On Sat, Nov 28, 2015 at 02:57:17PM +0000, Greg Stark wrote: > I set set the debugging flag as suggested by the online docs for > reporting GPU hang bugs and I'm seeing the logs fill up with messages. > I didn't think that was surprising but actually poking around it looks > like they don't get lots of messages generally, all the messages are > generated by the mouse pointer moving. IIs it expected that moving the > mouse pointer would generate lots of debugging output? I'm guessing if > that's the only output it's intended that the debugging logs only > generate messages on less common events? Use drm.debug=0xe unless you really want to debug the atomic code (which is where all this spew comes from). > > # cat /proc/cmdline > BOOT_IMAGE=/vmlinuz-4.3.0-trunk-amd64 root=/dev/mapper/pixel-root ro > quiet drm.debug=0x1e log_buf_len=1M > > These debug logs get generated for every movement of the mouse pointer: > > Nov 28 14:51:12 pixel kernel: [ 234.942620] > [drm:drm_atomic_state_init] Allocated atomic state ffff8800a5fc2400 > Nov 28 14:51:12 pixel kernel: [ 234.942626] > [drm:drm_atomic_get_plane_state] Added [PLANE:20] ffff88014892edc0 > state to ffff8800a5fc2400 > Nov 28 14:51:12 pixel kernel: [ 234.942628] > [drm:drm_atomic_get_crtc_state] Added [CRTC:21] ffff8800a6fb9c00 state > to ffff8800a5fc2400 > Nov 28 14:51:12 pixel kernel: [ 234.942630] > [drm:drm_atomic_set_crtc_for_plane] Link plane state ffff88014892edc0 > to [CRTC:21] > Nov 28 14:51:12 pixel kernel: [ 234.942631] > [drm:drm_atomic_set_fb_for_plane] Set [FB:47] for plane state > ffff88014892edc0 > Nov 28 14:51:12 pixel kernel: [ 234.942632] > [drm:drm_atomic_check_only] checking ffff8800a5fc2400 > Nov 28 14:51:12 pixel kernel: [ 234.942638] > [drm:intel_plane_atomic_calc_changes] [CRTC:21] has [PLANE:20] with fb > 47 > Nov 28 14:51:12 pixel kernel: [ 234.942639] > [drm:intel_plane_atomic_calc_changes] [PLANE:20] visible 0 -> 1, off > 0, on 1, ms 0 > Nov 28 14:51:12 pixel kernel: [ 234.942640] [drm:drm_atomic_commit] > commiting ffff8800a5fc2400 > Nov 28 14:51:12 pixel kernel: [ 234.942662] > [drm:drm_atomic_state_default_clear] Clearing atomic state > ffff8800a5fc2400 > Nov 28 14:51:12 pixel kernel: [ 234.942663] > [drm:drm_atomic_state_free] Freeing atomic state ffff8800a5fc2400 > > Nov 28 14:51:13 pixel kernel: [ 235.217222] > [drm:drm_atomic_state_init] Allocated atomic state ffff880148b49200 > Nov 28 14:51:13 pixel kernel: [ 235.217226] > [drm:drm_atomic_get_plane_state] Added [PLANE:20] ffff88009671a280 > state to ffff880148b49200 > Nov 28 14:51:13 pixel kernel: [ 235.217228] > [drm:drm_atomic_get_crtc_state] Added [CRTC:21] ffff880149d5c400 state > to ffff880148b49200 > Nov 28 14:51:13 pixel kernel: [ 235.217229] > [drm:drm_atomic_set_crtc_for_plane] Link plane state ffff88009671a280 > to [CRTC:21] > Nov 28 14:51:13 pixel kernel: [ 235.217231] > [drm:drm_atomic_set_fb_for_plane] Set [FB:47] for plane state > ffff88009671a280 > Nov 28 14:51:13 pixel kernel: [ 235.217232] > [drm:drm_atomic_check_only] checking ffff880148b49200 > Nov 28 14:51:13 pixel kernel: [ 235.217237] > [drm:intel_plane_atomic_calc_changes] [CRTC:21] has [PLANE:20] with fb > 47 > Nov 28 14:51:13 pixel kernel: [ 235.217238] > [drm:intel_plane_atomic_calc_changes] [PLANE:20] visible 