linux-kernel - Re: i915 kernel error

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Message-ID: <20151001084604.GB3764@pd.tnic>
Date:	Thu, 1 Oct 2015 10:46:04 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Gary Barrueto <gary@...tin.tv>
Cc:	linux-kernel@...r.kernel.org, intel-gfx@...ts.freedesktop.org
Subject: Re: i915 kernel error

+ intel-gfx@...ts.freedesktop.org

On Thu, Oct 01, 2015 at 12:20:10AM -0700, Gary Barrueto wrote:
> Got a intel nuc i7 and am getting this when I start playing video in
> vlc and many times the system just freezes.
> 
> Oct  1 00:08:59 inuc kernel: [   81.127657] ------------[ cut here ]------------
> Oct  1 00:08:59 inuc kernel: [   81.127680] WARNING: CPU: 3 PID: 151
> at /home/kernel/COD/linux/drivers/gpu/drm/i915/intel_uncore.c:620
> hsw_unclaimed_reg_debug.isra.14+0x78/0xa0 [i915]()
> Oct  1 00:08:59 inuc kernel: [   81.127682] Unclaimed register
> detected before writing to register 0x44324
> Oct  1 00:08:59 inuc kernel: [   81.127683] Modules linked in: cmac
> rfcomm bnep nls_iso8859_1 drbg ansi_cprng dm_crypt intel_rapl iosf_mbi
> arc4 x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel iwlmvm
> kvm mac80211 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel
> aesni_intel iwlwifi aes_x86_64 snd_soc_rt5640 lrw btusb snd_soc_rl6231
> gf128mul btrtl snd_soc_core glue_helper ablk_helper snd_compress
> cryptd btbcm snd_hda_codec_hdmi btintel ac97_bus snd_pcm_dmaengine
> input_leds snd_hda_codec_realtek joydev snd_hda_codec_generic
> ir_xmp_decoder snd_seq_midi ir_lirc_codec bluetooth serio_raw lirc_dev
> ir_sharp_decoder ir_mce_kbd_decoder snd_seq_midi_event snd_rawmidi
> ir_sanyo_decoder cfg80211 snd_hda_intel ir_rc6_decoder ir_sony_decoder
> snd_hda_codec ir_jvc_decoder ir_rc5_decoder snd_hda_core snd_seq
> lpc_ich ir_nec_decoder snd_hwdep mei_me snd_pcm mei shpchp
> snd_seq_device snd_timer snd rc_rc6_mce soundcore nuvoton_cir rc_core
> dw_dmac dw_dmac_core snd_soc_sst_acpi acpi_als i2c_hid kfifo_buf
> 8250_dw acpi_pad i2c_designware_platform spi_pxa2xx_platform
> i2c_designware_core mac_hid industrialio parport_pc ppdev lp parport
> autofs4 hid_generic usbhid hid i915 e1000e ahci i2c_algo_bit libahci
> drm_kms_helper ptp drm psmouse pps_core video sdhci_acpi sdhci
> Oct  1 00:08:59 inuc kernel: [   81.127729] CPU: 3 PID: 151 Comm:
> kworker/u8:2 Not tainted 4.2.1-040201-generic #201509211431
> Oct  1 00:08:59 inuc kernel: [   81.127730] Hardware name:
>      /NUC5i7RYB, BIOS RYBDWi35.86A.0350.2015.0812.1722 08/12/2015
> Oct  1 00:08:59 inuc kernel: [   81.127743] Workqueue: i915
> gen6_pm_rps_work [i915]
> Oct  1 00:08:59 inuc kernel: [   81.127744]  ffffffffc0247c78
> ffff880035c33c38 ffffffff817a1f73 0000000000000000
> Oct  1 00:08:59 inuc kernel: [   81.127746]  ffff880035c33c88
> ffff880035c33c78 ffffffff8107719a ffff880486c0e840
> Oct  1 00:08:59 inuc kernel: [   81.127747]  ffff88046e1d0078
> 0000000000044324 0000000000044324 ffff88046e1d0078
> Oct  1 00:08:59 inuc kernel: [   81.127749] Call Trace:
> Oct  1 00:08:59 inuc kernel: [   81.127753]  [<ffffffff817a1f73>]
> dump_stack+0x45/0x57
> Oct  1 00:08:59 inuc kernel: [   81.127755]  [<ffffffff8107719a>]
> warn_slowpath_common+0x8a/0xc0
> Oct  1 00:08:59 inuc kernel: [   81.127757]  [<ffffffff81077216>]
> warn_slowpath_fmt+0x46/0x50
> Oct  1 00:08:59 inuc kernel: [   81.127768]  [<ffffffffc01cbe58>]
> hsw_unclaimed_reg_debug.isra.14+0x78/0xa0 [i915]
> Oct  1 00:08:59 inuc kernel: [   81.127777]  [<ffffffffc01cffaf>]
> gen8_write32+0x5f/0x1b0 [i915]
> Oct  1 00:08:59 inuc kernel: [   81.127786]  [<ffffffffc01b5b34>]
> snb_update_pm_irq+0x74/0xc0 [i915]
> Oct  1 00:08:59 inuc kernel: [   81.127794]  [<ffffffffc01b9849>]
> gen6_enable_pm_irq+0x19/0x40 [i915]
> Oct  1 00:08:59 inuc kernel: [   81.127801]  [<ffffffffc01b98c2>]
> gen6_pm_rps_work+0x52/0x340 [i915]
> Oct  1 00:08:59 inuc kernel: [   81.127804]  [<ffffffff8108f21e>]
> process_one_work+0x14e/0x3d0
> Oct  1 00:08:59 inuc kernel: [   81.127806]  [<ffffffff8108f8ca>]
> worker_thread+0x11a/0x470
> Oct  1 00:08:59 inuc kernel: [   81.127808]  [<ffffffff8108f7b0>] ?
> rescuer_thread+0x310/0x310
> Oct  1 00:08:59 inuc kernel: [   81.127809]  [<ffffffff81094e29>]
> kthread+0xc9/0xe0
> Oct  1 00:08:59 inuc kernel: [   81.127811]  [<ffffffff81094d60>] ?
> kthread_create_on_node+0x180/0x180
> Oct  1 00:08:59 inuc kernel: [   81.127813]  [<ffffffff817a969f>]
> ret_from_fork+0x3f/0x70
> Oct  1 00:08:59 inuc kernel: [   81.127814]  [<ffffffff81094d60>] ?
> kthread_create_on_node+0x180/0x180
> Oct  1 00:08:59 inuc kernel: [   81.127816] ---[ end trace 05718fb58d324353 ]---
> 
> 
> I also see these
> 
> Oct  1 00:13:47 inuc kernel: [  368.618326] [drm:gen8_irq_handler
> [i915]] *ERROR* The master control interrupt lied (SDE)!
> Oct  1 00:13:47 inuc kernel: [  368.644297] [drm:gen8_irq_handler
> [i915]] *ERROR* The master control interrupt lied (SDE)!
> Oct  1 00:13:47 inuc kernel: [  368.651777] [drm:gen8_irq_handler
> [i915]] *ERROR* The master control interrupt lied (SDE)!
> Oct  1 00:13:47 inuc kernel: [  368.652772] [drm:gen8_irq_handler
> [i915]] *ERROR* The master control interrupt lied (SDE)!
> --
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-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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