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Date:	Thu, 19 Jun 2014 16:36:24 +0200
From:	Daniel Vetter <>
To:	Konrad Zapalowicz <>
Cc:	"Nikula, Jani" <>,
	Dave Airlie <>,
	intel-gfx <>,
	dri-devel <>,
	Linux Kernel Mailing List <>
Subject: Re: [PATCH] drivers/i915: Fix unnoticed failure of init_ring_common()

On Thu, Jun 19, 2014 at 4:35 PM, Daniel Vetter <> wrote:
> The actual bug we seem to have is blowing up on the ggtt_unpin in
> context_fini. Which is doubly-impossible: Gen4 doesn't have hw
> contexts, so should have dctx->obj == NULL. And ring init failures
> fail earlier so shouldn't even hit the context_fini code below the
> cleanup_gem: label in driver_load. Seriously confused here.

Also please retest with latest upstream, we've made the ring init
failure non-letal for the driver. That should help you, too.
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 -
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