[BUG/REGRESSION] Kernel 4.5-rc1 on Acube Sam460ex AMCC 460ex Power PC motherboards

2016-01-28 Thread Julian Margetson
On 1/28/2016 11:47 AM, Dan Williams wrote: > On Thu, Jan 28, 2016 at 2:41 AM, Julian Margetson wrote: >> On 1/27/2016 3:34 PM, Dan Williams wrote: >>> On Wed, Jan 27, 2016 at 2:18 AM, Julian Margetson >>> wrote: On 1/26/2016 9:43 PM, Dan Williams wrote: diff --git a/mm/memory.c b/mm/mem

[BUG/REGRESSION] Kernel 4.5-rc1 on Acube Sam460ex AMCC 460ex Power PC motherboards

2016-01-28 Thread Dan Williams
On Thu, Jan 28, 2016 at 10:21 AM, Julian Margetson wrote: > On 1/28/2016 11:47 AM, Dan Williams wrote: [..] > Thank you . > Not getting any debug output . That's relevant. It means the failing patch is diverting the code into the insert_pfn() path rather than insert_page(). I'll take a look.

[BUG/REGRESSION] Kernel 4.5-rc1 on Acube Sam460ex AMCC 460ex Power PC motherboards

2016-01-28 Thread Dan Williams
On Thu, Jan 28, 2016 at 2:41 AM, Julian Margetson wrote: > On 1/27/2016 3:34 PM, Dan Williams wrote: >> >> On Wed, Jan 27, 2016 at 2:18 AM, Julian Margetson >> wrote: >>> >>> On 1/26/2016 9:43 PM, Dan Williams wrote: >>> diff --git a/mm/memory.c b/mm/memory.c >>> index 30991f83d0bf..c44e387130b2

[BUG/REGRESSION] Kernel 4.5-rc1 on Acube Sam460ex AMCC 460ex Power PC motherboards

2016-01-28 Thread Julian Margetson
On 1/27/2016 3:34 PM, Dan Williams wrote: > On Wed, Jan 27, 2016 at 2:18 AM, Julian Margetson wrote: >> On 1/26/2016 9:43 PM, Dan Williams wrote: >> diff --git a/mm/memory.c b/mm/memory.c >> index 30991f83d0bf..c44e387130b2 100644 >> --- a/mm/memory.c >> +++ b/mm/memory.c >> @@ -1521,6 +1521,8 @@

[BUG/REGRESSION] Kernel 4.5-rc1 on Acube Sam460ex AMCC 460ex Power PC motherboards

2016-01-27 Thread Dan Williams
On Wed, Jan 27, 2016 at 2:18 AM, Julian Margetson wrote: > On 1/26/2016 9:43 PM, Dan Williams wrote: > diff --git a/mm/memory.c b/mm/memory.c > index 30991f83d0bf..c44e387130b2 100644 > --- a/mm/memory.c > +++ b/mm/memory.c > @@ -1521,6 +1521,8 @@ static int insert_pfn(struct vm_area_struct > *vm

[BUG/REGRESSION] Kernel 4.5-rc1 on Acube Sam460ex AMCC 460ex Power PC motherboards

2016-01-27 Thread Julian Margetson
On 1/26/2016 9:43 PM, Dan Williams wrote: > On Mon, Jan 25, 2016 at 12:35 PM, Julian Margetson > wrote: >> On 1/25/2016 3:20 PM, Dan Williams wrote: > [..] >> Hmm, this commit could only cause a behavior change if it modifies the >> value of the pfn as seen by insert_pfn(). Can you try the attac

[BUG/REGRESSION] Kernel 4.5-rc1 on Acube Sam460ex AMCC 460ex Power PC motherboards

2016-01-26 Thread Dan Williams
On Mon, Jan 25, 2016 at 12:35 PM, Julian Margetson wrote: > On 1/25/2016 3:20 PM, Dan Williams wrote: [..] > Hmm, this commit could only cause a behavior change if it modifies the > value of the pfn as seen by insert_pfn(). Can you try the attached > debug patch to see if that assumption is being

[BUG/REGRESSION] Kernel 4.5-rc1 on Acube Sam460ex AMCC 460ex Power PC motherboards

2016-01-25 Thread Julian Margetson
On 1/25/2016 3:20 PM, Dan Williams wrote: > On Mon, Jan 25, 2016 at 4:46 AM, Julian Margetson wrote: >> Oops starting Xorg with kernel 4.5-rc1 on Acube Sam460ex amcc460ex powerpc >> motherboard. >> >> =

[BUG/REGRESSION] Kernel 4.5-rc1 on Acube Sam460ex AMCC 460ex Power PC motherboards

2016-01-25 Thread Dan Williams
On Mon, Jan 25, 2016 at 4:46 AM, Julian Margetson wrote: > Oops starting Xorg with kernel 4.5-rc1 on Acube Sam460ex amcc460ex powerpc > motherboard. > > == > 01c8f1c44b83a0825b573e7c

[BUG/REGRESSION] Kernel 4.5-rc1 on Acube Sam460ex AMCC 460ex Power PC motherboards

2016-01-25 Thread Julian Margetson
Oops starting Xorg with kernel 4.5-rc1 on Acube Sam460ex amcc460ex powerpc motherboard. == 01c8f1c44b83a0825b573e7c723b033cece37b86 is the first bad commit commit 01c8f1c44b83a0825b