Public bug reported:
Binary package hint: parted
ubuntu-vm-builder (and the next generation VMBuilder) fails with the new
parted for two reasons. This bug is about the first.
The vm builder creates a disk image in a temporary directory, and then
uses parted to add a partition table (and partitions further on) to the
disk image (parted --script disk.img mklabel msdos). This commonly
takes place in a tmpfs. However, with the new parted, this fails because
open(2) tries to use O_DIRECT to which tmpfs responds with EINVAL.
I'm not entirely sure why the O_DIRECT flag was added to begin with (it
wasn't there in the parted version we shipped up until hardy), but
according to the open(2) man page, EINVAL is only returned if the
filesystem doesn't implement it, so perhaps if it could back to not use
O_DIRECT if this is returned?
** Affects: parted (Ubuntu)
Importance: Undecided
Status: New
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parted fails on disk images due to O_DIRECT
https://bugs.launchpad.net/bugs/252684
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