On Mon, Feb 15, 2016 at 06:58:33AM -0800, Andy Lutomirski wrote: > On Sun, Feb 14, 2016 at 6:59 PM, Andy Lutomirski <luto@xxxxxxxxxx> wrote: > > Hi- > > > > On 4.5-rc3 on a Dell XPS 13 9350 (Skylake i915, no nvidia on this > > model), shortly after resume, I saw a single black flash on the > > screen. The log said: > > > > [Feb13 07:05] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* > > CPU pipe A FIFO underrun > > > > I haven't seen this on 4.4. > > > > I'd be happy to dig up debugging info, but I don't know what would be > > useful. I have no i915 module options set. > > It's flashing quite frequently now, although I seem to get the > underrun warning only once per resume. We shut up the warning irq source to avoid hijacking an entire cpu core ;-) There's a fix from Matt right after 4.5-rc4 in Linus' branch. I'm hoping that should help. -Daniel > > intel_reg_dumper says: > > DCC: 0x00000000 (g/dri/0/i915_forcewake_user) > CHDECMISC: 0x00000000 (none, ch2 enh disabled, > ch1 enh disabled, ch0 enh disabled, flex disabled, ep not present) > C0DRB0: 0x00000000 (0x0000) > C0DRB1: 0x00000000 (0x0000) > C0DRB2: 0x00000000 (0x0000) > C0DRB3: 0x00000000 (0x0000) > C1DRB0: 0x00000000 (0x0000) > C1DRB1: 0x00000000 (0x0000) > C1DRB2: 0x00000000 (0x0000) > C1DRB3: 0x00000000 (0x0000) > C0DRA01: 0x00000000 (0x0000) > C0DRA23: 0x00000000 (0x0000) > C1DRA01: 0x00000000 (0x0000) > C1DRA23: 0x00000000 (0x0000) > PGETBL_CTL: 0x00000000 > VCLK_DIVISOR_VGA0: 0x00800000 (n = 0, m1 = 0, m2 = 0) > VCLK_DIVISOR_VGA1: 0x00800000 (n = 0, m1 = 0, m2 = 0) > VCLK_POST_DIV: 0x00800000 (vga0 p1 = 2, p2 = 2, vga1 > p1 = 2, p2 = 2) > DPLL_TEST: 0x00000000 (, DPLLA input buffer > disabled, DPLLB input buffer disabled) > CACHE_MODE_0: 0x00000000 > D_STATE: 0x00000000 > DSPCLK_GATE_D: 0x00800000 (clock gates disabled: TVRUNIT) > RENCLK_GATE_D1: 0x00800000 > RENCLK_GATE_D2: 0x00000000 > SDVOB: 0x00000000 (disabled, pipe A, stall > disabled, not detected) > SDVOC: 0x00000000 (disabled, pipe A, stall > disabled, not detected) > SDVOUDI: 0x00000000 > DSPARB: 0x00000000 > FW_BLC: 0x00000000 > FW_BLC2: 0x00000000 > FW_BLC_SELF: 0x00000000 > DSPFW1: 0x00000000 > DSPFW2: 0x00000000 > DSPFW3: 0x00000000 > ADPA: 0x00000000 (disabled, transcoder A, > -hsync, -vsync) > LVDS: 0x00000000 (disabled, pipe A, 18 bit, 1 channel) > DVOA: 0x00000000 (disabled, pipe A, no > stall, -hsync, -vsync) > DVOB: 0x00000000 (disabled, pipe A, no > stall, -hsync, -vsync) > DVOC: 0x00000000 (disabled, pipe A, no > stall, -hsync, -vsync) > DVOA_SRCDIM: 0x00000000 > DVOB_SRCDIM: 0x00000000 > DVOC_SRCDIM: 0x00000000 > BLC_PWM_CTL: 0x00000000 > BLC_PWM_CTL2: 0x00000000 > PP_CONTROL: 0x00000000 (power target: off) > PP_STATUS: 0x00000000 (off, not ready, sequencing idle) > PP_ON_DELAYS: 0x00000000 > PP_OFF_DELAYS: 0x00000000 > PP_DIVISOR: 0x00000000 > PFIT_CONTROL: 0x00000000 > PFIT_PGM_RATIOS: 0x00000000 > PORT_HOTPLUG_EN: 0x00000000 > PORT_HOTPLUG_STAT: 0x00000000 > DSPACNTR: 0xc4802400 (enabled) > DSPASTRIDE: 0x0000000f (15 bytes) > DSPAPOS: 0x00000000 (0, 0) > DSPASIZE: 0x0437077f (1920, 1080) > DSPABASE: 0x00000000 > DSPASURF: 0x03300000 > DSPATILEOFF: 0x00000000 > PIPEACONF: 0x00000000 (disabled, inactive, pf-pd, > rotate 0, 8bpc) > PIPEASRC: 0x077f0437 (1920, 1080) > PIPEASTAT: 0x00000000 (status:) > PIPEA_GMCH_DATA_M: 0x00000000 > PIPEA_GMCH_DATA_N: 0x00000000 > PIPEA_DP_LINK_M: 0x00000000 > PIPEA_DP_LINK_N: 0x00000000 > CURSOR_A_BASE: 0x00000000 > CURSOR_A_CONTROL: 0x00000000 > CURSOR_A_POSITION: 0x00000000 > FPA0: 0x00800000 (n = 0, m1 = 0, m2 = 0) > FPA1: 0x00800000 (n = 0, m1 = 0, m2 = 0) > DPLL_A: 0x00800000 (disabled, non-dvo, VGA, > default clock, unknown mode, p1 = 8, p2 = 0) > DPLL_A_MD: 0x00000000 > HTOTAL_A: 0x00000000 (1 active, 1 total) > HBLANK_A: 0x00000000 (1 start, 1 end) > HSYNC_A: 0x00000000 (1 start, 1 end) > VTOTAL_A: 0x00000000 (1 active, 1 total) > VBLANK_A: 0x00000000 (1 start, 1 end) > VSYNC_A: 0x00000000 (1 start, 1 end) > BCLRPAT_A: 0x00000000 > VSYNCSHIFT_A: 0x00000000 > DSPBCNTR: 0x00000000 (disabled) > DSPBSTRIDE: 0x00000000 (0 bytes) > DSPBPOS: 0x00000000 (0, 0) > DSPBSIZE: 0x00000000 (1, 1) > DSPBBASE: 0x00000000 > DSPBSURF: 0x00000000 > DSPBTILEOFF: 0x00000000 > PIPEBCONF: 0x00000000 (disabled, inactive, pf-pd, > rotate 0, 8bpc) > PIPEBSRC: 0x00000000 (1, 1) > PIPEBSTAT: 0x00000000 (status:) > PIPEB_GMCH_DATA_M: 0x00000000 > PIPEB_GMCH_DATA_N: 0x00000000 > PIPEB_DP_LINK_M: 0x00000000 > PIPEB_DP_LINK_N: 0x00000000 > CURSOR_B_BASE: 0x00000000 > CURSOR_B_CONTROL: 0x00000000 > CURSOR_B_POSITION: 0x00000000 > FPB0: 0x00000000 (n = 0, m1 = 0, m2 = 0) > FPB1: 0x00000000 (n = 0, m1 = 0, m2 = 0) > DPLL_B: 0x00000000 (disabled, non-dvo, VGA, > default clock, unknown mode, p1 = 0, p2 = 0) > DPLL_B_MD: 0x00800000 > HTOTAL_B: 0x00000000 (1 active, 1 total) > HBLANK_B: 0x00000000 (1 start, 1 end) > HSYNC_B: 0x00000000 (1 start, 1 end) > VTOTAL_B: 0x00000000 (1 active, 1 total) > VBLANK_B: 0x00000000 (1 start, 1 end) > VSYNC_B: 0x00000000 (1 start, 1 end) > BCLRPAT_B: 