Opening /dev/ttyUSB0 hangs, pl2303.ko module
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Expired
|
Medium
|
Unassigned |
Bug Description
I have a program that I wrote that controls an Onkyo audio receiver through it's serial port. The serial port is opened like this:
open(
open never returns. This worked fine in Ubuntu prior to 10.10.
This problem was also discussed in the maverick testing forum:
http://
A workaround was reported that I have verified works for me as well.
modprobe -r pl2303
modprobe pl2303
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: linux-image-
Regression: Yes
Reproducible: Yes
ProcVersionSign
Uname: Linux 2.6.35-22-generic x86_64
NonfreeKernelMo
AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code 2: ls: cannot access /dev/snd/: No such file or directory
AplayDevices: aplay: device_list:235: no soundcards found...
Architecture: amd64
ArecordDevices: arecord: device_list:235: no soundcards found...
Date: Fri Oct 15 08:47:39 2010
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
MachineType: empty empty
PciMultimedia:
ProcCmdLine: BOOT_IMAGE=
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: linux
dmi.bios.date: 02/27/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V1.01
dmi.board.
dmi.board.name: S7002
dmi.board.vendor: TYAN
dmi.board.version: empty
dmi.chassis.
dmi.chassis.type: 3
dmi.chassis.vendor: empty
dmi.chassis.
dmi.modalias: dmi:bvnAmerican
dmi.product.name: empty
dmi.product.
dmi.sys.vendor: empty
tags: | added: acpi-table-checksum |
description: | updated |
Changed in linux (Ubuntu): | |
importance: | Undecided → Medium |
Changed in linux (Ubuntu): | |
status: | Expired → Confirmed |
Same probleme here. The workaround works fine :)