I'm getting this as well since I installed Fedora 18 and updated (a few days ago). I think it's down to the Intel graphics module and dpms (display power management signalling) - Although I can't reproduce by changing the brightness using keyboard shortcusts on my dell xps m1330n
from /var/log/messages:
Code:
ar 17 13:15:05 c4111um systemd[1]: Started Hostname Service.
Mar 17 13:17:06 c4111um kernel: [ 2059.004577] ------------[ cut here ]------------
Mar 17 13:17:06 c4111um kernel: [ 2059.004637] WARNING: at drivers/gpu/drm/i915/intel_display.c:3882 intel_modeset_check_state+0x
4ce/0x610 [i915]()
Mar 17 13:17:06 c4111um kernel: [ 2059.004641] Hardware name: XPS M1330
Mar 17 13:17:06 c4111um kernel: [ 2059.004645] wrong connector dpms state
Mar 17 13:17:06 c4111um kernel: [ 2059.004647] Modules linked in: fuse ebtable_nat nf_conntrack_netbios_ns nf_conntrack_broadcast
ipt_MASQUERADE ip6table_mangle ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 iptable_nat nf_nat_ipv4 nf_nat be2iscsi iscsi_boot_s
ysfs iptable_mangle bnx2i cnic uio nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack cxgb4i cxgb4 cxgb3i ebtable_filter
bnep ebtables bluetooth cxgb3 ip6table_filter mdio libcxgbi ip6_tables ib_iser rdma_cm ib_addr iw_cm ib_cm ib_sa ib_mad ib_core i
scsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi dm_crypt uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev
snd_hda_codec_hdmi arc4 media iwl3945 iwlegacy snd_hda_codec_idt mac80211 snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_d
evice r592 memstick iTCO_wdt iTCO_vendor_support tg3 ptp pps_core i2c_i801 coretemp lpc_ich snd_pcm snd_page_alloc snd_timer micr
ocode cfg80211 snd soundcore rfkill mfd_core dell_laptop dell_wmi sparse_keymap dcdbas uinput i915 firewire_ohci i2c_algo_bit drm
_kms_helper firewire_core crc_itu_t sdhci_pci sdhci mmc_core drm i2c_core wmi video
Mar 17 13:17:06 c4111um kernel: [ 2059.004782] Pid: 792, comm: X Not tainted 3.8.3-201.fc18.x86_64 #1
Mar 17 13:17:06 c4111um kernel: [ 2059.004785] Call Trace:
and a grep of dmesg:
Code:
[root@c4111um ~]# dmesg | grep -i taint
[ 1063.623850] Pid: 924, comm: X Not tainted 3.8.3-201.fc18.x86_64 #1
[ 1063.624388] Pid: 924, comm: X Tainted: G W 3.8.3-201.fc18.x86_64 #1
[ 1063.624894] Pid: 924, comm: X Tainted: G W 3.8.3-201.fc18.x86_64 #1
[ 1063.625384] Pid: 924, comm: X Tainted: G W 3.8.3-201.fc18.x86_64 #1
[ 1063.625818] Pid: 924, comm: X Tainted: G W 3.8.3-201.fc18.x86_64 #1
[ 1273.307925] Pid: 924, comm: X Tainted: G W 3.8.3-201.fc18.x86_64 #1
[ 1273.308471] Pid: 924, comm: X Tainted: G W 3.8.3-201.fc18.x86_64 #1
[ 1273.308910] Pid: 924, comm: X Tainted: G W 3.8.3-201.fc18.x86_64 #1
[ 1273.309373] Pid: 924, comm: X Tainted: G W 3.8.3-201.fc18.x86_64 #1
[ 1273.309812] Pid: 924, comm: X Tainted: G W 3.8.3-201.fc18.x86_64 #1
[ 2120.981881] Pid: 924, comm: X Tainted: G W 3.8.3-201.fc18.x86_64 #1
[ 2120.982412] Pid: 924, comm: X Tainted: G W 3.8.3-201.fc18.x86_64 #1
(and a lot more of those!)
has anyone got any pointers about what to look at next? I have the same problem as the original poster in that the KDE "notifications" pop up all the time and it takes a while to manually clear each notification.
---------- Post added at 03:22 PM ---------- Previous post was at 03:17 PM ----------
hmmm, looks like I'm not the only one:
https://bugzilla.redhat.com/show_bug.cgi?id=922403
https://bugzilla.redhat.com/show_bug.cgi?id=919699
https://bugzilla.redhat.com/show_bug.cgi?id=918861