Ubuntu
linux package

  1. Bug #1377878
  2. Comment #66

Comment 66 for bug 1377878

Revision history for this message
In , Ingvar-j (ingvar-j) wrote :

(In reply to comment #20)
> > You're getting a GPU hang. Does radeon.agpmode=-1 help on the newer kernel?
>
> Actually, yes, it does. With radeon.agpmode=-1 the display is stable and
> works quite well with GTK and QT apps. X widgets have distorted colors,
> though.
>
> Ingvar

At least, it worked for a few minutes lenger before locking up. When pushed a bit harder (firefox rendering a page while switching windows back and forth), it froze again like this:

[ 1642.075416] radeon 0000:00:10.0: GPU lockup CP stall for more than 10000msec
[ 1642.075450] radeon 0000:00:10.0: GPU lockup (waiting for 0x00000000000028b7 last fence id 0x00000000000028b6)
[ 1642.077303] radeon 0000:00:10.0: Saved 27 dwords of commands on ring 0.
[ 1642.077325] radeon 0000:00:10.0: GPU reset succeeded, trying to resume
[ 1642.086747] [drm] PCI GART of 512M enabled (table at 0x0000000006180000).
[ 1642.086831] radeon 0000:00:10.0: WB disabled
[ 1642.086852] radeon 0000:00:10.0: fence driver on ring 0 use gpu addr 0x0000000078000000 and cpu addr 0xc6177000
[ 1642.086957] [drm] radeon: ring at 0x0000000078001000
[ 1642.240286] [drm:r100_ring_test] *ERROR* radeon: ring test failed (scratch(0x15E8)=0xCAFEDEAD)
[ 1642.240311] [drm:r100_cp_init] *ERROR* radeon: cp isn't working (-22).
[ 1642.240324] radeon 0000:00:10.0: failed initializing CP (-22).