<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - [PNV/BDW Bisected]igt/kms_flip/bo-too-big causes "WARNING: CPU: 0 PID: 23592 at drivers/gpu/drm/drm_irq.c:1089 drm_wait_one_vblank+0x140/0x16b [drm]()"" href="https://bugs.freedesktop.org/show_bug.cgi?id=84162#c7">Comment # 7</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - [PNV/BDW Bisected]igt/kms_flip/bo-too-big causes "WARNING: CPU: 0 PID: 23592 at drivers/gpu/drm/drm_irq.c:1089 drm_wait_one_vblank+0x140/0x16b [drm]()"" href="https://bugs.freedesktop.org/show_bug.cgi?id=84162">bug 84162</a> from <a class="email" href="mailto:jinxianx.guo@intel.com" title="Guo Jinxian <jinxianx.guo@intel.com>"> Guo Jinxian</a> <pre>Created <a href="attachment.cgi?id=107531" name="attach_107531" title="dmesg">attachment 107531</a> <a href="attachment.cgi?id=107531&action=edit" title="dmesg">[details]</a> dmesg (In reply to Daniel Vetter from <a href="show_bug.cgi?id=84162#c6">comment #6</a>) > I have a hard time reproducing this, and from code inspection it should > work. So there seems to be a bug still in drm_crtc_vblank_on. Please test > with this debug patch an attach drm.debug=0xe dmesg with a backtrace: > > <a href="http://patchwork.freedesktop.org/patch/34421/">http://patchwork.freedesktop.org/patch/34421/</a> The failure still able to reproduce with this patch. root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./kms_flip --run-subtest bo-too-big IGT-Version: 1.8-g6a8d33c (x86_64) (Linux: 3.17.0_kcloud_dda93f_20141008+ x86_64) Using monotonic timestamps Beginning bo-too-big on crtc 8, connector 19 1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780 Beginning bo-too-big on crtc 12, connector 19 1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780 Beginning bo-too-big on crtc 16, connector 19 1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780 Subtest bo-too-big: SUCCESS (2.629s) root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# dmesg -r|egrep "<[1-4]>"|grep drm <4>[ 306.181902] WARNING: CPU: 0 PID: 4614 at drivers/gpu/drm/drm_irq.c:1092 drm_wait_one_vblank+0x148/0x173 [drm]() <4>[ 306.181904] Modules linked in: iTCO_wdt iTCO_vendor_support ppdev dm_mod pcspkr i2c_i801 snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm lpc_ich mfd_core snd_timer snd soundcore battery parport_pc parport ac acpi_cpufreq i915 button video drm_kms_helper drm <4>[ 306.181946] [<ffffffffa0005e5c>] ? drm_wait_one_vblank+0x148/0x173 [drm] <4>[ 306.181956] [<ffffffffa0005e5c>] ? drm_wait_one_vblank+0x148/0x173 [drm] <4>[ 306.182021] [<ffffffffa000bd78>] ? drm_mode_set_config_internal+0x48/0xbd [drm] <4>[ 306.182029] [<ffffffffa000f498>] ? drm_mode_setcrtc+0x388/0x47e [drm] <4>[ 306.182036] [<ffffffffa0004741>] ? drm_ioctl+0x344/0x3b3 [drm] <4>[ 306.182042] [<ffffffffa000f110>] ? drm_mode_setplane+0x1cd/0x1cd [drm] <4>[ 307.312482] WARNING: CPU: 0 PID: 4614 at drivers/gpu/drm/drm_irq.c:1092 drm_wait_one_vblank+0x148/0x173 [drm]() <4>[ 307.312485] Modules linked in: iTCO_wdt iTCO_vendor_support ppdev dm_mod pcspkr i2c_i801 snd_hda_codec_hdmi snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm lpc_ich mfd_core snd_timer snd soundcore battery parport_pc parport ac acpi_cpufreq i915 button video drm_kms_helper drm <4>[ 307.312528] [<ffffffffa0005e5c>] ? drm_wait_one_vblank+0x148/0x173 [drm] <4>[ 307.312537] [<ffffffffa0005e5c>] ? drm_wait_one_vblank+0x148/0x173 [drm] <4>[ 307.312604] [<ffffffffa000bd78>] ? drm_mode_set_config_internal+0x48/0xbd [drm] <4>[ 307.312612] [<ffffffffa000f498>] ? drm_mode_setcrtc+0x388/0x47e [drm] <4>[ 307.312619] [<ffffffffa0004741>] ? drm_ioctl+0x344/0x3b3 [drm] <4>[ 307.312626] [<ffffffffa000f110>] ? drm_mode_setplane+0x1cd/0x1cd [drm]</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> </ul> </body> </html>