Re: dri ioctl32 problem on amd64/x86_64 on 2.6.8-rc2 and earlier

2004-07-21 Thread Dave Airlie 

> I have a working direct rendering mechanism in my 64-bit userland. However,
> 32-bit software running in a 32-bit chroot environment cannot operate with the
> 64-bit drm. I get the following error when executing the 32-bit glxinfo inside
> the chroot:
>

the DRM has some major 64-bit issues that we need to break backwards
compatibility we haven't simply be able to declare a time when the people
who need to work on it can spare the amount of time needed together...

I think the plan is to fix the issues in the DRM CVS and try and push them
to Linus in one big push which breaks all platforms together and we can
have a flag day

One remaining issue is what types to use in the headers used in both
kernel/userspace, we don't want to have two separate headers (why should
we?) so what types should we use ... surely someone has done this before..

Regards,
Dave.
[drm-maintainer]

-- 
David Airlie, Software Engineer
http://www.skynet.ie/~airlied / airlied at skynet.ie
pam_smb / Linux DECstation / Linux VAX / ILUG person



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dri ioctl32 problem on amd64/x86_64 on 2.6.8-rc2 and earlier

2004-07-20 Thread phil . stewart 
I have a working direct rendering mechanism in my 64-bit userland. However,
32-bit software running in a 32-bit chroot environment cannot operate with the
64-bit drm. I get the following error when executing the 32-bit glxinfo inside
the chroot:

# /usr/X11R6/bin/glxinfo
name of display: :0.0
libGL error: failed to open DRM: Operation not permitted
libGL error: reverting to (slow) indirect rendering
display: :0  screen: 0
direct rendering: No

This generates the following entry in kernel messages:

Jul 20 21:18:46 gordon ioctl32(glxinfo:12562): Unknown cmd fd(4)
cmd(c0086401){00} arg(b0f0) on /dev/dri/card0

Similarly for the 32-bit glxgears:

Jul 20 21:21:21 gordon ioctl32(glxgears:12567): Unknown cmd fd(4)
cmd(c0086401){00} arg(bfffeff0) on /dev/dri/card0

Kernels versions tested (all consistently produce the same error):
2.6.8-rc2
2.6.7-mm6
2.6.7-gentoo-r11

System hardware:
1x AMD Opteron 242
AMD 8151/8111 chipset
Radeon RV100 graphics card

Output of lspci -v regarding graphics card:
:02:00.0 VGA compatible controller: ATI Technologies Inc Radeon RV100 QY
[Radeon 7000/VE] (prog-if 00 [VGA])
Subsystem: PC Partner Limited RV100 QY [Sapphire Radeon VE 7000]
Flags: bus master, stepping, 66Mhz, medium devsel, latency 64, IRQ 16
Memory at e000 (32-bit, prefetchable) [size=ff5c]
I/O ports at b800 [size=256]
Memory at ff5f (32-bit, non-prefetchable) [size=64K]
Expansion ROM at 0002 [disabled]
Capabilities: [58] AGP version 2.0
Capabilities: [50] Power Management version 2

Output of scripts/ver_linux:
Linux gordon 2.6.8-rc2 #1 Tue Jul 20 20:37:41 BST 2004 x86_64 5  GNU/Linux
  
Gnu C  3.3.3
Gnu make   3.80
binutils   2.15.90.0.1.1
util-linux 2.12
mount  2.12
module-init-tools  3.0
e2fsprogs  1.35
Linux C Library2.3.4
Dynamic linker (ldd)   2.3.4
Procps 3.2.1
Net-tools  1.60
Kbd1.12
Sh-utils   5.2.1
Modules Loaded radeon eth1394 snd_seq_midi snd_seq_midi_event snd_seq
ohci1394 ieee1394 snd_pcm_oss snd_mixer_oss snd_cs46xx snd_rawmidi
snd_seq_device snd_ac97_codec snd_pcm snd_timer snd snd_page_alloc budget
budget_core dvb_core saa7146 ttpci_eeprom e1000

Please keep me CC'd in if more information is required.

--
Phil Stewart




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