Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> writes:
> As the ftrace log is overflowing the pstore capture, we lose the 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: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Reviewed-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/i915_gem.h | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_gem.h b/drivers/gpu/drm/i915/i915_gem.h
> index e920dab7f1b8..d9f0709973d1 100644
> --- a/drivers/gpu/drm/i915/i915_gem.h
> +++ b/drivers/gpu/drm/i915/i915_gem.h
> @@ -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)
> --
> 2.16.2
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