10:49 p.m.
I am seeing a pile of these:
------------ /var/log/messages -------------------------
Jun 26 23:35:46 lap3 kernel: [ 5571.026866] WARNING: at
drivers/gpu/drm/i915/i915_drv.c:322 gen6_gt_force_wake_ge
t+0x2a/0xa3 [i915]()
Jun 26 23:35:46 lap3 kernel: [ 5571.026867] Hardware name: 4270CTO
Jun 26 23:35:46 lap3 kernel: [ 5571.026868] Modules linked in: tcp_lp
fuse hidp ebtable_nat ebtables ipt_MASQUERA
DE iptable_nat nf_nat xt_CHECKSUM iptable_mangle bridge stp llc sunrpc
cpufreq_ondemand acpi_cpufreq freq_table m
perf rfcomm bnep capi kernelcapi ip6t_REJECT nf_conntrack_ipv6
nf_defrag_ipv6 ip6table_filter ip6_tables nf_connt
rack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack xts gf128mul dm_crypt
arc4 uvcvideo videodev media v4l2_compat_ioc
tl32 btusb bluetooth microcode snd_hda_codec_conexant joydev
snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_se
q_device iwlagn mac80211 snd_pcm cfg80211 i2c_i801 xhci_hcd snd_timer
iTCO_wdt iTCO_vendor_support snd_page_alloc
e1000e thinkpad_acpi rfkill snd soundcore virtio_net kvm_intel kvm
firewire_ohci firewire_core sdhci_pci sdhci c
rc_itu_t mmc_core wmi i915 drm_kms_helper drm i2c_algo_bit i2c_core
video [last unloaded: scsi_wait_scan]
Jun 26 23:35:46 lap3 kernel: [ 5571.026895] Pid: 5255, comm:
kworker/u:16 Tainted: G W 3.0-0.rc4.git3.1.
fc16.x86_64 #1
Jun 26 23:35:46 lap3 kernel: [ 5571.026897] Call Trace:
Jun 26 23:35:46 lap3 kernel: [ 5571.026899] [<ffffffff81057b14>]
warn_slowpath_common+0x83/0x9b
Jun 26 23:35:46 lap3 kernel: [ 5571.026901] [<ffffffff81057b46>]
warn_slowpath_null+0x1a/0x1c
Jun 26 23:35:46 lap3 kernel: [ 5571.026906] [<ffffffffa006b4d7>]
gen6_gt_force_wake_get+0x2a/0xa3 [i915]
Jun 26 23:35:46 lap3 kernel: [ 5571.026913] [<ffffffffa0075c37>]
i915_read8+0x34/0x6d [i915]
Jun 26 23:35:46 lap3 kernel: [ 5571.026920] [<ffffffffa0077d43>]
i915_restore_display+0x103d/0x10bc [i915]
Jun 26 23:35:46 lap3 kernel: [ 5571.026928] [<ffffffffa0078003>]
i915_restore_state+0x58/0x1f9 [i915]
Jun 26 23:35:46 lap3 kernel: [ 5571.026934] [<ffffffffa006b100>]
i915_drm_thaw+0x53/0xde [i915]
Jun 26 23:35:46 lap3 kernel: [ 5571.026940] [<ffffffffa006b36b>]
i915_resume+0x45/0x5c [i915]
Jun 26 23:35:46 lap3 kernel: [ 5571.026946] [<ffffffffa006b398>]
i915_pm_resume+0x16/0x18 [i915]
Jun 26 23:35:46 lap3 kernel: [ 5571.026948] [<ffffffff812760db>]
pci_pm_resume+0x8b/0xa0
Jun 26 23:35:46 lap3 kernel: [ 5571.026949] [<ffffffff8132765b>]
pm_op+0xa9/0x149
Jun 26 23:35:46 lap3 kernel: [ 5571.026951] [<ffffffff81327a8c>]
device_resume+0xce/0x1d4
Jun 26 23:35:46 lap3 kernel: [ 5571.026952] [<ffffffff81327bb0>]
async_resume+0x1e/0x46
Jun 26 23:35:46 lap3 kernel: [ 5571.026954] [<ffffffff8107b930>]
async_run_entry_fn+0x9e/0x132
Jun 26 23:35:46 lap3 kernel: [ 5571.026956] [<ffffffff8107b892>] ?
