[Arm-dev] New kernel takes ~130MB!

[Pablo Sebastián Greco]

El 16/8/18 a las 17:08, Stephen John Smoogen escribió:
> On Thu, 16 Aug 2018 at 15:58, Robert Moskowitz <rgm at htt-consult.com> wrote:
>>
>>
>> On 08/16/2018 03:00 PM, Stephen John Smoogen wrote:
>>> On Thu, 16 Aug 2018 at 14:44, Robert Moskowitz <rgm at htt-consult.com> wrote:
>>>> I just installed the new kernel on one of my Cubieboard2s.  /boot used
>>>> grew ~130MB.
>>>>
>>>> Challenge is that my next board to update only has 43MB free.  It
>>>> currently has 3 kernels on it.
>>>>
>>>> Is there a way to cleanly delete old kernel files prior to the update?
>>>> In this case 4.9.30-203?
>>>>
>>> Are you meaning something like this?
>>> ```
>>> [smooge at smoogen-laptop ~]$ rpm -q kernel
>>> kernel-3.10.0-693.21.1.el7.x86_64
>>> kernel-3.10.0-862.el7.x86_64
>>> kernel-3.10.0-862.2.3.el7.x86_64
>>> kernel-3.10.0-862.3.2.el7.x86_64
>>> kernel-3.10.0-891.el7.x86_64
>>> [smooge at smoogen-laptop ~]$ uname -a # to see what you have running
>>> Linux smoogen-laptop.localdomain 3.10.0-891.el7.x86_64 #1 SMP Mon May
>>> 21 14:10:11 EDT 2018 x86_64 x86_64 x86_64 GNU/Linux
>>> $ sudo rpm -e kernel-3.10.0-693.21.1.el7.x86_64
>>> kernel-3.10.0-862.el7.x86_64 kernel-3.10.0-862.2.3.el7.x86_64
>> rpm -e kernel-4.9.30-203.el7.armv7hl
>>
>> Did nothing.  Just came back to the # prompt.  And no reduction in space
>> used in /boot and no change in 'ls /boot'.  Or at least what I noticed.
>>
> Then you need to use the du command and see what is using up the
> space. Also check to make sure that the size is the same as the other
> systems to see why they have different amounts.
>
kernels for armhfp come in 3 parts (or more), there is kernel, 
kernel-core and kernel-modules, so you need to remove all those 3 for 
each kernel in order o actually free space.

rpm -qa "kernel*"|sort
kernel-4.14.28-201.el7.centos.armv7hl
kernel-4.14.52-201.el7.armv7hl
kernel-core-4.14.28-201.el7.centos.armv7hl
kernel-core-4.14.52-201.el7.armv7hl
kernel-headers-4.14.52-201.el7.armv7hl
kernel-modules-4.14.28-201.el7.centos.armv7hl
kernel-modules-4.14.52-201.el7.armv7hl
kernel-tools-4.14.52-201.el7.armv7hl
kernel-tools-libs-4.14.52-201.el7.armv7hl

Pablo.