From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:470:142:3::10]:42880) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i4oMR-0002Rd-3O for guix-patches@gnu.org; Mon, 02 Sep 2019 11:35:20 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i4oMP-0004vJ-Nx for guix-patches@gnu.org; Mon, 02 Sep 2019 11:35:18 -0400 Received: from debbugs.gnu.org ([209.51.188.43]:50051) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1i4oMP-0004uN-I4 for guix-patches@gnu.org; Mon, 02 Sep 2019 11:35:17 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1i4oMP-0006fm-Dp for guix-patches@gnu.org; Mon, 02 Sep 2019 11:35:17 -0400 Subject: [bug#36477] [PATCH v3 44/48] build: vm: Fix arm32 support. Resent-Message-ID: From: Mathieu Othacehe Date: Mon, 2 Sep 2019 17:33:29 +0200 Message-Id: <20190902153333.11190-45-m.othacehe@gmail.com> In-Reply-To: <20190902153333.11190-1-m.othacehe@gmail.com> References: <20190902153333.11190-1-m.othacehe@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-patches-bounces+kyle=kyleam.com@gnu.org Sender: "Guix-patches" To: 36477@debbugs.gnu.org Cc: Mathieu Othacehe * gnu/build/vm.scm (load-in-linux-vm): Disable qemu highmem support on ARM32 systems. --- gnu/build/vm.scm | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/gnu/build/vm.scm b/gnu/build/vm.scm index a5d9fefa62..b85398ed24 100644 --- a/gnu/build/vm.scm +++ b/gnu/build/vm.scm @@ -102,6 +102,14 @@ the #:references-graphs parameter of 'derivation'." ;; hardware limits imposed by other machines. ,@(if target-arm32? '("-M" "virt") '()) + ;; On ARM32, if the kernel is built without LPAE support, ECAM conflicts + ;; with VIRT_PCIE_MMIO causing PCI devices not to show up. Disable + ;; explicitely highmem to fix it. + ;; See: https://bugs.launchpad.net/qemu/+bug/1790975. + ,@(if target-arm32? + '("-machine" "highmem=off") + '()) + ;; Only enable kvm if we see /dev/kvm exists. This allows users without ;; hardware virtualization to still use these commands. KVM support is ;; still buggy on some ARM32 boards. Do not use it even if available. -- 2.20.1