G'day, Success, see below. On Tue, Oct 30, 2018 at 08:40:38PM +0100, Lubomir Rintel wrote: > Hello Pavel, > > On Tue, 2018-10-30 at 11:26 +0100, Pavel Machek wrote: > > Hi! > > > > > > https://github.com/hackerspace/olpc-xo175-linux/wiki/How-to-run-an-up-to-date-Linux-on-a-XO-1.75 > > > > > > > > I didn't test it yet -- will do when I get home in the evening. > > > > But > > > > chances are it's good enough and I guess you'd be able to get it > > > > working even if I messed up some details. > > > > [...] > > Could I get prepared binary zImage for testing? > > https://github.com/hackerspace/olpc-xo175-buildroot/releases > > Here's a SD card image that works for me. The topmost commit in the > same repository is the build configuration that was used to generate > it: > > https://github.com/hackerspace/olpc-xo175-buildroot/commit/71783d599.patch > > Note it is only going to boot off the SD card, because the root= > argument is hardwired in the devicetree. Sorry about that -- I built > the image before I noticed you're booting off an USB stick and I don't > have the resources to regenerate the image at the moment. Your image does boot for me - after changing features on filesystem. http://dev.laptop.org/~quozl/y/1gHh5m.txt (dmesg) dumpe2fs of your image filesystem features; has_journal ext_attr resize_inode dir_index filetype flex_bg sparse_super large_file huge_file dir_nlink extra_isize metadata_csum, and flags; signed_directory_hash. dumpe2fs of my image filesystem features; has_journal ext_attr resize_inode dir_index filetype extent flex_bg sparse_super uninit_bg dir_nlink extra_isize, and flags; unsigned_directory_hash. Our OLPC OS builder uses "mkfs.ext4 -O dir_index,^huge_file", from e2fsprogs 1.42.5. I'll look at the microSD card errors; by trying another one. Fantastic progress though, thanks! Wish I were a full time kernel developer, but so much else to do now. > If this won't boot for you, we may need fixes for older FW. Let me know what you need there; with a patch, and if it isn't too extensive I could spin a new build. We're not producing these models, so I don't _have_ to keep the factory test code working. https://github.com/quozl/openfirmware -- James Cameron http://quozl.netrek.org/