[Bug 96606] [APL] [BAT] gem_exec_nop / basic sporadically fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96606

--- Comment #27 from Elio <elio.martinez.monroy at intel.com> ---
After installing guc and dmc, it seems that it is not loading guc no matter the
grub parameters.

(01:45 PM) [gfx at gfx-Kabylake-Client-platform] [tests]$ : sudo ./gem_exec_nop
--r basic-parallel
IGT-Version: 1.16-g48a9e1e (x86_64) (Linux: 4.8.0guccarlos+ x86_64)
Using Execlists submission
(gem_exec_nop:1110) ioctl-wrappers-CRITICAL: Test assertion failure function
gem_execbuf, file ioctl_wrappers.c:589:
(gem_exec_nop:1110) ioctl-wrappers-CRITICAL: Failed assertion:
__gem_execbuf(fd, execbuf) == 0
(gem_exec_nop:1110) ioctl-wrappers-CRITICAL: error: -5 != 0
Stack trace:
  #0 [__igt_fail_assert+0x101]
  #1 [gem_execbuf+0x44]
  #2 [nop_on_ring+0x8f]
  #3 [parallel+0xb7]
  #4 [__real_main299+0x235]
  #5 [main+0x23]
  #6 [__libc_start_main+0xf0]
  #7 [_start+0x29]
  #8 [<unknown>+0x29]
Subtest basic-parallel failed.
**** DEBUG ****
(gem_exec_nop:1110) ioctl-wrappers-CRITICAL: Test assertion failure function
gem_execbuf, file ioctl_wrappers.c:589:
(gem_exec_nop:1110) ioctl-wrappers-CRITICAL: Failed assertion:
__gem_execbuf(fd, execbuf) == 0
(gem_exec_nop:1110) ioctl-wrappers-CRITICAL: error: -5 != 0
****  END  ****
Subtest basic-parallel: FAIL (0.002s)
(01:45 PM) [gfx at gfx-Kabylake-Client-platform] [tests]$ : sudo ./gem_exec_nop
--r basic-series
IGT-Version: 1.16-g48a9e1e (x86_64) (Linux: 4.8.0guccarlos+ x86_64)
Using Execlists submission
(gem_exec_nop:1113) ioctl-wrappers-CRITICAL: Test assertion failure function
gem_execbuf, file ioctl_wrappers.c:589:
(gem_exec_nop:1113) ioctl-wrappers-CRITICAL: Failed assertion:
__gem_execbuf(fd, execbuf) == 0
(gem_exec_nop:1113) ioctl-wrappers-CRITICAL: error: -5 != 0
Stack trace:
  #0 [__igt_fail_assert+0x101]
  #1 [gem_execbuf+0x44]
  #2 [nop_on_ring+0x8f]
  #3 [series+0xb4]
  #4 [__real_main299+0x3c3]
  #5 [main+0x23]
  #6 [__libc_start_main+0xf0]
  #7 [_start+0x29]
  #8 [<unknown>+0x29]
Subtest basic-series failed.
**** DEBUG ****
(gem_exec_nop:1113) ioctl-wrappers-CRITICAL: Test assertion failure function
gem_execbuf, file ioctl_wrappers.c:589:
(gem_exec_nop:1113) ioctl-wrappers-CRITICAL: Failed assertion:
__gem_execbuf(fd, execbuf) == 0
(gem_exec_nop:1113) ioctl-wrappers-CRITICAL: error: -5 != 0
****  END  ****
Subtest basic-series: FAIL (0.002s)


*********************************************************************

Dmesg showing guc is not being loaded

Please consider that initrd.img and vmlinuz are copied just after installing
the firmwares.


[    0.000000] Command line: vmlinuz root=/dev/sda2 initrd=initrd.img idle=halt
log_buf_len=4M i915.enable_rc6=1 i915.preliminary_hw_support=1 drm.debug=0xe
i915.enable_guc_enable=2 i915.enable_guc_submission=2 resume=/dev/sda3
[    0.000000] Kernel command line: vmlinuz root=/dev/sda2 initrd=initrd.img
idle=halt log_buf_len=4M i915.enable_rc6=1 i915.preliminary_hw_support=1
drm.debug=0xe i915.enable_guc_enable=2 i915.enable_guc_submission=2
resume=/dev/sda3
[    3.489294] usb usb1: Manufacturer: Linux 4.8.0guccarlos+ xhci-hcd
[    3.511896] usb usb2: Manufacturer: Linux 4.8.0guccarlos+ xhci-hcd
[    4.264850] i915: unknown parameter 'enable_guc_enable' ignored
[    4.270563] Setting dangerous option enable_guc_submission - tainting kernel
[    4.273606] [drm:intel_device_info_dump [i915]] i915 device info: has_guc:
yes
[    4.324637] [drm:intel_guc_setup [i915]] GuC fw status: path
i915/bxt_guc_ver8_7.bin, fetch NONE, load NONE
[    4.324684] [drm:intel_guc_setup [i915]] *ERROR* GuC init failed: -5


I will try with Rodrigo's patches and share my findings so far.

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