1 -> 1, off > 0, on 0, ms 0 > Nov 28 14:51:13 pixel kernel: [ 235.217240] [drm:drm_atomic_commit] > commiting ffff880148b49200 > Nov 28 14:51:13 pixel kernel: [ 235.217253] > [drm:drm_atomic_state_default_clear] Clearing atomic state > ffff880148b49200 > Nov 28 14:51:13 pixel kernel: [ 235.217255] > [drm:drm_atomic_state_free] Freeing atomic state ffff880148b49200 > > Nov 28 14:51:13 pixel kernel: [ 235.250970] > [drm:drm_atomic_state_init] Allocated atomic state ffff880148b55000 > Nov 28 14:51:13 pixel kernel: [ 235.250973] > [drm:drm_atomic_get_plane_state] Added [PLANE:20] ffff8800a6ce9dc0 > state to ffff880148b55000 > Nov 28 14:51:13 pixel kernel: [ 235.250975] > [drm:drm_atomic_get_crtc_state] Added [CRTC:21] ffff8800a6fb9c00 state > to ffff880148b55000 > Nov 28 14:51:13 pixel kernel: [ 235.250976] > [drm:drm_atomic_set_crtc_for_plane] Link plane state ffff8800a6ce9dc0 > to [CRTC:21] > Nov 28 14:51:13 pixel kernel: [ 235.250978] > [drm:drm_atomic_set_fb_for_plane] Set [FB:47] for plane state > ffff8800a6ce9dc0 > Nov 28 14:51:13 pixel kernel: [ 235.250979] > [drm:drm_atomic_check_only] checking ffff880148b55000 > Nov 28 14:51:13 pixel kernel: [ 235.250982] > [drm:intel_plane_atomic_calc_changes] [CRTC:21] has [PLANE:20] with fb > 47 > Nov 28 14:51:13 pixel kernel: [ 235.250984] > [drm:intel_plane_atomic_calc_changes] [PLANE:20] visible 1 -> 1, off > 0, on 0, ms 0 > Nov 28 14:51:13 pixel kernel: [ 235.250985] [drm:drm_atomic_commit] > commiting ffff880148b55000 > Nov 28 14:51:13 pixel kernel: [ 235.250995] > [drm:drm_atomic_state_default_clear] Clearing atomic state > ffff880148b55000 > Nov 28 14:51:13 pixel kernel: [ 235.250997] > [drm:drm_atomic_state_free] Freeing atomic state ffff880148b55000 > > Nov 28 14:51:14 pixel kernel: [ 236.676789] > [drm:drm_atomic_state_init] Allocated atomic state ffff8801494c0600 > Nov 28 14:51:14 pixel kernel: [ 236.676794] > [drm:drm_atomic_get_plane_state] Added [PLANE:20] ffff88009671a280 > state to ffff8801494c0600 > Nov 28 14:51:14 pixel kernel: [ 236.676797] > [drm:drm_atomic_get_crtc_state] Added [CRTC:21] ffff88009de0a400 state > to ffff8801494c0600 > Nov 28 14:51:14 pixel kernel: [ 236.676799] > [drm:drm_atomic_set_crtc_for_plane] Link plane state ffff88009671a280 > to [NOCRTC] > Nov 28 14:51:14 pixel kernel: [ 236.676800] > [drm:drm_atomic_set_fb_for_plane] Set [NOFB] for plane state > ffff88009671a280 > Nov 28 14:51:14 pixel kernel: [ 236.676802] > [drm:drm_atomic_check_only] checking ffff8801494c0600 > Nov 28 14:51:14 pixel kernel: [ 236.676807] > [drm:intel_plane_atomic_calc_changes] [CRTC:21] has [PLANE:20] with fb > -1 > Nov 28 14:51:14 pixel kernel: [ 236.676808] > [drm:intel_plane_atomic_calc_changes] [PLANE:20] visible 1 -> 0, off > 1, on 0, ms 0 > Nov 28 14:51:14 pixel kernel: [ 236.676810] [drm:drm_atomic_commit] > commiting ffff8801494c0600 > Nov 28 14:51:14 pixel kernel: [ 236.676830] > [drm:drm_atomic_state_default_clear] Clearing atomic state > ffff8801494c0600 > Nov 28 14:51:14 pixel kernel: [ 236.676831] > [drm:drm_atomic_state_free] Freeing atomic state ffff8801494c0600 > > -- > greg > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Ville Syrjälä Intel OTC _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
