# ping www.163.com
PING www.163.com (183.47.233.12): 56 data bytes
64 bytes from 183.47.233.12: seq=0 ttl=47 time=42.783 ms
64 bytes from 183.47.233.12: seq=1 ttl=46 time=47.374 ms
64 bytes from 183.47.233.12: seq=2 ttl=47 time=45.310 ms
64 bytes from 183.47.233.12: seq=3 ttl=46 time=58.623 ms
64 bytes from 183.47.233.12: seq=4 ttl=46 time=51.602 ms
[ 25.798286] brcmfmac: brcmf_sdio_bus_sleep: error while changing bus sleep state -110
[ 25.806257] sunxi-mmc 1c10000.mmc: data error, sending stop command
[ 25.812528] sunxi-mmc 1c10000.mmc: send stop command failed
[ 25.818882] brcmfmac: brcmf_sdio_txfail: sdio error, abort command and terminate frame
[ 25.831074] brcmfmac: brcmf_sdiod_regrw_helper: failed to write data F1@0x1000d, err: -110
[ 25.843893] brcmfmac: brcmf_sdiod_regrw_helper: failed to read data F1@0x1001a, err: -110
[ 25.855605] brcmfmac: brcmf_sdiod_regrw_helper: failed to read data F1@0x10019, err: -110
[ 25.867632] brcmfmac: brcmf_sdiod_regrw_helper: failed to read data F1@0x1001a, err: -110
[ 25.879965] brcmfmac: brcmf_sdiod_regrw_helper: failed to read data F1@0x10019, err: -110
[ 25.892604] brcmfmac: brcmf_sdiod_regrw_helper: failed to read data F1@0x1001a, err: -110
[ 25.904928] brcmfmac: brcmf_sdiod_regrw_helper: failed to read data F1@0x10019, err: -110
[ 26.798518] brcmfmac: brcmf_sdio_bus_sleep: error while changing bus sleep state -110
[ 26.806480] sunxi-mmc 1c10000.mmc: data error, sending stop command
[ 26.812753] sunxi-mmc 1c10000.mmc: send stop command failed
[ 26.819020] brcmfmac: brcmf_sdio_txfail: sdio error, abort command and terminate frame
[ 26.831204] brcmfmac: brcmf_sdiod_regrw_helper: failed to write data F1@0x1000d, err: -110
[ 26.844023] brcmfmac: brcmf_sdiod_regrw_helper: failed to read data F1@0x1001a, err: -110
[ 26.856414] brcmfmac: brcmf_sdiod_regrw_helper: failed to read data F1@0x10019, err: -110
[ 26.868714] brcmfmac: brcmf_sdiod_regrw_helper: failed to read data F1@0x1001a, err: -110
[ 26.881046] brcmfmac: brcmf_sdiod_regrw_helper: failed to read data F1@0x10019, err: -110
[ 26.893678] brcmfmac: brcmf_sdiod_regrw_helper: failed to read data F1@0x1001a, err: -110
[ 26.905579] brcmfmac: brcmf_sdiod_regrw_helper: failed to read data F1@0x10019, err: -110
[ 27.798723] brcmfmac: brcmf_sdio_bus_sleep: error while changing bus sleep state -110
[ 27.806688] sunxi-mmc 1c10000.mmc: data error, sending stop command
[ 27.812960] sunxi-mmc 1c10000.mmc: send stop command failed
[ 27.819195] brcmfmac: brcmf_sdio_txfail: sdio error, abort command and terminate frame
[ 27.831384] brcmfmac: brcmf_sdiod_regrw_helper: failed to write data F1@0x1000d, err: -110
[ 27.844183] brcmfmac: brcmf_sdiod_regrw_helper: failed to read data F1@0x1001a, err: -110
[ 27.856577] brcmfmac: brcmf_sdiod_regrw_helper: failed to read data F1@0x10019, err: -110
[ 27.868875] brcmfmac: brcmf_sdiod_regrw_helper: failed to read data F1@0x1001a, err: -110
[ 27.881207] brcmfmac: brcmf_sdiod_regrw_helper: failed to read data F1@0x10019, err: -110
[ 27.893841] brcmfmac: brcmf_sdiod_regrw_helper: failed to read data F1@0x1001a, err: -110
[ 27.905578] brcmfmac: brcmf_sdiod_regrw_helper: failed to read data F1@0x10019, err: -110
貌似一个关于休眠/复位的错误, https://lore.kernel.org/patchwork/patch/1035997/
因为 TF 座上面没有多余的IO口,所以复位/休眠相关 IO 全部直接硬 上/下拉了。
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