[libvirt] Seeking for advice on 'virsh console' problems debugging

Roman Bogorodskiy bogorodskiy at gmail.com
Mon Mar 10 13:27:17 UTC 2014


  Daniel P. Berrange wrote:

> One further idea I just had - in QEMU code util/qemu-openpty.c we call
> cfmakeraw()/tcsetattr on the PTY slave file descriptor. On Linux at 
> least this affects both ends of the device, but I wonder if there's
> perhaps a need to call this on the master file descriptor as well as
> or instead of on the slave file descriptor ?  Or perhaps the client
> (in this case libvirtd) itself has to call cfmakeraw/tcsetattr since
> although its opening the same slave, it is a different file descriptor
> for the slave

Thanks a lot for pointing this out. Manually placing the device into a
raw mode works indeed!

Roman Bogorodskiy
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