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Subject[tegra186]: emmc resume errors after booting from suspend
Hi,

I am trying to verify suspend-to-disk on jetson-tx2 board (nvidia tegra186).
Suspend is working fine, but during resume emmc is failing to resume.
Kernel version: 4.4
Repo: https://nv-tegra.nvidia.com/gitweb/?p=linux-4.4.git;a=summary


It returns with:
mmc0: error -110 during resume (card was removed?)

Please see the complete logs below.

I tried to add some prints in mmc driver to check the cause.
It seems that mmc is not responding during resume.
[ 137.125314] mmc_sleep: ERROR: mmc_wait_for_cmd, ret: -110

Do you have any pointers to fix/debug this issue?
When I see the linux kernel mainline kernel-4.14 (latest), I could see
that there are some patches in drivers/mmc/core/* which are missing in
jetson tx2 kernel version-4.4.
Do you think any of the latest patches may help to solve this issue?
If yes, can you point to some of relevant once?


Please help.


Thanks,
Pintu

LOGS:
-----------------------------------------------------------
## Booting ...
[ 117.079061] sdhci-tegra 3400000.sdhci: Tuning already done,
restoring the best tap value : 112
[ 117.081179] xhci-tegra 3530000.xhci: exiting ELPG
[ 117.081798] xhci-tegra 3530000.xhci: Firmware timestamp: 2016-09-01
11:32:41 UTC, Version: 55.05 release
[ 117.085202] xhci-tegra 3530000.xhci: exiting ELPG done
[ 117.085204] xhci-tegra 3530000.xhci: entering ELPG
[ 117.087770] xhci-tegra 3530000.xhci: entering ELPG done
[ 117.087775] Wake76 for irq=199
[ 117.087777] Wake77 for irq=199
[ 117.087778] Wake78 for irq=199
[ 117.087779] Wake79 for irq=199
[ 117.087780] Wake80 for irq=199
[ 117.087781] Wake81 for irq=199
[ 117.087782] Wake82 for irq=199
[ 117.087784] Enabling wake76
[ 117.087785] Enabling wake77
[ 117.087786] Enabling wake78
[ 117.087787] Enabling wake79
[ 117.087788] Enabling wake80
[ 117.087789] Enabling wake81
[ 117.087790] Enabling wake82
[ 117.087891] tegra186-cam-rtcpu b000000.rtcpu: sce gets halted
[ 117.090012] Wake24 for irq=241
[ 117.090015] Enabling wake24
[ 117.090598] nct1008_nct72 7-004c: success in disabling tmp451 VDD rail
[ 117.090654] gpio tegra-gpio-aon wake29 for gpio=56(FF:0)
[ 117.090655] Enabling wake29
[ 117.090774] gpio tegra-gpio wake53 for gpio=159(X:5)
[ 117.090775] Enabling wake53
[ 117.111219] tegradc 15210000.nvdisplay: suspend
[ 117.111422] Wake73 for irq=42
[ 117.111424] Enabling wake73
[ 117.111597] bcm54xx_low_power_mode(): put phy in iddq-lp mode
[ 117.113533] gpio tegra-gpio wake71 for gpio=125(P:6)
[ 117.113535] Enabling wake71
[ 117.113632] PM: suspend of devices complete after 34.680 msecs
[ 117.114829] host1x 13e10000.host1x: suspended
[ 117.114898] PM: late suspend of devices complete after 1.262 msecs
[ 117.133746] PM: noirq suspend of devices complete after 18.841 msecs
[ 117.133971] Disabling non-boot CPUs ...
[ 117.134249] CPU3: shutdown
[ 117.148582] psci: Retrying again to check for CPU kill
[ 117.148586] psci: CPU3 killed.
[ 117.149097] CPU4: shutdown
[ 117.164584] psci: Retrying again to check for CPU kill
[ 117.164589] psci: CPU4 killed.
[ 117.165041] CPU5: shutdown
[ 117.180572] psci: Retrying again to check for CPU kill
[ 117.180576] psci: CPU5 killed.
[ 117.180834] Entered SC7
[ 117.180834] Wake[31-0] level=0x40000000
[ 117.180834] Wake[63-32] level=0x0
[ 117.180834] Wake[95-64] level=0x7f2a0
[ 117.180834] Wake[31-0] enable=0x21000000
[ 117.180834] Wake[63-32] enable=0x200000
[ 117.180834] Wake[95-64] enable=0x7f280
[ 117.180834] Wake[31-0] route=0x21000000
[ 117.180834] Wake[63-32] route=0x200000
[ 117.180834] Wake[95-64] route=0x7f280
----
[ 117.180834] Wake[32:0] status=0x0
[ 117.180834] Wake[64:32] status=0x0
[ 117.180834] Wake[96:64] status=0x0
