A booting r251793 kernel panics on RPi

[Andrew Turner]

On Sat, 15 Jun 2013 23:11:52 +0200
Ralf Wenk <iz-rpi03 at hs-karlsruhe.de> wrote:

> Hi,
> 
> booting a r251793 kernel fails with
>   panic: lock "vm map (user)" 0xc06cc050 already initialized
> on my RPi. I have already tried a kernel complied with the default
> clang and another compiled with gcc. Both showed the same panic. So
> it does not look like the cause is compiler dependent.
> 
> Is somebody successfully booting a r251793 or newer kernel on his RPi?
> 
> Currently I try to build a r251693 kernel. That is the last release
> before the recent atomic changes for ARM began.

This is a known issue caused by r251709 [1]. You can revert that
revision to get a working kernel.

Andrew


[1]
http://lists.freebsd.org/pipermail/svn-src-head/2013-June/048419.html