From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=BAYES_00,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4238FC43461 for ; Thu, 10 Sep 2020 01:59:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 13FA020708 for ; Thu, 10 Sep 2020 01:59:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730309AbgIJB7R convert rfc822-to-8bit (ORCPT ); Wed, 9 Sep 2020 21:59:17 -0400 Received: from mail.kernel.org ([198.145.29.99]:55124 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729993AbgIJBrr (ORCPT ); Wed, 9 Sep 2020 21:47:47 -0400 From: bugzilla-daemon@bugzilla.kernel.org To: linux-scsi@vger.kernel.org Subject: [Bug 206123] aacraid ( PM8068) and iommu=nobypass Frozen PHB error on ppc64 Date: Thu, 10 Sep 2020 01:46:44 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo scsi_drivers-aacraid@kernel-bugs.osdl.org X-Bugzilla-Product: SCSI Drivers X-Bugzilla-Component: AACRAID X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: sagar.biradar@microchip.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: scsi_drivers-aacraid@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=206123 --- Comment #11 from Sagar (sagar.biradar@microchip.com) --- (In reply to gyakovlev from comment #10) > (In reply to Oliver O'Halloran from comment #8) > > Can you see if this patch fixes it? > > > > > https://patchwork.ozlabs.org/project/linuxppc-dev/patch/20200908015106.79661- > > 1-aik@ozlabs.ru/ > > ok I applied this patch to linux-5.4.63 > > looks very good so far, kernel booted with 'iommu=nobypass' and I don't see > any problems with aacraid yet, it works. I can write to all 8 SAS disks in > parallel, and can't trigger the error. > > > I'll try to generate torture/heavy random IO on the disks a bit later. > > also I may give linux-5.8.8 a try. Hi, could you please post you findings with heavy IO load? Also Thanks Oliver for adding the reference to the potential patch. Appreciate it. Thanks Sagar -- You are receiving this mail because: You are watching the assignee of the bug.