async_schedule+0x17/0x17
Jun 26 23:35:46 lap3 kernel: [ 5571.026958] [<ffffffff8106ff51>]
process_one_work+0x1ce/0x379
Jun 26 23:35:46 lap3 kernel: [ 5571.026960] [<ffffffff8106fed0>] ?
process_one_work+0x14d/0x379
Jun 26 23:35:46 lap3 kernel: [ 5571.026962] [<ffffffff8108719c>] ?
lock_acquired+0x1f6/0x229
Jun 26 23:35:46 lap3 kernel: [ 5571.026964] [<ffffffff81070c4d>]
worker_thread+0xda/0x15d
Jun 26 23:35:46 lap3 kernel: [ 5571.026966] [<ffffffff81070b73>] ?
manage_workers+0x175/0x175
Jun 26 23:35:46 lap3 kernel: [ 5571.026968] [<ffffffff81070b73>] ?
manage_workers+0x175/0x175
Jun 26 23:35:46 lap3 kernel: [ 5571.026970] [<ffffffff810745e9>]
kthread+0xa8/0xb0
Jun 26 23:35:46 lap3 kernel: [ 5571.026973] [<ffffffff814fb024>]
kernel_thread_helper+0x4/0x10
Jun 26 23:35:46 lap3 kernel: [ 5571.026975] [<ffffffff814f36d4>] ?
retint_restore_args+0x13/0x13
Jun 26 23:35:46 lap3 kernel: [ 5571.026977] [<ffffffff81074541>] ?
__init_kthread_worker+0x5a/0x5a
Jun 26 23:35:46 lap3 kernel: [ 5571.026979] [<ffffffff814fb020>] ?
gs_change+0x13/0x13
Jun 26 23:35:46 lap3 kernel: [ 5571.026980] ---[ end trace
f58c80338dd6a220 ]---
------------ end /var/log/messages -------------------------
# lspci
00:00.0 Host bridge: Intel Corporation Sandy Bridge DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation Device 0126 (rev 09)
00:16.0 Communication controller: Intel Corporation Cougar Point HECI
Controller #1 (rev 04)
00:16.3 Serial controller: Intel Corporation Cougar Point KT Controller
(rev 04)
00:19.0 Ethernet controller: Intel Corporation 82579LM Gigabit Network
Connection (rev 04)
00:1a.0 USB Controller: Intel Corporation Cougar Point USB Enhanced Host
Controller #2 (rev 04)
00:1b.0 Audio device: Intel Corporation Cougar Point High Definition
Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation Cougar Point PCI Express Root Port
1 (rev b4)
00:1c.1 PCI bridge: Intel Corporation Cougar Point PCI Express Root Port
2 (rev b4)
00:1c.3 PCI bridge: Intel Corporation Cougar Point PCI Express Root Port
4 (rev b4)
00:1c.4 PCI bridge: Intel Corporation Cougar Point PCI Express Root Port
5 (rev b4)
00:1c.6 PCI bridge: Intel Corporation Cougar Point PCI Express Root Port
7 (rev b4)
00:1d.0 USB Controller: Intel Corporation Cougar Point USB Enhanced Host
Controller #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation Cougar Point LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation Cougar Point 6 port SATA AHCI
Controller (rev 04)
00:1f.3 SMBus: Intel Corporation Cougar Point SMBus Controller (rev 04)
03:00.0 Network controller: Intel Corporation Centrino Ultimate-N 6300
(rev 35)
0d:00.0 System peripheral: Ricoh Co Ltd Device e823 (rev 05)
0d:00.3 FireWire (IEEE 1394): Ricoh Co Ltd Device e832 (rev 04)
0e:00.0 USB Controller: NEC Corporation uPD720200 USB 3.0 Host
Controller (rev 04)