On Tue, 2017-02-21 at 14:18 -0700, Sean Whitton wrote: > On Tue, Feb 21, 2017 at 02:37:23AM +0000, Ben Hutchings wrote: > > > * with /tmp on tmpfs on some archs > > > > [...] > > > > You mean the 64-bit PowerPC architectures? tmpfs allocates at > > least a > > page per file, and they have 64K pages... > > I'm not sure why you're mentioned powerpc archs, but as a hopefully > relevant data point, two of my arch:all packages FTBFS when / is a > tmpfs. There are some weird permissions errors from the test suites. That sounds like a kernel bug - tmpfs is meant to implement permissions (including ACLs) just like a "normal" filesystem (e.g. ext4). Having said that, some ioctls that make sense for block-backed filesystems, such as FS_IOC_FIEMAP, won't work on a tmpfs (or nfs, ubifs, etc.). Ben. -- Ben Hutchings 73.46% of all statistics are made up.
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