[Bug 24810] New: TTM out of aperture space, X lockup

[Bug 24810] New: TTM out of aperture space, X lockup

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=24810

           Summary: TTM out of aperture space, X lockup
           Product: xorg
           Version: unspecified
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
        ReportedBy: aeriksson-97jfqw80gc6171pxa8y+qA@public.gmane.org
         QAContact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org


Afer an upgrade to xorg-server-1.7.0.902 and latest git for the kernel and 
xorg nouveau drivers I cannot start x with kms under wmaker. As root (just twm 
and an xterm) it's ok.

Dmesg shows:
 [drm] DAC-6: set mode 1680x1050 1a
[drm] nouveau 0000:01:00.0: nv04_dac_mode_set called for encoder 0
[drm] nouveau 0000:01:00.0: Setting dpms mode 0 on CRTC 0
[drm] nouveau 0000:01:00.0: Setting dpms mode 0 on vga encoder (output 0)
[drm] nouveau 0000:01:00.0: Output VGA-1 is running on CRTC 0 using output @
[drm] Initialized nouveau 0.0.15 20090420 for 0000:01:00.0 on minor 0
[drm] nouveau 0000:01:00.0: Setting dpms mode 1 on vga encoder (output 0)
[drm] nouveau 0000:01:00.0: Setting dpms mode 0 on CRTC 0
[drm] nouveau 0000:01:00.0: Setting dpms mode 0 on vga encoder (output 0)
[drm] nouveau 0000:01:00.0: Allocating FIFO number 1
[drm] nouveau 0000:01:00.0: nouveau_channel_alloc: initialised FIFO 1
[drm] nouveau 0000:01:00.0: nouveau_channel_free: freeing fifo 1
[drm] nouveau 0000:01:00.0: Allocating FIFO number 1
[drm] nouveau 0000:01:00.0: nouveau_channel_alloc: initialised FIFO 1
[TTM] Failed moving buffer. Proposed placement 0x00070004
[TTM] Out of aperture space or DRM memory quota.
[drm] nouveau 0000:01:00.0: nouveau_channel_free: freeing fifo 1
[drm] nouveau 0000:01:00.0: Setting dpms mode 3 on CRTC 0

and the display is powered off. At this point I need to ssh to the machine as 
reboot it.

If I don't use kms, I can start wmaker just fine:
Linux agpgart interface v0.103
agpgart-intel 0000:00:00.0: Intel 440BX Chipset
agpgart-intel 0000:00:00.0: AGP aperture is 64M @ 0xe8000000
[drm] Initialized drm 1.1.0 20060810
[drm] nouveau 0000:01:00.0: Detected an NV4 generation card (0x20154000)
[drm] Initialized nouveau 0.0.15 20090420 for 0000:01:00.0 on minor 0
[TTM] Zone  kernel: Available graphics memory: 221064 kiB.
[drm] nouveau 0000:01:00.0: 16 MiB VRAM
agpgart-intel 0000:00:00.0: AGP 1.0 bridge
agpgart-intel 0000:00:00.0: putting AGP V2 device into 2x mode
[drm] nouveau 0000:01:00.0: 64 MiB GART (aperture)
[drm] nouveau 0000:01:00.0: Allocating FIFO number 0
[drm] nouveau 0000:01:00.0: nouveau_channel_alloc: initialised FIFO 0
[drm] nouveau 0000:01:00.0: Allocating FIFO number 1
[drm] nouveau 0000:01:00.0: nouveau_channel_alloc: initialised FIFO 1


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[Bug 24810] TTM out of aperture space, X lockup

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=24810


Pauli <suokkos-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |thomas-CdwZJljFklH+2FeEXyspIVaTQe2KTcn/@public.gmane.org




--- Comment #1 from Pauli <suokkos-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>  2010-01-28 10:17:45 PST ---
Very similar TTM bug happens with radeon driver which is reported at
https://bugs.launchpad.net/bugs/507148.

Short description:
Starting X with mobility radeon 7500 in system with 64M GTT and less than 32M
VRAM may cause TTM placement move fail because the target is full. (placement
hint: 0x00060004)


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[Bug 24810] TTM out of aperture space, X lockup

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=24810

--- Comment #2 from Lucas Stach <dev-8ppwABl0HbeELgA04lAiVw@public.gmane.org> 2011-02-15 03:20:17 PST ---
I think this could be fixed by 
http://cgit.freedesktop.org/nouveau/linux-2.6/commit/?id=78ad0f7bf2bb667729581f099781fc0b7ae58fcc

But I am not entirely sure. Could someone with more insight into this things
than me comment on this, please?

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[Bug 24810] TTM out of aperture space, X lockup

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=24810

--- Comment #3 from aeriksson-97jfqw80gc6171pxa8y+qA@public.gmane.org 2011-02-15 06:42:30 PST ---
I'm the original reporter of this bug. If memory serves, there was a patch
floated (and committed) shortly after I raised the byg. The card worked fine
since then using mainline code, but it died physically 6 months ago so I cannot
do any testing of new stuff for you.

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[Bug 24810] TTM out of aperture space, X lockup

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=24810

Lucas Stach <dev-8ppwABl0HbeELgA04lAiVw@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #4 from Lucas Stach <dev-8ppwABl0HbeELgA04lAiVw@public.gmane.org> 2011-02-15 09:55:43 PST ---
Ok, so we could consider this as fixed. Thank you for your reply.

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