`OS error code 5: Input/output` error on ubuntu

[IanButterworth]

Test errors on master. Ubuntu 18.04. User in the dialout group.

...
/dev/ttyUSB0
    Description:    xxxxxx USB Device - xxxx
    Transport type: SP_TRANSPORT_USB
OS error code 5: Input/output error
Low level API: Error During Test at /home/ian/GitHub/LibSerialPort.jl/test/runtests.jl:31
  Test threw exception
  Expression: test_low_level_api(port, baudrate) == nothing
  From /home/ian/GitHub/LibSerialPort.jl/src/wrap.jl: 141:
  
  libserialport returned SP_ERR_FAIL - Host OS reported a failure.
  Stacktrace:
   [1] error(::String) at ./error.jl:33
   [2] handle_error(::SPReturn, ::String) at /home/ian/GitHub/LibSerialPort.jl/src/wrap.jl:136
   [3] sp_open at /home/ian/GitHub/LibSerialPort.jl/src/wrap.jl:185 [inlined]
   [4] test_low_level_api(::String, ::Vararg{String,N} where N) at /home/ian/GitHub/LibSerialPort.jl/test/test-low-level-api.jl:226
   [5] top-level scope at /home/ian/GitHub/LibSerialPort.jl/test/runtests.jl:31
   [6] top-level scope at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.3/Test/src/Test.jl:1107
   [7] top-level scope at /home/ian/GitHub/LibSerialPort.jl/test/runtests.jl:29
   [8] top-level scope at /buildworker/worker/package_linux64/build/usr/share/julia/stdlib/v1.3/Test/src/Test.jl:1107
   [9] top-level scope at /home/ian/GitHub/LibSerialPort.jl/test/runtests.jl:28
  
...
  
Test Summary:    | Pass  Error  Total
LibSerialPort    |    2      2      4
  Low level API  |    1      1      2
  High level API |    1      1      2
error in running finalizer: ErrorException("From /home/ian/GitHub/LibSerialPort.jl/src/wrap.jl: 141:

libserialport returned SP_ERR_ARG - Function was called with invalid arguments.")
ERROR: LoadError: Some tests did not pass: 2 passed, 0 failed, 2 errored, 0 broken.
in expression starting at /home/ian/GitHub/LibSerialPort.jl/test/runtests.jl:14
ERROR: Package LibSerialPort errored during testing

[ederag]

Same test failures in

Ubuntu 18.10
Julia Version 1.4.0
[a05a14c7] LibSerialPort v0.3.0

Nevertheless, reading the port works:

list_ports()
  /dev/ttyUSB1

port = "/dev/ttyUSB1"

LibSerialPort.open(port, 115200) do s
           #write(s, "input")
           ret =  readuntil(s, '\n', 1.0)  #try to readline with a 1 second timeout
           @show ret
       end
ret = "1527654 310\r\n"
"1527654 310\r\n"

(after uploading the example to an arduino)

Great, thanks for this package !
Please let me know if further diagnostics would be useful.

[mgkuhn]

Since there have been significant changes since this issue was raised: does it still exist in v0.5.0 or master?

[ederag]

