? A/DEBUG: x4 0000000000000000 x5 42614c535e0c1c16 x6 161c0c5e534c6142 x7 6c6077642d6c6e62
2021-03-03 13:15:56.444 31337-31337/? A/DEBUG: x8 00000070998953e0 x9 0000007096c4cd00 x10 00000070998953e0 x11 0000000000000000
2021-03-03 13:15:56.444 31337-31337/? A/DEBUG: x12 0000000000000000 x13 0000000000000029 x14 000008ea510d81f8 x15 0016ff5367aef828
2021-03-03 13:15:56.444 31337-31337/? A/DEBUG: x16 0000000000000000 x17 00000073978f23c8 x18 0000007098838000 x19 00000070998953e0
2021-03-03 13:15:56.444 31337-31337/? A/DEBUG: x20 0000007174c53480 x21 0000007224c2dc10 x22 0000007224c2dc10 x23 0000007099896000
2021-03-03 13:15:56.444 31337-31337/? A/DEBUG: x24 0000007097b23030 x25 0000007099895590 x26 000000709615e18e x27 00000070998957b0
2021-03-03 13:15:56.444 31337-31337/? A/DEBUG: x28 0000007099896000 x29 00000070961f8b80
2021-03-03 13:15:56.444 31337-31337/? A/DEBUG: lr 0000007096c4cd34 sp 0000007099895320 pc 0000000000000000 pst 0000000060000000
2021-03-03 13:15:56.444 31337-31337/? A/DEBUG: backtrace:
2021-03-03 13:15:56.444 31337-31337/? A/DEBUG: #00 pc 0000000000000000 <unknown>
2021-03-03 13:15:56.444 31337-31337/? A/DEBUG: #01 pc 0000000000f74d30 /data/app/~~xk_Ib8wOLoD-_TTNSpnKew==/com.google.ar.core-lz7wQYrwTbFoYPA02RZCYw==/lib/arm64/libarcore_c.so (BuildId: 12a6b246e1c6647d4ddad44ae3097b3e)
2021-03-03 13:15:56.445 31337-31337/? A/DEBUG: #02 pc 0000000000f7bf7c /data/app/~~xk_Ib8wOLoD-_TTNSpnKew==/com.google.ar.core-lz7wQYrwTbFoYPA02RZCYw==/lib/arm64/libarcore_c.so (BuildId: 12a6b246e1c6647d4ddad44ae3097b3e)
2021-03-03 13:15:56.445 31337-31337/? A/DEBUG: #03 pc 0000000000f7ee6c /data/app/~~xk_Ib8wOLoD-_TTNSpnKew==/com.google.ar.core-lz7wQYrwTbFoYPA02RZCYw==/lib/arm64/libarcore_c.so (BuildId: 12a6b246e1c6647d4ddad44ae3097b3e)
2021-03-03 13:15:56.445 31337-31337/? A/DEBUG: #04 pc 00000000018d9f3c /data/app/~~xk_Ib8wOLoD-_TTNSpnKew==/com.google.ar.core-lz7wQYrwTbFoYPA02RZCYw==/lib/arm64/libarcore_c.so (BuildId: 12a6b246e1c6647d4ddad44ae3097b3e)
2021-03-03 13:15:56.445 31337-31337/? A/DEBUG: #05 pc 00000000018daf20 /data/app/~~xk_Ib8wOLoD-_TTNSpnKew==/com.google.ar.core-lz7wQYrwTbFoYPA02RZCYw==/lib/arm64/libarcore_c.so (BuildId: 12a6b246e1c6647d4ddad44ae3097b3e)
2021-03-03 13:15:56.445 31337-31337/? A/DEBUG: #06 pc 00000000018c6890 /data/app/~~xk_Ib8wOLoD-_TTNSpnKew==/com.google.ar.core-lz7wQYrwTbFoYPA02RZCYw==/lib/arm64/libarcore_c.so (ArSession_update+152) (BuildId: 12a6b246e1c6647d4ddad44ae3097b3e)
2021-03-03 13:15:56.445 31337-31337/? A/DEBUG: #07 pc 000000000002cc1c /data/app/~~dtBakZ-nFdskFEOINhRYEQ==/com.example.nativeAR-ccCcNtI4QlENvFQ4FcVYzg==/lib/arm64/libnative-activity.so (ARCore::update()+164) (BuildId: a3753f2d926e9498a2df2325387f6b99d8f3443c)
2021-03-03 13:15:56.445 31337-31337/? A/DEBUG: #08 pc 000000000002a5ec /data/app/~~dtBakZ-nFdskFEOINhRYEQ==/com.example.nativeAR-ccCcNtI4QlENvFQ4FcVYzg==/lib/arm64/libnative-activity.so (android_main+632) (BuildId: a3753f2d926e9498a2df2325387f6b99d8f3443c)
2021-03-03 13:15:56.445 31337-31337/? A/DEBUG: #09 pc 000000000002e22c /data/app/~~dtBakZ-nFdskFEOINhRYEQ==/com.example.nativeAR-ccCcNtI4QlENvFQ4FcVYzg==/lib/arm64/libnative-activity.so (BuildId: a3753f2d926e9498a2df2325387f6b99d8f3443c)
2021-03-03 13:15:56.445 31337-31337/? A/DEBUG: #10 pc 00000000000afd4c /apex/com.android.runtime/lib64/bionic/libc.so (__pthread_start(void*)+64) (BuildId: 95f68a34fdf7b31f42d3f811d5d88f58)
2021-03-03 13:15:56.445 31337-31337/? A/DEBUG: #11 pc 0000000000050288 /apex/com.android.runtime/lib64/bionic/libc.so (__start_thread+64) (BuildId: 95f68a34fdf7b31f42d3f811d5d88f58)
2021-03-03 13:15:56.450 1058-1669/? I/[email protected]_64: [GOOG_STATS] PDAF wrapper is successfully initialized
Thanks
In the sample ARCore example, the native interface from ARCore is used with from Java with JNI interface which works. Is ARCore meant to be used in a native application?
Has anyone made any progress on this? I'm having a very similar issue using the emulator (pixel 2)
