Re: cannot set up LDT for thread-local storage

[John Hayward <John.C.Hayward%wheaton.edu@localhost>]

> On Wed, Oct 01, 2008 at 08:36:43PM -0500, John Hayward wrote:
> > Dear Xen people,
> >    I have amd64 dom0 - xen 3.3 current as of about 9/27.
> >    I have created two i386 domu - one NetBSD-4.0 and one NetBSD-4.99
> > both
> > using netbsd-XEN3PAE_DOMU from 4.99 as of about 9/27 - both domu installed
> > fine.
> >    I have installed a firefox-bin-3.0.2 binary package or build from
> > pkgsrc - it seems to install fine.  When I run I get:
> >
> > cannot set up thread-local storage: cannot set up LDT for thread-local
> > storage
> >
> >    Is this a limitation of NetBSD linux emulation under Xen domu?
>
> Do you have kernel options USER_LDT?
I was using the daily kernel netbsd-XEN3PAE_DOMU from 4.99 as of about 9/27

In looking at the config for this kernel it had USER_LDT commented out (in
included XEN2_DOMU).  I added that option and built a kernel - rebooted
with new kernel.  When I attempt to start firefox-linux I now get:
====
panic: gdt_get_slot botch 1
fatal breakpoint trap in supervisor mode
trap type 1 code 0 eip c038ceac cs 9 eflags 246 cr2 bac9a000 ilevel 0
Stopped in pid 429.1 (firefox-bin) at   netbsd:breakpoint+0x4:  popl 
%ebp
db> 
====

johnh...
> Thor