I'm using the USB MBC example with ESP-IDF 4.4.1.
During/after Uninstall the following Exception appears:
Code: Select all
Device info:
Capacity: 959 MB
Sector size: 512
Sector count: 1966079
PID: 0x1234
VID: 0xABCD
iProduct: UDisk
iManufacturer: General
iSerialNumber:
I (2259) USB: Writing file
I (2279) USB: Reading file
I (2279) USB: Read from file: 'Hello World!'
I (2279) USB: Unregister
I (2279) USB: Uninstall device
I (2329) USB: Uninstall host
Guru Meditation Error: Core 1 panic'ed (LoadProhibited). Exception was unhandled.
Core 1 register dump:
PC : 0x42014c89 PS : 0x00060033 A0 : 0x82013fa9 A1 : 0x3fc96a70
0x42014c89: root_port_callback at /home/tk/esp/esp-idf/components/usb/hub.c:703
A2 : 0x3fcaf050 A3 : 0x00000002 A4 : 0x00000000 A5 : 0x00000001
A6 : 0x3fc99f0c A7 : 0x3fcf5180 A8 : 0x3fc9a404 A9 : 0x00000000
A10 : 0x00000001 A11 : 0x3fc99f0c A12 : 0x00060021 A13 : 0x00060023
A14 : 0x00060923 A15 : 0x00000000 SAR : 0x00000016 EXCCAUSE: 0x0000001c
EXCVADDR: 0x00000000 LBEG : 0x00000000 LEND : 0x00000000 LCOUNT : 0x00000000
Backtrace:0x42014c86:0x3fc96a700x42013fa6:0x3fc96a90 0x40376e1e:0x3fc96ac0 0x4209d167:0x3fcf51b0 0x42003da6:0x3fcf51d0 0x4037dc61:0x3fcf51f0 0x4037f8e9:0x3fcf5210
0x42014c86: root_port_callback at /home/user/esp/esp-idf/components/usb/hub.c:703
0x42013fa6: intr_hdlr_main at /home/user/esp/esp-idf/components/usb/hcd.c:946
0x40376e1e: _xt_lowint1 at /home/user/esp/esp-idf/components/freertos/port/xtensa/xtensa_vectors.S:1111
0x4209d167: cpu_ll_waiti at /home/user/esp/esp-idf/components/hal/esp32s3/include/hal/cpu_ll.h:182
(inlined by) esp_pm_impl_waiti at /home/user/esp/esp-idf/components/esp_pm/pm_impl.c:837
0x42003da6: esp_vApplicationIdleHook at /home/user/esp/esp-idf/components/esp_system/freertos_hooks.c:63
0x4037dc61: prvIdleTask at /home/user/esp/esp-idf/components/freertos/tasks.c:3973 (discriminator 1)
0x4037f8e9: vPortTaskWrapper at /home/user/esp/esp-idf/components/freertos/port/xtensa/port.c:131
Regards