From 0369b14474ed7cd0a0bdd2af4157927126a03713 Mon Sep 17 00:00:00 2001 From: Enji Cooper Date: Wed, 5 Nov 2014 16:38:57 +0000 Subject: Expect lib.libc.sys.getcontext_test.setcontext_link to fail on amd64; add additional debugging to make the underlying problem more visible Calling setcontext(2) on amd64 as shown in the test program is failing on amd64, not i386, with a return code of -1 and an errno of EINVAL Further investigation is being done in the PR to determine the root cause for the failure PR: 194828 Tested with the following configuration: - amd64/i386 - 11.0-CURRENT @ r273153 - 100 times in a tight loop as root with the following commands... -- kyua test lib/libc -- kyua test lib/libc/sys -- kyua test lib/libc/sys/getcontext_test --- contrib/netbsd-tests/lib/libc/sys/t_getcontext.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'contrib') diff --git a/contrib/netbsd-tests/lib/libc/sys/t_getcontext.c b/contrib/netbsd-tests/lib/libc/sys/t_getcontext.c index 3a2d9f73f5d1..ed43df57eb04 100644 --- a/contrib/netbsd-tests/lib/libc/sys/t_getcontext.c +++ b/contrib/netbsd-tests/lib/libc/sys/t_getcontext.c @@ -101,6 +101,13 @@ ATF_TC_BODY(setcontext_link, tc) ucontext_t save; volatile int i = 0; /* avoid longjmp clobbering */ +#ifdef __FreeBSD__ +#ifdef __amd64__ + atf_tc_expect_fail("setcontext in this testcase fails on " + "FreeBSD/amd64 with rc == -1/errno == EINVAL; see PR # 194828"); +#endif +#endif + for (i = 0; i < DEPTH; ++i) { ATF_REQUIRE_EQ(getcontext(&uc[i]), 0); @@ -114,8 +121,15 @@ ATF_TC_BODY(setcontext_link, tc) ATF_REQUIRE_EQ(getcontext(&save), 0); +#ifdef __FreeBSD__ + if (calls == 0) { + int rc = setcontext(&uc[DEPTH-1]); + ATF_REQUIRE_EQ_MSG(rc, 0, "%d != 0; (errno = %d)", rc, errno); + } +#else if (calls == 0) ATF_REQUIRE_EQ(setcontext(&uc[DEPTH-1]), 0); +#endif } ATF_TP_ADD_TCS(tp) -- cgit v1.2.3