beep example: bad file descriptor

[djadala]

Hi,
if i change duration in cmd/beep to 10 seconds,
at around 3-4 seconds playing i receive error:

go run test.go
2020/11/27 11:07:37 start
HDA Intel PCH
─── ALC255 Analog
Negotiated parameters: 2 channels, 44100 hz, S16_LE, 2048 period size, 4096 buffer size
Closing device.
2020/11/27 11:07:40 ioctl write (24 bytes) 0x4150 failed: bad file descriptor
error when beeping device: ioctl write (24 bytes) 0x4150 failed: bad file descriptor
─── HDMI 0
Negotiated parameters: 2 channels, 44100 hz, S16_LE, 2048 period size, 4096 buffer size
Closing device.
2020/11/27 11:07:44 ioctl write (24 bytes) 0x4150 failed: bad file descriptor
error when beeping device: ioctl write (24 bytes) 0x4150 failed: bad file descriptor

log lines show timing of errors

[djadala]

sorry for noise, just found that timing constants are at multiple locations in source.
closing now