Your message dated Fri, 14 Jul 2023 18:23:12 +0200 with message-id <ZLF2cP/v5mvc+...@aurel32.net> and subject line Closing kfreebsd specific bugs has caused the Debian Bug report #761509, regarding libc0.1: sse control word not inherited in pthreads to be marked as done.
This means that you claim that the problem has been dealt with. If this is not the case it is now your responsibility to reopen the Bug report if necessary, and/or fix the problem forthwith. (NB: If you are a system administrator and have no idea what this message is talking about, this may indicate a serious mail system misconfiguration somewhere. Please contact ow...@bugs.debian.org immediately.) -- 761509: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=761509 Debian Bug Tracking System Contact ow...@bugs.debian.org with problems
--- Begin Message ---Package: libc0.1 Version: 2.19-11 X-Debbugs-CC: debian-...@lists.debian.org very similar to bug 761175 about the x87 control word. but the same issue affects the sse control word mxcsr. It was not fixed in -11 that fixed the x87 fpu. (sid_kfreebsd-amd64-dchroot)jtaylor@falla:~$ cat test2.c #include <pthread.h> #include <xmmintrin.h> #include <stdio.h> #include <fpu_control.h> #include <fenv.h> void *thread_fun(void *x_void_ptr) { fenv_t env; fegetenv(&env); printf("thread mxcsr %x\n", env.__mxcsr); return NULL; } int main() { pthread_t thread; fenv_t env; fegetenv(&env); printf("main mxcsr pre %x\n", env.__mxcsr); _MM_SET_FLUSH_ZERO_MODE (_MM_FLUSH_ZERO_ON); fegetenv(&env); printf("main mxcsr %x\n", env.__mxcsr); if(pthread_create(&thread, NULL, thread_fun, NULL)) { fprintf(stderr, "Error creating thread\n"); return 1; } if(pthread_join(thread, NULL)) { fprintf(stderr, "Error joining thread\n"); return 2; } return 0; } $ ./a.out main mxcsr pre 1f80 main mxcsr 9f80 thread mxcsr 1f80 $ apt-cache policy libc0.1 libc0.1: Installed: 2.19-11 Candidate: 2.19-11 Version table: *** 2.19-11 0 on linux the control word is inherited as per SysV abi section 3.4.2.
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--- Begin Message ---Starting with glibc 2.37-6 the support for kfreebsd has been dropped for the packaging (it has been broken for many years). Let's close the corresponding bugs. -- Aurelien Jarno GPG: 4096R/1DDD8C9B aurel...@aurel32.net http://aurel32.net
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