8000 Bus error when running hello on SGX2 · Issue #21 · ratel-enclave/ratel · GitHub
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StanPlatinum opened this issue May 3, 2021 · 3 comments
Open

Bus error when running hello on SGX2 #21

StanPlatinum opened this issue May 3, 2021 · 3 comments

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@StanPlatinum
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Dear Ratel developers,

Very good work! Big fan!

I followed the readme and build ratel on my NUC7PJYH box machine successfully, yet encountered a problem when running the hello demo.

Below is the log collected from /opt/intel/sgxsdk/bin/sgx-gdb

(gdb) r -- ./dbt_test/hello
Starting program: /home/ratel/ratel/ratel -- ./dbt_test/hello
process 15992 is executing new program: /home/ratel/ratel/libapp.so
detect urts is loaded, initializing
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
add-symbol-file '/home/ratel/ratel/libdynamorio.so' 0x600000022fc0 -readnow -s .note.gnu.build-id 0x6000000001c8  -s .hash 0x6000000001f0  -s .gnu.hash 0x600000000220  -s .dynsym 0x600000000258  -s .dynstr 0x6000000002e8  -s .gnu.version 0x600000000326  -s .gnu.version_d 0x600000000338  -s .rela.dyn 0x600000000370  -s .rodata 0x600000338e00  -s .eh_frame_hdr 0x6000003c7870  -s .eh_frame 0x6000003cf5f8  -s .fini_array 0x6000005f12e8  -s .data.rel.ro 0x6000005f1300  -s .dynamic 0x600000614e50  -s .got 0x600000614ff0  -s .got.plt 0x600000615000  -s .data 0x600000616000  -s .nspdata 0x600000620000  -s .cspdata 0x600000630280  -s .fspdata 0x600000632000  -s .bss 0x600000634020 
[New Thread 0x7ffff569b700 (LWP 16003)]

Thread 1 "libapp.so" received signal SIGBUS, Bus error.
0x00006000003375b4 in __intel_new_memset ()

Any ideas? Thanks in advance!
@ratel-enclave
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Owner

Thanks for your interest in our Ratel. We will do an investigation into this and get back to you as soon as possible.

@StanPlatinum
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Thanks!
FYI. The problem is happening on my NUC box (SGX2) machine. Ratel works fine on my another laptop. I doubt the issue is due to the box machine's weird SGX support. You can ignore it and feel free to close it.

@ratel-enclave
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Owner

Thanks for giving this info. Ratel now doesn't have support to SGX2 yet. We further confirmed this on SGX2 machine. It needs extra efforts to re-adapt for it. We may advance Ratel to SGX2 in the future.

@ratel-enclave ratel-enclave changed the title bus error when running hello Bus error when running hello on SGX2 May 16, 2021
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@StanPlatinum @ratel-enclave
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