Still OS error code 5: Input/output error, with julia-1.6.1

v0.5.0

(tests) pkg> test LibSerialPort
     Testing LibSerialPort
      Status `/tmp/jl_G2u8mt/Project.toml`
  [a05a14c7] LibSerialPort v0.5.0
  [220460dc] libserialport_jll v0.1.2+0
  [8f399da3] Libdl `@stdlib/Libdl`
  [8dfed614] Test `@stdlib/Test`
      Status `/tmp/jl_G2u8mt/Manifest.toml`
  [a05a14c7] LibSerialPort v0.5.0
  [220460dc] libserialport_jll v0.1.2+0
  [0dad84c5] ArgTools `@stdlib/ArgTools`
  [56f22d72] Artifacts `@stdlib/Artifacts`
  [2a0f44e3] Base64 `@stdlib/Base64`
  [ade2ca70] Dates `@stdlib/Dates`
  [f43a241f] Downloads `@stdlib/Downloads`
  [b77e0a4c] InteractiveUtils `@stdlib/InteractiveUtils`
  [b27032c2] LibCURL `@stdlib/LibCURL`
  [76f85450] LibGit2 `@stdlib/LibGit2`
  [8f399da3] Libdl `@stdlib/Libdl`
  [56ddb016] Logging `@stdlib/Logging`
  [d6f4376e] Markdown `@stdlib/Markdown`
  [ca575930] NetworkOptions `@stdlib/NetworkOptions`
  [44cfe95a] Pkg `@stdlib/Pkg`
  [de0858da] Printf `@stdlib/Printf`
  [3fa0cd96] REPL `@stdlib/REPL`
  [9a3f8284] Random `@stdlib/Random`
  [ea8e919c] SHA `@stdlib/SHA`
  [9e88b42a] Serialization `@stdlib/Serialization`
  [6462fe0b] Sockets `@stdlib/Sockets`
  [fa267f1f] TOML `@stdlib/TOML`
  [a4e569a6] Tar `@stdlib/Tar`
  [8dfed614] Test `@stdlib/Test`
  [cf7118a7] UUIDs `@stdlib/UUIDs`
  [4ec0a83e] Unicode `@stdlib/Unicode`
  [deac9b47] LibCURL_jll `@stdlib/LibCURL_jll`
  [29816b5a] LibSSH2_jll `@stdlib/LibSSH2_jll`
  [c8ffd9c3] MbedTLS_jll `@stdlib/MbedTLS_jll`
  [14a3606d] MozillaCACerts_jll `@stdlib/MozillaCACerts_jll`
  [83775a58] Zlib_jll `@stdlib/Zlib_jll`
  [8e850ede] nghttp2_jll `@stdlib/nghttp2_jll`
  [3f19e933] p7zip_jll `@stdlib/p7zip_jll`
     Testing Running tests...
Usage: test-low-level-api.jl port [baudrate]
Available ports:
/dev/ttyUSB0
        Description:    FT232R USB UART - A800eKOI
        Transport type: SP_TRANSPORT_USB
Usage: test-low-level-api.jl port [baudrate]
Available ports:
/dev/ttyUSB0
        Description:    FT232R USB UART - A800eKOI
        Transport type: SP_TRANSPORT_USB
0
1
1
0.1.1
1
0
1
1:0:1
/dev/ttyUSB0
        Description:    FT232R USB UART - A800eKOI
        Transport type: SP_TRANSPORT_USB
OS error code 5: Input/output error
Low level API: Error During Test at /home/ederag/.julia/packages/LibSerialPort/zyrgR/test/runtests.jl:37
  Test threw exception
  Expression: test_low_level_api(port, baudrate) == nothing
  libserialport returned SP_ERR_FAIL - Host OS reported a failure.
  Stacktrace:
   [1] error(s::String)
     @ Base ./error.jl:33
   [2] check(ret::SPReturn)
     @ LibSerialPort.Lib ~/.julia/packages/LibSerialPort/zyrgR/src/wrap.jl:299
   [3] sp_open
     @ ~/.julia/packages/LibSerialPort/zyrgR/src/wrap.jl:341 [inlined]
   [4] test_low_level_api(::String, ::Vararg{String, N} where N)
     @ Main ~/.julia/packages/LibSerialPort/zyrgR/test/test-low-level-api.jl:157
