4 files changed, 17 insertions, 2 deletions
diff --git a/source/x/x11/build/xf86-video-vesa b/source/x/x11/build/xf86-video-vesa
index 00750edc0..d00491fd7 100644
--- a/source/x/x11/build/xf86-video-vesa
+++ b/source/x/x11/build/xf86-video-vesa
@@ -1 +1 @@
-3
+1
diff --git a/source/x/x11/build/xorg-server b/source/x/x11/build/xorg-server
index 0cfbf0888..00750edc0 100644
--- a/source/x/x11/build/xorg-server
+++ b/source/x/x11/build/xorg-server
@@ -1 +1 @@
-2
+3
diff --git a/source/x/x11/patch/xorg-server.patch b/source/x/x11/patch/xorg-server.patch
index 2f47985b7..f670b4178 100644
--- a/source/x/x11/patch/xorg-server.patch
+++ b/source/x/x11/patch/xorg-server.patch
@@ -22,3 +22,6 @@ zcat $CWD/patch/xorg-server/0001-autobind-GPUs-to-the-screen.patch.gz | patch -p
 # Reference: https://bugs.freedesktop.org/show_bug.cgi?id=94844
 # Added here 2018/7.
 zcat $CWD/patch/xorg-server/0001-xfree86-use-modesetting-driver-by-default-on-GeForce.patch.gz | patch -p1 --verbose || { touch ${SLACK_X_BUILD_DIR}/${PKGNAME}.failed ; continue ; }
+
+# Fix a PCI related segfault:
+zcat $CWD/patch/xorg-server/fix-pci-segfault.diff.gz | patch -p1 --verbose || { touch ${SLACK_X_BUILD_DIR}/${PKGNAME}.failed ; continue ; }
diff --git a/source/x/x11/patch/xorg-server/fix-pci-segfault.diff b/source/x/x11/patch/xorg-server/fix-pci-segfault.diff
new file mode 100644
index 000000000..400376287
--- /dev/null
+++ b/source/x/x11/patch/xorg-server/fix-pci-segfault.diff
@@ -0,0 +1,12 @@
+diff --git a/hw/xfree86/common/xf86platformBus.c b/hw/xfree86/common/xf86platformBus.c
+index cef47da03d0e91e6a56a5e3cb14a51d931633eff..dadbac6c8f0ae6f3d636fdfe245e61bc0c98581d 100644
+--- a/hw/xfree86/common/xf86platformBus.c
++++ b/hw/xfree86/common/xf86platformBus.c
+@@ -289,7 +289,7 @@ xf86platformProbe(void)
+     for (i = 0; i < xf86_num_platform_devices; i++) {
+         char *busid = xf86_platform_odev_attributes(i)->busid;
+ 
+-        if (pci && (strncmp(busid, "pci:", 4) == 0)) {
++        if (pci && busid && (strncmp(busid, "pci:", 4) == 0)) {
+             platform_find_pci_info(&xf86_platform_devices[i], busid);
+         }