When i connect USB flash to board, sometimes it doesn’t show in /dev/ .
dmesg output:
[ 19.398984] USB QCMAP NL IOCTL Snd GETNEIGH Succ
[ 19.415355] QCMAP:Start Main
[ 19.453920] USB QCMAP NL IOCTL Snd GETNEIGH Succ
[ 19.545707] QCMAP:Start DHCP server
[ 19.557725] QCMAP:DHCP server started
[ 19.806623] QCMAP:Init Complete
[ 19.851113] USB QCMAP NL IOCTL Snd GETNEIGH Succ
[ 23.397277] sps:BAM 0x04044000 is registered.
[ 23.397544] sps:BAM 0x04044000 (va:0xd1820000) enabled: ver:0x27, number of pipes:6
[ 24.181201] PSM: DMS Ind register - result: 0, error: 0
[ 24.181909] PSM: Oprt mode event report req qmi response - result: 0, error: 0
[ 24.182532] PSM: result - 0 error - 0
[ 24.182584] PSM: Modem oprt mode - 0
[ 24.183799] PSM: backup_nv_path /data/psm/psm_nv_backup.txt
[ 24.187264] PSM: Supported: 0
[ 24.187334] PSM: Log and QMI Init completed
[ 24.187374] PSM: Supported: 0
[ 24.187623] PSM: Core server init completed
[ 24.187964] PSM: Client and event thread created
[ 24.827999] gpio_check_and_wake: wake-n_gpio26 STATE=WAKEUP
[ 24.833475] swimcu_calibrate_event_handle: MCU calibrate completed with remaining time 0
[ 24.833500] swimcu_lpo_calibrate_calc: MCU time=25000 vs MDM time=24402
[ 24.833518] gpio_check_and_wake: wake-n_gpio26 STATE=SLEEP
[ 31.581249] usb 1-1: device descriptor read/64, error -110
[ 31.811255] usb 1-1: new high-speed USB device number 3 using msm_hsic_host
[ 46.991241] usb 1-1: device descriptor read/64, error -110
[ 62.281241] usb 1-1: device descriptor read/64, error -110
[ 62.511251] usb 1-1: new high-speed USB device number 4 using msm_hsic_host
[ 72.971251] usb 1-1: device not accepting address 4, error -110
[ 73.090779] usb 1-1: new high-speed USB device number 5 using msm_hsic_host
[ 83.551236] usb 1-1: device not accepting address 5, error -110
[ 83.551479] usb usb1-port1: unable to enumerate USB device
[ 83.552259] msm_hsic_host 7c00000.hsic_host: HSIC-USB in low power mode
[ 110.736727] sh (1643) used greatest stack depth: 4468 bytes left
[ 121.121195] sierra_startup_monitor
Also it isn’t recognized after I type reboot , but when I power off my board and power it back on it is recognized and shown as /dev/sda1.
Anybody has any idea why?
Thanks