Hello, I have the same problem on my Asus A6B00R. After upgrade to feisty my irda serial connection (/dev/ttyS1) doesn't work any more. There are many "ttyS1: LSR safety check engaged!" messages in logs.
In my user.log I have: Jun 18 19:36:34 doman irattach: tcgetattr: Input/output error Jun 18 19:36:34 doman irattach: Stopping device /dev/ttyS1 Jun 18 19:36:34 doman irattach: ioctl(SIOCGIFFLAGS): No such device Jun 18 19:36:34 doman irattach: exiting ... I found also such messages in my syslog (it happened probably during 1st run of kpilot): Jun 18 20:48:59 doman kernel: [ 4389.340000] ircomm_tty_attach_cable() Jun 18 20:48:59 doman kernel: [ 4389.340000] ircomm_tty_ias_register() Jun 18 20:50:14 doman kernel: [ 4464.052000] ircomm_tty_close() Jun 18 20:50:14 doman kernel: [ 4464.052000] ircomm_tty_shutdown() Jun 18 20:50:14 doman kernel: [ 4464.052000] ircomm_tty_detach_cable() Jun 18 20:50:14 doman kernel: [ 4464.052000] ircomm_close() Jun 18 20:50:14 doman kernel: [ 4464.062000] ttyS1: LSR safety check engaged! Jun 18 20:50:19 doman kernel: [ 4469.654000] ttyS1: LSR safety check engaged! Jun 18 20:50:21 doman kernel: [ 4471.658000] ttyS1: LSR safety check engaged! I use 2.6.20-16 and 2.6.20-16-lowlatency kernels. -- Problem with serial in Ubuntu 7.04 (ttyS*) https://bugs.launchpad.net/bugs/111598 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs