<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED - [SNB regression]igt/drv_module_reload causes "WARNING: CPU: 0 PID: 4163 at drivers/gpu/drm/i915/i915_irq.c:154 ironlake_disable_vblank+0x40/0x52 [i915]()"" href="https://bugs.freedesktop.org/show_bug.cgi?id=86685#c4">Comment # 4</a> on <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED - [SNB regression]igt/drv_module_reload causes "WARNING: CPU: 0 PID: 4163 at drivers/gpu/drm/i915/i915_irq.c:154 ironlake_disable_vblank+0x40/0x52 [i915]()"" href="https://bugs.freedesktop.org/show_bug.cgi?id=86685">bug 86685</a> from <a class="email" href="mailto:jinxianx.guo@intel.com" title="Guo Jinxian <jinxianx.guo@intel.com>"> Guo Jinxian</a> <pre>Another dmesg warning occurs on IVB, I am not sure if is the failure relate to this bug. [root@x-ivb6 tests]# ./drv_module_reload unbinding /sys/class/vtconsole/vtcon0/: (M) frame buffer device module successfully unloaded module successfully loaded again [root@x-ivb6 tests]# dmesg -r|egrep "<[1-4]>"|grep drm <4>[ 155.833797] 3.18.0-rc6_drm-intel-fixes_afa4e5_20141128_debug+ #2040 Not tainted <4>[ 155.833848] [<ffffffffa0013aa7>] drm_dev_register+0x84/0xfd [drm] <4>[ 155.833855] [<ffffffffa0016404>] drm_get_pci_dev+0xff/0x1b6 [drm] <4>[ 155.833879] [<ffffffffa0016513>] drm_pci_init+0x58/0xd9 [drm] <4>[ 155.833917] CPU: 2 PID: 4078 Comm: drv_module_relo Not tainted 3.18.0-rc6_drm-intel-fixes_afa4e5_20141128_debug+ #2040 <4>[ 155.901341] WARNING: CPU: 1 PID: 4115 at drivers/gpu/drm/i915/i915_irq.c:154 ironlake_disable_display_irq+0x36/0x77 [i915]() <4>[ 155.901345] Modules linked in: ip6table_filter ip6_tables ipv6 iptable_filter ip_tables ebtable_nat ebtables x_tables iTCO_wdt iTCO_vendor_support ppdev snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic dm_mod pcspkr i2c_i801 snd_hda_controller snd_hda_codec snd_hwdep snd_pcm snd_timer snd lpc_ich mfd_core soundcore battery parport_pc parport wmi acpi_cpufreq i915(-) button video drm_kms_helper drm cfbfillrect cfbimgblt cfbcopyarea [last unloaded: snd_hda_intel] <4>[ 155.901378] CPU: 1 PID: 4115 Comm: rmmod Not tainted 3.18.0-rc6_drm-intel-fixes_afa4e5_20141128_debug+ #2040 <4>[ 155.901415] [<ffffffffa001114a>] ? get_drm_timestamp+0x1b/0x2e [drm] <4>[ 155.901462] [<ffffffffa0011535>] vblank_disable_and_save+0x7b/0x188 [drm] <4>[ 155.901469] [<ffffffffa00128a3>] drm_vblank_cleanup+0x4f/0x85 [drm] <4>[ 155.901495] [<ffffffffa00138c0>] drm_dev_unregister+0x29/0x9a [drm] <4>[ 155.901503] [<ffffffffa0014255>] drm_put_dev+0x51/0x5d [drm] <4>[ 155.901579] [<ffffffffa0015cb2>] drm_pci_exit+0x46/0x8e [drm] <4>[ 155.901628] WARNING: CPU: 1 PID: 4115 at drivers/gpu/drm/i915/i915_irq.c:154 ironlake_disable_display_irq+0x36/0x77 [i915]() <4>[ 155.901631] Modules linked in: ip6table_filter ip6_tables ipv6 iptable_filter ip_tables ebtable_nat ebtables x_tables iTCO_wdt iTCO_vendor_support ppdev snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic dm_mod pcspkr i2c_i801 snd_hda_controller snd_hda_codec snd_hwdep snd_pcm snd_timer snd lpc_ich mfd_core soundcore battery parport_pc parport wmi acpi_cpufreq i915(-) button video drm_kms_helper drm cfbfillrect cfbimgblt cfbcopyarea [last unloaded: snd_hda_intel] <4>[ 155.901662] CPU: 1 PID: 4115 Comm: rmmod Tainted: G W 3.18.0-rc6_drm-intel-fixes_afa4e5_20141128_debug+ #2040 <4>[ 155.901694] [<ffffffffa001114a>] ? get_drm_timestamp+0x1b/0x2e [drm] <4>[ 155.901737] [<ffffffffa0011535>] vblank_disable_and_save+0x7b/0x188 [drm] <4>[ 155.901744] [<ffffffffa00128a3>] drm_vblank_cleanup+0x4f/0x85 [drm] <4>[ 155.901768] [<ffffffffa00138c0>] drm_dev_unregister+0x29/0x9a [drm] <4>[ 155.901775] [<ffffffffa0014255>] drm_put_dev+0x51/0x5d [drm] <4>[ 155.901849] [<ffffffffa0015cb2>] drm_pci_exit+0x46/0x8e [drm] <4>[ 155.901894] WARNING: CPU: 1 PID: 4115 at drivers/gpu/drm/i915/i915_irq.c:154 ironlake_disable_display_irq+0x36/0x77 [i915]() <4>[ 155.901898] Modules linked in: ip6table_filter ip6_tables ipv6 iptable_filter ip_tables ebtable_nat ebtables x_tables iTCO_wdt iTCO_vendor_support ppdev snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic dm_mod pcspkr i2c_i801 snd_hda_controller snd_hda_codec snd_hwdep snd_pcm snd_timer snd lpc_ich mfd_core soundcore battery parport_pc parport wmi acpi_cpufreq i915(-) button video drm_kms_helper drm cfbfillrect cfbimgblt cfbcopyarea [last unloaded: snd_hda_intel] <4>[ 155.901927] CPU: 1 PID: 4115 Comm: rmmod Tainted: G W 3.18.0-rc6_drm-intel-fixes_afa4e5_20141128_debug+ #2040 <4>[ 155.901958] [<ffffffffa001114a>] ? get_drm_timestamp+0x1b/0x2e [drm] <4>[ 155.902000] [<ffffffffa0011535>] vblank_disable_and_save+0x7b/0x188 [drm] <4>[ 155.902007] [<ffffffffa00128a3>] drm_vblank_cleanup+0x4f/0x85 [drm] <4>[ 155.902031] [<ffffffffa00138c0>] drm_dev_unregister+0x29/0x9a [drm] <4>[ 155.902038] [<ffffffffa0014255>] drm_put_dev+0x51/0x5d [drm] <4>[ 155.902110] [<ffffffffa0015cb2>] drm_pci_exit+0x46/0x8e [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> <li>You are the assignee for the bug.</li> </ul> </body> </html>