Re: [uml-user] problems with 2.6 kernel

[Blaisorblade <bla...@ya...>]

On Wednesday 17 January 2007 16:49, Pravin wrote:
> Thanx,
> I managed to get rid of following error.
> {{{
> Checking for tmpfs mount on /dev/shm...OK
> Checking PROT_EXEC mmap in /dev/shm/...failed: Operation not permitted
> /dev/shm/ must be not mounted noexec
> }}}
>
> But I am still getting kernel panic
> {{{
> mapping mmap stub failed, errno = 12
> Kernel panic - not syncing: start_userspace : expected SIGSTOP, got status
> = 256
>
> EIP: 0073:[<a7fdd410>] CPU: 0 Not tainted ESP: 007b:a7ea2fa8 EFLAGS:
> 00200246 Not tainted
> }}}
>
> I am using latest kernel 2.6.19 source from www.kernel.org
> http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.19.tar.gz
>
> I also tried to set different values for 2G/3G configuration to
> CONFIG_HOST_VMSPLIT_*

Apply the patch I'm forwarding you separately, before retesting 
CONFIG_HOST_VMSPLIT_*, if you run UML in skas0 mode (and from the messages I 
guess you are).

> I also tried many precompiled kernels of 2.6 series from
> http://uml.nagafix.co.uk/
>  but they are also giving same error.
>
> I feel that there is something wrong with my host configuration.
> Is there any configuration mistake that I am doing?
> Any idea when and why such error comes?
> and how to solve it?

-- 
Inform me of my mistakes, so I can add them to my list!
Paolo Giarrusso, aka Blaisorblade
http://www.user-mode-linux.org/~blaisorblade
Chiacchiera con i tuoi amici in tempo reale! 
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