Am 29.12.2011 14:27, schrieb Amit Shah: > On (Thu) 29 Dec 2011 [13:47:43], Christian Borntraeger wrote: >> From: Christian Borntraeger <borntrae...@de.ibm.com> >> >> when I tried qemu with -virtio-console pty the guest hangs and attaching on >> /dev/pts/<x> does >> not return anything if the attachement is too late.
"attachment", while you're at it. Andreas >> Turns out that the console is already throttled and the guest is heavily >> spinning but get_buf >> never returns the buffer. There seems to be no way for the console to >> unthrottle the port. > > It doesn't really get throttled, since the throttling > enabling/disabling isn't yet done in QEMU. What happens is that the > chardev buffer gets filled up and qemu_chr_fe_write() doesn't return > -- send_all() keeps spinning. > > I'll adjust the commit log message and submit. > > Thanks. > > Amit -- SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg
