lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Thu, 19 Jun 2014 16:36:24 +0200
From:	Daniel Vetter <daniel.vetter@...ll.ch>
To:	Konrad Zapalowicz <bergo.torino@...il.com>
Cc:	"Nikula, Jani" <jani.nikula@...ux.intel.com>,
	Dave Airlie <airlied@...ux.ie>,
	intel-gfx <intel-gfx@...ts.freedesktop.org>,
	dri-devel <dri-devel@...ts.freedesktop.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drivers/i915: Fix unnoticed failure of init_ring_common()

On Thu, Jun 19, 2014 at 4:35 PM, Daniel Vetter <daniel.vetter@...ll.ch> 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
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists