From 2aa0fcc2c72456a20ba958fce7669be922c6db15 Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Thu, 7 Dec 2017 15:49:25 +0100 Subject: [PATCH] drm: More debug info for fb leaks in mode_config_cleanup MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit We're spotting this very rarely in CI, but have no idea. Let's add more debug info about what's going on here. References: https://bugs.freedesktop.org/show_bug.cgi?id=102707 Acked-by: Noralf Trønnes Signed-off-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20171207144925.14191-1-daniel.vetter@ffwll.ch --- drivers/gpu/drm/drm_mode_config.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/drm_mode_config.c b/drivers/gpu/drm/drm_mode_config.c index cda8bfab6d3b..bc5c46306b3d 100644 --- a/drivers/gpu/drm/drm_mode_config.c +++ b/drivers/gpu/drm/drm_mode_config.c @@ -467,6 +467,9 @@ void drm_mode_config_cleanup(struct drm_device *dev) */ WARN_ON(!list_empty(&dev->mode_config.fb_list)); list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { + struct drm_printer p = drm_debug_printer("[leaked fb]"); + drm_printf(&p, "framebuffer[%u]:\n", fb->base.id); + drm_framebuffer_print_info(&p, 1, fb); drm_framebuffer_free(&fb->base.refcount); }