On 27 August 2014 04:24, Michel Dänzer <michel@xxxxxxxxxxx> wrote: > On 26.08.2014 16:07, Meelis Roos wrote: >>>>> >>>>> r100 init hangs in a different place. Original dmesg first, then my >>>>> instrumented dmesg (seems to get further): >>>> >>>> >>>> The instrumented dmesg had a couple of my local test changes and was >>>> bad now that I had ROM. Reverted them exept my readb changes (instead >>>> of direct dereferences of iomapped space) and redid >>>> logging to be more precise. >>>> >>>>> [drm] radeon kernel modesetting enabled. >>>>> PCI: Enabling device: (0000:02:02.0), cmd 82 >>>>> [drm] initializing kernel modesetting (RV100 0x1002:0x5159 >>>>> 0x1002:0x0908). >>>>> [drm] register mmio base: 0x10000000 >>>>> [drm] register mmio size: 32768 >>>>> [drm:radeon_device_init] *ERROR* Unable to find PCI I/O BAR >>>> >>>> >>>> This was still the unchanged kernel hanging. >>>> >>>> Below is a new debug log to pinpoint the hang. It seems to hang in >>>> r100_gfx_get_rptr but not on first try. >>> >>> >>> It's most likely hanging in readl() in r100_mm_rreg() then. >> >> >> Yes, it is doing direct readl() there. But what does this hang mean? > > > I'm not sure if the read can hang because of the GPU, or if indicates a more > fundamental PCI issue. Dave? > > > >> By the way, I get these warnings from r100. Seem to be unrelated but >> still worth reporting IMHO: > > > Looks unrelated indeed. > > > > -- > Earthling Michel Dänzer | http://www.amd.com > Libre software enthusiast | Mesa and X developer Hi, Just a short question regarding the test setup. Is the video card a Sun XVR-100 or is it a vanilla ATI RV100 ? (If it is a vanilla RV100 there might be some kind of initialization issue as the video ROM is not executed during boot?) Regards, Kjetil Oftedal _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
