New Pinebook 14'' does not boot from sd card

[pfeerick]

Can you please benvhmark that samsung evo card using hdparm -t?

Samsung EVO 32GB, with no changes to performance governor, etc, on 11" pinebook, Linux pinebook 3.10.105-bsp-1.2-ayufan-65 #1 SMP PREEMPT Mon Jun 5 06:57:47 UTC 2017 aarch64 aarch64 aarch64 GNU/Linux

Code:

sudo hdparm -t /dev/mmcblk1

/dev/mmcblk1:
Timing buffered disk reads:  62 MB in  3.03 seconds =  20.45 MB/sec

Code:

sudo iozone -e -I -a -s 100M -r 4k -r 16k -r 512k -r 1024k -r 16384k -i 0 -i 1 -i 2
    Run began: Wed Jul  5 03:34:10 2017

    Include fsync in write timing
    O_DIRECT feature enabled
    Auto Mode
    File size set to 102400 kB
    Record Size 4 kB
    Record Size 16 kB
    Record Size 512 kB
    Record Size 1024 kB
    Record Size 16384 kB
    Command line used: iozone -e -I -a -s 100M -r 4k -r 16k -r 512k -r 1024k -r 16384k -i 0 -i 1 -i 2
    Output is in kBytes/sec
    Time Resolution = 0.000001 seconds.
    Processor cache size set to 1024 kBytes.
    Processor cache line size set to 32 bytes.
    File stride size set to 17 * record size.
                                                             random    random     bkwd    record    stride                                    
             kB  reclen    write  rewrite    read    reread    read     write     read   rewrite      read   fwrite frewrite    fread  freread
         102400       4     1119     1820     5943     5938     5940     1825                                                          
         102400      16     8114     5833    13488    13518    13494     5277                                                          
         102400     512    16983    17567    22884    22952    22932    17597                                                          
         102400    1024    16687    16138    22813    22908    22909    17406                                                          
         102400   16384    17214    17546    22695    22765    22806    17541

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My problem has solved. My 128gb Samsung sdxc replaced to an Sandisc 16gb sdhc and it works well.

Glad you got it working!