[ 117.180834] Exited SC7
[ 117.180834] bpmp: waiting for handshake
[ 117.180834] bpmp: synchronizing channels
[ 117.180834] bpmp: channels synchronized
[ 117.180869] Enabling non-boot CPUs ...
[ 117.181067] CPU3: Booted secondary processor [411fd073]
[ 117.181198] CPU3 is up
[ 117.181353] CPU4: Booted secondary processor [411fd073]
[ 117.181455] CPU4 is up
[ 117.181609] CPU5: Booted secondary processor [411fd073]
[ 117.181721] CPU5 is up
[ 117.182740] xhci-tegra 3530000.xhci: exiting ELPG
[ 117.183221] xhci-tegra 3530000.xhci: Firmware timestamp: 2016-09-01
11:32:41 UTC, Version: 55.05 release
[ 117.381630] xhci-tegra 3530000.xhci: XHCI Controller not ready.
Falcon state: 0x10
[ 117.381633] xhci-tegra 3530000.xhci: exiting ELPG failed
[ 117.381643] dpm_run_callback(): tegra_xhci_resume_noirq+0x0/0x48 returns -14
[ 117.381653] PM: Device 3530000.xhci failed to resume noirq: error -14
[ 117.381724] PM: noirq resume of devices complete after 199.999 msecs
[ 117.383100] PM: early resume of devices complete after 1.236 msecs
[ 117.390964] gpio tegra-gpio wake71 for gpio=125(P:6)
[ 117.390966] Disabling wake71
[ 117.392317] pad_id 26: PMC_IMPL_E_33V_PWR_0 = [0x79]
[ 117.392317] sdhci-tegra 3400000.sdhci: Tuning already done,
restoring the best tap value : 112
[ 117.392380] sdhci-tegra 3400000.sdhci: Tuning already done,
restoring the best tap value : 112
[ 117.393492] skipping ...
[ 117.393495] skipping ...
[ 117.393496] skipping ...
[ 117.393498] skipping ...
[ 117.393499] skipping ...
[ 117.393510] skipping ...
[ 117.393511] skipping ...
[ 117.393512] skipping ...
[ 117.461448] gpio tegra-gpio wake18 for gpio=101(M:3)
[ 117.461611] Wake73 for irq=42
[ 117.461613] Disabling wake73
[ 117.461636] tegradc 15210000.nvdisplay: resume
[ 117.461640] PD DISP0 index2 UP
[ 117.462067] PD DISP1 index3 UP
[ 117.462156] PD DISP2 index4 UP
[ 117.468176] gk20a 17000000.gp10b: gk20a_init_fifo_setup_hw: bar1
broken @ gk20a: CPU wrote 0x33, GPU read 0xbad0ac05
[ 117.468179] gk20a 17000000.gp10b: gk20a_pm_finalize_poweron: failed
to init gk20a fifo
[ 117.481847] dpm_run_callback(): platform_pm_resume+0x0/0x58 returns -22
[ 117.481850] PM: Device 17000000.gp10b failed to resume: error -22
[ 117.484872] gpio tegra-gpio wake53 for gpio=159(X:5)
[ 117.484874] Disabling wake53
[ 117.486434] extcon-gpio-states external-connection:extcon@1: Cable state 0
[ 117.486544] pwm_fan_driver pwm-fan: Enabled vdd-fan
[ 117.486646] gpio tegra-gpio-aon wake29 for gpio=56(FF:0)
[ 117.486647] Disabling wake29
[ 117.487977] nct1008_nct72 7-004c: success in enabling tmp451 VDD rail
[ 117.487982] nct1008_nct72 7-004c: nct1008_read_reg: err -16
[ 117.487985] nct1008_nct72 7-004c: nct1008_write_reg: err -16
[ 117.487988] nct1008_nct72 7-004c:
[ 117.487988] exit nct1008_configure_sensor, err=-16
[ 117.487990] nct1008_nct72 7-004c: nct1008_write_reg: err -16
[ 117.487993] nct1008_nct72 7-004c: nct1008_enable, line=1174, i2c
write error=-16
[ 117.487996] nct1008_nct72 7-004c: Error: nct1008_resume_powerdown, error=-16
[ 117.488004] dpm_run_callback(): nct1008_resume+0x0/0x140 returns -16
[ 117.488006] PM: Device 7-004c failed to resume: error -16
[ 117.540893] Wake24 for irq=241
[ 117.540895] Disabling wake24
[ 117.541684] tegra-xudc-new 3550000.xudc: exiting ELPG
[ 117.542833] tegra-xudc-new 3550000.xudc: exiting ELPG done
[ 117.543777] tegra186-cam-rtcpu b000000.rtcpu: booting sce with Camera RTCPU FW
[ 117.543781] tegra186-cam-rtcpu b000000.rtcpu: sce gets unhalted
[ 117.543825] tegra186-cam-rtcpu b000000.rtcpu: enabling tracing
[ 117.543872] xhci-tegra 3530000.xhci: exiting ELPG
[ 117.544128] xhci-tegra 3530000.xhci: Firmware already loaded, Falcon
state 0x10
[ 118.044718] xhci-tegra 3530000.xhci: exiting ELPG done
[ 118.044733] Wake76 for irq=199