0x00000000 > VSYNCSHIFT_B: 0x00000000 > VCLK_DIVISOR_VGA0: 0x00800000 > VCLK_DIVISOR_VGA1: 0x00800000 > VCLK_POST_DIV: 0x00800000 > VGACNTRL: 0x00000000 (enabled) > TV_CTL: 0x00000000 > TV_DAC: 0x00000000 > TV_CSC_Y: 0x00000000 > TV_CSC_Y2: 0x00000000 > TV_CSC_U: 0x00000000 > TV_CSC_U2: 0x00000000 > TV_CSC_V: 0x00000000 > TV_CSC_V2: 0x00000000 > TV_CLR_KNOBS: 0x00000000 > TV_CLR_LEVEL: 0x00000000 > TV_H_CTL_1: 0x00000000 > TV_H_CTL_2: 0x00000000 > TV_H_CTL_3: 0x00000000 > TV_V_CTL_1: 0x00000000 > TV_V_CTL_2: 0x00000000 > TV_V_CTL_3: 0x00000000 > TV_V_CTL_4: 0x00000000 > TV_V_CTL_5: 0x00000000 > TV_V_CTL_6: 0x00000000 > TV_V_CTL_7: 0x00000000 > TV_SC_CTL_1: 0x00000000 > TV_SC_CTL_2: 0x00000000 > TV_SC_CTL_3: 0x00000000 > TV_WIN_POS: 0x00000000 > TV_WIN_SIZE: 0x00000000 > TV_FILTER_CTL_1: 0x00000000 > TV_FILTER_CTL_2: 0x00000000 > TV_FILTER_CTL_3: 0x00000000 > TV_CC_CONTROL: 0x00000000 > TV_CC_DATA: 0x00000000 > TV_H_LUMA_0: 0x00000000 > TV_H_LUMA_59: 0x00000000 > TV_H_CHROMA_0: 0x00000000 > TV_H_CHROMA_59: 0x00000000 > FBC_CFB_BASE: 0x00000000 > FBC_LL_BASE: 0x00000000 > FBC_CONTROL: 0x00000000 > FBC_COMMAND: 0x00000000 > FBC_STATUS: 0x00000000 > FBC_CONTROL2: 0x00000000 > FBC_FENCE_OFF: 0x00000000 > FBC_MOD_NUM: 0x00000000 > MI_MODE: 0x00000200 > MI_ARB_STATE: 0x00000000 > MI_RDRET_STATE: 0x00000000 > ECOSKPD: 0x00000000 > DP_B: 0x00000000 > DPB_AUX_CH_CTL: 0x00000000 > DPB_AUX_CH_DATA1: 0x00000000 > DPB_AUX_CH_DATA2: 0x00000000 > DPB_AUX_CH_DATA3: 0x00000000 > DPB_AUX_CH_DATA4: 0x00000000 > DPB_AUX_CH_DATA5: 0x00000000 > DP_C: 0x00000000 > DPC_AUX_CH_CTL: 0x00000000 > DPC_AUX_CH_DATA1: 0x00000000 > DPC_AUX_CH_DATA2: 0x00000000 > DPC_AUX_CH_DATA3: 0x00000000 > DPC_AUX_CH_DATA4: 0x00000000 > DPC_AUX_CH_DATA5: 0x00000000 > DP_D: 0x00000000 > DPD_AUX_CH_CTL: 0x00000000 > DPD_AUX_CH_DATA1: 0x00000000 > DPD_AUX_CH_DATA2: 0x00000000 > DPD_AUX_CH_DATA3: 0x00000000 > DPD_AUX_CH_DATA4: 0x00000000 > DPD_AUX_CH_DATA5: 0x00000000 > AUD_CONFIG: 0x00000000 > AUD_HDMIW_STATUS: 0x00000000 > AUD_CONV_CHCNT: 0x00000000 > VIDEO_DIP_CTL: 0x00000000 > AUD_PINW_CNTR: 0x00000000 > AUD_CNTL_ST: 0x00000000 > AUD_PIN_CAP: 0x00000000 > AUD_PINW_CAP: 0x00000000 > AUD_PINW_UNSOLRESP: 0x00000000 > AUD_OUT_DIG_CNVT: 0x00000000 > AUD_OUT_CWCAP: 0x00000000 > AUD_GRP_CAP: 0x00000000 > FENCE 0: 0x00000000 (enabled) > FENCE 1: 0x00000000 (enabled) > FENCE 2: 0x00000000 (enabled) > FENCE 3: 0x00000000 (enabled) > FENCE 4: 0x00000000 (enabled) > FENCE 5: 0x00000000 (enabled) > FENCE 6: 0x00000000 (enabled) > FENCE 7: 0x00000000 (enabled) > FENCE 8: 0x00000000 (enabled) > FENCE 9: 0x00000000 (enabled) > FENCE 10: 0x00000000 (enabled) > FENCE 11: 0x00000000 (enabled) > FENCE 12: 0x00000000 (enabled) > FENCE 13: 0x00000000 (enabled) > FENCE 14: 0x00000000 (enabled) > FENCE 15: 0x00000000 (enabled) > FENCE START 0: 0x00000000 (disabled, X tile walk, > 128 pitch, 0x00000000 start) > FENCE END 0: 0x00000000 ( > 0x00000000 end) > FENCE START 1: 0x00000000 (disabled, X tile walk, > 128 pitch, 0x00000000 start) > FENCE END 1: 0x00000000 ( > 0x00000000 end) > FENCE START 2: 0x00000000 (disabled, X tile walk, > 128 pitch, 0x00000000 start) > FENCE END 2: 0x00000000 ( > 0x00000000 end) > FENCE START 3: 0x00000000 (disabled, X tile walk, > 128 pitch, 0x00000000 start) > FENCE END 3: 0x00000000 ( > 0x00000000 end) > FENCE START 4: 0x00000000 (disabled, X tile walk, > 128 pitch, 0x00000000 start) > FENCE END 4: 0x00000000 ( > 0x00000000 end) > FENCE START 5: 0x00000000 (disabled, X tile walk, > 128 pitch, 0x00000000 start) > FENCE END 5: 0x00000000 ( > 0x00000000 end) > FENCE START 6: 0x00000000 (disabled, X tile walk, > 128 pitch, 0x00000000 start) > FENCE END 6: 0x00000000 ( > 0x00000000 end) > FENCE START 7: 0x00000000 (disabled, X tile walk, > 128 pitch, 0x00000000 start) > FENCE END 7: 0x00000000 ( > 0x00000000 end) > FENCE START 8: 0x00000000 (disabled, X tile walk, > 128 pitch, 0x00000000 start) > FENCE END 8: 0x00000000 ( > 0x00000000 end) > FENCE START 9: 0x00000000 (disabled, X tile walk, > 128 pitch, 0x00000000 start) > FENCE END 9: 0x00000000 ( > 0x00000000 end) > FENCE START 10: 0x00000000 (disabled, X tile walk, > 128 pitch, 0x00000000 start) > FENCE END 10: 0x00000000 ( > 0x00000000 end) > FENCE START 11: 0x00000000 (disabled, X tile walk, > 128 pitch, 0x00000000 start) > FENCE END 11: 0x00000000 ( > 0x00000000 end) > FENCE START 12: 0x00000000 (disabled, X tile walk, > 128 pitch, 0x00000000 start) > FENCE END 12: 0x00000000 ( > 0x00000000 end) > FENCE START 13: 0x00000000 (disabled, X tile walk, > 128 pitch, 0x00000000 start) > FENCE END 13: 0x00000000 ( > 0x00000000 end) > FENCE START 14: 0x00000000 (disabled, X tile walk, > 128 pitch, 0x00000000 start) > FENCE END 14: 0x00000000 ( > 0x00000000 end) > FENCE START 15: 0x00000000 (disabled, X tile walk, > 128 pitch, 0x00000000 start) > FENCE END 15: 0x00000000 ( > 0x00000000 end) > INST_PM: 0x00000000 > SDVO phase shift 0 out of range -- probobly not an issue. > pipe A dot 7200 n 0 m1 0 m2 0 p1 8 p2 10 > p1 