Hi, On a x86_64 system I'm getting permission denied when trying to chdir() into a directory where I have only 'x' permissions (be it with unix permissions or with posix ACLs). For the same layout of directory I can successfully chdir() on x86 as I can with older kernels of 2.6 series. In both cases the filesystem is tmpfs with support for posix ACLs and kernel is 3.1.0. Directory layout: drwx--x--- 3 root test 60 Nov 9 21:14 /tmp/btest drwxrwx--- 2 root test 40 Nov 9 21:14 /tmp/btest/subtest drwxr-x---+ 3 root root 60 Nov 9 21:10 /tmp/test drwxrwx---+ 2 root root 40 Nov 9 21:10 /tmp/test/subtest Posix ACLs # file: /tmp/test # owner: root # group: root user::rwx group::r-x group:test:--x mask::r-x other::--- # file: test/subtest/ # owner: root # group: root user::rwx group::r-x group:test:rwx mask::rwx other::--- When executing as user test (with test as only group), on x86_64 I get EPERM on chdir(X) where X is any one of the 4 directories above. On x86 I can chdir() into the directory without issue (as expected), and when in /tmp/test (or /tmp/btest) I get EPERM when trying to list contents - expected as well. Under subtest I can list content. The same results are obtained on XFS filesystem. Any idea what's wrong? Both test configs attached. Bruno
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x86.config.bz2
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x86_64.config.bz2
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