You may be able to run with this patch: diff --git a/src/lwp/lwp.c b/src/lwp/lwp.c index 496e773e00..0904ebff3e 100644 --- a/src/lwp/lwp.c +++ b/src/lwp/lwp.c @@ -353,6 +353,8 @@ LWP_CreateProcess(void *(*ep) (void *), int stacksize, int priority, void *parm, stackptr = (char *)(8 * (((long)stackmemory + 7) / 8)); #endif /* !AFS_DARWIN_ENV */ #endif + /* Gross hack to change stack alignment. */ + stackptr += 8; if (priority < 0 || priority >= MAX_PRIORITIES) { free(temp); #ifndef AFS_AIX32_ENV
If that doesn't work, I'd try compiling (everything) with gcc -O0 and see if that helps -- the stack alignment only becomes an issue when some of the newer fancy instructions are used. -Ben On Mon, Apr 08, 2019 at 08:50:19AM +0200, Andreas Ladanyi wrote: > I cant see crashes when compiling with gcc. The "bos" binary was built. > But "bus error" occurs when executing the "bos" binary. > > if i understand you correctly the error is in the LWP code. There is a > workaround for this issue only for clang. So if i use clang to compile > the "bos" binary could start without "bus error" ? > > > Am 07.04.19 um 20:44 schrieb Benjamin Kaduk: > > I don't think that's a requirement, no. > > (Were the crashes with a gcc-compiled version?) > > > > -Ben > > > > On Sun, Apr 07, 2019 at 08:17:44PM +0200, Andreas Ladanyi wrote: > >> Ok so i have to compile OpenAFS 1.8 with clang instead of gcc at FreeBSD ? > >> > >> > >> Am 06.04.19 um 04:33 schrieb Benjamin Kaduk: > >>> On Fri, Apr 05, 2019 at 08:39:23AM +0200, Andreas Ladanyi wrote: > >>>> Hi, > >>>> > >>>> i compiled afs 1.8.2 on freebsd 11.2. When i want to execute bos command > >>>> it shows me a "Bus Error". If i understand the problem correctly the > >>>> problem is that bos wants to access memory which CPU physically cant > >>>> access. > >>>> > >>>> Do i have to set some flags at configure time, before make ? > >>> The LWP code ends up with a misaligned stack for the green thread and it's > >>> kind of messy to track down a fix that works on all OS versions and with > >>> all compilers. > >>> > >>> The ports collection makefile adds -mstackrealign for clang, to work > >>> around > >>> this issue. The hope is that for OpenAFS 2.0 we'll have LWP entirely gone > >>> and not need to worry about this any more... > >>> > >>> -Ben > >>> _______________________________________________ > >>> OpenAFS-info mailing list > >>> OpenAFS-info@openafs.org > >>> https://lists.openafs.org/mailman/listinfo/openafs-info > > _______________________________________________ > > OpenAFS-info mailing list > > OpenAFS-info@openafs.org > > https://lists.openafs.org/mailman/listinfo/openafs-info _______________________________________________ OpenAFS-info mailing list OpenAFS-info@openafs.org https://lists.openafs.org/mailman/listinfo/openafs-info