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

Jeremy Fitzhardinge
2008-01-15T23:28:46Z

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?

Thanks,
J