Hi again, Could be there any workaround to avoid VM shutdown?
Thanks, Brs, Bao On Sun, 16 Sep 2018 at 16:01, Naruto Nguyen <narutonguyen2...@gmail.com> wrote: > > Hello everyone, > > Recently when I reboot my guest installed kernel 4.4.114, qemu-kvm > throws the error > > qemu-kvm: hw/char/serial.c:232: serial_xmit: Assertion `!(s->lsr & > 0x40)' failed. > shutting down > > then qemu-kvm powers off the VM, I can meet the issue after a lot of > time to reboot the VM. The issue looks like to be reproduced more > easily by increasing the loglevel to make kernel throws more log to > the console. It seems I did not meet the issue with guest installed > kernel 3.0. There is another thread of Redhat about this bug but looks > like they cannot reproduce the issue and just provide the potential > fix https://bugzilla.redhat.com/show_bug.cgi?id=1481701. > > I used the same qemu version with Redhat thread, qemu 2.6 > qemu-kvm-rhev-2.6.0-28.el7_3.9.x86_64. My guest xml setup is to > redirect the console to file. I used the same config between guest > kernel 3.0 and 4.4. Could you please help me to understand more about > this issue: > > - In what conditions can make qemu-kvm trigger this issue like: guest > console hangs or guest output to console too much? > - Why I just see the issue on guest installed kernel 4.4, not on kernel 3.0? > > Thanks a lot, > Brs, > Naruto
