Re: BUG 2.6.7 hangs on boot (rx2600)

[Jesse Barnes <jbarnes@engr.sgi.com>]

On Tuesday, June 29, 2004 10:40 am, Chen, Kenneth W wrote:
> Jesse Barnes wrote on Tuesday, June 29, 2004 10:32 AM
>
> > On Tuesday, June 29, 2004 8:34 am, Chen, Kenneth W wrote:
> > > To follow up the other bug in head.S, here is the fix.
> > >
> > > ---------
> > > For BP, we are not installing any region 7 DTLB mapping for init_task.
> > > However, kr(stack) is being initialized to a legal kernel granule that
> > > the kernel resides.  If the first task context switch out of this
> > > init_task happens to have its task struct in that very same granule,
> > > the stack will not be mapped by any DTLB.  Patch to properly initialize
> > > kr(stack) for BP.
> >
> > I tried both of these on a machine that doesn't have memory at the stock
> > kernel load address, and it failed very early on.  However, it works with
> > the attached patch.
>
> Let me confirm what I understand:
> David's bk tree doesn't boot.
> David's bk tree + 2 patches I posted this morning doesn't boot.
>
> Is that correct?

Correct.  David's tree hangs at a later point though, after printing 
"Console: ... 80x25".

Jesse