On Mon, Jul 31, 2017 at 11:43 PM, Roger Shimizu <rogershim...@gmail.com> wrote: > On Mon, Jul 31, 2017 at 3:05 AM, Roger Shimizu <rogershim...@gmail.com> wrote: >> >> While I'm still working on this, but I find the latest kernel in >> archive, 4.11.11-1+b1, fails to boot on my kirkwood based Linkstation. >> I tried netconsole, but don't get any log. (netconsole outputs fine on >> working kernels, such as 4.9 and 4.10 series.) >> And I trace to latest working kernel is 4.10.7-1~exp1. >> >> 4.11-1_exp[12] FTBFS on armel, and 4.11.3-1_exp1 doesn't boot. >> >> I checked d-kernel and d-arm list, but didn't find similar issue. >> Do you have any clue on this? Thanks! > > I think my problem is very likely the same as: > - https://bugs.debian.org/870185 > > And I tried Ben's recommendation to make armel kernel smaller, > which I pushed to branch rosh/strip_armel on alioth, confirmed it worked > well for 4.10.7-1~exp1 (by cherry-pick) on my kirkwood based Linkstation.
I find some new clue about kernel size issue for armel. vmlinuz installed under /boot is compressed. It can be decompressed by "scripts/extract-vmlinux" script under linux git repo. But for armel, it need at patch I posted: - https://patchwork.kernel.org/patch/8120831/ After I decompress the kernel images, I find the size for 4.11 increased significantly: ==== $ ~/linux/scripts/extract-vmlinux /boot/vmlinuz-4.9.0-3-marvell > ~/vmlinuz-4.9.0-3-marvell.extracted $ ~/linux/scripts/extract-vmlinux /boot/vmlinuz-4.10.0-trunk-marvell > ~/vmlinuz-4.10.0-trunk-marvell.extracted $ ~/linux/scripts/extract-vmlinux /boot/vmlinuz-4.11.0-0.bpo.1-marvell > ~/vmlinuz-4.11.0-0.bpo.1-marvell.extracted $ ls -l ~/vmlinuz-* -rw-r--r-- 1 rosh rosh 5782024 Aug 19 12:35 vmlinuz-4.10.0-trunk-marvell.extracted -rw-r--r-- 1 rosh rosh 8763712 Aug 19 12:36 vmlinuz-4.11.0-0.bpo.1-marvell.extracted -rw-r--r-- 1 rosh rosh 5844072 Aug 19 12:35 vmlinuz-4.9.0-3-marvell.extracted ==== I know for bug #870185, Robert fixed his device by modify uboot params, but I guess it's still possible to keep uboot params and only change the boot addresses of kernel/initrd in flash-kernel db file. Cheers, -- Roger Shimizu, GMT +9 Tokyo PGP/GPG: 4096R/6C6ACD6417B3ACB1
