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_*
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?
On 1/17/07, Antoine Martin <[EMAIL PROTECTED]> wrote:
> > $ ./linux ./nagafix_try/Debian-3.1-x86-root_fs
> > Checking that ptrace can change system call numbers...OK
> > Checking syscall emulation patch for ptrace...OK
> > Checking advanced syscall emulation patch for ptrace...OK
> > 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
> > }}}
> >
> > I dont think is error is because of file-system of the contents of
> > /etc/fstab file inside the file system,
> > because it gives the same error even if wrong file system (ie wrong
> > path) is given.
> > I feel that this error is because of kernel itself.
> It is because of the host setup, probably not the host's kernel.
>
> Are you sure that /dev/shm is mounted noexec?
> cat /proc/mount
>
> Any SELinux, grsec, etc?
>
--
Pravin Shinde
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