when playing minecraft with the opensource radeon (r600g) driver on a HD5850, I get this error in the console once in a while:
Client> radeon: The kernel rejected CS, see dmesg for more information.with this output in dmesg:
[drm:radeon_cs_ioctl] *ERROR* Failed to parse relocation -12!the screen is heavily distorted for a moment, except for a few objects which still display fine.
The other objects render over each other (as if you have a crashed program and move a different window over it and it keeps parts of the content from the other window)
I'm not exactly sure if this is a minecraft related bug, but as I only see this weird behaviour with minecraft and no other graphical application, I'm posting it here.
(The attached screenshot is from a modded minecraft 1.5.2 version with liteloader and weCUI; I wasn't fast enough to capture one when I tested it with vanilla 1.5.2 and 13w21a, but I can assure you that it happens there too)
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this is NOT a technical suppot issue.
anyways, i made a thread in the support forum you mentioned and as expected nobody could help me. could you please reopen this and let the devs decide themselves? i may repeat myself, but minecraft is the only application where i get this glitch.
Come on. How should Minecraft throw kernel messages ?
Solved by using the AMD driver:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/954058
Switching from the radeon open-source drivers to AMD proprietary ones solved the problem for me.
This is a technical support issue; this site is for bug reports only. For technical support please use the Mojang Support Center.