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

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

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 for

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

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

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

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 ?

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

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

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

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

2011-12-05 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 seems to

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 mar...@trippelsdorf.de wrote: On 2011.12.03 at 12:20 +,

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 mar...@trippelsdorf.de 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 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 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 Glisse

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 mar...@trippelsdorf.de 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

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

2011-12-05 Thread Jerome Glisse
kexec works we need to disable any kind of GPU writeback early in GPU initialization just in case some are still active from previous setup. This patch is done to fix the issue described in the lkml thread : WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413 https://lkml.org/lkml/2011/12/5/466

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 >>

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

2011-12-04 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

2011-12-04 Thread Jerome Glisse
On Sat, Dec 3, 2011 at 8:02 PM, Markus Trippelsdorf mar...@trippelsdorf.de wrote: On 2011.12.03 at 14:31 -0500, Jerome Glisse wrote: On Sat, Dec 3, 2011 at 7:29 AM, Markus Trippelsdorf mar...@trippelsdorf.de wrote: On 2011.12.03 at 12:20 +, Dave Airlie wrote: FIX idr_layer_cache:

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

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

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

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,

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

2011-12-03 Thread Markus Trippelsdorf
On 2011.12.02 at 18:04 -0500, Jerome Glisse wrote: > 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

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, it could be that the

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 is getting written back to

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 j.gli...@gmail.com wrote: On Sat, Dec 3, 2011 at 7:29 AM, Markus Trippelsdorf mar...@trippelsdorf.de wrote: On 2011.12.03 at 12:20 +, Dave Airlie wrote: FIX idr_layer_cache: Marking all objects used Yesterday I couldn't reproduce

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 mar...@trippelsdorf.de 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

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

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

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.

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

2011-12-02 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 used

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 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 Lameter wrote:

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

2011-12-02 Thread Jerome Glisse
: Fri, 2 Dec 2011 17:50:02 -0500 Subject: [PATCH] UGLY DEBUGING WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413 --- drivers/gpu/drm/drm_crtc.c |2 ++ drivers/gpu/drm/drm_pci.c |2 ++ drivers/gpu/drm/drm_platform.c |2 ++ lib/idr.c |6 +- mm

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

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

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've hit

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) > >

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 this is

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 ? 14:15 +0100, Markus Trippelsdorf a ?crit : > > > > > I've enabled CONFIG_SLUB_DEBUG_ON and this is what happend: > > > > > > > Thanks > > > > Please

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 continue to provide

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.