From 42226063f6885f2114bf6d81fede1896d484c3d1 Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Wed, 4 Jul 2018 15:26:21 +0200
Subject: vm: Disable KVM on i386.
* gnu/build/vm.scm (load-in-linux-vm): Disable KVM on i386.
---
gnu/build/vm.scm | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/gnu/build/vm.scm b/gnu/build/vm.scm
index abecc8c470..5579886264 100644
--- a/gnu/build/vm.scm
+++ b/gnu/build/vm.scm
@@ -105,7 +105,13 @@ the #:references-graphs parameter of 'derivation'."
;; hardware virtualization to still use these commands. KVM support is
;; still buggy on some ARM32 boards. Do not use it even if available.
,@(if (and (file-exists? "/dev/kvm")
- (not target-arm32?))
+ (not target-arm32?)
+
+ ;; XXX: 32-bit 'qemu-system-i386 -enable-kvm' segfaults on
+ ;; x86_64 hosts running Linux-libre 4.17:
+ ;; <https://debbugs.gnu.org/cgi/bugreport.cgi?bug=31380#18> and
+ ;; <https://lists.gnu.org/archive/html/qemu-devel/2018-07/msg01166.html>.
+ (not (string-suffix? "-i386" qemu)))
'("-enable-kvm")
'())
--
cgit v1.2.3