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Andreas Beckmann wrote:
> Package: util-vserver
> Version: 0.30.210-3
> Followup-For: Bug #360885
>
> The script fails after
>
> ...
> + '[' -e /proc/self/vinfo ']'
> + showattr -d /
> + awk '{print $1}'
> + grep -q B
>
> because grep returns 1 on mismatch and this terminates the script
> because of the 'set -e' at the beginning.
>
> The following should work:
>
> if showattr -d / | awk '{print $1'} | grep -q B
> then
> setattr ...
> fi
Right, my mistake in forgetting how return codes are handled in postinst
scripts, putting this fix in now.
> I can still construct a case where the barrier flag is not removed from
> the root / : if the updated package is installed while running a
> non-vserver kernel. This is a probably very rare condition and I can't
> think about a good fix for this.
The only place where it could be done without fail is in the initscript,
so that on every start the barrier is checked and removed on / if it
exists. However, the barrier getting set on / is a fairly rare condition
itself, as it means that you installed -2 of this package, and are
running old style initscripts. I could put it in the initscript for a
while, so anybody who got bit by this will have it fixed, and later it
can be removed after it is reasonably certain that nobody is still in
this scenario.
Micah
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