On 17.06.2015 14:49, Pavel Machek wrote: > On Wed 2015-06-17 14:43:47, Pavel Machek wrote: >> Hi! >> >> Video is broken on thinkpad T40p after resume from suspend. (In X >> only, text console still works.) >> >> Maybe this is related? >> >> [ 5430.193071] radeon 0000:01:00.0: putting AGP V2 device into 4x mode >> [ 5430.193107] radeon 0000:01:00.0: GTT: 256M 0xD0000000 - 0xDFFFFFFF >> [ 5430.214670] radeon 0000:01:00.0: WB disabled >> [ 5430.214675] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr >> 0x00000000d0000000 and cpu addr 0xf841a000 >> [ 5430.214721] [drm] radeon: ring at 0x00000000D0001000 >> [ 5430.370867] [drm:r100_ring_test] *ERROR* radeon: ring test failed >> (scratch(0x15E8)=0xCAFEDEAD) >> [ 5430.370869] [drm:r100_cp_init] *ERROR* radeon: cp isn't working (-22). >> [ 5430.370872] radeon 0000:01:00.0: failed initializing CP (-22). >> >> Hibernation works well here, including X. (Which has small glitch with >> mouse cursor being corrupted until it is changed by application). >> > 3.16.0-4-686-pae Debian 3.16.7-cktt11-1 kernel seems to have same > problem, with same scratch(0x15E8)=0xCAFEDEAD message... so this is > not "new" problem... > > Pavel Looks like CP init doesn't work. Well is there any kernel where that did worked?
If yes it might be a good idea to bisect to narrow down the problem. Regards, Christian.
