Hi, On Sun, Dec 04, 2016 at 07:59:48PM +0800, JingPiao Chen wrote: > Environment: Ubuntu 16.04 x86_64 > Version: dcc9b9cdb2cd6de7c5b300b8d1f5dfb3f0b31ab2 > > readv.test is fail on Ubuntu 16.04 x86_64 > > test-suite.log/readv.log: > > 251 FAIL: readv > 252 =========== > 253 > 254 ../strace: invalid descriptor '65534' > 255 readv.test: failed test: ../strace -a16 -eread=65534 -ewrite=65535 -e > trace=readv,writev ./readv failed with code 1 > 256 FAIL readv.test (exit status: 1)
Thanks for reporting. This was a limitation in strace, fixed by commit v4.14-195-g05ac490cc79e2369a60da23e696b67fcd6012762 that replaced old -eread=/-ewrite= implementation with a new bit set based one. > My patch: > > From c58e2972c732eb545c7c3bff76222f1806474a03 Mon Sep 17 00:00:00 2001 > From: JingPiao Chen <chenjingp...@foxmail.com> > Date: Sun, 4 Dec 2016 19:56:19 +0800 > Subject: [PATCH] tests: fix maximum fd in pipe_maxfd I think that if a test hits a bug, the first idea should be to fix the bug, not to workaround the bug in the test. -- ldv
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