<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - igt/gem_close_race fails" href="https://bugs.freedesktop.org/show_bug.cgi?id=71029#c2">Comment # 2</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - igt/gem_close_race fails" href="https://bugs.freedesktop.org/show_bug.cgi?id=71029">bug 71029</a> from <a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> lu hua</a> <pre>Test on latest -nightly kernel. It works well on sandybridge, ivybridge and haswell. It causes call trace on ironlake, and it doesn't exit test. output: Subtest process-exit: SUCCESS Call Trace: [ 962.964724] [<ffffffffa0077091>] ? i915_gem_retire_requests_ring+0x3a/0x8e [i915] [ 962.964777] [<ffffffffa0077c96>] ? i915_gem_busy_ioctl+0x63/0xbb [i915] [ 962.964825] [<ffffffffa0009f94>] ? drm_ioctl+0x26c/0x38d [drm] [ 962.964868] [<ffffffffa0077c33>] ? i915_gem_set_seqno+0x4a/0x4a [i915] [ 962.964913] [<ffffffff8104be83>] ? hrtimer_try_to_cancel+0x67/0x70 [ 962.964954] [<ffffffff810e84ae>] ? vfs_ioctl+0x1e/0x31 [ 962.964988] [<ffffffff810e8c84>] ? do_vfs_ioctl+0x3ad/0x3ef [ 962.965026] [<ffffffff81074d75>] ? SyS_futex+0x12e/0x161 [ 962.965060] [<ffffffff810e8d14>] ? SyS_ioctl+0x4e/0x7e [ 962.965095] [<ffffffff8170ebe2>] ? system_call_fastpath+0x16/0x1b [ 962.965133] Code: 8b 6b 40 48 89 7b 30 4c 89 43 38 48 85 ed 74 40 48 8d 7d 08 e8 44 3c 69 e1 48 8b 53 48 48 8b 43 50 48 b9 00 02 20 00 00 00 ad de <48> 89 42 08 48 89 10 48 ba 00 01 10 00 00 00 ad de 48 89 53 48 [ 962.965413] RIP [<ffffffffa0075cff>] i915_gem_free_request+0x55/0x9e [i915] [ 962.965462] RSP <ffff88009e2b5d48> Also test the <a href="show_bug.cgi?id=71029#c1">comment 1</a> patch, It has same result as the latest kernel.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>