Description of problem: Woke X230 from sleep and this happened. Additional info: reporter: libreport-2.1.12 WARNING: CPU: 3 PID: 3740 at drivers/gpu/drm/i915/intel_uncore.c:125 gen6_gt_check_fifodbg.isra.9+0x38/0x50 [i915]() MMIO read or write has been dropped ffffffff Modules linked in: tun rfcomm ccm fuse ip6t_rpfilter ip6t_REJECT 8021q garp fcoe mrp libfcoe libfc scsi_transport_fc scsi_tgt 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 bnep snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support snd_hda_codec_realtek arc4 iwldvm mac80211 x86_pkg_temp_thermal coretemp uvcvideo kvm_intel kvm snd_hda_intel iwlwifi videobuf2_vmalloc videobuf2_memops snd_hda_codec videobuf2_core btusb videodev snd_hwdep snd_seq media bluetooth snd_seq_device microcode snd_pcm i2c_i801 e1000e cfg80211 serio_raw sdhci_pci sdhci snd_page_alloc mmc_core mei_me thinkpad_acpi snd_timer mei lpc_ich ptp snd shpchp mfd_core soundcore pps_core rfkill wmi binfmt_misc dm_crypt crct10dif_pclmul crc32_pclmul i915 crc32c_intel i2c_algo_bit drm_kms_helper ghash_clmulni_intel drm i2c_core video ecryptfs encrypted_keys trusted tpm CPU: 3 PID: 3740 Comm: kworker/u16:14 Not tainted 3.13.3-201.fc20.x86_64 #1 Hardware name: LENOVO 2320HNU/2320HNU, BIOS G2ET82WW (2.02 ) 09/11/2012 Workqueue: i915 gen6_force_wake_work [i915] 0000000000000009 ffff88039d5c3d38 ffffffff81686b48 ffff88039d5c3d80 ffff88039d5c3d70 ffffffff8106d47d ffff880404dc0020 ffff880404dc0028 0000000000000206 ffff8804048d3300 0000000000000200 ffff88039d5c3dd0 Call Trace: [<ffffffff81686b48>] dump_stack+0x45/0x56 [<ffffffff8106d47d>] warn_slowpath_common+0x7d/0xa0 [<ffffffff8106d4ec>] warn_slowpath_fmt+0x4c/0x50 [<ffffffff8109e157>] ? try_to_wake_up+0xe7/0x290 [<ffffffffa0144b78>] gen6_gt_check_fifodbg.isra.9+0x38/0x50 [i915] [<ffffffffa0144c1b>] __gen6_gt_force_wake_mt_put+0x2b/0x30 [i915] [<ffffffffa0144947>] gen6_force_wake_work+0x37/0x50 [i915] [<ffffffff81087b86>] process_one_work+0x176/0x430 [<ffffffff810887bb>] worker_thread+0x11b/0x3a0 [<ffffffff810886a0>] ? rescuer_thread+0x350/0x350 [<ffffffff8108f242>] kthread+0xd2/0xf0 [<ffffffff8108f170>] ? insert_kthread_work+0x40/0x40 [<ffffffff81695a7c>] ret_from_fork+0x7c/0xb0 [<ffffffff8108f170>] ? insert_kthread_work+0x40/0x40
Created attachment 865081 [details] File: dmesg
When I search bugzilla for "CPU PID", I get over a hundred similar-looking bug reports. Wouldn't it be a good idea to start finding groupsof truly similar reports and marking them as duplicates of one bug in the group?
*** Bug 1088631 has been marked as a duplicate of this bug. ***
*** This bug has been marked as a duplicate of bug 960052 ***