[pkg-cryptsetup-devel] Bug#811456: Bug#811456: Unable to find seq in shutdown

[Guilhem Moulin]

Hi Klaus,

On Tue, 19 Jan 2016 at 08:08:42 +0100, Klaus Ethgen wrote:
> This might be a regression of the earlier bugfix to not loop forever.

Of #792552 actually (my bad).  (#810380, which you're referring to, was
itself a regression of #792552 but I reverted the patch and reworked it
from scratch.)  Didn't spot this during tests since seq comes from
busybox which is in cryptsetup's Recommends.  So in the meantime, a
workaround is to install busybox.

> However, it has a bad taste for me to do that looping.

Could you expand on this?  #792552 shows a desire to try again to close
a device when it's busy on the first try.  I didn't add the seq to fix
the endless loop you reported in #810380, but to make the script
eventually bail out (with open crypt devices) and proceed with the
shutdown instead of trying forever *if for some reason the disk keeps
being busy*.  (In most cases it'll be closed on the first try and the
script will move on the next crypttab(5) entry.)

Cheers,
-- 
Guilhem.
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