<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_RESOLVED bz_closed" title="RESOLVED FIXED - [IVB]igt/prime_nv_api cause WARNING: CPU: 6 PID: 4095 at drivers/gpu/drm/i915/i915_gem.c:3977 i915_gem_free_object+0xf3/0x19d [i915]()" href="https://bugs.freedesktop.org/show_bug.cgi?id=67391#c3">Comment # 3</a> on <a class="bz_bug_link bz_status_RESOLVED bz_closed" title="RESOLVED FIXED - [IVB]igt/prime_nv_api cause WARNING: CPU: 6 PID: 4095 at drivers/gpu/drm/i915/i915_gem.c:3977 i915_gem_free_object+0xf3/0x19d [i915]()" href="https://bugs.freedesktop.org/show_bug.cgi?id=67391">bug 67391</a> from <a class="email" href="mailto:guang.a.yang@intel.com" title="yangguang <guang.a.yang@intel.com>"> yangguang</a> <pre>(In reply to <a href="show_bug.cgi?id=67391#c2">comment #2</a>) > Fix merged to dinq: > > commit 48ca155d15d439d5d035a3daf1c56ed1a30afb17 > Author: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>> > Date: Thu Aug 8 09:10:37 2013 +0200 > > drm/i915: unpin backing storage in dmabuf_unmap > > This fixes a WARN in i915_gem_free_object when the > obj->pages_pin_count isn't 0. > > v2: Add locking to unmap, noticed by Chris Wilson. Note that even > though we call unmap with our own dev->struct_mutex held that won't > result in an immediate deadlock since we never go through the dma_buf > interfaces for our own, reimported buffers. But it's still easy to > blow up and anger lockdep, but that's already the case with our ->map > implementation. Fixing this for real will involve per dma-buf ww mutex > locking by the callers. And lots of fun. So go with the duct-tape > approach for now. > > Cc: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> > Reported-by: Maarten Lankhorst <<a href="mailto:maarten.lankhorst@canonical.com">maarten.lankhorst@canonical.com</a>> > Cc: Maarten Lankhorst <<a href="mailto:maarten.lankhorst@canonical.com">maarten.lankhorst@canonical.com</a>> > Tested-by: Armin K. <<a href="mailto:krejzi@email.com">krejzi@email.com</a>> (v1) > Acked-by: Maarten Lankhorst <<a href="mailto:maarten.lankhorst@canonical.com">maarten.lankhorst@canonical.com</a>> > Signed-off-by: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>> The Call Trace issue disappears, but after running it shows: Test requirement not met in function main, file prime_nv_api.c:522: Test requirement: (intel_fd != -1) Test requirement not met in function main, file prime_nv_api.c:523: Test requirement: (intel_fd2 != -1) DRM_IOCTL_I915_GEM_APERTURE failed: Bad file descriptor Assuming 131072kB available aperture size. May lead to reduced performance or incorrect rendering. get chip id failed: -1 [9] param: 4, val: 0 Test assertion failure function main, file prime_nv_api.c:527: Failed assertion: bufmgr prime_nv_api: drmtest.c:816: igt_fail: Assertion `!test_with_subtests' failed. So do I need to file a new bug?</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>