Xorg 1.5.3 known issues in OpenSolaris 2009.06 & Solaris Express build 107

As Phoronix recently noticed, we upgraded the Xorg server from 1.3 to 1.5.3 in Nevada build 107 (currently available via Solaris Express Community Edition (SXCE) Install ISO’s and OpenSolaris IPS package updates in the /dev repo).

When we integrated, I sent out a heads up message with information about the driver compatibility changes and issues we knew about at that time.

So far it’s gone mostly smooth, thanks to the help of the people who tested the pre-integration builds I posted both internally and on the X community on opensolaris.org, but there’s a few issues that have hit some people so far, most with workarounds you can use to get past them:

6801598 Xorg 1.5 ignores kernel keyboard layout setting, always uses "us"

Fixed in build 109. Xorg on Solaris has always shipped with a patch to query the kernel for the console keyboard layout (which in turn either gets set automatically by the keyboard if, like Sun keyboards, it provides the layout in the optional USB HID layout identifier, or gets set by querying the user on initial installation), but the code we apply this patch to moved from the Xorg binary to the kbd_drv.so binary in Xorg 1.5 and our patch didn’t get migrated correctly. We didn’t notice in testing since our testing was done with input devices provided by HAL, which was handling this for us, but when that didn’t integrate as expected, this bug was exposed.

Workaround: Create an /etc/X11/xorg.conf file with a keyboard section specifying your desired layout, such as this one for a British layout:

Section "InputDevice"
	Identifier		"Keyboard0"
	Driver			"kbd"
	Option "XkbRules"	"xorg"
	Option "XkbModel"	"pc105"
	Option "XkbLayout"	"gb"
EndSection

6791361 SUNWxorg-xkb should deliver "base" rules

If you do need to set a localized keyboard layout, you may notice the default XKB rules file upstream changed from "xorg" (which is currently shipped in our packages) to "base" (which isn’t yet, though we’ve asked the localization teams who build our XKB packages to add it).

Workaround: Include an XkbRules option line in your keyboard settings as shown in the example above, or make a symlink from /usr/X11/lib/X11/xkb/rules/base to the xorg file in that directory. The fix for the above bug in build 109 should also set the default used by our Xorg builds back to "xorg" for now.

6801386 Xorg core dumps on startup if hald not running in snv_107

Fixed in build 109. Yet another instance of our old friend 6724478 libc printf should not SEGV when passed NULL for %s format. This was a design decision made in SVR4 and Solaris 2.0 many years ago, to force programmers to catch NULL pointer misuse - but since Linux & the BSD’s allow it, today it’s mostly become a source of pain in porting code that while technically incorrect, works on those platforms, so the decision was made last year to change Solaris libc to match. Unfortunately, that change is still undergoing standards conformance testing, so hasn’t integrated yet, and we still have to check for NULL first.

Workaround: Make sure hald starts before Xorg does. This shouldn’t be a problem for gdm users (default in OpenSolaris), since the gdm SMF service lists the hal service as a dependency that needs to start first, but may cause problems for dtlogin, xinit or startx users.

6806763 Xorg 1.5 doesn’t start if xorg.conf contains RgbPath entry

Fixed in 109, and in upstream head. This entry in the Files section of xorg.conf was obsoleted upstream, but became a parse error instead of just being ignored, which breaks people who upgraded a system with a working xorg.conf that happened to have this line.

Workaround: Remove RgbPath lines from /etc/X11/xorg.conf.

6799573 Metacity not starting on TX Xorg 1.5

Fixed in 108. The XACE framework used by extensions such as Xtsol & Xselinux added new permission types to check in the upstream release, but Xtsol doesn’t handle all of them yet. In this case, Metacity’s constant checking of round-trip time by appending to an existing property failed because Xtsol was only handling the WriteAccess check and not the BlendAccess check.

I don’t know of a workaround for this other than not running the desktop in multi-level mode, so users of the labeled/multi-level security desktop in Trusted Extensions may want to wait to upgrade until then.

6798452 X Server will not start on x86 systems with multiple graphics devices

Not yet fixed, either in our builds or upstream, but has a simple workaround of creating an xorg.conf file listing the devices you want to use. This may affect people with a single card if your motherboard has on-board graphics as well.

6797940 Can’t do gui installs on x86 systems with Nevada 107/Nevada 108

We haven’t yet tracked down this issue, which only affects the SXCE installer on x86/x64 platforms. Workarounds include using the OpenSolaris LiveCD installer or the text only mode of the SXCE installer instead. After installation, the installed Xorg works fine (modulo the above issues).

6686 SUNWefb[w] should be part of slim_install

Fixed in 108. The SPARC drivers added in OpenSolaris build 107 for Xorg on XVR-50, XVR-100, and XVR-300 graphics cards aren’t included in the default install. You can add them after the install by doing pfexec pkg install SUNWefb SUNWefbw and then rebooting. (These drivers are only available in OpenSolaris installs, not SXCE ones, since they conflict with the Xsun drivers for these cards included in SXCE.)

Comments:

Another thing to note is that the current VirtualBox guest additions don't work with the new X server (the driver module is now out of rev with the X server). See

http://www.virtualbox.org/ticket/3408

Posted by Robert Krawitz on February 21, 2009 at 11:56 PM PST #

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