Re: [Intel-gfx] NULL pointer dereference in trace_i915_context_free

2015-07-09 Thread Chris Wilson
On Thu, Jul 09, 2015 at 10:08:08AM +0100, Ceraolo Spurio, Daniele wrote: > Hi, > > I'm hitting a NULL pointer dereference when I enable the > i915_context_free tracepoint (call trace attached). This is caused > by the fact that the trace tries to access ctx->file_priv, which > however may have alr

[Intel-gfx] NULL pointer dereference in trace_i915_context_free

2015-07-09 Thread Ceraolo Spurio, Daniele
Hi, I'm hitting a NULL pointer dereference when I enable the i915_context_free tracepoint (call trace attached). This is caused by the fact that the trace tries to access ctx->file_priv, which however may have already been deleted (even if the pointer is != NULL). I've used that trace extensi