[ 118.044735] Wake77 for irq=199
[ 118.044736] Wake78 for irq=199
[ 118.044737] Wake79 for irq=199
[ 118.044738] Wake80 for irq=199
[ 118.044739] Wake81 for irq=199
[ 118.044740] Wake82 for irq=199
[ 118.044742] Disabling wake76
[ 118.044743] Disabling wake77
[ 118.044744] Disabling wake78
[ 118.044745] Disabling wake79
[ 118.044746] Disabling wake80
[ 118.044747] Disabling wake81
[ 118.044748] Disabling wake82
[ 118.044783] pwm_fan_driver pwm-fan: Disabled vdd-fan
[ 118.044784] _mmc_resume: [PINTU]: Enter
[ 118.044787] _mmc_resume: [PINTU]: mmc_card_in_sleep
[ 118.044821] _mmc_resume: [PINTU]: Done
[ 118.044824] mmc0: error -110 during resume (card was removed?)
[ 118.234270] pad_id 26: PMC_IMPL_E_33V_PWR_0 = [0x79]
[ 118.258208] pad_id 26: PMC_IMPL_E_33V_PWR_0 = [0x69]
[ 118.258208] sdhci-tegra 3400000.sdhci: Tuning already done,
restoring the best tap value : 112
[ 120.496556] tegra-hda 3510000.hda: azx_get_response timeout,
switching to polling mode: last cmd=0x30170500
[ 121.500555] tegra-hda 3510000.hda: azx_get_response timeout,
switching to single_cmd mode: last cmd=0x30170500
[ 121.501139] PM: resume of devices complete after 4118.033 msecs
[ 121.517871] eqos 2490000.ether_qos eth0: Link is Up - 100Mbps/Full -
flow control rx/tx
--
[ 122.335653] Restarting tasks ...
[ 122.339023] tegra-xudc-new 3550000.xudc: entering ELPG
[ 122.345787] xhci-tegra 3530000.xhci: entering ELPG
[ 122.347145] tegra-xudc-new 3550000.xudc: entering ELPG done
[ 122.347558] nct1008_nct72 7-004c: nct1008_read_reg: err -16
[ 122.347561] thermal thermal_zone5: failed to read out thermal zone (-1)
[ 122.347565] nct1008_nct72 7-004c: nct1008_read_reg: err -16
[ 122.347568] thermal thermal_zone6: failed to read out thermal zone (-1)
[ 122.385092] PM: suspend exit 2016-05-06 05:42:04.775600032 UTC
[ 122.386487] xhci-tegra 3530000.xhci: entering ELPG done
[ 124.605296] mmcblk0: error -110 sending status command, retrying
[ 124.613771] mmcblk0: error -110 sending status command, retrying
[ 124.622175] mmcblk0: error -110 sending status command, aborting
[ 124.631538] mmc_reset: [PINTU]: Enter
[ 124.638572] blk_update_request: I/O error, dev mmcblk0, sector 59745989
[ 124.648740] blk_update_request: I/O error, dev mmcblk0, sector 59745990
[ 124.658768] blk_update_request: I/O error, dev mmcblk0, sector 59745991
[ 124.668689] blk_update_request: I/O error, dev mmcblk0, sector 59745992
[ 124.678609] blk_update_request: I/O error, dev mmcblk0, sector 59745993
[ 124.688666] mmcblk0: error -110 sending status command, retrying
[ 124.697840] mmcblk0: error -110 sending status command, retrying
[ 124.706903] mmcblk0: error -110 sending status command, aborting
[ 124.715858] blk_update_request: I/O error, dev mmcblk0, sector 59745994
[ 124.725339] blk_update_request: I/O error, dev mmcblk0, sector 59745995
[ 124.734690] blk_update_request: I/O error, dev mmcblk0, sector 59745996
[ 124.743936] blk_update_request: I/O error, dev mmcblk0, sector 59745997
[ 124.753041] blk_update_request: I/O error, dev mmcblk0, sector 59745998
[ 124.762252] mmcblk0: error -110 sending status command, retrying
[ 124.770656] mmcblk0: error -110 sending status command, retrying
[ 124.778977] mmcblk0: error -110 sending status command, aborting
[ 124.789002] mmcblk0: error -110 sending status command, retrying
[ 124.797177] mmcblk0: error -110 sending status command, retrying
[ 124.805285] mmcblk0: error -110 sending status command, aborting
[ 124.814281] mmcblk0: error -110 sending status command, retrying
[ 124.822247] mmcblk0: error -110 sending status command, retrying
[ 124.830092] mmcblk0: error -110 sending status command, aborting
[ 124.837840] FAT-fs (mmcblk0p17): FAT read failed (blocknr 32)

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