On Tue, Jun 07, 2011 at 02:53:31PM +0300, Tony Lindgren wrote: > * Sebastian Reichel <sre@xxxxxxxxxx> [110606 15:51]: > > On Sat, Apr 30, 2011 at 06:23:57PM +0200, Sebastian Reichel wrote: > > > I'm currently trying to get a mainline based kernel running on my pandaboard. > > > The problem is, that it's crashing very early during the init phase because of > > > "undefined instruction" exceptions: > > > > > > [ 1.867980] udevd (56): undefined instruction: pc=401e6ed4 > > > [ 1.874603] Code: 9cd0 fffe e92d 4ff0 (ed2d) > > > [ 1.977752] modprobe (69): undefined instruction: pc=400c6ed4 > > > [ 1.977783] Code: 9cd0 fffe e92d 4ff0 (ed2d) > > > [ 1.978240] init (1): undefined instruction: pc=40149ed4 > > > [ 1.978240] Code: 9cd0 fffe e92d 4ff0 (ed2d) > > > [ 2.005706] Kernel panic - not syncing: Attempted to kill init! > > > > > > Exactly the same userland boots fine with the original 2.6.35 kernel, so it's > > > probably not the userland's fault. > > > > I found the source of this problem. VFPv3 support is not working > > correctly when OMAP2 (and thus CPU_V6) is enabled in the kernel > > config. > > > > I guess this should be mentioned in the kernel config (or fixed if > > possible). > > This should be easy to fix now. Do you have a minimal test program that > triggers this? Sorry for the delay, here is a minimal test binary, that triggers the bug: http://elektranox.org/omap-kernel/test -- Sebastian
Attachment:
signature.asc
Description: Digital signature
