[Bug 81291] dmesg filled with modeset errors

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=81291

--- Comment #2 from grider.4 at osu.edu ---
just tried v3.16.0 and I can now suspend and resume with video acceleration,
thanks! The messages are still in the log, though.

[  769.659990] ------------[ cut here ]------------
[  769.660012] WARNING: CPU: 0 PID: 5813 at
drivers/gpu/drm/i915/intel_display.c:10101
intel_modeset_check_state+0x5f3/0x7a0 [i915]()
[  769.660028] encoder's hw state doesn't match sw tracking (expected 0, found
1)
[  769.660030] Modules linked in: nfsv3(E) ctr(E) ccm(E) pci_stub(E)
vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) bnep(E) rfcomm(E)
rpcsec_gss_krb5(E) nfsv4(E) nfsd(E) auth_rpcgss(E) nfs_acl(E) nfs(E) lockd(E)
sunrpc(E) fscache(E) binfmt_misc(E) snd_hda_codec_idt(E) snd_hda_codec_hdmi(E)
snd_hda_codec_generic(E) uvcvideo(E) arc4(E) videobuf2_vmalloc(E)
videobuf2_memops(E) videobuf2_core(E) v4l2_common(E) videodev(E) b43(E)
snd_hda_intel(E) snd_hda_controller(E) snd_hda_codec(E) snd_hwdep(E) btusb(E)
dell_wmi(E) gpio_ich(E) bluetooth(E) sparse_keymap(E) snd_pcm(E)
snd_seq_midi(E) bcma(E) dell_laptop(E) mac80211(E) snd_seq_midi_event(E)
i915(E) snd_rawmidi(E) dcdbas(E) snd_seq(E) snd_seq_device(E) cfg80211(E)
joydev(E) snd_timer(E) serio_raw(E) coretemp(E) drm_kms_helper(E) snd(E)
soundcore(E) drm(E) ssb_hcd(E) lpc_ich(E) i2c_algo_bit(E) mac_hid(E) wmi(E)
video(E) parport_pc(E) ppdev(E) lp(E) parport(E) psmouse(E) ahci(E) libahci(E)
ssb(E) sky2(E)
[  769.660088] CPU: 0 PID: 5813 Comm: Xorg Tainted: G      D W  OE 3.16.0-kg+
#2
[  769.660090] Hardware name: Dell Inc. Inspiron 1525                  
/0U990C, BIOS A17 10/27/2009
[  769.660091]  0000000000000009 ffff8800b8dfba10 ffffffff8173c41a
ffff8800b8dfba58
[  769.660095]  ffff8800b8dfba48 ffffffff8106c81d 0000000000000001
ffff8800b8dfbad0
[  769.660099]  ffff8800b99c5b10 ffff8800b9378000 ffff8800b99c5800
ffff8800b8dfbaa8
[  769.660103] Call Trace:
[  769.660107]  [<ffffffff8173c41a>] dump_stack+0x45/0x56
[  769.660110]  [<ffffffff8106c81d>] warn_slowpath_common+0x7d/0xa0
[  769.660113]  [<ffffffff8106c88c>] warn_slowpath_fmt+0x4c/0x50
[  769.660136]  [<ffffffffa0259d45>] ? intel_sdvo_get_hw_state+0x55/0xc0 [i915]
[  769.660157]  [<ffffffffa0232c53>] intel_modeset_check_state+0x5f3/0x7a0
[i915]
[  769.660179]  [<ffffffffa0232e95>] intel_set_mode+0x25/0x30 [i915]
[  769.660200]  [<ffffffffa0233467>] intel_release_load_detect_pipe+0xa7/0xf0
[i915]
[  769.660223]  [<ffffffffa025e6d1>] intel_tv_detect+0x311/0x550 [i915]
[  769.660230]  [<ffffffffa010a9c3>]
drm_helper_probe_single_connector_modes_merge_bits+0x293/0x3a0 [drm_kms_helper]
[  769.660237]  [<ffffffffa010aae3>]
drm_helper_probe_single_connector_modes+0x13/0x20 [drm_kms_helper]
[  769.660252]  [<ffffffffa00af58f>] drm_mode_getconnector+0x3cf/0x440 [drm]
[  769.660255]  [<ffffffff811c40a9>] ? __mem_cgroup_commit_charge+0x159/0x3e0
[  769.660268]  [<ffffffffa00a0984>] drm_ioctl+0x1a4/0x630 [drm]
[  769.660272]  [<ffffffff811e2dc0>] do_vfs_ioctl+0x2e0/0x4c0
[  769.660276]  [<ffffffff810a38f4>] ? vtime_account_user+0x54/0x60
[  769.660279]  [<ffffffff811e3021>] SyS_ioctl+0x81/0xa0
[  769.660282]  [<ffffffff81744d7f>] tracesys+0xe1/0xe6
[  769.660284] ---[ end trace 820aec9868bb212a ]---

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