[uml-devel] problems with UML, issues with includes

[Chris Friesen <cfriesen@nortelnetworks.com>]

I'm having issues with UML.

I've got a rootfs that used to work with an older UML.  With 2.4.24, I 
try and boot with the following arguments:

./linux-2.4.24  mem=256M con0=fd:0,fd:1 con=pts ubd0=test,rootfs debug 
msp_view=build_neptune_2.0_int11

The msp_view thing causes additional mounts to be created at init time. 
  However, I get a bunch of errors in my console window when I try to 
log in:

ed Hat Linux release 8.0 (Psyche)
Plankton/CELP 2.5.0 - Kernel 2.4.24-1um on an i686

(none) login: Registering fd 47 twice
Irqs : 3, 3
Ids : 0xa022c3f8, 0xa022c3f8
Registering fd 47 twice
Irqs : 3, 3
Ids : 0xa022c3f8, 0xa022c3f8



If I then keep going, I end up with a whole bunch of lines like:

Failed to forward -1359446016 to pid 16452, err = 9


As part of my efforts to try and debug this, I wanted to dump out the 
names of the processes that were calling os_set_owner().  Accordingly in 
  um/os/file.c I included <linux/sched.c> and wrote some code with 
appropriate locking around the tasklist_lock so that I could match the 
pid against the process name.

When I compiled, it grabbed the sched.h from /usr/include rather than 
from the kernel build, and everything blew up.

So I guess I'm asking for help on two fronts.  1) How do I fix the build 
process to pick up the kernel includes (and why doesn't it do that by 
default?).  2) Any ideas why I'm getting the descriptor thing?

Thanks,

Chris

-- 
Chris Friesen                    | MailStop: 043/33/F10
Nortel Networks                  | work: (613) 765-0557
3500 Carling Avenue              | fax:  (613) 765-2986
Nepean, ON K2H 8E9 Canada        | email: cfriesen@nortelnetworks.com




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