Comment 3 for bug 798462

for me it was sufficient to to free up somespace on /boot drive

2011/10/13 Herbert <email address hidden>

> I got this error during a release upgrade to 11.10 and I'm trying to
> recover the upgrade process. I deleted a few old kernels to free up some
> space on /boot and run "dpkg --configure -a".
>
> Is this sufficient to end the upgrade process?
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (852766).
> https://bugs.launchpad.net/bugs/798462
>
> Title:
> update-manager's free space calculator for /boot seems insufficient
>
> Status in “update-manager” package in Ubuntu:
> Fix Released
>
> Bug description:
> Binary package hint: update-manager
>
> There are a number of initramfs-tools apport package bug reports from
> distribution upgrades regarding errors with a lack of free space on
> /boot. Looking at DistUpgrade/DistUpgradeCache.py update-manager uses
> the following when calculating how much space the boot partition will
> need:
>
> KERNEL_INITRD_SIZE = 19 * 1024 * 1024
>
> The number 19 should probably be increased or as slangasek suggests "a
> much better predictor would be to check the size of the initrd for the
> current kernel".
>
> WORKAROUND:
>
> Remove unused kernels using computer janitor or manually free space on
> your partition containing the /boot file system.
>
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>
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>