[Bug 87572] [SNB+]igt/gem_ctx_thrash/processes fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=87572

lu hua <huax.lu at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|FIXED                       |---

--- Comment #3 from lu hua <huax.lu at intel.com> ---
(In reply to Chris Wilson from comment #2)
> commit 25cf0551c7d210c8c085c109891dc97a2cc61e27
> Author: Chris Wilson <chris at chris-wilson.co.uk>
> Date:   Tue Jan 6 09:59:47 2015 +0000
> 
>     igt/gem_ctx_thrash: Tweak resource limits
>     
>     On some systems (ok, most systems!) we may need to enlarge the allowed
>     number of open files in order to create enough fd to fill the aperture.
>     
>     Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=87572
>     Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

This patch causes the case takes more than 10 minutes.

output:
IGT-Version: 1.9-g25cf055 (x86_64) (Linux:
3.19.0-rc3_drm-intel-nightly_296cb8_20150108+ x86_64)
Creating 49152 contexts (assuming of size 65536)
Creating 98304 surfaces (of size 45056)
Subtest processes: SUCCESS (808.140s)

real    13m28.163s
user    0m13.052s
sys     60m36.736s

dmesg:
[   52.063151] [drm:i915_gem_open]
[   52.063154] [drm:i915_gem_open]
[   52.063158] [drm:i915_gem_open]
[   52.063162] [drm:i915_gem_open]
[   52.063166] [drm:i915_gem_open]
[   52.063174] [drm:i915_gem_open]
[   52.063180] [drm:i915_gem_open]
[   52.063184] [drm:i915_gem_open]
[   52.063189] [drm:i915_gem_open]
[   52.063340] systemd-journald[2637]: /dev/kmsg buffer overrun, some messages
lost.
[   52.068335] gem_ctx_thrash (4193): drop_caches: 3
[  860.692952] gem_ctx_thrash: exiting, ret=0
[  860.693458] [drm:intel_crtc_set_config] [CRTC:19] [FB:58] #connectors=1 (x
y) (0 0)
[  860.693463] [drm:intel_set_config_compute_mode_changes] computed changes for
[CRTC:19], mode_changed=0, fb_changed=0
[  860.693465] [drm:intel_modeset_stage_output_state] [CONNECTOR:29:VGA-1] to
[CRTC:19]
[  860.693468] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset:
1, prepare: 1, disable: 0
[  860.693471] [drm:connected_sink_compute_bpp] [CONNECTOR:29:VGA-1] checking
for sink bpp constrains
[  860.693474] [drm:ironlake_check_fdi_lanes] checking fdi config on pipe A,
lanes 2
[  860.693476] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 24,
dithering: 0
[  860.693478] [drm:intel_dump_pipe_config] [CRTC:19][modeset] config for pipe
A
[  860.693479] [drm:intel_dump_pipe_config] cpu_transcoder: A
[  860.693481] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0
[  860.693483] [drm:intel_dump_pipe_config] fdi/pch: 1, lanes: 2, gmch_m:
6815744, gmch_n: 8388608, link_m: 283989, link_n: 524288, tu: 64
[  860.693485] [drm:intel_dump_pipe_config] dp: 0, gmch_m: 0, gmch_n: 0,
link_m: 0, link_n: 0, tu: 0
[  860.693487] [drm:intel_dump_pipe_config] dp: 0, gmch_m2: 0, gmch_n2: 0,
link_m2: 0, link_n2: 0, tu2: 0
[  860.693488] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0
[  860.693489] [drm:intel_dump_pipe_config] requested mode:
[  860.693493] [drm:drm_mode_debug_printmodeline] Modeline 0:"1680x1050" 60
146250 1680 1784 1960 2240 1050 1053 1059 1089 0x48 0x6
[  860.693494] [drm:intel_dump_pipe_config] adjusted mode:
[  860.693496] [drm:drm_mode_debug_printmodeline] Modeline 0:"1680x1050" 60
146250 1680 1784 1960 2240 1050 1053 1059 1089 0x48 0x6
[  860.693499] [drm:intel_dump_crtc_timings] crtc timings: 146250 1680 1784
1960 2240 1050 1053 1059 1089, type: 0x48 flags: 0x6
[  860.693500] [drm:intel_dump_pipe_config] port clock: 270000
[  860.693502] [drm:intel_dump_pipe_config] pipe src size: 1680x1050
[  860.693503] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000,
ratios: 0x00000000, lvds border: 0x00000000
[  860.693505] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size:
0x00000000, disabled
[  860.693507] [drm:intel_dump_pipe_config] ips: 0
[  860.693508] [drm:intel_dump_pipe_config] double wide: 0
[  860.693510] [drm:intel_crtc_set_config] [CRTC:23] [NOFB]
[  860.693512] [drm:intel_set_config_compute_mode_changes] computed changes for
[CRTC:23], mode_changed=0, fb_changed=0
[  860.693514] [drm:intel_modeset_stage_output_state] [CONNECTOR:29:VGA-1] to
[CRTC:19]
[  860.693516] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset:
0, prepare: 0, disable: 0
[  860.693517] [drm:intel_crtc_set_config] [CRTC:27] [NOFB]
[  860.693519] [drm:intel_set_config_compute_mode_changes] computed changes for
[CRTC:27], mode_changed=0, fb_changed=0
[  860.693521] [drm:intel_modeset_stage_output_state] [CONNECTOR:29:VGA-1] to
[CRTC:19]
[  860.693523] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset:
0, prepare: 0, disable: 0

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