Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-12-07 Thread Robert Richter
On 02.12.11 21:48:20, Markus Trippelsdorf wrote: > BTW I always see (mostly only on screen, sometimes in the logs): > > [Firmware Bug]: cpu 2, try to use APIC500 (LVT offset 0) for vector 0x10400, > but the register is already in use for vector 0xf9 on another cpu > [Firmware Bug]: cpu 2, IBS int

Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-12-07 Thread Markus Trippelsdorf
On 2011.12.07 at 15:32 +0100, Robert Richter wrote: > On 02.12.11 21:48:20, Markus Trippelsdorf wrote: > > BTW I always see (mostly only on screen, sometimes in the logs): > > > > [Firmware Bug]: cpu 2, try to use APIC500 (LVT offset 0) for vector > > 0x10400, but the register is already in use f

Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-12-05 Thread Jerome Glisse
On Mon, Dec 05, 2011 at 10:10:34PM +0200, Pekka Enberg wrote: > On Mon, Dec 5, 2011 at 9:27 PM, Markus Trippelsdorf > wrote: > >> > Yes the patch finally fixes the issue for me (tested with 120 kexec > >> > iterations). > >> > Thanks Jerome! > >> > >> Can you do a kick run on the modified patch ?

Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-12-05 Thread Pekka Enberg
On Mon, Dec 5, 2011 at 9:27 PM, Markus Trippelsdorf wrote: >> > Yes the patch finally fixes the issue for me (tested with 120 kexec >> > iterations). >> > Thanks Jerome! >> >> Can you do a kick run on the modified patch ? > > This one is also OK after ~60 iterations. Jerome, could you please incl

Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-12-05 Thread Markus Trippelsdorf
On 2011.12.05 at 14:11 -0500, Jerome Glisse wrote: > On Mon, Dec 05, 2011 at 07:15:49PM +0100, Markus Trippelsdorf wrote: > > On 2011.12.05 at 12:10 -0500, Jerome Glisse wrote: > > > On Sun, Dec 04, 2011 at 02:02:00AM +0100, Markus Trippelsdorf wrote: > > > > On 2011.12.03 at 14:31 -0500, Jerome Gl

Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-12-05 Thread Jerome Glisse
On Mon, Dec 05, 2011 at 07:15:49PM +0100, Markus Trippelsdorf wrote: > On 2011.12.05 at 12:10 -0500, Jerome Glisse wrote: > > On Sun, Dec 04, 2011 at 02:02:00AM +0100, Markus Trippelsdorf wrote: > > > On 2011.12.03 at 14:31 -0500, Jerome Glisse wrote: > > > > On Sat, Dec 3, 2011 at 7:29 AM, Markus

Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-12-05 Thread Jerome Glisse
On Mon, Dec 5, 2011 at 1:15 PM, Markus Trippelsdorf wrote: > On 2011.12.05 at 12:10 -0500, Jerome Glisse wrote: >> On Sun, Dec 04, 2011 at 02:02:00AM +0100, Markus Trippelsdorf wrote: >> > On 2011.12.03 at 14:31 -0500, Jerome Glisse wrote: >> > > On Sat, Dec 3, 2011 at 7:29 AM, Markus Trippelsdorf

Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-12-05 Thread Markus Trippelsdorf
On 2011.12.05 at 12:10 -0500, Jerome Glisse wrote: > On Sun, Dec 04, 2011 at 02:02:00AM +0100, Markus Trippelsdorf wrote: > > On 2011.12.03 at 14:31 -0500, Jerome Glisse wrote: > > > On Sat, Dec 3, 2011 at 7:29 AM, Markus Trippelsdorf > > > wrote: > > > > On 2011.12.03 at 12:20 +, Dave Airlie

Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-12-05 Thread Jerome Glisse
On Sun, Dec 04, 2011 at 02:02:00AM +0100, Markus Trippelsdorf wrote: > On 2011.12.03 at 14:31 -0500, Jerome Glisse wrote: > > On Sat, Dec 3, 2011 at 7:29 AM, Markus Trippelsdorf > > wrote: > > > On 2011.12.03 at 12:20 +, Dave Airlie wrote: > > >> >> > > > > FIX idr_layer_cache: Marking all obj

RE: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-12-05 Thread David Laight
> > If I had to guess it looks like 0 is getting written back to some > > random page by the GPU maybe, it could be that the GPU is in some half > > setup state at boot or on a reboot does it happen from a cold boot or > > just warm boot or kexec? > > Only happened with kexec thus far. Cold boot

Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-12-04 Thread Jerome Glisse
On Sat, Dec 3, 2011 at 8:02 PM, Markus Trippelsdorf wrote: > On 2011.12.03 at 14:31 -0500, Jerome Glisse wrote: >> On Sat, Dec 3, 2011 at 7:29 AM, Markus Trippelsdorf >> wrote: >> > On 2011.12.03 at 12:20 +, Dave Airlie wrote: >> >> >> > > > > FIX idr_layer_cache: Marking all objects used >>

Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-12-03 Thread Markus Trippelsdorf
On 2011.12.03 at 14:31 -0500, Jerome Glisse wrote: > On Sat, Dec 3, 2011 at 7:29 AM, Markus Trippelsdorf > wrote: > > On 2011.12.03 at 12:20 +, Dave Airlie wrote: > >> >> > > > > FIX idr_layer_cache: Marking all objects used > >> >> > > > > >> >> > > > Yesterday I couldn't reproduce the issue

Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-12-03 Thread Jerome Glisse
On Sat, Dec 3, 2011 at 2:31 PM, Jerome Glisse wrote: > On Sat, Dec 3, 2011 at 7:29 AM, Markus Trippelsdorf > wrote: >> On 2011.12.03 at 12:20 +, Dave Airlie wrote: >>> >> > > > > FIX idr_layer_cache: Marking all objects used >>> >> > > > >>> >> > > > Yesterday I couldn't reproduce the issue a

Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-12-03 Thread Jerome Glisse
On Sat, Dec 3, 2011 at 7:29 AM, Markus Trippelsdorf wrote: > On 2011.12.03 at 12:20 +, Dave Airlie wrote: >> >> > > > > FIX idr_layer_cache: Marking all objects used >> >> > > > >> >> > > > Yesterday I couldn't reproduce the issue at all. But today I've hit >> >> > > > exactly the same spot ag

Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-12-03 Thread Markus Trippelsdorf
On 2011.12.03 at 12:20 +, Dave Airlie wrote: > >> > > > > FIX idr_layer_cache: Marking all objects used > >> > > > > >> > > > Yesterday I couldn't reproduce the issue at all. But today I've hit > >> > > > exactly the same spot again. (CCing the drm list) > > If I had to guess it looks like 0 i

Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-12-03 Thread Dave Airlie
>> > > > > FIX idr_layer_cache: Marking all objects used >> > > > >> > > > Yesterday I couldn't reproduce the issue at all. But today I've hit >> > > > exactly the same spot again. (CCing the drm list) If I had to guess it looks like 0 is getting written back to some random page by the GPU maybe,

Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-12-02 Thread Jerome Glisse
On Thu, Nov 24, 2011 at 09:50:40AM +0100, Markus Trippelsdorf wrote: > On 2011.11.23 at 10:06 -0600, Christoph Lameter wrote: > > On Wed, 23 Nov 2011, Markus Trippelsdorf wrote: > > > > > > FIX idr_layer_cache: Marking all objects used > > > > > > Yesterday I couldn't reproduce the issue at all. B

Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-12-02 Thread Markus Trippelsdorf
On 2011.12.02 at 21:06 +0100, Markus Trippelsdorf wrote: > On 2011.12.02 at 14:43 -0500, Jerome Glisse wrote: > > On Thu, Dec 01, 2011 at 09:44:37AM +0100, Markus Trippelsdorf wrote: > > > On 2011.11.24 at 09:50 +0100, Markus Trippelsdorf wrote: > > > > On 2011.11.23 at 10:06 -0600, Christoph Lamet

Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-12-02 Thread Markus Trippelsdorf
On 2011.12.02 at 14:43 -0500, Jerome Glisse wrote: > On Thu, Dec 01, 2011 at 09:44:37AM +0100, Markus Trippelsdorf wrote: > > On 2011.11.24 at 09:50 +0100, Markus Trippelsdorf wrote: > > > On 2011.11.23 at 10:06 -0600, Christoph Lameter wrote: > > > > On Wed, 23 Nov 2011, Markus Trippelsdorf wrote:

Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-12-02 Thread Jerome Glisse
On Thu, Dec 01, 2011 at 09:44:37AM +0100, Markus Trippelsdorf wrote: > On 2011.11.24 at 09:50 +0100, Markus Trippelsdorf wrote: > > On 2011.11.23 at 10:06 -0600, Christoph Lameter wrote: > > > On Wed, 23 Nov 2011, Markus Trippelsdorf wrote: > > > > > > > > FIX idr_layer_cache: Marking all objects

Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-12-01 Thread Pekka Enberg
On Thu, 1 Dec 2011, Markus Trippelsdorf wrote: On 2011.11.24 at 09:50 +0100, Markus Trippelsdorf wrote: On 2011.11.23 at 10:06 -0600, Christoph Lameter wrote: On Wed, 23 Nov 2011, Markus Trippelsdorf wrote: FIX idr_layer_cache: Marking all objects used Yesterday I couldn't reproduce the iss

Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-12-01 Thread Markus Trippelsdorf
On 2011.11.24 at 09:50 +0100, Markus Trippelsdorf wrote: > On 2011.11.23 at 10:06 -0600, Christoph Lameter wrote: > > On Wed, 23 Nov 2011, Markus Trippelsdorf wrote: > > > > > > FIX idr_layer_cache: Marking all objects used > > > > > > Yesterday I couldn't reproduce the issue at all. But today I'v

Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-11-24 Thread Markus Trippelsdorf
On 2011.11.23 at 10:06 -0600, Christoph Lameter wrote: > On Wed, 23 Nov 2011, Markus Trippelsdorf wrote: > > > > FIX idr_layer_cache: Marking all objects used > > > > Yesterday I couldn't reproduce the issue at all. But today I've hit > > exactly the same spot again. (CCing the drm list) > > Well

Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-11-23 Thread Christoph Lameter
On Wed, 23 Nov 2011, Markus Trippelsdorf wrote: > > FIX idr_layer_cache: Marking all objects used > > Yesterday I couldn't reproduce the issue at all. But today I've hit > exactly the same spot again. (CCing the drm list) Well this is looks like write after free. > ==

Re: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413

2011-11-23 Thread Markus Trippelsdorf
On 2011.11.21 at 16:36 +0100, Markus Trippelsdorf wrote: > On 2011.11.21 at 15:16 +0100, Eric Dumazet wrote: > > Le lundi 21 novembre 2011 à 14:15 +0100, Markus Trippelsdorf a écrit : > > > > > I've enabled CONFIG_SLUB_DEBUG_ON and this is what happend: > > > > > > > Thanks > > > > Please conti