On Sat, 14 Jan 2017, Holger Levsen wrote: > On Sat, Jan 14, 2017 at 09:50:43PM +0000, Holger Levsen wrote: > > and /dev/shm is owned by root:root and has perms 1755? > > actually I have both 1777 and 0755 here, which of the two is correct or > are both fine??
It has to be mode 01777, read+write. Otherwise, it breaks glibc's shm_* and SuS/POSIX compliance, and you get to keep the pieces of everthing that will fail in both subtle, and very non-subtle ways. Such as Google Chrome / chromium. -- Henrique Holschuh