On 15.05.2010, at 10:36, Jan Kiszka wrote: > Alexander Graf wrote: >> On 14.05.2010, at 18:17, Jan Kiszka wrote: >>> Alexander Graf wrote: >>>> Now that I can finally reproduce the bug with --enable-io-thread, I can >>>> verify that it does *not* fix the issue. >>> I do not trust your tests. :p >>> >>> I just tried to reproduce with --enable-io-thread and the setup I >>> described above - all still fine here. Can you reproduce with an x86 guest? >> >> Nope, it works fine with an x86 guest. I put the following in /etc/inittab >> of my guest: >> >> 11:2345:respawn:/sbin/mingetty --noclear /dev/hvc0 linux >> >> One major thing to keep in mind when talking about s390 guests is that we >> almost never trap into userspace. > > Do you have the same problem when using an unbuffered backend, e.g. pty? > Maybe that single-byte "fifo" of stdio makes the difference, though I > wonder why only on s390 (guest exists should not block the polling done > by the io-thread, just accelerate it).
Mind to give me a small example on how to use that? :) Alex
