On Don, 2011-08-11 at 17:08 -0400, Vipin wrote: > > *I think the first message got discarded, posting a second one* It didn't, maybe it was delayed via the moderation queue. > Empty /proc/dri/0 bufs, queues files > Is this an expected behavior ? Yes, these aren't relevant with KMS. > /sys/kernel/debug/dri/ > > There are two directories 0 & 64, what does the 64 entry signify ? It corresponds to the control device node /dev/dri/controlD64 . There are legacy/control/render nodes, but I don't remember the details about the distinction. > The contents of /sys/kernel/debug/dri/0 contains 15 radeon_ib_00xx > Does this mean, the card has 15 indirect buffers ? The card imposes no restrictions on the number of indirect buffers (IBs) that can be allocated. The radeon driver pre-allocates 16 IBs for dispatching commands to the GPU. > Also, does this interface shows me the ringbuffer data like i915. Yes. > The kernel log shows entries like these (massive amounts) > Aug 11 13:19:01 gilubuntu1 kernel: [ 4251.705377] [drm:drm_ioctl], > pid=1544, cmd=0xc0086464, nr=0x64, dev 0xe200, auth=1 > Aug 11 13:19:01 gilubuntu1 kernel: [ 4251.705394] [drm:r600_irq_set], > r600_irq_set: sw int > > Shouldn't it have other debug entries other than these two ? It should, they might be drowned by these two. Or maybe you need to enable more debugging messages e.g. with drm.debug=0x3 or =0x7. -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Debian, X and DRI developer _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel