Re: [uml-user] stop and go results in a "Not stopped" error

[Benedict V. <ben...@gm...>]

Jeff Dike wrote:
> On Thu, May 22, 2008 at 07:02:49PM +0200, Benedict Verheyen wrote:
>> I tried and i got this error when starting the UML:
>> arch_switch_tls failed, errno = EINVAL
>> PTRACE_SET_THREAD_AREA failed, err = -22, index = 0
>> PTRACE_SET_THREAD_AREA failed, err = -22, index = 0
>> arch_switch_tls failed, errno = EINVAL
>> PTRACE_SET_THREAD_AREA failed, err = -22, index = 0
>> arch_switch_tls failed, errno = EINVAL
>>
>> and it keeps printing that.
>>
>> I used kernel 2.6.25.4 with the latest skas patch and left all the 
>> options the same. Host is kernel 2.6.24.3 with the previous skas patch.
>>
>> I made my guest kernel with these commands:
>> make menuconfig ARCH=um
>> make-kpkg --arch=um clean
>> make-kpkg --arch=um --append-to-version=.22may2008 kernel_image 
>> modules_image
> 
> This is a stock 2.6.25.4 you've using dpkg to build?  If not, could
> you build a kernel.org kernel?
> 
> If you see this with a stock kernel, any chance you can bisect it?  I
> don't see any suspicious tls-related things between 2.6.24 and
> 2.6.25.  There are ~100 changes in arch/um between 2.6.24 and 2.6.25,
> so if you restrict the bisection to arch/um, it should take 6-7
> compiles to find the commit which broke it.
> 
> 	    	     Jeff
> 

I'm using a stock kernel from kernel.org, patch it with the skas4 patch 
and then i use the debian
utils to compile it.

 >>if you restrict the bisection to arch/um

How would i do that?

Thanks,
Benedict