OpenGL axis error on Compaq Evo N610c

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9 years 2 months ago - 9 years 2 months ago #97015 by joel.maxuel
Hi, first post here.

I know it has been covered at least twice before, and I have seen the two workarounds , I am still experiencing problems getting LinuxCNC to start.

The terminal output:

Warning: Spoiler!


So the two workarounds I tried was:
  1. the libgl1-mesa-swx11 package in place of libgl1-mesa-glx. This change cased the following bootup error, dibabling hardware acceleration (assuming it was in fact working in some fashion before):

    [drm:r100_ring_test [radeon]] *ERROR* radeon: ring test failed (scratch(0x15E4)=0xCAFEDEAD)
    [drm:r100_cp_init [radeon]] *ERROR* radeon: cp isn't working (-22).
    radeon 0000:01:00.0: failed initializing CP (-22).
    radeon 0000:01:00.0: Disabling GPU acceleration
    [drm:r100_cp_fini [radeon]] *ERROR* Wait for CP idle timeout, shutting down CP.

  2. using the vesa driver for xorg. This prevented X from starting up altogether:

    vesa: Ignoring device with a bound kernel driver
    (WW) Falling back to old probe method for vesa
    (EE) Screen 0 deleted because of no matching config section.
    (II) UnloadModule: "vesa"
    (EE) Device(s) detected, but none match those in the config file.
    (EE)
    Fatal server error: (EE) no screens found(EE)


Attached (hopefully) is my full X log and conf file. Once again, this is a Compaq Evo N610c laptop (I realize the latency will very likely be a future issue - I plan to sim with it - although I do have access to a physical router if I ever want to do a real life trial) with a R100 radeon graphics card (Mobility Radeon 7500). As for software, I am running Debian Stretch with the Jessie and Wheezy repos pinned to allow for installation, and whatever is current on the LinuxCNC 2.7 apt stream (Wheezy).

Any pointers to get either scenario above to fruition would be most appreciated. Thank you.
Last edit: 9 years 2 months ago by joel.maxuel. Reason: Dup link

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9 years 2 months ago #97103 by joel.maxuel
Okay, so I have made some progress. libgl1-mesa-swx11 has been installed and the boot now survives the ring test. This may be due to me setting the agpmode (4), modeset (1) and pcie_gen2 (0) options for modconf.

I also set:
Code:
Option "MigrationHeuristic" "greedy"
...in the xorg.conf (not sure if it makes for any benefit)

But I still get the same error running LinuxCNC. I am wondering if I am missing some random OpenGL stuff.

More info added below. Thank you.

File Attachment:

File Name: glxinfo.txt
File Size:6.11 KB

File Attachment:

File Name: dmesg.txt
File Size:51.09 KB

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9 years 2 months ago #97186 by andypugh
Can you try one of the low-graphics configs, see how that goes?

Maybe sim/touchy ? or sim/tklinuxcnc

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9 years 2 months ago #97203 by joel.maxuel

andypugh wrote: Can you try one of the low-graphics configs, see how that goes?

Maybe sim/touchy ? or sim/tklinuxcnc


Turns out Touchy and TkLinuxCNC worked.

I attached the Touchy log for reference, and turned on debug for Axis (also attached), if it helps.

Thank you for the help thus far.

File Attachment:

File Name: touchy.txt
File Size:1.84 KB

File Attachment:

File Name: axis.txt
File Size:19.63 KB

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9 years 2 months ago #97208 by andypugh
Well, that pretty much pins it down to being an OpenGL issue. But you had already worked that out.

Have you tried software OpenGL but with the non-vesa graphics driver?

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9 years 2 months ago #97214 by joel.maxuel
Hmmm, I don't think I follow.

I am using the radeon driver with EXA acceleration in my X config (because when I chose vesa as the driver, X would not start - I suppose due to not finding any screens).

I suppose this is not what you had meant though - unless the goal would be to comment out any acceleration lines I have for radeon since software OpenGL is taking that over now.

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