usb msc host example error

[f1andrew]

Hello, I'm using esp32 arduino core v2.0.11 and ESP32S2 board. When I'm trying usb msc host example I'm getting next error:

18:53:52.766 -> entry 0x4004c18c
18:53:53.299 -> [   991][I][msc.ino:86] client_event_callback(): [] device speed: USB_SPEED_FULL, device address: 1, max ep_ctrl size: 64, config: 1
18:53:53.299 -> EP num: 1/2, len: 32, address: 0x81, EP max size: 64, dir: IN
18:53:53.299 -> EP num: 2/2, len: 32, address: 0x02, EP max size: 64, dir: OUT
18:53:53.299 -> capacity_cb: block_size: 512, block_count: 15155199
18:53:53.299 -> inquiry_cb
18:53:53.332 -> [  1021][E][msc.ino:216] write_test(): [] Failed to open file for writing
18:53:53.332 -> [  1026][E][msc.ino:145] read_test(): [TAG] Failed to open file
18:53:53.332 -> [  1031][E][msc.ino:183] read_test(): [TAG] Failed to stat dir : /msc
18:53:53.332 -> [  1036][I][msc.ino:289] setup(): [TEST] storage used: 4610618719054331904/4610618753414070272

[chegewara]

Somehow storage size is detected incorrectly. What is file system on USB device? Maybe its incorrectly formatted?

[f1andrew]

Thanks for response. USB drive is formatted as FAT32 in Windows. When plugged into PC it is correctly recognized as 8Gb flash drive.