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Commit 128326a1 authored by Chris Wilson's avatar Chris Wilson
Browse files

drm/i915: Repeat the GEM_BUG_ON message in the ftrace log 



As the ftrace log is overflowing the pstore capture, we lose the last
gasps from dmesg which includes the GEM_BUG_ON function:line and condition
that failed. Vital information for tracking down the bug, so append it to
the frace log as well.

Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: default avatarMika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180227211816.5546-1-chris@chris-wilson.co.uk
parent d66047e4

drivers/gpu/drm/i915/i915_gem.h

+4 −1
Original line number Diff line number Diff line
@@ -29,7 +29,10 @@ 


#ifdef CONFIG_DRM_I915_DEBUG_GEM

#define GEM_BUG_ON(condition) do { if (unlikely((condition))) {	\

		printk(KERN_ERR "GEM_BUG_ON(%s)\n", __stringify(condition)); \

		pr_err("%s:%d GEM_BUG_ON(%s)\n", \

		       __func__, __LINE__, __stringify(condition)); \

		GEM_TRACE("%s:%d GEM_BUG_ON(%s)\n", \

			  __func__, __LINE__, __stringify(condition)); \

		BUG(); \

		} \

	} while(0)