Segmentation fault when installing about sw

[egorpugin]

You could try to run debug build:
https://www.dropbox.com/s/f95cgvfic18qyev/sw.client.sw-0.3.1?dl=1

[egorpugin]

Uh-oh, I have to upload newer linux build.
Sorry for outdated stuff. I'll ping you here.

[egorpugin]

Ok, I've uploaded new version.
Please, try it.
Also you could check sw --self-upgrade command, which should update binary itself.

[nelimee]

Sorry for the delay and thank you for your quick answer!
The segmentation fault is fixed, but sw now outputs:

Exception in file D:/dev/cppan2/client2/src/sw/core/settings.cpp:116, function getValue: empty value for key: c

Output of sw -trace build:

----------------------------------------
Starting sw...
Checking remote version
Detected target: org.gnu.binutils.ar-0.0.1
Detected program: /usr/bin/ar
Detected target: org.gnu.gcc-9.1.0
Detected program: /usr/bin/gcc
Detected target: org.gnu.gpp-9.1.0
Detected program: /usr/bin/g++
Exception in file D:/dev/cppan2/client2/src/sw/core/settings.cpp:116, function getValue: empty value for key: c

[egorpugin]

Is that all? No output between these lines?

Detected program: /usr/bin/g++
Exception in file

Try to add -bt argument:
sw -bt -trace build

[nelimee]

Steps performed:

rm -rf ~/.sw/
git clone https://github.com/SoftwareNetwork/sw sw_test
cd sw_test
sw -bt -trace build

The output it exactly the same:

----------------------------------------
Starting sw...
Packages database was not found
Downloading database from origin remote
Detected target: org.gnu.binutils.ar-0.0.1
Detected program: /usr/bin/ar
Detected target: org.gnu.gcc-9.1.0
Detected program: /usr/bin/gcc
Detected target: org.gnu.gpp-9.1.0
Detected program: /usr/bin/g++
Exception in file D:/dev/cppan2/client2/src/sw/core/settings.cpp:116, function getValue: empty value for key: c

Did I forgot to remove something? A cache somewhere?

[egorpugin]

Did I forgot to remove something?

Should not be a problem.

I'll check linux build myself.

[nelimee]

Ok, thanks! Let me know if you need anything more from me!

[nelimee]

If this can help you, neither sw -help nor sw build -help show a -bt option with the binary you provided.

[egorpugin]

Could you try to catch throw using gdb and print backtrace?

[nelimee]

I have this

(gdb) bt
#0  __cxxabiv1::__cxa_throw (obj=0x165dbc0, tinfo=0x148aa50 <typeinfo for sw::RuntimeError>, dest=0x7512a0 <sw::RuntimeError::~RuntimeError()>) at /build/gcc/src/gcc/libstdc++-v3/libsupc++/eh_throw.cc:77
#1  0x0000000000853a94 in sw::TargetSetting::getValue[abi:cxx11]() const ()
#2  0x00000000008065eb in sw::SwCoreContext::setHostPrograms() ()
#3  0x00000000008056c3 in sw::SwCoreContext::SwCoreContext(std::filesystem::__cxx11::path const&) ()
#4  0x0000000000807519 in sw::SwContext::SwContext(std::filesystem::__cxx11::path const&) ()
#5  0x00000000008050d7 in createSwContext() ()
#6  0x000000000075e972 in cli_build() ()
#7  0x000000000077f39b in sw_main(std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&) ()
#8  0x000000000077e892 in setup_main(std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&) ()
#9  0x000000000077ff33 in parse_main(int, char**) ()
#10 0x0000000000780aa9 in SW_MAIN(int, char**) ()
#11 0x0000000000a8fb8b in PRIMITIVES_MAIN(int, char**) ()
#12 0x0000000000a8f52e in main ()

If you can provide me a version with debug enabled, I think I will be able to step into the program and maybe understand why there is an error. For the moment most of the values I have are "<optimized out>" and "No symbol table info available.".

[egorpugin]

bt

I see. Bt is fine and helpful.
Try to install the latest clang (8 or 9). Sw client was built with clang and sw tries to find clang to have same ABI for host programs.

I'll add more meaningful error message.

If you can provide me a version with debug enabled

Yes, probably I should distribute release with debug info build for linux as I already do for windows.

[nelimee]

After installing clang, it works... and it SegFault :(

I did a clean install of sw with

rm -rf ~/.sw
sw -self-upgrade
rm -rf ~/sw_test
git clone https://github.com/SoftwareNetwork/sw ~/sw_test
cd ~/sw_test

and ran

gdb sw
(gdb) r -trace -bt build

The output is here (with the output of bt).

[egorpugin]

After installing clang, it works... and it SegFault :(

Yes, I see it too. Investigating.

[egorpugin]

Oh, looking at your bt...
I saw this ares error inside grpc a lot of times (*nix only). Did not investigate yet.
I'll try to dig into it, but no eta.

You could try to restart sw many times and when it finally download all packages, execution should go further.

[nelimee]

It seems to block at org.sw.demo.qtproject.qt.base.tools.moc-5.13.1 for me. I re-started sw 5 times, and it now Segfault each time at the same moment, on the same package.
I don't know sw well for the moment, is there a way to generate a CMakeLists.txt from sw?

[egorpugin]

There's no cmake generator.
Other generators available with sw generate -g ...
https://github.com/SoftwareNetwork/sw/blob/master/src/sw/client/cli/generator/generator.h#L34

[egorpugin]

Of course, no segfault in debug config. Need to check rwdi.

[egorpugin]

Should be fixed now.
Use --self-upgrade or whatever.

The issue: c-ares/c-ares#279
Function does not have return statement.