Since I've updated from 12.10 to 13.04, desktop environment freezes on each startup. My GPU is ATI Radeon HD 4670 (RV730), driver fglrx-updates is installed, Linux 3.8.0-19-generic, 64-bit system. Should I use another driver to fix the problem? Had anybody have the same problem?

I know all this because I also have a HD 4670 card and I've tried to install accelerated drivers for Ubuntu 12.10, run into problems and tried to get to the bottom of the issues. I now run Ubuntu 13.04 with the open source drivers for HD 4670.


Ati Radeon Hd 4670 Rv730 Driver Download


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If up to now it's not very clear: you should remove any fglrx driver from your system as it doesn't really work at all (for all the reasons previously explained) and can only lead (in the worst case) to system freeze. There is no fglrx driver (Ubuntu provided or AMD provided) that supports HD 4670 on Ubuntu 13.04 (or 12.10 as well).

ATI/AMD HD4560 (r700 family) should be working out of the box with in-kernel GPU driver (radeon) and OpenGL mesa driver (r600).

Why do you think that your card is not supported?

Run this in terminal sudo inxi -GMSsaz, paste here the output, select it and format by pressing Ctrl+e.

Hello, I am looking for some help to diagnose (and hopefully fix) issues with both the free and non-free AMD drivers for the Advanced Micro Devices, Inc. [AMD/ATI] RV730/M96-XT [Mobility Radeon HD 4670], in a late 2009 iMac; tested on KDE Neon and Debian stretch.

Free driver:

The biggest issue is no backlight control so 'xset dpms force off' clears the screen buffer but the backlight remains on. The iMac also won't resume after sleep, when attempting to resume the display remains blank (both backlight and actual display (holding torch to it)) but I am able to ssh into the machine. xbacklight returns 'no outputs have backlight property' and there are no devices in /sys/class/backlight/

Non-free driver:

Now my initial response to the issues with the free driver were to install firmware-linux-nonfree (inclues firmware-amd-graphics), however after restarting X11 the output is discoloured and split into 4 of the same screen (as seen below). Imagine is of the plasma desktop.

IMAG0014.jpg2560x1440 640 KB

I have Arch on an old iMac with a Mobility Radeon HD4670. If I try to boot without the nomodeset flag I just get a black screen, however the radeon driver depends on KMS so I'm left without proper video support. I read other topics that seem related, but most end in an issue particular to their own display/X configurations. Most other threads ask for a log file from booting without nomodeset, but I couldn't find one with the particular name they ask (Xorg.1.log). Instead I found two, posted below. Any help would be appreciated.

The problem is not Xorg, I enabled some old framebuffer drivers like 'radeonfb' and that one conflicts

with the 'radeon' driver dealing with DRI. Just blacklist the radeonfb module as mentioned in the forum

post above.

The radeon driver supports the activation of a heads-up display (HUD) which can draw transparent graphs and text on top of applications that are rendering, such as games. These can show values such as the current frame rate or the CPU load for each CPU core or an average of all of them. The HUD is controlled by the GALLIUM_HUD environment variable, and can be passed the following list of parameters among others:

Independent dual-headed setups can be configured the usual way. However you might want to know that the radeon driver has a "ZaphodHeads" option which allows you to bind a specific device section to an output of your choice:

The radeon driver will probably enable vsync by default, which is perfectly fine except for benchmarking. To turn it off, try the vblank_mode=0 environment variable or create ~/.drirc (edit it if it already exists) and add the following:

If you use 390X (or perhaps similar models) and the 4k output from DP, you may experiencing occasional horizontal artifacts / flickering (i.e. every half an hour or so, a horizontal strip of pixels with a height of ~100 pixels across the whole screen's width shaking up and down for a few seconds). This might be a bug of the radeon driver. Changing to AMDGPU seems to fix it.

Pulling out the box containing the Ultimate Edition 4670 you can see that it is not packed in foam, as is the case with just about all of the Sapphire cards I have used. Instead, the Ultimate edition comes in a plastic shell with cardboard wrapped around it for support. Soon enough the reason for this becomes evident. The bundle of accessories for this card is limited to the Ruby Rom CD, the software from Cyberlink, the driver disk and the instruction manual. Pretty slim from what I am used to seeing from Sapphire, but again the reasons become evident once the card is pulled from the shipping box.

I get this on a Ubuntu 12.04 system and Nvidia graphics card (GF110 [GeForce GTX 560 Ti] (rev a1) using the 64-bit 295.41 dev drivers). But it works on my 12.04 laptop with an AMD card (ATI RV730 XT [Mobility Radeon HD 4670 ). Update - no it crashes the same way after a few minutes. ff782bc1db

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