From b444e8f7cc40265c9a20ce5de5f3f6795b7f5028 Mon Sep 17 00:00:00 2001 From: Adhemerval Zanella Date: Tue, 10 Jul 2018 09:24:40 -0300 Subject: Comment tst-ofdlocks-compat expected failure in some Linux releases As pointed out in a libc-alpha thread [1], the misc/tst-ofdlocks-compat may fail in some specific Linux releases. This patch adds a comment along with a link to discussion in the test source code. No changes are expected. * sysdeps/unix/sysv/linux/tst-ofdlocks-compat.c: Add a comment about a kernel issue which lead to test failure in some cases. [1] https://sourceware.org/ml/libc-alpha/2018-07/msg00243.html --- sysdeps/unix/sysv/linux/tst-ofdlocks-compat.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'sysdeps/unix') diff --git a/sysdeps/unix/sysv/linux/tst-ofdlocks-compat.c b/sysdeps/unix/sysv/linux/tst-ofdlocks-compat.c index d1d00eb3fb..03c4abfeff 100644 --- a/sysdeps/unix/sysv/linux/tst-ofdlocks-compat.c +++ b/sysdeps/unix/sysv/linux/tst-ofdlocks-compat.c @@ -40,6 +40,14 @@ do_prepare (int argc, char **argv) #define PREPARE do_prepare +/* Linux between 4.13 and 4.15 return EOVERFLOW for LFS OFD locks usage + in compat mode (non-LFS ABI running on a LFS default kernel, such as + i386 on a x86_64 kernel or s390-32 on a s390-64 kernel) [1]. This is + a kernel issue because __NR_fcntl64 is the expected way to use OFD locks + (used on GLIBC for both fcntl and fcntl64). + + [1] https://sourceware.org/ml/libc-alpha/2018-07/msg00243.html */ + static int do_test (void) { -- cgit 1.4.1