From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 93649] [radeonsi] Graphics lockup while playing tf2 Date: Mon, 24 Oct 2016 20:10:33 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0674535088==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id E33586E5B6 for ; Mon, 24 Oct 2016 20:10:32 +0000 (UTC) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============0674535088== Content-Type: multipart/alternative; boundary="14773398322.7FFb7fab.11820"; charset="UTF-8" --14773398322.7FFb7fab.11820 Date: Mon, 24 Oct 2016 20:10:32 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated https://bugs.freedesktop.org/show_bug.cgi?id=3D93649 --- Comment #50 from Matthew Dawson --- (In reply to Marek Ol=C5=A1=C3=A1k from comment #49) > (In reply to Marek Ol=C5=A1=C3=A1k from comment #48) > > Does this fix the hangs? > > https://cgit.freedesktop.org/mesa/mesa/commit/ > > ?id=3Dd4d9ec55c589156df4edc227a86b4a8c41048d58 > >=20 > > It changes the HTILE (HyperZ) allocation function to > > r600_aligned_buffer_create. Without that, the hardware can hang on big = GPUs > > (Tahiti/Pitcairn/Hawaii/Tonga/etc), but not APUs or small GPUs. The hang > > happens when TTM decides to move HTILE to a different location with an > > unaligned physical address (which is pretty random). The hardware tries= to > > access the unaligned address and boom. >=20 > Actually, I think that commit only affects Hawaii and Fiji. Other GPUs mi= ght > be unaffected, which means the Tahiti hangs are due to a different bug. I've previously tried disabling hyperz on Tahiti with no luck in side stepp= ing this bug, so I don't think this is the issue. Could there be other buffers that need similar treatment that are being ignored? Is there an easy way to test this locally? --=20 You are receiving this mail because: You are the assignee for the bug.= --14773398322.7FFb7fab.11820 Date: Mon, 24 Oct 2016 20:10:32 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated

Commen= t # 50 on bug 93649<= /a> from Matthew Dawson 
(In reply to Marek Ol=C5=A1=C3=A1k from comment #49)
> (In reply to Marek Ol=C5=A1=C3=A1k from comment #48)
> > Does this fix the hangs?
> > https:=
//cgit.freedesktop.org/mesa/mesa/commit/
> > ?id=3Dd4d9ec55c589156df4edc227a86b4a8c41048d58
> >=20
> > It changes the HTILE (HyperZ) allocation function to
> > r600_aligned_buffer_create. Without that, the hardware can hang o=
n big GPUs
> > (Tahiti/Pitcairn/Hawaii/Tonga/etc), but not APUs or small GPUs. T=
he hang
> > happens when TTM decides to move HTILE to a different location wi=
th an
> > unaligned physical address (which is pretty random). The hardware=
 tries to
> > access the unaligned address and boom.
>=20
> Actually, I think that commit only affects Hawaii and Fiji. Other GPUs=
 might
> be unaffected, which means the Tahiti hangs are due to a different bug=
.

I've previously tried disabling hyperz on Tahiti with no luck in side stepp=
ing
this bug, so I don't think this is the issue.

Could there be other buffers that need similar treatment that are being
ignored?  Is there an easy way to test this locally?

You are receiving this mail because:
  • You are the assignee for the bug.
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