On 25 Jun 2012, at 23:05, Khem Raj wrote: > On Mon, Jun 25, 2012 at 2:57 PM, Chris Tapp <[email protected]> wrote: >> >> On 25 Jun 2012, at 22:52, Khem Raj wrote: >> >>> On Mon, Jun 25, 2012 at 2:48 PM, Chris Tapp <[email protected]> wrote: >>>> Yes, it's 3.1.9 and it does compile. But the latest commits don't run when >>>> I build them (system displays a 'failed to execute kernel' error screen). >>>> Paul Eggleton has failed to get any to work when built using 4.7.0 >>>> (current master), so it does look as if this is compiler-related. >>>> >>>> None of the commits appear to be likely to cause a change from 'good' to >>>> 'bad'. >>>> >>> >>> can you tell me which commit is last good ? >>> yes there are interaction between kernel and compiler >>> sometimes kernel code has wrong expectation of gcc and when it gets >>> fixed in gcc things dont work so in such cases kernel is fixed in some >>> case kernel may expose real gcc bug too. Cant tell much unless its narrowed >>> down >> >> >> Last one I've got to work is >> https://github.com/raspberrypi/linux/commit/3fc65f9f291fb19cad434968a4a0f66ab749e637. >> >> I've opened an issue at >> https://github.com/raspberrypi/linux/commit/3fc65f9f291fb19cad434968a4a0f66ab749e637 >> which also shows the firmware version that I know works, but that's >> probably not important here. >> > > well there are options in .config being changed that can mean that now > you could be waking up the sleeping dinosaurs.
Scary! (As my daughters would say). >> I think I've got it building under 4.5.1 (Edison, as that was easier to do >> for a quick test). > > OK Well, that proves it's not the compiler. Still fails to boot, even though the toolchain that's supposed to work is 4.5.1. Does 32-bit / 64-bit host make a difference? Chris Tapp [email protected] www.keylevel.com _______________________________________________ yocto mailing list [email protected] https://lists.yoctoproject.org/listinfo/yocto
