On 03/04/2015 01:16 PM, Nils Reuße wrote: > On 04.03.2015 02:39, Jason Adams wrote: >> Somewhere along the road of moving from 5.5 to 5.6 (i386) my performance in >> X has really taken a hit >> when dragging windows around. The window trails the pointer by several >> inches. X performance used >> to be surprisingly good on 5.5. >> >> I note the following lines in Xorg.0.log: >> >>> [ 56.517] (--) RADEON(0): Chipset: "ATI Radeon Mobility 7000 IGP 4437" >>> (ChipID = 0x4437) >>> [ 56.519] (II) RADEON(0): GPU accel disabled or not working, using >>> shadowfb for KMS >> >> fw_update reports no updates, (it does list a couple radeon entries as it >> checks for firmware). >> >> Any clues as to what may be the issue here? Is this fixable? >> >> > > Hi Jason, > > i can confirm this issue, though i have no idea how to fix it. I also use an > ATI card (HD 4250), > but mine is supported and used with KMS. I've noticed this quite a while ago, > but it doesn't bug > me that much using a tiling wm. > > Regards
Are you seeing the GPU disabled line in your Xorg.0.log? My card is also supported, but I get that GPU not working line, and until that gets solved I am stuck using shadowfb, (and ugly friends). And I believe that is the reason for the slowness. -- Those who do not understand Unix are condemned to reinvent it, poorly.
