Re: [Qemu-devel] KVM serial8250: too much work for irq3

2019-01-10 Thread hpa
On January 10, 2019 3:44:54 PM PST, Paolo Bonzini wrote: >On 22/09/17 15:28, Denys Zagorui wrote: >> Hello >> >> This is known issue, it was mentioned at first time about 9 years >ago. >> >> https://lkml.org/lkml/2008/2/5/401 >> >> https://bugzilla.redhat.com/show_bug.cgi?id=986761 > >The

Re: [Qemu-devel] KVM serial8250: too much work for irq3

2019-01-10 Thread Paolo Bonzini
On 22/09/17 15:28, Denys Zagorui wrote: > Hello > > This is known issue, it was mentioned at first time about 9 years ago. > > https://lkml.org/lkml/2008/2/5/401 > > https://bugzilla.redhat.com/show_bug.cgi?id=986761 The issue is simply that QEMU disregards the baud rate that the guest

[Qemu-devel] KVM serial8250: too much work for irq3

2017-09-22 Thread Denys Zagorui
Hello This is known issue, it was mentioned at first time about 9 years ago. https://lkml.org/lkml/2008/2/5/401 https://bugzilla.redhat.com/show_bug.cgi?id=986761 But it seems not fixed. I tested on my setup. My Host machine Debian Stretch (kernel 4.9-30), Guest vanilla kernel 4.4-76.