Hi Jerome,
On Wed, Apr 25, 2012 at 9:03 PM, <j.glisse@xxxxxxxxx> wrote:
> From: Jerome Glisse <jglisse@xxxxxxxxxx>
>
> This add a command buffer dumping facilities, that will
> dump command buffer and all associated bo that most likely
> triggered a lockup.
[cut]
I spotted this:
> +void radeon_fence_blob_faulty_ib(struct radeon_device *rdev, int ring)
> +{
> + struct radeon_fence *fence;
> + struct list_head *i;
> + unsigned long irq_flags;
> + uint32_t seq;
> +
> + write_lock_irqsave(&rdev->fence_lock, irq_flags);
> + seq = radeon_fence_read(rdev, ring);
> + list_for_each(i, &rdev->fence_drv[ring].emitted) {
> + fence = list_entry(i, struct radeon_fence, list);
> + if (fence->seq != seq && fence->ib) {
> + radeon_lockup_build_blob(rdev, fence->ib);
radeon_lockup_build_blob() will take a mutex and call vmalloc() inside
an atomic context.
Luca
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