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Diffstat (limited to 'results/classifier/105/graphic/2389')
| -rw-r--r-- | results/classifier/105/graphic/2389 | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/results/classifier/105/graphic/2389 b/results/classifier/105/graphic/2389 new file mode 100644 index 000000000..08825cd11 --- /dev/null +++ b/results/classifier/105/graphic/2389 @@ -0,0 +1,47 @@ +graphic: 0.528 +semantic: 0.447 +instruction: 0.420 +other: 0.361 +device: 0.186 +mistranslation: 0.112 +network: 0.062 +vnc: 0.059 +assembly: 0.050 +socket: 0.033 +boot: 0.024 +KVM: 0.008 + +Mutex initialization assertion failure due to incompatibility with macOS setrlimit() syscall +Description of problem: +Running the command with with any set of arguments instantly crashes with the following error message: + +``` +Assertion failed: (mutex->initialized), function qemu_mutex_lock_impl, file ../util/qemu-thread-posix.c, line 92. +zsh: abort ./qemu-system-x86_64 +``` +Steps to reproduce: +As per instructions for building from scratch: + +1. `mkdir build && cd build` +2. `../configure --prefix=$PWD/.. --audio-drv-list=sdl --disable-cocoa --enable-sdl --enable-sdl-image` +3. `make && make install` +4. `cd ../bin` +5. `./qemu-system-x86_64` +Additional information: +The issue is coming from the `os_setup_limits()` function in `os-posix.c`. As it turns out, the `setrlimit()` syscall behaves subtly different on macOS than on Linux systems, and the macOS man pages explicitly forbade the code on line 273. + +Line 273 from `os-posix.c`: + +``` +nofile.rlim_cur = nofile.rlim_max; +``` + +macOS `setrlimit()` man page: + +``` +COMPATIBILITY + setrlimit() now returns with errno set to EINVAL in places that historically succeeded. It no longer accepts "rlim_cur = RLIM_INFINITY" for + RLIM_NOFILE. Use "rlim_cur = min(OPEN_MAX, rlim_max)". +``` + +The man page thankfully gives us the [patch](/uploads/e7c8c6e3b5620c3b1ee34e89661097f3/qemu.patch) |