Multiple kernels installed when KERNCONF lists more than one kernel configuration file

[Glen Barber]

On Wed, Jan 06, 2016 at 06:07:24AM -0800, David Wolfskill wrote:
> On Wed, Jan 06, 2016 at 01:43:22PM +0000, Glen Barber wrote:
> > On Wed, Jan 06, 2016 at 05:40:15AM -0800, David Wolfskill wrote:
> > > On Wed, Jan 06, 2016 at 01:32:10PM +0000, Glen Barber wrote:
> > > > ...
> > > > > > Maybe it's simply a matter of overriding KERNCONF at the command line 
> > > > > > while running make installkernel.
> > > > > > 
> > > > > 
> > > > > You should be able to set INSTALLKERNEL in make.conf, however something
> > > > > appears to have been broken, since this should not be required.
> > > > > 
> > > > 
> > > > Sorry, I didn't see r293189 until just now, I was in the wrong directory
> > > > when I updated my local sources.
> > > > 
> > > > It seems we need a way to override this behavior, if the above
> > > > suggestion does not work properly.
> > > > ....
> > > 
> > > Agreed.  I'm happy to test -- I was a bit surprised to find unexpected
> > > kernels being installed on my build machine's 2GB root file system (as
> > > one of the unwanted installs failed for lack of space).
> > > 
> > 
> > Can you try specifying 'KERNCONF=FOO' on the command line during
> > installkernel, as Trond inquired about?  I have an idea of a way to
> > override this, but I want to talk with Gleb first.
> > ....
> 
> Sure; as expected, that's effective (in constraining the set f installed
> kernels to the one):
> 
> My /etc/src.conf reads:
> freebeast(10.2-S)[1] cat /etc/src.conf 
> KERNCONF?=GENERIC ALBERT BATS
> freebeast(10.2-S)[2] 
> 
> And historic (and expected) behavior is that kernels GENERIC, ALBERT,
> and BATS would be built (in that sequence), but only the first (GENERIC,
> in this case) would be installed.  (I install the others on their
> respective machines via processes on those machines -- where the
> /etc/src.conf on each of those machines specifies which kernel gets
> installed on it -- those machines don't (and can't) build.)
> 
> Script started, output file is s3
> freebeast(10.2-S)[1] ls -ldT /boot/kernel*
> drwxr-xr-x  2 root  wheel  40960 Jan  6 04:41:43 2016 /boot/kernel
> drwxr-xr-x  2 root  wheel  40960 Jan  6 04:41:53 2016 /boot/kernel.ALBERT
> drwxr-xr-x  2 root  wheel  40960 Jan  6 04:42:03 2016 /boot/kernel.BATS
> drwxr-xr-x  2 root  wheel  40960 Jan  5 04:24:07 2016 /boot/kernel.old
> drwxr-xr-x  2 root  wheel  41984 Apr 18 05:53:27 2015 /boot/kernel.save
> freebeast(10.2-S)[2] rm -fr /boot/kernel.[A-Z]*
> freebeast(10.2-S)[3] !ls
> ls -ldT /boot/kernel*
> drwxr-xr-x  2 root  wheel  40960 Jan  6 04:41:43 2016 /boot/kernel
> drwxr-xr-x  2 root  wheel  40960 Jan  5 04:24:07 2016 /boot/kernel.old
> drwxr-xr-x  2 root  wheel  41984 Apr 18 05:53:27 2015 /boot/kernel.save
> freebeast(10.2-S)[4] cd /usr/src
> freebeast(10.2-S)[5] make KERNCONF=GENERIC installkernel
> --------------------------------------------------------------
> >>> Installing kernel GENERIC
> --------------------------------------------------------------
> ...
> install -o root -g wheel -m 555   iscsi_initiator.ko.symbols
> /boot/kernel
> kldxref /boot/kernel
> freebeast(10.2-S)[6] !ls
> ls -ldT /boot/kernel*
> drwxr-xr-x  2 root  wheel  40960 Jan  6 05:54:55 2016 /boot/kernel
> drwxr-xr-x  2 root  wheel  40960 Jan  6 04:41:43 2016 /boot/kernel.old
> drwxr-xr-x  2 root  wheel  41984 Apr 18 05:53:27 2015 /boot/kernel.save
> freebeast(10.2-S)[7]  
> 
> Thanks for your help!
> 

Thank you for testing and confirming.  We'll look into this further.

Trond, thank you for reporting.

Glen

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