Hi, guys. I just built AOSP on my macbook using branch *android-11.0.0_r17* 
and the lunch target is  *aosp_blueline-user*. I followed all the official 
instructions and got a successful build output. But when I flash the build 
to my pixel 3 phone and try it out. The camera video capture function just 
can't work. When I press the video capture button the app freezes and the 
ANR dialog prompts out and at the same time the logcat prints some error 
messages:

*2021-06-17 11:33:58.224 26596-26596/? A/DEBUG: *** *** *** *** *** *** *** 
*** *** *** *** *** *** *** *** ****
*2021-06-17 11:33:58.224 26596-26596/? A/DEBUG: Build fingerprint: 
'Android/aosp_blueline/blueline:11/RP1A.201105.002/eng.liulif.20210616.170506:user/test-keys'*
*2021-06-17 11:33:58.224 26596-26596/? A/DEBUG: Revision: 'MP1.0'*
*2021-06-17 11:33:58.224 26596-26596/? A/DEBUG: ABI: 'arm64'*
*2021-06-17 11:33:58.225 26596-26596/? A/DEBUG: Timestamp: 2021-06-17 
11:33:58+0800*
*2021-06-17 11:33:58.225 26596-26596/? A/DEBUG: pid: 26584, tid: 26584, 
name: mediaextractor  >>> /system/bin/mediaextractor <<<*
*2021-06-17 11:33:58.225 26596-26596/? A/DEBUG: uid: 1040*
*2021-06-17 11:33:58.225 26596-26596/? A/DEBUG: signal 6 (SIGABRT), code -1 
(SI_QUEUE), fault addr --------*
*2021-06-17 11:33:58.225 26596-26596/? A/DEBUG:     x0  0000000000000000  
x1  00000000000067d8  x2  0000000000000006  x3  0000007fd9143d40*
*2021-06-17 11:33:58.225 26596-26596/? A/DEBUG:     x4  0000000000000034  
x5  0000000000000034  x6  0000000000000034  x7  0000000000000034*
*2021-06-17 11:33:58.225 26596-26596/? A/DEBUG:     x8  00000000000000f0  
x9  f414f4897a41b472  x10 0000000000000000  x11 ffffffc0ffffffdf*
*2021-06-17 11:33:58.225 26596-26596/? A/DEBUG:     x12 0000000000000001  
x13 206466206d6f7266  x14 00000075ff17ed22  x15 000a7c801a850154*
*2021-06-17 11:33:58.225 26596-26596/? A/DEBUG:     x16 00000075ff17bc80  
x17 00000075ff15d3b0  x18 0000007602aae000  x19 00000000000067d8*
*2021-06-17 11:33:58.225 26596-26596/? A/DEBUG:     x20 00000000000067d8  
x21 00000000ffffffff  x22 0000000000000000  x23 0000007601ff3000*
*2021-06-17 11:33:58.225 26596-26596/? A/DEBUG:     x24 0000007601ff3000  
x25 000000738ed9b0e8  x26 0000000000000002  x27 0000000000000000*
*2021-06-17 11:33:58.225 26596-26596/? A/DEBUG:     x28 0000000000000000  
x29 0000007fd9143dc0*
*2021-06-17 11:33:58.225 26596-26596/? A/DEBUG:     lr  00000075ff110e20  
sp  0000007fd9143d20  pc  00000075ff110e4c  pst 0000000000000000*
*2021-06-17 11:33:58.228 26596-26596/? A/DEBUG: backtrace:*
*2021-06-17 11:33:58.228 26596-26596/? A/DEBUG:       #00 pc 
000000000004de4c  /apex/com.android.runtime/lib64/bionic/libc.so 
(abort+164) (BuildId: 0d88bf62691b14ff4287d2637426385f)*
*2021-06-17 11:33:58.228 26596-26596/? A/DEBUG:       #01 pc 
0000000000012138  /system/lib64/libminijail.so (do_fatal_log+288) (BuildId: 
34e38a0ea0fc0c28600c8a331880f42b)*
*2021-06-17 11:33:58.228 26596-26596/? A/DEBUG:       #02 pc 
000000000000b958  /system/lib64/libminijail.so 
(minijail_parse_seccomp_filters_from_fd+276) (BuildId: 
34e38a0ea0fc0c28600c8a331880f42b)*
*2021-06-17 11:33:58.228 26596-26596/? A/DEBUG:       #03 pc 
0000000000002984  /system/lib64/libavservices_minijail.so 
(android::SetUpMinijailList(std::__1::basic_string<char, 
std::__1::char_traits<char>, std::__1::allocator<char> > const&, 
std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, 
std::__1::allocator<char> >, 
std::__1::allocator<std::__1::basic_string<char, 
std::__1::char_traits<char>, std::__1::allocator<char> > > > const&) 
(.cfi)+616) (BuildId: f50e473049ba38a9d60df9d1dfcce80b)*
*2021-06-17 11:33:58.228 26596-26596/? A/DEBUG:       #04 pc 
00000000000026c4  /system/lib64/libavservices_minijail.so 
(android::SetUpMinijail(std::__1::basic_string<char, 
std::__1::char_traits<char>, std::__1::allocator<char> > const&, 
std::__1::basic_string<char, std::__1::char_traits<char>, 
std::__1::allocator<char> > const&) (.cfi)+88) (BuildId: 
f50e473049ba38a9d60df9d1dfcce80b)*
*2021-06-17 11:33:58.228 26596-26596/? A/DEBUG:       #05 pc 
000000000000112c  /system/bin/mediaextractor (main.cfi+192) (BuildId: 
edd83fdd4235a0ef3eafcf5937896835)*
*2021-06-17 11:33:58.228 26596-26596/? A/DEBUG:       #06 pc 
0000000000049418  /apex/com.android.runtime/lib64/bionic/libc.so 
(__libc_init+108) (BuildId: 0d88bf62691b14ff4287d2637426385f)*

Does anyone have ideas on how to solve this? Thanks.

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