Sorry, Nuno. I've never tried thread-sanitizer. Instead, strace on linux or connecting from a debugger on all platforms were helpful.
Kind regards, Robert Iakobashvili ............................ On Fri, Jul 19, 2024 at 1:52 PM Nuno Santos <nuno.san...@imaginando.pt> wrote: > Dennis, > Robert, > > One more question. > > When using thread sanitiser in the MacOS version I can only see "SUMMARY: > ThreadSanitizer: data race”. A lot of them. > > Can data race cause deadlocks? > > Or should I explicitly look for deadlock: "lock-order-inversion (potential > deadlock)” > > Thanks! > > Regards, > > Nuno > > On 19 Jul 2024, at 11:41, Nuno Santos <nuno.san...@imaginando.pt> wrote: > > Dennis, > > I’m willing to try to run this on Linux and see if I can spot anything > there. It might take me a while to setup though. > > I have built Qt with -sanitize thread. > > When using that kit, the -fsanitize=thread option is automatically applied > to the program as well, manually applying: > > QMAKE_CXXFLAGS += -fsanitize=thread > > Makes that option appear two times in the compilation: > > /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ > -c -pipe -stdlib=libc++ -fsanitize=thread -O2 -std=gnu++1z -arch arm64 > -isysroot > /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk > -mmacosx-version-min=11.0 -fsanitize=thread -fno-omit-frame-pointer -Wall > -Wextra … > > Regarding compiler versions: > > /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ > --version > Apple clang version 15.0.0 (clang-1500.1.0.2.5) > Target: arm64-apple-darwin23.4.0 > Thread model: posix > > Regards, > > Nuno > > On 19 Jul 2024, at 11:34, Dennis Luehring <dl.so...@gmx.net> wrote: > > Am 19.07.2024 um 12:30 schrieb Nuno Santos: > > That’s the biggest problem. It happens soooo RARELY. > > We can’t find a sistematic way of reproducing it. That is why I was trying > to find a more analytical way of detecting it. > > > can you're app be build and run on linux - sometimes the problems > getting better detectable when switching OS - another time :) > > > still not clear if you really build Qt AND your app with TSAN (i don't > think so) and if you're using latest compilers available > > > > > > > > > >
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