Re: [next] Null pointer dereference in nouveau_vm_map_sg

2012-01-25 Thread Martin Nyhus
On Tue, 24 Jan 2012 17:33:19 -0500 Jerome Glisse j.gli...@gmail.com wrote: Can you please both test if attached patch fix it for you ? Thanks. It looks good too me, but it crashes a little later due to vma-node being invalid: Jan 25 00:54:21 callisto kernel: [ 119.038357] [drm]

Re: [next] Null pointer dereference in nouveau_vm_map_sg

2012-01-25 Thread Jerome Glisse
On Tue, Jan 24, 2012 at 7:12 PM, Martin Nyhus martin.ny...@gmx.com wrote: On Tue, 24 Jan 2012 17:33:19 -0500 Jerome Glisse j.gli...@gmail.com wrote: Can you please both test if attached patch fix it for you ? Thanks. It looks good too me, but it crashes a little later due to vma-node being

Re: [next] Null pointer dereference in nouveau_vm_map_sg

2012-01-24 Thread Jerome Glisse
On Sun, Jan 22, 2012 at 01:33:16PM -0500, Konrad Rzeszutek Wilk wrote: On Tue, Jan 17, 2012 at 12:57:50AM +0100, Martin Nyhus wrote: On Monday 16. January 2012 21:30:59 Jerome Glisse wrote: On Sun, Jan 15, 2012 at 10:31:08PM +0100, Martin Nyhus wrote: In some cases mem will be null in

Re: [next] Null pointer dereference in nouveau_vm_map_sg

2012-01-22 Thread Konrad Rzeszutek Wilk
On Tue, Jan 17, 2012 at 12:57:50AM +0100, Martin Nyhus wrote: On Monday 16. January 2012 21:30:59 Jerome Glisse wrote: On Sun, Jan 15, 2012 at 10:31:08PM +0100, Martin Nyhus wrote: In some cases mem will be null in nouveau_vm_map_sg, resulting in a crash at

Re: [next] Null pointer dereference in nouveau_vm_map_sg

2012-01-16 Thread Jerome Glisse
On Sun, Jan 15, 2012 at 10:31:08PM +0100, Martin Nyhus wrote: In some cases mem will be null in nouveau_vm_map_sg, resulting in a crash at drivers/gpu/drm/nouveau/nouveau_vm.c:84. It seems to be easy enough to reproduce, so I can test patches if needed. Martin How do you trigger