Date: Wed, 10 Jul 2013 16:54:34 -0400
To: Dave Jones <davej@redhat.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Linux Kernel <linux-kernel@vger.kernel.org>,
        Ingo Molnar <mingo@kernel.org>, Thomas Gleixner <tglx@linutronix.de>,
        Peter Anvin <hpa@zytor.com>
Subject: Re: scheduling while atomic & hang.
Message-ID: <20130710205434.GC22305@fieldses.org>
References: <20130704015525.GA8486@redhat.com>
 <CA+55aFykwkTVtZuoCEvwpF+5q1LUscw1shkWNPtGdHu+1DgDJA@mail.gmail.com>
 <20130704074902.GA32211@redhat.com>
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In-Reply-To: <20130704074902.GA32211@redhat.com>
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From: "J. Bruce Fields" <bfields@fieldses.org>
Sender: linux-kernel-owner@vger.kernel.org
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On Thu, Jul 04, 2013 at 03:49:02AM -0400, Dave Jones wrote:
> I don't use the auto config, because I end up filling up /boot
> unless I go through and clean them out by hand every time I install
> a new one (which I do probably a dozen or so times a day).
> Is there some easy way to prune old builds I'm missing ?

I run this by hand every now and then.  I'm probably doing it all wrong.

--b.

#!/bin/bash

# because I use CONFIG_LOCALVERSION_AUTO, not the same version again and
# again, /boot and /lib/modules/ eventually fill up.
# Dumb script to purge that stuff:

ssh "root@$1" '

for f in $(ls /lib/modules); do
        if rpm -qf "/lib/modules/$f" >/dev/null; then
                echo "keeping $f (installed from rpm)"
        elif [ $(uname -r) = "$f" ]; then
                echo "keeping $f (running kernel) "
        else
                echo "removing $f"
                rm -f "/boot/initramfs-$f.img" "/boot/System.map-$f"
                rm -f "/boot/vmlinuz-$f"   "/boot/config-$f"
                rm -rf "/lib/modules/$f"
                new-kernel-pkg --remove $f
        fi
done
'
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