   [5] macro expansion
     @ ~/.julia/packages/LibSerialPort/zyrgR/test/runtests.jl:37 [inlined]
   [6] macro expansion
     @ /usr/local/build/julia-1.6.1_build/usr/share/julia/stdlib/v1.6/Test/src/Test.jl:1151 [inlined]
   [7] macro expansion
     @ ~/.julia/packages/LibSerialPort/zyrgR/test/runtests.jl:35 [inlined]
   [8] macro expansion
     @ /usr/local/build/julia-1.6.1_build/usr/share/julia/stdlib/v1.6/Test/src/Test.jl:1151 [inlined]
   [9] top-level scope
     @ ~/.julia/packages/LibSerialPort/zyrgR/test/runtests.jl:34
Usage: test-high-level-api.jl port baudrate
Available ports:
/dev/ttyUSB0
        Description:    FT232R USB UART - A800eKOI
        Transport type: SP_TRANSPORT_USB
Usage: test-high-level-api.jl port baudrate
Available ports:
/dev/ttyUSB0
        Description:    FT232R USB UART - A800eKOI
        Transport type: SP_TRANSPORT_USB
OS error code 5: Input/output error
High level API: Error During Test at /home/ederag/.julia/packages/LibSerialPort/zyrgR/test/runtests.jl:43
  Test threw exception
  Expression: test_high_level_api(port, baudrate) == nothing
  libserialport returned SP_ERR_FAIL - Host OS reported a failure.
  Stacktrace:
    [1] error(s::String)
      @ Base ./error.jl:33
    [2] check(ret::SPReturn)
      @ LibSerialPort.Lib ~/.julia/packages/LibSerialPort/zyrgR/src/wrap.jl:299
    [3] sp_open(port::Ptr{LibSerialPort.Lib.SPPort}, mode::SPMode)
      @ LibSerialPort.Lib ~/.julia/packages/LibSerialPort/zyrgR/src/wrap.jl:341
    [4] open(portname::String, baudrate::Int64; mode::SPMode, ndatabits::Int64, parity::SPParity, nstopbits::Int64)
      @ LibSerialPort ~/.julia/packages/LibSerialPort/zyrgR/src/LibSerialPort.jl:463
    [5] open
      @ ~/.julia/packages/LibSerialPort/zyrgR/src/LibSerialPort.jl:462 [inlined]
    [6] test_high_level_api(::String, ::Vararg{String, N} where N)
      @ Main ~/.julia/packages/LibSerialPort/zyrgR/test/test-high-level-api.jl:96
    [7] macro expansion
      @ ~/.julia/packages/LibSerialPort/zyrgR/test/runtests.jl:43 [inlined]
    [8] macro expansion
      @ /usr/local/build/julia-1.6.1_build/usr/share/julia/stdlib/v1.6/Test/src/Test.jl:1151 [inlined]
    [9] macro expansion
      @ ~/.julia/packages/LibSerialPort/zyrgR/test/runtests.jl:41 [inlined]
   [10] macro expansion
      @ /usr/local/build/julia-1.6.1_build/usr/share/julia/stdlib/v1.6/Test/src/Test.jl:1151 [inlined]
   [11] top-level scope
      @ ~/.julia/packages/LibSerialPort/zyrgR/test/runtests.jl:34
Test Summary:    | Pass  Error  Total
LibSerialPort    |    2      2      4
  Low level API  |    1      1      2
  High level API |    1      1      2
ERROR: LoadError: Some tests did not pass: 2 passed, 0 failed, 2 errored, 0 broken.
in expression starting at /home/ederag/.julia/packages/LibSerialPort/zyrgR/test/runtests.jl:20
ERROR: Package LibSerialPort errored during testing

