Description of problem:
I just clean all the bug reports and rebooted and logged into my Mate desktop.

Additional info:
WARNING: at drivers/gpu/drm/gma500/gtt.c:383 psb_gtt_free_range+0x33/0x60 [gma500_gfx]()
Hardware name: BIC10-PA
Modules linked in: fuse ipt_MASQUERADE nf_conntrack_netbios_ns nf_conntrack_broadcast ip6table_mangle ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 iptable_nat nf_nat_ipv4 nf_nat iptable_mangle nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ebtable_filter ebtables ip6table_filter ip6_tables snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel r8169 snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm iTCO_wdt snd_page_alloc coretemp microcode iTCO_vendor_support mii lpc_ich snd_timer snd i2c_i801 of_i2c soundcore serio_raw uinput binfmt_misc gma500_gfx i2c_algo_bit drm_kms_helper drm i2c_core video
Pid: 796, comm: X Not tainted 3.8.4-202.fc18.i686 #1
Call Trace:
 [<c043e8d2>] warn_slowpath_common+0x72/0xa0
 [<f845b1e3>] ? psb_gtt_free_range+0x33/0x60 [gma500_gfx]
 [<f845b1e3>] ? psb_gtt_free_range+0x33/0x60 [gma500_gfx]
 [<c043e922>] warn_slowpath_null+0x22/0x30
 [<f845b1e3>] psb_gtt_free_range+0x33/0x60 [gma500_gfx]
 [<f845a793>] psb_gem_free_object+0x33/0x40 [gma500_gfx]
 [<f8426fa2>] drm_gem_object_free+0x22/0x30 [drm]
 [<f8427567>] drm_gem_handle_delete+0xb7/0xf0 [drm]
 [<f845a8c0>] ? psb_gem_dumb_create+0x50/0x50 [gma500_gfx]
 [<f845a8cf>] psb_gem_dumb_destroy+0xf/0x20 [gma500_gfx]
 [<f84354bb>] drm_mode_destroy_dumb_ioctl+0x2b/0x40 [drm]
 [<f8435490>] ? drm_mode_mmap_dumb_ioctl+0x50/0x50 [drm]
 [<f8425c82>] drm_ioctl+0x422/0x480 [drm]
 [<c0502bfa>] ? free_hot_cold_page_list+0x3a/0x80
 [<f8435490>] ? drm_mode_mmap_dumb_ioctl+0x50/0x50 [drm]
 [<c0506fd2>] ? release_pages+0x182/0x1e0
 [<c0433f12>] ? ___pte_free_tlb+0x42/0x60
 [<c053a5d1>] ? kfree+0x101/0x130
 [<f842bec6>] ? drm_vm_close_locked+0x96/0xa0 [drm]
 [<f842bec6>] ? drm_vm_close_locked+0x96/0xa0 [drm]
 [<f845ec75>] psb_unlocked_ioctl+0x35/0x80 [gma500_gfx]
 [<f845ec40>] ? psb_driver_preclose+0x10/0x10 [gma500_gfx]
 [<c055856a>] do_vfs_ioctl+0x7a/0x590
 [<c062708a>] ? inode_has_perm.isra.31.constprop.62+0x3a/0x50
 [<c0628700>] ? file_has_perm+0xa0/0xb0
 [<c0628b18>] ? selinux_file_ioctl+0x48/0xe0
 [<c0558aeb>] sys_ioctl+0x6b/0x80
 [<c098348d>] sysenter_do_call+0x12/0x28

Potential duplicate: bug 889511