out of range > SDVO phase shift 0 out of range -- probobly not an issue. > pipe B dot 57600 n 0 m1 0 m2 0 p1 1 p2 10 > FENCE START 0: 0x065b5001 > FENCE END 0: 0x06816027 > FENCE START 1: 0x03b44001 > FENCE END 1: 0x0422e02b > FENCE START 2: 0x08c40001 > FENCE END 2: 0x0977003b > FENCE START 3: 0x00000000 > FENCE END 3: 0x00000000 > FENCE START 4: 0x0e750001 > FENCE END 4: 0x0ebd7027 > FENCE START 5: 0x00000000 > FENCE END 5: 0x00000000 > FENCE START 6: 0x0ee80003 > FENCE END 6: 0x0ef3d009 > FENCE START 7: 0x0ef41003 > FENCE END 7: 0x0ef41000 > FENCE START 8: 0x03300001 > FENCE END 8: 0x03ae803b > FENCE START 9: 0x0ef42003 > FENCE END 9: 0x0ef42000 > FENCE START 10: 0x00000000 > FENCE END 10: 0x00000000 > FENCE START 11: 0x0cc38003 > FENCE END 11: 0x0cc40002 > FENCE START 12: 0x00000000 > FENCE END 12: 0x00000000 > FENCE START 13: 0x01d09003 > FENCE END 13: 0x01d09000 > FENCE START 14: 0x04cf2001 > FENCE END 14: 0x0546203b > FENCE START 15: 0x0d4f5001 > FENCE END 15: 0x0deda01b > FENCE START 16: 0x054dd003 > FENCE END 16: 0x05599006 > FENCE START 17: 0x0ef45003 > FENCE END 17: 0x0f04400f > FENCE START 18: 0x042a7003 > FENCE END 18: 0x042af002 > FENCE START 19: 0x01d0e003 > FENCE END 19: 0x01d0e000 > FENCE START 20: 0x00000000 > FENCE END 20: 0x00000000 > FENCE START 20: 0x00000000 > FENCE END 20: 0x00000000 > FENCE START 21: 0x065b3003 > FENCE END 21: 0x065b3000 > FENCE START 22: 0x065b4003 > FENCE END 22: 0x065b4000 > FENCE START 23: 0x0689c003 > FENCE END 23: 0x0689c000 > FENCE START 24: 0x04bc5003 > FENCE END 24: 0x04cc400f > FENCE START 25: 0x00000000 > FENCE END 25: 0x00000000 > FENCE START 26: 0x01d0f003 > FENCE END 26: 0x01d0f000 > FENCE START 27: 0x00000000 > FENCE END 27: 0x00000000 > FENCE START 28: 0x00000000 > FENCE END 28: 0x00000000 > FENCE START 29: 0x00000000 > FENCE END 29: 0x00000000 > FENCE START 30: 0x0081b001 > FENCE END 30: 0x011c503b > FENCE START 31: 0x0aa77001 > FENCE END 31: 0x0b1e703b > GEN6_RP_CONTROL: 0x00000d92 (enabled) > GEN6_RPNSWREQ: 0x1c800000 > GEN6_RP_DOWN_TIMEOUT: 0x000b71b0 > GEN6_RP_INTERRUPT_LIMITS: 0x1e000000 > GEN6_RP_UP_THRESHOLD: 0x000018e7 > GEN6_RP_UP_EI: 0x00001d4c > GEN6_RP_DOWN_EI: 0x00005dc0 > GEN6_RP_IDLE_HYSTERSIS: 0x0000000a > GEN6_RC_STATE: 0x00000000 > GEN6_RC_CONTROL: 0x88040000 > GEN6_RC1_WAKE_RATE_LIMIT: 0x03e80000 > GEN6_RC6_WAKE_RATE_LIMIT: 0x006c0000 > GEN6_RC_EVALUATION_INTERVAL: 0x0001e848 > GEN6_RC_IDLE_HYSTERSIS: 0x00000019 > GEN6_RC_SLEEP: 0x00000000 > GEN6_RC1e_THRESHOLD: 0x00000000 > GEN6_RC6_THRESHOLD: 