master

(tests) pkg> add LibSerialPort#master
     Cloning git-repo `https://github.com/JuliaIO/LibSerialPort.jl.git`
    Updating git-repo `https://github.com/JuliaIO/LibSerialPort.jl.git`
   Resolving package versions...
    Updating `~/share/prog/julia/tests/Project.toml`
  [a05a14c7] ~ LibSerialPort v0.5.0 ⇒ v0.5.0 `https://github.com/JuliaIO/LibSerialPort.jl.git#master`
    Updating `~/share/prog/julia/tests/Manifest.toml`
  [a05a14c7] ~ LibSerialPort v0.5.0 ⇒ v0.5.0 `https://github.com/JuliaIO/LibSerialPort.jl.git#master`
Precompiling project...
  1 dependency successfully precompiled in 1 seconds (247 already precompiled)

(tests) pkg> test LibSerialPort
     Testing LibSerialPort
      Status `/tmp/jl_QrRy9N/Project.toml`
  [a05a14c7] LibSerialPort v0.5.0 `https://github.com/JuliaIO/LibSerialPort.jl.git#master`
  [220460dc] libserialport_jll v0.1.2+0
  [8f399da3] Libdl `@stdlib/Libdl`
  [8dfed614] Test `@stdlib/Test`
      Status `/tmp/jl_QrRy9N/Manifest.toml`
  [a05a14c7] LibSerialPort v0.5.0 `https://github.com/JuliaIO/LibSerialPort.jl.git#master`
  [220460dc] libserialport_jll v0.1.2+0
  [0dad84c5] ArgTools `@stdlib/ArgTools`
  [56f22d72] Artifacts `@stdlib/Artifacts`
  [2a0f44e3] Base64 `@stdlib/Base64`
  [ade2ca70] Dates `@stdlib/Dates`
  [f43a241f] Downloads `@stdlib/Downloads`
  [b77e0a4c] InteractiveUtils `@stdlib/InteractiveUtils`
  [b27032c2] LibCURL `@stdlib/LibCURL`
  [76f85450] LibGit2 `@stdlib/LibGit2`
  [8f399da3] Libdl `@stdlib/Libdl`
  [56ddb016] Logging `@stdlib/Logging`
  [d6f4376e] Markdown `@stdlib/Markdown`
  [ca575930] NetworkOptions `@stdlib/NetworkOptions`
  [44cfe95a] Pkg `@stdlib/Pkg`
  [de0858da] Printf `@stdlib/Printf`
  [3fa0cd96] REPL `@stdlib/REPL`
  [9a3f8284] Random `@stdlib/Random`
  [ea8e919c] SHA `@stdlib/SHA`
  [9e88b42a] Serialization `@stdlib/Serialization`
  [6462fe0b] Sockets `@stdlib/Sockets`
  [fa267f1f] TOML `@stdlib/TOML`
  [a4e569a6] Tar `@stdlib/Tar`
  [8dfed614] Test `@stdlib/Test`
  [cf7118a7] UUIDs `@stdlib/UUIDs`
  [4ec0a83e] Unicode `@stdlib/Unicode`
  [deac9b47] LibCURL_jll `@stdlib/LibCURL_jll`
  [29816b5a] LibSSH2_jll `@stdlib/LibSSH2_jll`
  [c8ffd9c3] MbedTLS_jll `@stdlib/MbedTLS_jll`
  [14a3606d] MozillaCACerts_jll `@stdlib/MozillaCACerts_jll`
  [83775a58] Zlib_jll `@stdlib/Zlib_jll`
  [8e850ede] nghttp2_jll `@stdlib/nghttp2_jll`
  [3f19e933] p7zip_jll `@stdlib/p7zip_jll`
     Testing Running tests...
Usage: test-low-level-api.jl port [baudrate]
Available ports:
/dev/ttyUSB0
        Description:    FT232R USB UART - A800eKOI
        Transport type: SP_TRANSPORT_USB
Usage: test-low-level-api.jl port [baudrate]
Available ports:
/dev/ttyUSB0
        Description:    FT232R USB UART - A800eKOI
        Transport type: SP_TRANSPORT_USB
0
1
1
0.1.1
1
0
1
1:0:1
/dev/ttyUSB0
        Description:    FT232R USB UART - A800eKOI
        Transport type: SP_TRANSPORT_USB
OS error code 5: Input/output error
Low level API: Error During Test at /home/ederag/.julia/packages/LibSerialPort/2Zjh2/test/runtests.jl:37
  Test threw exception
  Expression: test_low_level_api(port, baudrate) == nothing
  libserialport returned SP_ERR_FAIL - Host OS reported a failure.
  Stacktrace:
   [1] error(s::String)
