I have a question in linux-3.8.13.16.

[Andy Whitcroft]

On Tue, Jul 08, 2014 at 08:14:25PM +0900, Taeung wrote:
> Hi, kernel-team  :-)
> 
> I'm using linux-3.8.13.16 on nanoPC T1 (exynos 4412).
> 
> I've checked ubuntu booting on this hardware.

Do we assume that the ubuntu kernel works here?

> And I've replaced zImage by my zImage which have been built as linux
> kernel(3.8.13.16) for nanoPC t1.
> 
> But I've failed linux booting as below..
> 
> ' [ OK ]ting up X socket directories...'
> After this message , kernel panic happened.
> 
> I thought this problem is about 'BUG: rwlock bad magic on CPU#3, modprobe/1909, e676f3cc'.
> 
>  How to fix this error ?

This error implies a lock is being taken which has not yet been
initialised, which would either imply that the pointer to the lock is
wrong on the ordering is wrong.

> I've tried to fix according to a patch which got by a link
> http://lkml.iu.edu//hypermail/linux/kernel/1202.3/01416.html
> , but I've found that it was already modified.

That fixes a similar kind of error but elsewhere

> If you tell me a bit hints, I'd appreciate it.

Good Luck.

-apw