|
From: John R. <jr...@bi...> - 2020-01-19 16:16:22
|
> ==== SB 2822 (evchecks 301498) [tid 1] 0x1005f5ecb __pthread_init+898 /usr/lib/system/libsystem_pthread.dylib+0xecb > 0x1005F5ECB: call 0x1005FD7A6 > 0x1005FD7A6: leaq 2759(%rip), %rcx > 0x1005FD7AD: xorl %eax,%eax > 0x1005FD7AF: movq %rcx,11002(%rip) > 0x1005FD7B6: movq %rax,11043(%rip) > 0x1005FD7BD: ud2 > > ==79936== valgrind: Unrecognised instruction at address 0x1005fd7bd. > ==80006== at 0x1005FD7BD: __pthread_init.cold.2 (in /usr/lib/system/libsystem_pthread.dylib) The pthread library has detected an impossible situation regarding system calls, and this is the calling sequence to report the fatal error to MacOS. The bad emulation happened some time ago. See https://bugs.kde.org/show_bug.cgi?id=383723#c23 of 2.5 years ago where a similar ud2 was found to result from an incomplete emulation of kevent_qos syscall. |