Re: Memory problems in schedule()

[Vishal Patil <vishpat@gmail.com>]

Jeff
Please find the answer to questions below,

On 6/5/05, Jeff Dike <jdike@addtoit.com> wrote:
> On Sun, Jun 05, 2005 at 09:01:19PM -0400, Vishal Patil wrote:
> > 1) Whenever I select a process to run using my algorithm the kernel
> > panics with "Segfault with no mm" basically the "mm" field of the
> > task_struct that I selected is empty. I don't understand why this
> > should happen, since I have just added code to select a process and
> > haven't modified any memory related code in the schedule() function.
> 
> Start with a backtrace from the panic and debug it from there.
> 
> > 2) I am able to run the UMLfied kernel under gdb, however the execution
> > never halts even though I set several breakpoints. Also these
> > breakpoints have not been set in interrupt handling code and I have
> > compiled the code with -g option.
> 
> UML and gdb versions?  tt or skas mode?


GNU gdb Red Hat Linux (6.1post-1.20040607.41rh)
uml-patch-2.4.27-1
skas mode.

Thank you.
>                                 Jeff
> 


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