[Pkg-sysvinit-devel] Bug#633845: initscripts: unupgradeable on vserver

[Roger Leigh]

On Thu, Jul 14, 2011 at 12:43:53PM +0200, Adam Borowski wrote:
> On Thu, Jul 14, 2011 at 11:36:59AM +0100, Roger Leigh wrote:
> > On Thu, Jul 14, 2011 at 12:22:52PM +0200, Adam Borowski wrote:
> > > In containers like vserver, even root cannot mount things from the inside,
> > > for obvious security reasons.
> 
> > IIRC we were explicitly supporting vserver in the postinst prior
> > to the switch to ischroot, though I didn't test it myself.  If the
> > logic in older versions detects vservers correctly for you and
> > ischroot does not, we need to get that logic added to ischroot
> > (or back in the postinst if that's the best place).
> > 
> > Note that 2.88dsf-13.6 was the last version not using ischroot, so
> > I would suggest trying out the postinst logic from that version.
> 
> The system in question upgraded to and worked with 2.88dsf-13.10 correctly,
> it's only upgrading to 2.88dsf-13.11 that fails.

That's odd, because the only change to the postinst is creating a
directory:

diff --git a/debian/initscripts.postinst b/debian/initscripts.postinst
index 544c124..1d956bf 100755
--- a/debian/initscripts.postinst
+++ b/debian/initscripts.postinst
@@ -247,6 +247,9 @@ else
 	echo "Please reboot to complete migration to tmpfs-based /run" > /run/.run-transition
 fi
 
+# Ensure presence of /run/sendsigs.omit.d
+[ -d /run/sendsigs.omit.d ] || { mkdir --mode=755 /run/sendsigs.omit.d ; chown root:root /run/sendsigs.omit.d || [ "$FAKECHROOT" = true ]; }
+
 tmpfs_fstab_migrate
 
 #

This uses the same logic used in several other places in the postinst.


What is the return value of ischroot in the vserver (when run as
root)?


Regards,
Roger

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