0x0000927c > GEN6_RC_VIDEO_FREQ: 0x09000000 > GEN6_PMIER: 0x00000000 > GEN6_PMIMR: 0x00000000 > GEN6_PMINTRMSK: 0x00003f8e > > I also got a warning: > > [ 1754.735243] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] > *ERROR* CPU pipe A FIFO underrun > [ 2008.331235] snd_hda_intel 0000:00:1f.3: azx_get_response timeout, > switching to polling mode: last cmd=0x001f0500 > [ 2075.075871] ------------[ cut here ]------------ > [ 2075.075946] WARNING: CPU: 0 PID: 0 at > drivers/gpu/drm/i915/intel_uncore.c:599 > hsw_unclaimed_reg_debug+0x69/0x90 [i915]() > [ 2075.075953] Unclaimed register detected before writing to register 0x44324 > [ 2075.075957] Modules linked in: rfcomm fuse ccm cmac xt_CHECKSUM > ipt_MASQUERADE nf_nat_masquerade_ipv4 tun nf_conntrack_netbios_ns > nf_conntrack_broadcast ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 > xt_conntrack ebtable_broute bridge stp llc ebtable_filter ebtable_nat > ebtables ip6table_security ip6table_raw ip6table_nat nf_conntrack_ipv6 > nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_filter ip6_tables > iptable_security iptable_raw iptable_nat nf_conntrack_ipv4 > nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle arc4 > bnep iwlmvm mac80211 snd_hda_codec_hdmi snd_hda_codec_realtek > snd_hda_codec_generic snd_hda_intel snd_hda_codec hid_multitouch > snd_hwdep intel_rapl snd_hda_core x86_pkg_temp_thermal iwlwifi > coretemp kvm_intel snd_seq kvm uvcvideo snd_seq_device > videobuf2_vmalloc snd_pcm videobuf2_memops > [ 2075.076068] videobuf2_v4l2 videobuf2_core btusb cfg80211 > i2c_designware_platform i2c_designware_core btrtl wmi_mof videodev > dell_wmi dell_laptop btbcm btintel snd_timer bluetooth dell_smbios > vfat fat dcdbas irqbypass snd efi_pstore ghash_clmulni_intel > rtsx_pci_ms memstick joydev media pcspkr efivars shpchp soundcore > i2c_i801 mei_me rfkill mei processor_thermal_device idma64 virt_dma > intel_soc_dts_iosf intel_lpss_pci wmi acpi_als pinctrl_sunrisepoint > nfsd pinctrl_intel intel_lpss_acpi intel_lpss kfifo_buf > int3403_thermal int340x_thermal_zone int3400_thermal intel_hid > acpi_pad acpi_thermal_rel sparse_keymap industrialio tpm_tis tpm > auth_rpcgss nfs_acl lockd binfmt_misc grace sunrpc dm_crypt i915 > i2c_algo_bit drm_kms_helper syscopyarea rtsx_pci_sdmmc sysfillrect > mmc_core sysimgblt fb_sys_fops drm crct10dif_pclmul > [ 2075.076192] crc32_pclmul crc32c_intel serio_raw rtsx_pci i2c_hid video > [ 2075.076210] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.5.0-rc3-acpi+ #58 > [ 2075.076215] Hardware name: Dell Inc. XPS 13 9350/07TYC2, BIOS 1.1.9 > 12/18/2015 > [ 2075.076220] 0000000000000086 582d5957df170645 ffff880280c03c78 > ffffffff81449b73 > [ 2075.076230] ffff880280c03cc0 ffffffffa01ea510 ffff880280c03cb0 > ffffffff81094252 > [ 2075.076240] ffff88026eb00000 0000000000044324 ffff88026eb00000 > 00000000ffffff9f > [ 2075.076250] Call Trace: > [ 2075.076254] <IRQ> [<ffffffff81449b73>] dump_stack+0x65/0x92 > [ 2075.076276] [<ffffffff81094252>] warn_slowpath_common+0x82/0xc0 > [ 2075.076285] [<ffffffff810942ec>] warn_slowpath_fmt+0x5c/0x80 > [ 2075.076345] [<ffffffffa0161499>] hsw_unclaimed_reg_debug+0x69/0x90 [i915] > [ 2075.076399] [<ffffffffa016474e>] gen9_write32+0x6e/0x390 [i915] > [ 2075.076408] [<ffffffff8185705e>] ? _raw_spin_unlock+0xe/0x10 > [ 2075.076433] [<ffffffffa010df09>] snb_update_pm_irq+0x69/0xc0 [i915] > [ 2075.076457] [<ffffffffa01123c9>] gen6_disable_pm_irq+0x19/0x40 [i915] > [ 2075.076480] [<ffffffffa0112461>] gen6_rps_irq_handler+0x71/0xe0 [i915] > [ 2075.076503] [<ffffffffa01131e3>] gen8_gt_irq_handler+0x183/0x250 [i915] > [ 2075.076526] [<ffffffffa0113362>] gen8_irq_handler+0xb2/0x6e0 [i915] > [ 2075.076533] [<ffffffff818571a0>] ? _raw_spin_unlock_irqrestore+0x20/0x40 > [ 2075.076539] [<ffffffff81857036>] ? _raw_write_unlock+0x16/0x30 > [ 2075.076547] [<ffffffff810ed861>] handle_irq_event_percpu+0x41/0x1c0 > [ 2075.076553] [<ffffffff810eda19>] handle_irq_event+0x39/0x60 > [ 2075.076563] [<ffffffff810f0ee0>] handle_edge_irq+0x90/0x150 > [ 2075.076578] [<ffffffff81007e3d>] handle_irq+0xad/0x180 > [ 2075.076584] [<ffffffff8185a0a7>] do_IRQ+0x57/0xf0 > [ 2075.076591] [<ffffffff8185820c>] common_interrupt+0x8c/0x8c > [ 2075.076594] <EOI> [<ffffffff816ea3b3>] ? cpuidle_enter_state+0x143/0x2d0 > [ 2075.076610] [<ffffffff816ea38e>] ? cpuidle_enter_state+0x11e/0x2d0 > [ 2075.076618] [<ffffffff816ea577>] cpuidle_enter+0x17/0x20 > [ 2075.076624] [<ffffffff810d747a>] call_cpuidle+0x2a/0x40 > [ 2075.076628] [<ffffffff810d7863>] cpu_startup_entry+0x2a3/0x360 > [ 2075.076636] [<ffffffff8184b9c9>] rest_init+0x89/0x90 > [ 2075.076644] [<ffffffff81f7a00b>] start_kernel+0x49e/0x4bf > [ 2075.076649] [<ffffffff81f79120>] ? early_idt_handler_array+0x120/0x120 > [ 2075.076655] [<ffffffff81f79323>] x86_64_start_reservations+0x38/0x3a > [ 2075.076660] [<ffffffff81f7946f>] x86_64_start_kernel+0x14a/0x16d > [ 2075.076665] ---[ end trace e32fa236041dc22e ]--- > > --Andy > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
