From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 91880] Radeonsi on Grenada cards (r9 390) exceptionally unstable and poorly performing Date: Thu, 16 Mar 2017 11:49:56 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============2094956975==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 954AC6EAB7 for ; Thu, 16 Mar 2017 11:49:56 +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 --===============2094956975== Content-Type: multipart/alternative; boundary="14896649961.c47b9e9.13868"; charset="UTF-8" --14896649961.c47b9e9.13868 Date: Thu, 16 Mar 2017 11:49:56 +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=3D91880 --- Comment #149 from alvarex --- I forgot to mention I had a similar problem on Windows also with a 260x on = the same motherboard so I think in my case is something to do with the motherbo= ard. I tried modyfing some option in grub but that did't help, I added iommu=3Dpt acpi_osi=3DLinux acpi=3Dforce acpi_enforce_resources=3Dlax acpi_osi=3D'!Windows 2013' acpi_osi=3D'!Windows=20 The iommu table is bugged on this motherboard maybe it has something todo? = If I disable iommu completely on the bios usb devices will not power up. --=20 You are receiving this mail because: You are the assignee for the bug.= --14896649961.c47b9e9.13868 Date: Thu, 16 Mar 2017 11:49:56 +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

Comme= nt # 149 on bug 91880<= /a> from alvarex 
I forgot to mention I had a similar problem on Windows also wi=
th a 260x on the
same motherboard so I think in my case is something to do with the motherbo=
ard.
I tried modyfing some option in grub but that did't help, I added

iommu=3Dpt acpi_osi=3DLinux acpi=3Dforce acpi_enforce_resources=3Dlax
acpi_osi=3D'!Windows 2013' acpi_osi=3D'!Windows=20


The iommu table is bugged on this motherboard maybe it has something todo? =
If I
disable iommu completely on the bios usb devices will not power up.

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