Groups > linux.debian.bugs.dist > #844406

Bug#870185: armel/marvell kernel size

From	Ben Hutchings <ben@decadent.org.uk>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#870185: armel/marvell kernel size
Date	2017-08-20 17:50 +0200
Message-ID	<ugAEa-os-17@gated-at.bofh.it> (permalink)
References	(8 earlier) <ugjWF-6Cj-3@gated-at.bofh.it> <u92xA-4C8-19@gated-at.bofh.it> <ugxwB-6YO-3@gated-at.bofh.it> <u92xA-4C8-19@gated-at.bofh.it> <ugxwB-6YO-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

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On Sun, 2017-08-20 at 21:16 +0900, Roger Shimizu wrote:
> On Sun, Aug 20, 2017 at 6:54 AM, Ben Hutchings <ben@decadent.org.uk>
> wrote:
> > On Sun, 2017-08-20 at 02:35 +0900, Roger Shimizu wrote:
> > > 
> > > The real problem is kernel size (after decompression) increased
> > > from
> > > 5MB to 8MB. (detail is in my previous post)
> > > This looks like a bug, since usually kernel size grows gradually,
> > > not
> > > in +3MB way this time.
> > 
> > Some things to check:
> > 
> > - If you build 4.10 with the config used for 4.11 (whichever is the
> > first larger one), is the size 5 MB or 8 MB?
> 
> I build vanilla kernel with debian config, and here's the result.
> (images are under arch/arm/boot/)
> 
> linux_4.10.7 with debian 4.10.7 config
> -rwxr-xr-x 1 rosh rosh 5757504 Aug 20 06:40 Image
> -rwxr-xr-x 1 rosh rosh 2012496 Aug 20 06:40 zImage
> 
> linux_4.11.6 with debian 4.11.6 config
> -rwxr-xr-x 1 rosh rosh 8763712 Aug 20 07:03 Image
> -rwxr-xr-x 1 rosh rosh 2064576 Aug 20 07:03 zImage
> 
> linux_4.11.6 with debian 4.10.7 config
> -rwxr-xr-x 1 rosh rosh 5891216 Aug 20 07:43 Image
> -rwxr-xr-x 1 rosh rosh 2049216 Aug 20 07:43 zImage
> 
> linux_4.10.7 with debian 4.11.6 config
> -rwxr-xr-x 1 rosh rosh 5811408 Aug 20 07:56 Image
> -rwxr-xr-x 1 rosh rosh 2032704 Aug 20 07:56 zImage
> 
> So it seems the problem is pointing to config changes since 4.11.

OK, then try using 4.11.6 source and bisecting the Debian config
changes.

Ben.

-- 
Ben Hutchings
It is a miracle that curiosity survives formal education. - Albert
Einstein

Thread

Bug#870185: armel/marvell kernel size Roger Shimizu <rogershimizu@gmail.com> - 2017-08-19 06:10 +0200
  Bug#870185: armel/marvell kernel size Ian Campbell <ijc@debian.org> - 2017-08-19 18:00 +0200
    Bug#870185: armel/marvell kernel size Roger Shimizu <rogershimizu@gmail.com> - 2017-08-19 19:40 +0200
      Bug#870185: armel/marvell kernel size Ben Hutchings <ben@decadent.org.uk> - 2017-08-20 00:00 +0200
        Bug#870185: armel/marvell kernel size Roger Shimizu <rogershimizu@gmail.com> - 2017-08-20 14:30 +0200
          Bug#870185: armel/marvell kernel size Ben Hutchings <ben@decadent.org.uk> - 2017-08-20 17:50 +0200
            Bug#870185: armel/marvell kernel size Roger Shimizu <rogershimizu@gmail.com> - 2017-08-21 02:40 +0200
              Bug#870185: armel/marvell kernel size Roger Shimizu <rogershimizu@gmail.com> - 2017-08-21 18:30 +0200
                Bug#870185: armel/marvell kernel size Ben Hutchings <ben@decadent.org.uk> - 2017-08-21 20:00 +0200
                Bug#870185: armel/marvell kernel size Roger Shimizu <rogershimizu@gmail.com> - 2017-08-26 18:40 +0200
                Bug#870185: armel/marvell kernel size Roger Shimizu <rogershimizu@gmail.com> - 2017-08-26 18:40 +0200
                Bug#870185: armel/marvell kernel size Roger Shimizu <rogershimizu@gmail.com> - 2017-08-27 17:40 +0200
                Bug#870185: armel/marvell kernel size Ben Hutchings <ben@decadent.org.uk> - 2017-08-27 17:40 +0200

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