[uml-devel] find_iomem hangs up

[uml-devel] find_iomem hangs up

[Victor V. Vengerov]

Hi,

When I've build uml with mmapper driver in, and attempted to pass 
something like iomem=xxx,yyy in command line, guest kernel hang up on 
boot. This is because of error in find_iomem - see patch below.

Victor

Index: linux-2.6.15.4.x/arch/um/kernel/physmem.c
===================================================================
--- linux-2.6.15.4.x/arch/um/kernel/physmem.c   (revision 23)
+++ linux-2.6.15.4.x/arch/um/kernel/physmem.c   (revision 24)
@@ -408,6 +408,7 @@
                        *len_out = region->size;
                        return(region->virt);
                }
+               region = region->next;
        }

        return(0);

-- 
Victor Vengerov
OKTET Labs, St.-Petersburg, Russia   Web: www.oktetlabs.ru
Phone +7 812 4286709(office) +7 812 9389372(mobile) +7 812 4281653(home)



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Re: [uml-devel] find_iomem hangs up

[Jeff Dike]

On Wed, Apr 05, 2006 at 02:01:51PM +0400, Victor V. Vengerov wrote:
> When I've build uml with mmapper driver in, and attempted to pass 
> something like iomem=xxx,yyy in command line, guest kernel hang up on 
> boot. This is because of error in find_iomem - see patch below.

Applied, thanks.

				Jeff


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