Additional info:
reporter:       libreport-2.2.3
WARNING: CPU: 0 PID: 0 at drivers/input/mouse/elantech.c:433 elantech_report_trackpoint.isra.5+0x199/0x1b0()
psmouse serio1: elantech: Unexpected trackpoint message
Modules linked in: ccm fuse ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw cpufreq_stats arc4 iwldvm mac80211 x86_pkg_temp_thermal snd_hda_codec_hdmi uvcvideo snd_hda_codec_realtek coretemp videobuf2_vmalloc btusb iTCO_wdt snd_hda_codec_generic samsung_laptop iTCO_vendor_support kvm_intel videobuf2_core iwlwifi videobuf2_memops v4l2_common kvm bluetooth videodev snd_hda_intel snd_hda_controller cfg80211 snd_hda_codec snd_hwdep snd_seq snd_seq_device joydev snd_pcm
media serio_raw r8169 mii snd_timer rfkill snd tpm_tis mei_me mei soundcore tpm lpc_ich shpchp mfd_core i2c_i801 wmi btrfs xor raid6_pq dm_crypt i915 i2c_algo_bit drm_kms_helper crct10dif_pclmul crc32_pclmul drm crc32c_intel ghash_clmulni_intel video
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.18.0-0.rc5.git0.1.fc22.x86_64 #1
Hardware name: SAMSUNG ELECTRONICS CO., LTD. 900X3C/900X3D/900X3E/900X4C/900X4D/NP900X3E-A01SE, BIOS P05ABK 02/26/2013
0000000000000000 23262348a9c64a34 ffff88011f203c28 ffffffff817554d5
0000000000000000 ffff88011f203c80 ffff88011f203c68 ffffffff81093161
000000000000009a ffff880118fb7600 ffff8800c2fa3370 ffff880036f7d800
Call Trace:
<IRQ>  [<ffffffff817554d5>] dump_stack+0x46/0x58
[<ffffffff81093161>] warn_slowpath_common+0x81/0xa0
[<ffffffff810931d5>] warn_slowpath_fmt+0x55/0x70
[<ffffffff81592dc9>] elantech_report_trackpoint.isra.5+0x199/0x1b0
[<ffffffff815935b8>] elantech_process_byte+0x6e8/0xf90
[<ffffffff81589645>] psmouse_handle_byte+0x15/0x150
[<ffffffff81589823>] psmouse_interrupt+0xa3/0x380
[<ffffffff81579a8a>] serio_interrupt+0x4a/0xa0
[<ffffffff8157abc7>] i8042_interrupt+0x197/0x3a0
[<ffffffff810ce800>] ? rebalance_domains+0x100/0x290
[<ffffffff810e9657>] handle_irq_event_percpu+0x77/0x1a0
[<ffffffff810e97bb>] handle_irq_event+0x3b/0x60

Potential duplicate: bug 1165390