Fwd: X.org PCI changes breaks support for Silicon Motion SM720 Lynx3DM card?

Richard Schwarting aquarichy at gmail.com
Thu Dec 11 23:52:07 PST 2008

Hey.  The patches cured XAA slowness for me and obviate the need for
the "UseBIOS" "NO" option for both EXA and XAA for me.  Hurrah.

I mentioned before that after suspending in Fedora, resuming gives me
a blank screen.  If I do any VT switches, than light streaks start
forming starting from the top and bottom edge and bleeding across
vertically across the screen.

This is with XAA acceleration, but it happens with EXA as well.

When I had a working Ubuntu installation last week, I was able to
suspend and restore freely.  Is this likely a Fedora issue and not the


On Thu, Dec 11, 2008 at 08:11, Francisco Jerez <currojerez at gmail.com> wrote:
> Hi,
> "Richard Schwarting" <aquarichy at gmail.com> writes:
>> Hello again.
>> I am a goat and in an effort to verify that the XAA and EXA
>> performance difference was or wasn't just a Ubuntu issue, I tried
>> installing Fedora 10.  Yada yada, Ubuntu got clobbered, Fedora has
>> broken dbus and .gstreamer-0.10 permissions, etc.
>> However!  I did salvage two Xorg.0.log's from my backup of my Ubuntu
>> installation:
>> one for EXA with SMI_DEBUG on, and one for XAA (sadly) without SMI_DEBUG.
>> https://bugs.freedesktop.org/show_bug.cgi?id=18816
> I've attached the old patches to the bug report, and another one that
> will hopefully solve the XAA slowness.
>> I observe the same effect under Fedora 10, and will try to provide
>> more recent logs with -logverbose 7, with and without debugging, if
>> that all will help.
>> I'll note that Fedora 10 has a few separate issues:
>> * when it comes out of sleep, it is remains black with some colour at
>> the top and bottom that slowly bleeds across the screen.
>> * the X server (or is it GDM?) will often crash when VT switching.  I
>> observed this under Ubuntu 8.04 but never reported it.
>> Anyway, would you like me to continue reporting issues in here?  I'm
>> comfortable doing as much investigation as helps.
> Of course... As long as the driver is so buggy. :-)
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