D1s 根目录系统无法进入

[yuwei]

D1s 根目录系统无法进入 ，不知道什么情况，有没有大佬帮助一下，用的tina v 2.0

[yuwei]

[AUDIOCODEC][sunxi_codec_parse_params][2448]:adcdrc_cfg:0, adchpf_cfg:1, dacdrc_cfg:0, dachpf:0
[AUDIOCODEC][sunxi_internal_codec_probe][2609]:codec probe finished
sunxi-mmc 4021000.sdmmc: sdc set ios:clk 400000Hz bm PP pm ON vdd 21 width 1 timing LEGACY(SDR12) dt B
sid_rd_ver_reg()254 - ver >= 4, soc ver:5
[SNDCODEC][sunxi_card_init][583]:card init finished
sunxi-mmc 4021000.sdmmc: card claims to support voltages below defined range
sunxi-codec-machine 2030340.sound: 2030000.codec <-> 203034c.dummy_cpudai mapping ok
input: audiocodec sunxi Audio Jack as /devices/platform/soc@3000000/2030340.sound/sound/card0/input0
[SNDCODEC][sunxi_card_dev_probe][836]:register card finished
NET: Registered protocol family 10
Segment Routing with IPv6
[SNDCODEC][sunxi_hs_init_work][259]:resume-->report switch
NET: Registered protocol family 17
sunxi-mmc 4021000.sdmmc: sdc set ios:clk 400000Hz bm PP pm ON vdd 21 width 1 timing SD-HS(SDR25) dt B
sunxi-mmc 4021000.sdmmc: sdc set ios:clk 50000000Hz bm PP pm ON vdd 21 width 1 timing SD-HS(SDR25) dt B
sunxi-i2c sunxi-i2c2: sunxi-i2c2 supply twi not found, using dummy regulator
sunxi-mmc 4021000.sdmmc: sdc set ios:clk 50000000Hz bm PP pm ON vdd 21 width 4 timing SD-HS(SDR25) dt B
sunxi-i2c sunxi-i2c2: probe success
mmc0: new high speed SDIO card at address 0001
sun8iw20-pinctrl 2000000.pinctrl: pin PF2 already requested by 2500000.uart; cannot claim for 4020000.sdmmc
sun8iw20-pinctrl 2000000.pinctrl: pin-162 (4020000.sdmmc) status -22
sun8iw20-pinctrl 2000000.pinctrl: could not request pin 162 (PF2) from group PF2 on device 2000000.pinctrl
sunxi-mmc 4020000.sdmmc: Error applying setting, reverse things back
sunxi-mmc: probe of 4020000.sdmmc failed with error -22
sun8iw20-pinctrl 2000000.pinctrl: 2000000.pinctrl supply vcc-pb not found, using dummy regulator
get ehci0-controller wakeup-source is fail.
sunxi ehci0-controller don't init wakeup source
[sunxi-ehci0]: probe, pdev->name: 4101000.ehci0-controller, sunxi_ehci: 0xffffffe00068b0e0, 0x:ffffffd0040f2000, irq_no:2e
[sunxi-ehci0]: Not init ehci0
get ohci0-controller wakeup-source is fail.
sunxi ohci0-controller don't init wakeup source
[sunxi-ohci0]: probe, pdev->name: 4101400.ohci0-controller, sunxi_ohci: 0xffffffe00068b4a8
[sunxi-ohci0]: Not init ohci0
clk: Not disabling unused clocks
ALSA device list:
platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
cfg80211: failed to load regulatory.db
#0: audiocodec
alloc_fd: slot 0 not NULL!
/dev/root: Can't open blockdev
VFS: Cannot open root device "mmcblk0p5" or unknown-block(0,0): error -6
Please append a correct "root=" boot option; here are the available partitions:
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
CPU: 0 PID: 1 Comm: swapper Not tainted 5.4.61 #10
Call Trace:
[<ffffffe00002512c>] walk_stackframe+0x0/0x98
[<ffffffe0000252e4>] show_stack+0x2a/0x34
[<ffffffe000443280>] dump_stack+0x20/0x28
[<ffffffe0000296ec>] panic+0xec/0x272
[<ffffffe000000ef6>] mount_block_root+0x214/0x27a
[<ffffffe000000fe2>] mount_root+0x86/0x90
[<ffffffe000001134>] prepare_namespace+0x148/0x152
[<ffffffe000000b58>] kernel_init_freeable+0x166/0x198
[<ffffffe000453e34>] kernel_init+0x12/0xee
[<ffffffe000023e98>] ret_from_exception+0x0/0xc
---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) ]---

[whycan]

mmc0需要申请PF2，但是PF2别处用了，导致mmc0识别失败。

[yuwei]

@whycan 果然是这个问题谢谢晕哥

[yuwei]

@whycan pf2 被linux 5.4内核 设备树 文件里 串口给占用了，v2.0默认基于哪吒开发板的设备树吧。 我看被用来当串口了