3.0-rc3 WARNING: at drivers/gpu/drm/i915/i915_drv.c:340 gen6_gt_force_wake_put+0x29/0x52 [i915]()
From: Kan-Ru Chen
Date: Tue Jun 14 2011 - 08:12:17 EST
3.0-rc3 on X220 (Intel HD Graphics 3000) after resume from
hibernation. Got several of warnings in dmesg:
[ 955.809593] ------------[ cut here ]------------
[ 955.809595] WARNING: at drivers/gpu/drm/i915/i915_drv.c:340 gen6_gt_force_wake_put+0x29/0x52 [i915]()
[ 955.809596] Hardware name: 4286CTO
[ 955.809597] Modules linked in: i915 drm_kms_helper drm i2c_algo_bit acpi_cpufreq mperf tun nfsd exportfs nfs lockd fscache auth_rpcgss nfs_acl sunrpc ext2 tp_char
intel cryptd aes_x86_64 aes_generic cbc dm_crypt dm_mod joydev snd_hda_codec_hdmi snd_hda_codec_conexant arc4 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq s
e psmouse mac80211 tpm_tis tpm thinkpad_acpi btusb i2c_i801 pcspkr serio_raw evdev i2c_core bluetooth cfg80211 nvram snd tpm_bios battery rfkill ac button wmi video
l_agp intel_gtt agpgart processor ext4 mbcache jbd2 crc16 sd_mod crc_t10dif ahci libahci libata sdhci_pci sdhci mmc_core scsi_mod xhci_hcd thermal thermal_sys ehci_h
ded: scsi_wait_scan]
[ 955.809618] Pid: 4200, comm: kworker/u:8 Tainted: G W 3.0.0-rc3 #10
[ 955.809619] Call Trace:
[ 955.809620] [<ffffffff810487f7>] warn_slowpath_common+0x83/0x9b
[ 955.809622] [<ffffffff81048829>] warn_slowpath_null+0x1a/0x1c
[ 955.809624] [<ffffffffa04d356a>] gen6_gt_force_wake_put+0x29/0x52 [i915]
[ 955.809628] [<ffffffffa04dd815>] i915_read8+0x45/0x6d [i915]
[ 955.809632] [<ffffffffa04df96a>] i915_restore_display+0x1097/0x10bc [i915]
[ 955.809635] [<ffffffffa04dfbd0>] i915_restore_state+0x58/0x1f8 [i915]
[ 955.809638] [<ffffffffa04d30fe>] i915_drm_thaw+0x51/0xd8 [i915]
[ 955.809641] [<ffffffffa04d3365>] i915_resume+0x45/0x5c [i915]
[ 955.809644] [<ffffffffa04d3392>] i915_pm_resume+0x16/0x18 [i915]
[ 955.809646] [<ffffffff811a79da>] pci_pm_resume+0x8c/0xa1
[ 955.809647] [<ffffffff81069464>] ? async_run_entry_fn+0x11b/0x153
[ 955.809649] [<ffffffff81234975>] pm_op+0xa9/0x149
[ 955.809651] [<ffffffff81069349>] ? async_schedule+0x17/0x17
[ 955.809652] [<ffffffff81234ca5>] device_resume+0x93/0xcb
[ 955.809654] [<ffffffff8132aaf5>] ? _raw_spin_unlock_irqrestore+0x16/0x18
[ 955.809656] [<ffffffff81234cfc>] async_resume+0x1f/0x47
[ 955.809658] [<ffffffff81069464>] ? async_run_entry_fn+0x11b/0x153
[ 955.809659] [<ffffffff810693eb>] async_run_entry_fn+0xa2/0x153
[ 955.809661] [<ffffffff8105eabb>] process_one_work+0x15c/0x28f
[ 955.809663] [<ffffffff8105fb0d>] worker_thread+0xd3/0x157
[ 955.809665] [<ffffffff8105fa3a>] ? manage_workers.isra.24+0x16f/0x16f
[ 955.809667] [<ffffffff81062fa8>] kthread+0x84/0x8c
[ 955.809668] [<ffffffff8132c4e4>] kernel_thread_helper+0x4/0x10
[ 955.809670] [<ffffffff81062f24>] ? kthread_worker_fn+0x146/0x146
[ 955.809671] [<ffffffff8132c4e0>] ? gs_change+0x13/0x13
[ 955.809672] ---[ end trace 3949a50701070187 ]---
--
Kanru
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