[Bug 94145] [KBL] Process killed when executing gem_ctx_thrash / threads

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94145

--- Comment #4 from Humberto Israel Perez Rodriguez <humberto.i.perez.rodriguez at intel.com> ---
(In reply to Chris Wilson from comment #2)
> It should still die unless they have a machine with more memory...


Hi Chris :

it would be great if you can tell us with are the exact amount of memory that
we need in order to run this test, because looks like that the ram for KBL
(4GB) / APL (8GB) is not enough right ? 

as information APL & KBL support until 16GB but the ram in KBL is imbibed which
mean that we are not able to increase it, only we can do it in BXT-P

meanwhile this test is fail on BXT-P with the following configuration

test : igt at gem_ctx_thrash@threads

test output
===============================
(gem_ctx_thrash:1941) igt-core-DEBUG: Test requirement passed:
!igt_run_in_simulation()
(gem_ctx_thrash:1941) igt-core-DEBUG: Starting subtest: threads
Creating 98304 contexts (assuming of size 65536)
(gem_ctx_thrash:1941) intel-os-DEBUG: Checking 98,304 surfaces of size 65,536
bytes (total 6,492,782,592) against RAM + swap
(gem_ctx_thrash:1941) intel-os-DEBUG: Test requirement passed:
__intel_check_memory(count, size, mode, &required, &total)
(gem_ctx_thrash:1941) igt-core-DEBUG: Test requirement passed:
!igt_run_in_simulation()
(gem_ctx_thrash:1941) ioctl-wrappers-CRITICAL: Test assertion failure function
gem_execbuf, file ioctl_wrappers.c:589:
(gem_ctx_thrash:1941) ioctl-wrappers-CRITICAL: Failed assertion:
__gem_execbuf(fd, execbuf) == 0
(gem_ctx_thrash:1941) ioctl-wrappers-CRITICAL: error: -5 != 0
Stack trace:
(gem_ctx_thrash:1941) ioctl-wrappers-CRITICAL: Test assertion failure function
gem_execbuf, file ioctl_wrappers.c:589:
  #0 [__igt_fail_assert+0x101]
  #1 [gem_execbuf+0x44]
  #2 [thread+0xb1]
  #3 [start_thread+0xca]
  #4 [clone+0x6d]
(gem_ctx_thrash:1941) ioctl-wrappers-CRITICAL: Failed assertion:
__gem_execbuf(fd, execbuf) == 0
(gem_ctx_thrash:1941) ioctl-wrappers-CRITICAL: error: -5 != 0
Stack trace:
  #0 [__igt_fail_assert+0x101]
  #1 [gem_execbuf+0x44]
  #2 [thread+0xb1]
  #3 [start_thread+0xca]
  #4 [clone+0x6d]
  #5 [<unknown>+0x6d]
Subtest threads failed.
  #5 [<unknown>+0x6d]
**** DEBUG ****
(gem_ctx_thrash:1941) INFO: Creating 98304 contexts (assuming of size 65536)
(gem_ctx_thrash:1941) intel-os-DEBUG: Checking 98,304 surfaces of size 65,536
bytes (total 6,492,782,592) against RAM + swap
(gem_ctx_thrash:1941) intel-os-DEBUG: Test requirement passed:
__intel_check_memory(count, size, mode, &required, &total)
(gem_ctx_thrash:1941) igt-core-DEBUG: Test requirement passed:
!igt_run_in_simulation()
(gem_ctx_thrash:1941) ioctl-wrappers-CRITICAL: Test assertion failure function
gem_execbuf, file ioctl_wrappers.c:589:
(gem_ctx_thrash:1941) ioctl-wrappers-CRITICAL: Failed assertion:
__gem_execbuf(fd, execbuf) == 0
(gem_ctx_thrash:1941) ioctl-wrappers-CRITICAL: error: -5 != 0
(gem_ctx_thrash:1941) ioctl-wrappers-CRITICAL: Test assertion failure function
gem_execbuf, file ioctl_wrappers.c:589:
(gem_ctx_thrash:1941) ioctl-wrappers-CRITICAL: Failed assertion:
__gem_execbuf(fd, execbuf) == 0
(gem_ctx_thrash:1941) ioctl-wrappers-CRITICAL: error: -5 != 0
****  END  ****
Subtest threads: FAIL (6.782s)
Subtest threads failed.
No log.
(gem_ctx_thrash:1941) igt-core-DEBUG: Exiting with status code 99


relevant dmesg warnings
============================================================
syslog:warn  : [Thu Jan  2 20:16:39 2098] systemd-journald[274]: /dev/kmsg
buffer overrun, some messages lost.


Gfx stack information
===============================================
 --> Component : drm 
         tag : libdrm-2.4.68-4-g7aab852 
         commit : 7aab852 
 --> Component : mesa 
         tag : mesa-11.1.2 
         commit : 7bcd827 
 --> Component : cairo 
         tag : 1.15.2 
         commit : db8a7f1 
 --> Component : intel-gpu-tools
         tag : intel-gpu-tools-1.14-346-gcce2ff0
         commit : cce2ff0


Software information
===============================================
Kernel version                      :
4.6.0-rc7-drm-intel-nightly-ww20-commit-5528ede+
Linux distribution                  : Ubuntu 15.10
Architecture                        : 64-bit
Bios revision                       : 138.22
KSC revision                        : 1.12
DMC revision                        : 1.07
GUC revision                        : 8.7


Hardware information
===============================================
Platform                            : BXT-P
Motherboard model                   : Broxton P
Motherboard type                    : NOTEBOOK Hand Held
Motherboard manufacturer            : Intel Corp.
CPU family                          : B1
CPU information                     : 06/5c
GPU Card                            : Intel Corporation Device 5a84 (rev 0a)
(prog-if 00 [VGA controller])


kernel
===============================================
commit 2ec823981d62c56d1511bda42b8295e31ece800f
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Sun May 22 18:23:13 2016 +0200

    drm-intel-nightly: 2016y-05m-22d-16h-22m-45s UTC integration manifest

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