event.log

/lib/tty.lua:72: bad argument #1 (number expected, got nil)
stack traceback:
    machine:796: in function <machine:791>
    [C]: in function 'error'
    machine:1033: in function <machine:1030>
    (...tail calls...)
    /lib/core/cursor.lua:125: in method 'echo'
    /lib/core/cursor.lua:245: in function </lib/core/cursor.lua:212>
    [C]: in function 'xpcall'
    machine:791: in global 'xpcall'
    /lib/tty.lua:66: in method 'read'
    /lib/buffer.lua:76: in upvalue 'readChunk'
    /lib/buffer.lua:103: in function </lib/buffer.lua:85>
    (...tail calls...)
    /home/test:554: in upvalue 'replWrite'
    /home/test:739: in field '?'
    /home/test:766: in function </home/test:764>
    [C]: in function 'pcall'
    machine:742: in global 'pcall'
    /lib/event.lua:72: in field 'pullSignal'
    /lib/event.lua:144: in function </lib/event.lua:130>
    (...tail calls...)
    boot/02_os.lua:29: in field 'sleep'
    /home/test:842: in main chunk
    (...tail calls...)
    [C]: in function 'xpcall'
    machine:791: in global 'xpcall'
    /lib/process.lua:63: in function </lib/process.lua:59>
/lib/tty.lua:72: bad argument #1 (number expected, got nil)
stack traceback:
    machine:796: in function <machine:791>
    [C]: in function 'error'
    machine:1033: in function <machine:1030>
    (...tail calls...)
    /lib/core/cursor.lua:125: in method 'echo'
    /lib/core/cursor.lua:245: in function </lib/core/cursor.lua:212>
    [C]: in function 'xpcall'
    machine:791: in global 'xpcall'
    /lib/tty.lua:66: in method 'read'
    /lib/buffer.lua:76: in upvalue 'readChunk'
    /lib/buffer.lua:103: in function </lib/buffer.lua:85>
    (...tail calls...)
    /home/test:554: in upvalue 'replWrite'
    /home/test:739: in field '?'
    /home/test:766: in function </home/test:764>
    [C]: in function 'pcall'
    machine:742: in global 'pcall'
    /lib/event.lua:72: in field 'pullSignal'
    /lib/event.lua:144: in function </lib/event.lua:130>
    (...tail calls...)
    boot/02_os.lua:29: in field 'sleep'
    /home/test:842: in main chunk
    (...tail calls...)
    [C]: in function 'xpcall'
    machine:791: in global 'xpcall'
    /lib/process.lua:63: in function </lib/process.lua:59>
table: 000000005C7583B0
/lib/tty.lua:72: bad argument #1 (number expected, got nil)
stack traceback:
    machine:796: in function <machine:791>
    [C]: in function 'error'
    machine:1033: in function <machine:1030>
    (...tail calls...)
    /lib/core/cursor.lua:125: in method 'echo'
    /lib/core/cursor.lua:245: in function </lib/core/cursor.lua:212>
    [C]: in function 'xpcall'
    machine:791: in global 'xpcall'
    /lib/tty.lua:66: in method 'read'
    /lib/buffer.lua:76: in upvalue 'readChunk'
    /lib/buffer.lua:103: in function </lib/buffer.lua:85>
    (...tail calls...)
    /home/test:554: in upvalue 'replWrite'
    /home/test:739: in field '?'
    /home/test:766: in function </home/test:764>
    [C]: in function 'pcall'
    machine:742: in global 'pcall'
    /lib/event.lua:72: in field 'pullSignal'
    /lib/event.lua:144: in function </lib/event.lua:130>
    (...tail calls...)
    boot/02_os.lua:29: in field 'sleep'
    /home/test:842: in main chunk
    (...tail calls...)
    [C]: in function 'xpcall'
    machine:791: in global 'xpcall'
    /lib/process.lua:63: in function </lib/process.lua:59>
/lib/tty.lua:72: bad argument #1 (number expected, got nil)
stack traceback:
    machine:796: in function <machine:791>
    [C]: in function 'error'
    machine:1033: in function <machine:1030>
    (...tail calls...)
    /lib/core/cursor.lua:125: in method 'echo'
    /lib/core/cursor.lua:245: in function </lib/core/cursor.lua:212>
    [C]: in function 'xpcall'
    machine:791: in global 'xpcall'
    /lib/tty.lua:66: in method 'read'
    /lib/buffer.lua:76: in upvalue 'readChunk'
    /lib/buffer.lua:103: in function </lib/buffer.lua:85>
    (...tail calls...)
    /home/test:554: in upvalue 'replWrite'
    /home/test:739: in field '?'
    /home/test:766: in function </home/test:764>
    [C]: in function 'pcall'
    machine:742: in global 'pcall'
    /lib/event.lua:72: in field 'pullSignal'
    /lib/event.lua:144: in function </lib/event.lua:130>
    (...tail calls...)
    boot/02_os.lua:29: in field 'sleep'
    /home/test:842: in main chunk
    (...tail calls...)
    [C]: in function 'xpcall'
    machine:791: in global 'xpcall'
    /lib/process.lua:63: in function </lib/process.lua:59>
/lib/tty.lua:72: bad argument #1 (number expected, got nil)
stack traceback:
    machine:796: in function <machine:791>
    [C]: in function 'error'
    machine:1033: in function <machine:1030>
    (...tail calls...)
    /lib/core/cursor.lua:125: in method 'echo'
    /lib/core/cursor.lua:245: in function </lib/core/cursor.lua:212>
    [C]: in function 'xpcall'
    machine:791: in global 'xpcall'
    /lib/tty.lua:66: in method 'read'
    /lib/buffer.lua:76: in upvalue 'readChunk'
    /lib/buffer.lua:103: in function </lib/buffer.lua:85>
    (...tail calls...)
    /home/test:554: in upvalue 'replWrite'
    /home/test:739: in field '?'
    /home/test:766: in function </home/test:764>
    [C]: in function 'pcall'
    machine:742: in global 'pcall'
    /lib/event.lua:72: in field 'pullSignal'
    /lib/event.lua:144: in function </lib/event.lua:130>
    (...tail calls...)
    boot/02_os.lua:29: in field 'sleep'
    /home/test:842: in main chunk
    (...tail calls...)
    [C]: in function 'xpcall'
    machine:791: in global 'xpcall'
    /lib/process.lua:63: in function </lib/process.lua:59>