From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from firstgate.proxmox.com (firstgate.proxmox.com [212.224.123.68]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.proxmox.com (Postfix) with ESMTPS id D63F571B4A for ; Fri, 13 May 2022 10:58:57 +0200 (CEST) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id C799E2F9CE for ; Fri, 13 May 2022 10:58:27 +0200 (CEST) Received: from proxmox-new.maurer-it.com (proxmox-new.maurer-it.com [94.136.29.106]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by firstgate.proxmox.com (Proxmox) with ESMTPS id 1BD982F9C5 for ; Fri, 13 May 2022 10:58:27 +0200 (CEST) Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id B405E42F47 for ; Fri, 13 May 2022 10:58:20 +0200 (CEST) From: Stoiko Ivanov To: pve-devel@lists.proxmox.com Date: Fri, 13 May 2022 10:57:39 +0200 Message-Id: <20220513085739.545309-1-s.ivanov@proxmox.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SPAM-LEVEL: Spam detection results: 0 AWL 0.199 Adjusted score from AWL reputation of From: address BAYES_00 -1.9 Bayes spam probability is 0 to 1% KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record T_SCC_BODY_TEXT_LINE -0.01 - Subject: [pve-devel] [PATCH pve-kernel] d/rules: kconfig: do not enable intel_iommu by default X-BeenThere: pve-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox VE development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 13 May 2022 08:58:57 -0000 enabling this causes quite a few issues with older hardware (hp g8, and the like) - and most of our guides do call for enabling it where needed (pci passthrough). the setting was off in the 5.13 series. following reports of disabling intel_iommu explicitly fixing the issues in our community forum: https://forum.proxmox.com/threads/.109368 Signed-off-by: Stoiko Ivanov --- tested by installing on a HP G8 (and starting a minimal VM and running stress-ng -d 2 for a minute), and on 2 VMs alternatively we could document this in the 7.2 release notes and ask users of problematic hardware to set this explicitly debian/rules | 1 + 1 file changed, 1 insertion(+) diff --git a/debian/rules b/debian/rules index 1ec1147..d648d95 100755 --- a/debian/rules +++ b/debian/rules @@ -44,6 +44,7 @@ PVE_CONFIG_OPTS= \ -m CONFIG_BLK_DEV_NVME \ -e CONFIG_NLS_ISO8859_1 \ -d CONFIG_INPUT_EVBUG \ +-d CONFIG_INTEL_IOMMU_DEFAULT_ON \ -d CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND \ -d CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL \ -e CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE \ -- 2.30.2