On 07/01/2018 11:16 PM, Michael Ellerman wrote:
Linus Torvalds writes:
On Fri, Jun 29, 2018 at 1:42 PM Larry Finger wrote:
I have more information regarding this BUG. Line 700 of page-flags.h is the
macro PAGE_TYPE_OPS(Table, table). For further debugging, I manually expanded
the macro, and
Linus Torvalds writes:
> On Fri, Jun 29, 2018 at 1:42 PM Larry Finger
> wrote:
>>
>> I have more information regarding this BUG. Line 700 of page-flags.h is the
>> macro PAGE_TYPE_OPS(Table, table). For further debugging, I manually expanded
>> the macro, and found that the bug line is
On 06/30/2018 04:31 AM, christophe leroy wrote:
Le 29/06/2018 à 22:42, Larry Finger a écrit :
My PowerBook G4 Aluminum crashes on boot with 4.18-rcX kernels with a kernel
BUG at include/linux/page-flags.h:700! The problem was bisected to commit
1d40a5ea01d5 ("mm: mark pages in use for page
Le 29/06/2018 à 22:42, Larry Finger a écrit :
My PowerBook G4 Aluminum crashes on boot with 4.18-rcX kernels with a
kernel BUG at include/linux/page-flags.h:700! The problem was bisected
to commit 1d40a5ea01d5 ("mm: mark pages in use for page tables"). It is
not possible to capture the bug
On 06/30/2018 03:16 AM, Kirill A. Shutemov wrote:
On Fri, Jun 29, 2018 at 02:01:46PM -0700, Linus Torvalds wrote:
On Fri, Jun 29, 2018 at 1:42 PM Larry Finger wrote:
I have more information regarding this BUG. Line 700 of page-flags.h is the
macro PAGE_TYPE_OPS(Table, table). For further
On 06/29/2018 04:01 PM, Linus Torvalds wrote:
On Fri, Jun 29, 2018 at 1:42 PM Larry Finger wrote:
I have more information regarding this BUG. Line 700 of page-flags.h is the
macro PAGE_TYPE_OPS(Table, table). For further debugging, I manually expanded
the macro, and found that the bug line is
On Fri, Jun 29, 2018 at 2:46 PM Kirill A. Shutemov wrote:
>
> Looks like pgtable_page_dtor() gets called in __pte_free_tlb() path twice.
> Once in __pte_free_tlb() itself and the second time in pgtable_free().
Ahh, that would certainly do it,. and explains why this hits ppc32 but
not x86, for
On Fri, Jun 29, 2018 at 02:01:46PM -0700, Linus Torvalds wrote:
> On Fri, Jun 29, 2018 at 1:42 PM Larry Finger
> wrote:
> But the real question is what the problem was the *first* time around.
> I assume that has scrolled off the screen? This part:
>
> _exception_pkey+0x58/0x128
>
On Fri, Jun 29, 2018 at 02:01:46PM -0700, Linus Torvalds wrote:
> On Fri, Jun 29, 2018 at 1:42 PM Larry Finger
> wrote:
> >
> > I have more information regarding this BUG. Line 700 of page-flags.h is the
> > macro PAGE_TYPE_OPS(Table, table). For further debugging, I manually
> > expanded
> >
On Fri, Jun 29, 2018 at 1:42 PM Larry Finger wrote:
>
> I have more information regarding this BUG. Line 700 of page-flags.h is the
> macro PAGE_TYPE_OPS(Table, table). For further debugging, I manually expanded
> the macro, and found that the bug line is VM_BUG_ON_PAGE(!PageTable(page),
> page)
My PowerBook G4 Aluminum crashes on boot with 4.18-rcX kernels with a kernel BUG
at include/linux/page-flags.h:700! The problem was bisected to commit
1d40a5ea01d5 ("mm: mark pages in use for page tables"). It is not possible to
capture the bug with anything other than a camera. The first few
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