[ltp] ! (Re: New ATI Driver) - Still not much luck

[Alex Deucher]

On 11/16/05, D. Sen <dsen@ieee.org> wrote:
> Thanks Pezhman. I will try using external AGP.
>
> Alex, how do I re-init the AGP driver during a resume cycle? Is there a
> utility to do this or do I have to write a few lines of code?
>

you may have to add some code to the agp driver.  It's been a while
since I looked at it (things may have changed in 2.6 agp), but  you
may need to add something like this:
http://visualisation.tudelft.nl/~cpbotha/files/dri_reinit/agpgart-i845-resu=
me.patch

It's possible your agp driver already supports resume...

Alex

> Thanks,
> DS
>
> Pezhman Givy wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > Hi D. Sen,
> >
> > I have exactly the same ATI graphics card "ATI Technologies Inc M10 NT
> > [FireGL Mobility T2] (rev 80)". The new ATI driver
> > on my machine is much more stable when I use the external AGP support b=
y
> > means of loading intel_agp at boot time. When I use the internal AGP
> > support the machine resumes from suspend to ram but the display is
> > corrupted followed by a crash. When I use the internal AGP support even
> > rebooting or halting the machine within X causes a crash even without
> > any suspend/resume cycles.
> > Using the external AGP support suspend to ram/resume seems to work.
> > Although 3D support is disabled after resume (fgl_glxgears dies with
> > floating point error.) I told better not perfect. I experienced crashes
> > when restaring X after some suspend/resume cycles.
> >
> > Kernel version is 2.6.13. lid.sh does nothing except stoping hotplug
> > before suspend and starting it when resuming. Xorg version is 6.8.2.
> > Without acpi_sleep=3Ds3_bios in the kernel command line I can reproduce
> > the "inu"-effect you described before.
> >
> > D. Sen wrote:
> >
> >>Enclosed is my `lspci -v`.
> >>
> >>
> >>
> >>Florian Reitmeir wrote:
> >>
> >>
> >>>>Here are my boot parameters:
> >>>>
> >>>>kernel (hd0,4)/vmlinuz-2.6.14 root=3D/dev/hda6 acpi=3Don resume=3D/de=
v/hda9
> >>>>splash=3Dsilent acpi_sleep=3Ds3_bios pci=3Dnoacpi noapic
> >>>>
> >>>>Any other suggestions?
> >>>
> >>>
> >>>
> >>>i use (translated to your example)
> >>>kernel (hd0,4)/vmlinuz-2.6.14 root=3D/dev/hda6 resume=3D/dev/hda9
> >>>acpi_sleep=3Ds3_bios apic
> >>>
> >>>can you post an lspci from your system? maybe its an other module whic=
h
> >>>prevents the correct sleep cycle.
> >>>
> >>>
> >>>
> >>>
> >>>>>>Nope ....still no luck!!! recompiled the kernel (2.6.14-2) with the
> >>>>>>suspend 2 patch and almost exact config file as Fionn (except I
> >>>>>>have xfs support built in to the kernel).
> >>>>>>
> >>>>>>So now I have the exact same kernel and xorg.conf as Fionn and
> >>>>>>still cant get suspend/resume (to memory) to work.
> >>>>>>
> >>>>>>The only other variable are the acpi suspend/resume scripts. Can
> >>>>>>anyone (who has this working) post them?
> >>>>>
> >>>>>
> >>>>>suspend worked with the default script from acpid for me fine (i
> >>>>>also use
> >>>>>only XFS). Make sure you boot your kernel with the acpi_sleep
> >>>>>parameter..
> >>>>>
> >>>>>      acpi_sleep=3D     [HW,ACPI] Sleep options
> >>>>>                      Format: { s3_bios, s3_mode }
> >>>>>                      See Documentation/power/video.txt
> >>>>>
> >>>>>s3_bios worked for me.
> >>>>>
> >>>>>
> >>>>>>>Still not much luck though. I havent recompiled the kernel to
> >>>>>>>include suspend2 support YET. This is mostly because I dont need
> >>>>>>>hibernate/suspend-to-disk as much as I need suspend-to-ram.
> >>>>>>>
> >>>>>>>Using your xorg.conf didnt help either. Still got the terminal
> >>>>>>>window with the text "inu" after resume and a lockup.
> >>>>>>>
> >>>>>>>Next I removed the automatic insmoding of intel_agp and agpgart
> >>>>>>>during startup. This seemed to help a little in that I got X back
> >>>>>>>(after a resume) but with a large amount of distortions and
> >>>>>>>finally a lockup.
> >>>>>>>
> >>>>>>>Then I tried recompiling the fglrx.o module. This helped in that I
> >>>>>>>got X back and it was functional. When I tried to plot a 3D plot
> >>>>>>>using matlab, everything locked up again.
> >>>>>>>
> >>>>>>>So the next step is to install a 2.6.14 kernel with suspend2
> >>>>>>>support and see if that helps.
> >>>>>>>
> >>>>>>>Thanks again (and still would appreciate any help/hints on whats
> >>>>>>>going on).
> >>>>>>>Fionn Behrens wrote:
> >>>>>>>
> >>>>>>>
> >>>>>>>>On Di, 2005-11-15 at 03:09 +1100, D. Sen wrote:
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>>Could you send me your xorg.conf and the kernel .config?
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>The files can be found at http://fionn.de/config/
> >>>>>>>>I used fglrxconfig to create the xorg.conf (warning, your old con=
fig
> >>>>>>>>gets overwritten!) and afterwards I edited some values and put th=
e
> >>>>>>>>synaptics stuff back in. But it already worked fine with the fglr=
x
> >>>>>>>>"factory" config.
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>>Also, did you configure the kernel for suspend 2?
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>Yes, but I actually use it almost never and have not tried it
> >>>>>>>>yet. There
> >>>>>>>>have been other posters today who reported to have had success wi=
th
> >>>>>>>>suspend2 and how.
> >>>>>>>>After all the battery can hold up S3 for about a week and my
> >>>>>>>>Notebook
> >>>>>>>>aint never off that long.
> >>>
> >>>
> >>>
> >
> >
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