<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [CI][HSW] [APL/GLK/SKL/KBL/HSW/BDW/BSW/BYT] pm_rpm@debugfs-read" href="https://bugs.freedesktop.org/show_bug.cgi?id=100717#c14">Comment # 14</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [CI][HSW] [APL/GLK/SKL/KBL/HSW/BDW/BSW/BYT] pm_rpm@debugfs-read" href="https://bugs.freedesktop.org/show_bug.cgi?id=100717">bug 100717</a> from <a class="email" href="mailto:jari.tahvanainen@intel.com" title="Jari Tahvanainen <jari.tahvanainen@intel.com>"> Jari Tahvanainen</a> <pre>I did some bisecting related to this and found out that change from pass to fail was actually caused by igt commit ced87bd9. commit ced87bd913bfbfb8ecbe6352d87d133e5e4c81ff Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> AuthorDate: Sat Apr 8 13:15:18 2017 +0100 Commit: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> CommitDate: Sat Apr 8 13:47:53 2017 +0100 igt/pm_rpm: Use directory fd to track and read entire directories Rather than compute the temporary full path name, remember it via the dir fd we already have. Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> Here is the actual outputs for this particular test on the latest kernel drm-tip: 2017y-08m-21d-08h-13m-34s UTC integration manifest dev-skl-i5-6600k:/opt/source/intel-gpu-tools/tests$ sudo ./pm_rpm --r debugfs-read IGT-Version: 1.18-gced87bd9 (x86_64) (Linux: 4.13.0-rc5-ezbench_dbfb2f62576e+ x86_64) Runtime PM support: 1 PC8 residency support: 0 (pm_rpm:1263) CRITICAL: Test assertion failure function read_full_file, file pm_rpm.c:838: (pm_rpm:1263) CRITICAL: Failed assertion: wait_for_suspended() (pm_rpm:1263) CRITICAL: Last errno: 19, No such device (pm_rpm:1263) CRITICAL: File: i915_forcewake_user Stack trace: #0 [__igt_fail_assert+0x101] #1 [read_files_from_dir+0x275] #2 [main+0x1a86] #3 [__libc_start_main+0xf1] #4 [_start+0x2a] #5 [<unknown>+0x2a] Subtest debugfs-read failed. **** DEBUG **** (pm_rpm:1263) CRITICAL: Test assertion failure function read_full_file, file pm_rpm.c:838: (pm_rpm:1263) CRITICAL: Failed assertion: wait_for_suspended() (pm_rpm:1263) CRITICAL: Last errno: 19, No such device (pm_rpm:1263) CRITICAL: File: i915_forcewake_user **** END **** Subtest debugfs-read: FAIL (12,578s) dev-skl-i5-6600k:/opt/source/intel-gpu-tools/tests$ sudo ./pm_rpm --r debugfs-read IGT-Version: 1.18-gc3268d9a (x86_64) (Linux: 4.13.0-rc5-ezbench_dbfb2f62576e+ x86_64) Runtime PM support: 1 PC8 residency support: 0 Subtest debugfs-read: SUCCESS (2,729s)</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are on the CC list for the bug.</li> <li>You are the assignee for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>