     @ Base ./error.jl:33
   [2] check(ret::SPReturn)
     @ LibSerialPort.Lib ~/.julia/packages/LibSerialPort/2Zjh2/src/wrap.jl:299
   [3] sp_open
     @ ~/.julia/packages/LibSerialPort/2Zjh2/src/wrap.jl:341 [inlined]
   [4] test_low_level_api(::String, ::Vararg{String, N} where N)
     @ Main ~/.julia/packages/LibSerialPort/2Zjh2/test/test-low-level-api.jl:157
   [5] macro expansion
     @ ~/.julia/packages/LibSerialPort/2Zjh2/test/runtests.jl:37 [inlined]
   [6] macro expansion
     @ /usr/local/build/julia-1.6.1_build/usr/share/julia/stdlib/v1.6/Test/src/Test.jl:1151 [inlined]
   [7] macro expansion
     @ ~/.julia/packages/LibSerialPort/2Zjh2/test/runtests.jl:35 [inlined]
   [8] macro expansion
     @ /usr/local/build/julia-1.6.1_build/usr/share/julia/stdlib/v1.6/Test/src/Test.jl:1151 [inlined]
   [9] top-level scope
     @ ~/.julia/packages/LibSerialPort/2Zjh2/test/runtests.jl:34
Usage: test-high-level-api.jl port baudrate
Available ports:
/dev/ttyUSB0
        Description:    FT232R USB UART - A800eKOI
        Transport type: SP_TRANSPORT_USB
Usage: test-high-level-api.jl port baudrate
Available ports:
/dev/ttyUSB0
        Description:    FT232R USB UART - A800eKOI
        Transport type: SP_TRANSPORT_USB
OS error code 5: Input/output error
High level API: Error During Test at /home/ederag/.julia/packages/LibSerialPort/2Zjh2/test/runtests.jl:43
  Test threw exception
  Expression: test_high_level_api(port, baudrate) == nothing
  libserialport returned SP_ERR_FAIL - Host OS reported a failure.
  Stacktrace:
    [1] error(s::String)
      @ Base ./error.jl:33
    [2] check(ret::SPReturn)
      @ LibSerialPort.Lib ~/.julia/packages/LibSerialPort/2Zjh2/src/wrap.jl:299
    [3] sp_open(port::Ptr{LibSerialPort.Lib.SPPort}, mode::SPMode)
      @ LibSerialPort.Lib ~/.julia/packages/LibSerialPort/2Zjh2/src/wrap.jl:341
    [4] open(portname::String, baudrate::Int64; mode::SPMode, ndatabits::Int64, parity::SPParity, nstopbits::Int64)
      @ LibSerialPort ~/.julia/packages/LibSerialPort/2Zjh2/src/LibSerialPort.jl:463
    [5] open
      @ ~/.julia/packages/LibSerialPort/2Zjh2/src/LibSerialPort.jl:462 [inlined]
    [6] test_high_level_api(::String, ::Vararg{String, N} where N)
      @ Main ~/.julia/packages/LibSerialPort/2Zjh2/test/test-high-level-api.jl:96
    [7] macro expansion
      @ ~/.julia/packages/LibSerialPort/2Zjh2/test/runtests.jl:43 [inlined]
    [8] macro expansion
      @ /usr/local/build/julia-1.6.1_build/usr/share/julia/stdlib/v1.6/Test/src/Test.jl:1151 [inlined]
    [9] macro expansion
      @ ~/.julia/packages/LibSerialPort/2Zjh2/test/runtests.jl:41 [inlined]
   [10] macro expansion
      @ /usr/local/build/julia-1.6.1_build/usr/share/julia/stdlib/v1.6/Test/src/Test.jl:1151 [inlined]
   [11] top-level scope
      @ ~/.julia/packages/LibSerialPort/2Zjh2/test/runtests.jl:34
Test Summary:    | Pass  Error  Total
LibSerialPort    |    2      2      4
  Low level API  |    1      1      2
  High level API |    1      1      2
ERROR: LoadError: Some tests did not pass: 2 passed, 0 failed, 2 errored, 0 broken.
in expression starting at /home/ederag/.julia/packages/LibSerialPort/2Zjh2/test/runtests.jl:20
ERROR: Package LibSerialPort errored during testing

