linux-kernel - Re: intel kms "Failed to allocate space for kernel memory manager"

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Date:	Mon, 12 Jan 2009 23:29:57 +0100
From:	"Jan Dittmer" <jdi@....org>
To:	"Jesse Barnes" <jbarnes@...tuousgeek.org>
Cc:	"Dave Airlie" <airlied@...il.com>,
	"Diego Calleja" <diegocg@...il.com>, linux-kernel@...r.kernel.org,
	eric.anholt@...el.com, airlied@...ux.ie
Subject: Re: intel kms "Failed to allocate space for kernel memory manager"

On Mon, Jan 12, 2009 at 11:08 PM, Jan Dittmer <jdi@....org> wrote:
> On Mon, Jan 12, 2009 at 10:53 PM, Jesse Barnes <jbarnes@...tuousgeek.org> wrote:
>>> name of display: :0.0
>>> libGL: XF86DRIGetClientDriverName: 1.9.0 i965 (screen 0)
>>> libGL: OpenDriver: trying /usr/local/lib/dri/i965_dri.so
>>> drmOpenDevice: node name is /dev/dri/card0
>>> drmOpenDevice: open result is 4, (OK)
>>> drmOpenByBusid: Searching for BusID pci:0000:00:02.0
>>> drmOpenDevice: node name is /dev/dri/card0
>>> drmOpenDevice: open result is 4, (OK)
>>> drmOpenByBusid: drmOpenMinor returns 4
>>> drmOpenByBusid: drmGetBusid reports pci:0000:00:02.0
>>> libGL error: drmMap of framebuffer failed (Resource temporarily
>>> unavailable) libGL error: reverting to software direct rendering
>>>
>>> ?
>>> This is with latest mesa git libGL. Any special compilation options for
>>> mesa?
>>
>> Nope, not afaik.  Are you sure UXA is enabled?  And that Mesa was built
>> against the same libdrm bits as your 2D driver?  If so, then I guess it's
>> time to file a bug. :)
>
> With the patches againg 29-rc1 from here
> http://git.kernel.org/?p=linux/kernel/git/airlied/drm-2.6.git;a=commitdiff;h=3a03ac1a0223f779a3de313523408ddb099e5679;hp=dc1336ff4fe08ae7cfe8301bfd7f0b2cfd31d20a
> and here
> http://groups.google.com/group/linux.kernel/msg/26aa0471cfb54b06?dmode=source&output=gplain
> at least glxinfo works.

Using drm-intel-next from anholt on top, I've working GL (yeah!) but
get millions of
[  649.472172] [drm:drm_wait_vblank] *ERROR* failed to acquire vblank
counter, -22
[  649.512429] [drm:drm_wait_vblank] *ERROR* failed to acquire vblank
counter, -22
[  649.554513] [drm:drm_wait_vblank] *ERROR* failed to acquire vblank
counter, -22
[  649.596972] [drm:drm_wait_vblank] *ERROR* failed to acquire vblank
counter, -22
[  649.638744] [drm:drm_wait_vblank] *ERROR* failed to acquire vblank
counter, -22

entries in my log. libGL says

do_wait: drmWaitVBlank returned -1, IRQs don't seem to be working correctly.
Try adjusting the vblank_mode configuration parameter.

?

Jan
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