Re: [PATCH 0 of 4] x86: some more patches

[Andi Kleen]

On Wednesday 16 January 2008 00:28:23 Jeremy Fitzhardinge wrote:
> Ingo Molnar wrote:
> > unfortunately they dont solve it:
> >
> >  [   92.042586] Freeing unused kernel memory: 328k freed
> >  [   92.091838] khelper used greatest stack depth: 6244 bytes left
> >  [   92.281738] init[1]: segfault at 00000004 ip 49471cbb sp bff8dbb0 error 4
> >  [   92.288761] init[1]: segfault at 00000004 ip 49471cbb sp bff8dbb0 error 4
> >  [   92.295763] init[1]: segfault at 00000004 ip 49471cbb sp bff8dbb0 error 4
> >  [...]
> >  [   97.312484] printk: 611046 messages suppressed.
> >
> > 32-bit, PAE and RAM above 4GB seems to be enough to trigger that bug.
> >   
> 
> Bum.  We established that once you fix the accessors+sign extension bug, 
> there's another bug somewhere later on in the series.  Any chance you 
> could move "x86/pgtable: fix constant sign extension problem" to be just 
> after "x86/pgtable: unify pagetable accessors" and bisect the following 
> patches?

Bisecting is somewhat difficult because there seem to be quite a lot of problems
in the current git-x86 stream. I found that Jan's ioremap fix also 
causes silent hangs here during earlier bisecting (not sure why) 

-Andi
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