fwiw, I grabbed the latest kernel and the bug is still there. I built v3.16.0-rc5 and still get this filling the log:
l WARNING: CPU: 1 PID: 1143 at drivers/gpu/drm/i915/intel_display.c:10101 intel_modeset_check_state+0x5f3/0x7a0 [i915]() [ 115.283641] encoder's hw state doesn't match sw tracking (expected 0, found 1) [ 115.283643] Modules linked in: pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) ctr(E) ccm(E) bnep(E) rfcomm(E) bluetooth(E) snd_hda_codec_idt(E) snd_hda_codec_hdmi(E) snd_hda_codec_generic(E) uvcvideo(E) videobuf2_vmalloc(E) arc4(E) videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) snd_hda_intel(E) snd_hda_controller(E) b43(E) snd_hda_codec(E) snd_hwdep(E) snd_pcm(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) bcma(E) snd_seq(E) snd_seq_device(E) gpio_ich(E) mac80211(E) dell_wmi(E) sparse_keymap(E) dell_laptop(E) snd_timer(E) dcdbas(E) coretemp(E) cfg80211(E) joydev(E) i915(E) snd(E) serio_raw(E) drm_kms_helper(E) drm(E) ssb_hcd(E) lpc_ich(E) soundcore(E) i2c_algo_bit(E) wmi(E) mac_hid(E) video(E) parport_pc(E) ppdev(E) lp(E) parport(E) psmouse(E) ahci(E) libahci(E) ssb(E) sky2(E) [ 115.283693] CPU: 1 PID: 1143 Comm: Xorg Tainted: G W OE 3.16.0-rc5-1404+ #2 [ 115.283695] Hardware name: Dell Inc. Inspiron 1525 /0U990C, BIOS A17 10/27/2009 [ 115.283697] 0000000000000009 ffff8800b8577a10 ffffffff8173bd3a ffff8800b8577a58 [ 115.283701] ffff8800b8577a48 ffffffff8106c82d 0000000000000001 ffff8800b8577ad0 [ 115.283705] ffff8800365be310 ffff880036817800 ffff8800365be000 ffff8800b8577aa8 [ 115.283708] Call Trace: [ 115.283716] [<ffffffff8173bd3a>] dump_stack+0x45/0x56 [ 115.283721] [<ffffffff8106c82d>] warn_slowpath_common+0x7d/0xa0 [ 115.283724] [<ffffffff8106c89c>] warn_slowpath_fmt+0x4c/0x50 [ 115.283747] [<ffffffffa01bcd85>] ? intel_sdvo_get_hw_state+0x55/0xc0 [i915] [ 115.283768] [<ffffffffa0195cc3>] intel_modeset_check_state+0x5f3/0x7a0 [i915] [ 115.283790] [<ffffffffa0195f05>] intel_set_mode+0x25/0x30 [i915] [ 115.283811] [<ffffffffa01964d7>] intel_release_load_detect_pipe+0xa7/0xf0 [i915] [ 115.283833] [<ffffffffa01c1711>] intel_tv_detect+0x311/0x550 [i915] [ 115.283842] [<ffffffffa010c9c3>] drm_helper_probe_single_connector_modes_merge_bits+0x293/0x3a0 [drm_kms_helper] [ 115.283849] [<ffffffffa010cae3>] drm_helper_probe_single_connector_modes+0x13/0x20 [drm_kms_helper] [ 115.283871] [<ffffffffa00b258f>] drm_mode_getconnector+0x3cf/0x440 [drm] [ 115.283883] [<ffffffffa00a3984>] drm_ioctl+0x1a4/0x630 [drm] [ 115.283889] [<ffffffff811e29d0>] do_vfs_ioctl+0x2e0/0x4c0 [ 115.283893] [<ffffffff810a3964>] ? vtime_account_user+0x54/0x60 [ 115.283896] [<ffffffff811e2c31>] SyS_ioctl+0x81/0xa0 [ 115.283900] [<ffffffff817446ff>] tracesys+0xe1/0xe6 [ 115.283902] ---[ end trace 225c135744ce54f4 ]--- # cat /sys/module/i915/parameters/modeset -1 this with a fresh reinstall of xubuntu 14.04 Keith -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1324935 Title: [Dell Inspiron 1525] WARNING: CPU: 1 PID: 1154 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_display.c:9226 intel_modeset_check_state+0x62d/0x780 [i915]() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1324935/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