With an arduino connected on /dev/ttyUSB0, but readuntil is no longer available ?

`readuntil` missing

julia> using LibSerialPort

julia> list_ports()
/dev/ttyUSB0
        Description:    FT232R USB UART - A800eKOI
        Transport type: SP_TRANSPORT_USB

julia> port = "/dev/ttyUSB0"
"/dev/ttyUSB0"

julia> LibSerialPort.open(port, 115200) do s
                  #write(s, "input")
                  ret =  readuntil(s, '\n', 1.0)  #try to readline with a 1 second timeout
                  @show ret
              end
ERROR: MethodError: no method matching readuntil(::SerialPort, ::Char, ::Float64)
Closest candidates are:
  readuntil(::AbstractString, ::Any...; kw...) at io.jl:471
  readuntil(::IO, ::AbstractChar; keep) at io.jl:771
  readuntil(::IO, ::T; keep) where T at io.jl:786
  ...
Stacktrace:
 [1] (::var"#1#2")(s::SerialPort)
   @ Main ./REPL[10]:3
 [2] open(::var"#1#2", ::String, ::Vararg{Any, N} where N; kwargs::Base.Iterators.Pairs{Union{}, Union{}, Tuple{}, NamedTuple{(), Tuple{}}})
   @ Base ./io.jl:330
 [3] open(::Function, ::String, ::Int64)
   @ Base ./io.jl:328
 [4] top-level scope
   @ REPL[10]:1

---

Edit:
This time the mwe fails:

Updated mwe

julia> list_ports()
/dev/ttyUSB0
        Description:    FT232R USB UART - A800eKOI
        Transport type: SP_TRANSPORT_USB

julia> # Modify these as needed
       portname = "/dev/ttyS0"
"/dev/ttyS0"

julia> baudrate = 115200
115200

julia> # Snippet from examples/mwe.jl
       LibSerialPort.open(portname, baudrate) do sp
               sleep(2)

               if bytesavailable(sp) > 0
                   println(String(read(sp)))
               end

           write(sp, "hello\n")
           sleep(0.1)
           println(readline(sp))
       end
OS error code 5: Input/output error
ERROR: libserialport returned SP_ERR_FAIL - Host OS reported a failure.
Stacktrace:
 [1] error(s::String)
   @ Base ./error.jl:33
 [2] check(ret::LibSerialPort.Lib.SPReturn)
   @ LibSerialPort.Lib ~/.julia/packages/LibSerialPort/2Zjh2/src/wrap.jl:299
 [3] sp_open(port::Ptr{LibSerialPort.Lib.SPPort}, mode::SPMode)
   @ LibSerialPort.Lib ~/.julia/packages/LibSerialPort/2Zjh2/src/wrap.jl:341
 [4] open(portname::String, baudrate::Int64; mode::SPMode, ndatabits::Int64, parity::SPParity, nstopbits::Int64)
   @ LibSerialPort ~/.julia/packages/LibSerialPort/2Zjh2/src/LibSerialPort.jl:463
 [5] open(portname::String, baudrate::Int64)
   @ LibSerialPort ~/.julia/packages/LibSerialPort/2Zjh2/src/LibSerialPort.jl:462
 [6] open(::var"#11#12", ::String, ::Vararg{Any, N} where N; kwargs::Base.Iterators.Pairs{Union{}, Union{}, Tuple{}, NamedTuple{(), Tuple{}}})
   @ Base ./io.jl:328
 [7] open(::Function, ::String, ::Int64)
   @ Base ./io.jl:328
 [8] top-level scope
   @ REPL[24]:2

The arduino can be read on ttyUSB0 at 115200 bps with the arduino-1.8.15 monitor.

[laborg]

I stumbled over this will trying to read an rfcomm0 port using v0.5.0. Still need to verify if Python has the same problem.

[mgkuhn]

The underlying problem behind readutil with timeout seems mainly issue #86, namely that users are currently unable to find the documentation for set_read_timeout, which contains an example.