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 19:54:35 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1182077827==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 87AE16E5B5 for ; Mon, 24 Oct 2016 19:54:35 +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 --===============1182077827== Content-Type: multipart/alternative; boundary="14773388754.6CAe7CfF.11321"; charset="UTF-8" --14773388754.6CAe7CfF.11321 Date: Mon, 24 Oct 2016 19:54:35 +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 #49 from Marek Ol=C5=A1=C3=A1k --- (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 GP= Us > (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. Actually, I think that commit only affects Hawaii and Fiji. Other GPUs migh= t be unaffected, which means the Tahiti hangs are due to a different bug. --=20 You are receiving this mail because: You are the assignee for the bug.= --14773388754.6CAe7CfF.11321 Date: Mon, 24 Oct 2016 19:54:35 +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 # 49 on bug 93649<= /a> from Marek Ol=C5=A1=C3=A1k 
(In reply to Marek Ol=C5=A1=C3=A1k from comment #48)
> Does this fix the hangs?
> https://cgi=
t.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 ha=
ng
> happens when TTM decides to move HTILE to a different location with an
> unaligned physical address (which is pretty random). The hardware trie=
s to
> access the unaligned address and boom.

Actually, I think that commit only affects Hawaii and Fiji. Other GPUs migh=
t be
unaffected, which means the Tahiti hangs are due to a different bug.

You are receiving this mail because:
  • You are the assignee for the bug.
= --14773388754.6CAe7CfF.11321-- --===============1182077827== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVs IG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlz dHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg== --===============1182077827==--