On 11/12/2014 16:06, Peter Maydell wrote:
> An abstraction of that from the specifics of the PC's serial port
> might be nice, yes. (omap_uart.c has to jump through some ugly hoops
> currently, with more ugliness in the out-of-tree omap3 extensions.)
> However I don't think it makes sense to forc
On 11 December 2014 at 14:56, Paolo Bonzini wrote:
> I think an abstraction of the "serial port" concept that is based on the
> 16550A register set, and with arbitrarily sized FIFOs, would be nice to
> have. All device models would talk to such abstraction. The 16550A is
> well known and a lot o
On 09/09/2014 17:28, Kirill Batuzov wrote:
> In short: QEMU serial port transmits data as fast as it can ignoring
> baud rate completely. As a result we are stuck in serial8250_interrupt
> ISR in kernel most of the time.
>
> Overall we have a large issue with rate control and flow control for
>
On Tue, Sep 9, 2014 at 7:28 PM, Kirill Batuzov wrote:
> On Fri, 5 Sep 2014, Andrey Korolyov wrote:
>
>> >
>> > Heh, it is kernel- (defaults-) dependent after all. Debian hangs
>> > always, on 3.10, 3.14 and 3.16, Fedora 20 works fine on 3.15. I`ll
>> > check if there are any 82550-specific patches
On Fri, 5 Sep 2014, Andrey Korolyov wrote:
> >
> > Heh, it is kernel- (defaults-) dependent after all. Debian hangs
> > always, on 3.10, 3.14 and 3.16, Fedora 20 works fine on 3.15. I`ll
> > check if there are any 82550-specific patches in Fedora tree a bit
> > later.
>
>
> It is a setting-depen
On Thu, Sep 4, 2014 at 8:03 PM, Andrey Korolyov wrote:
> On Thu, Sep 4, 2014 at 5:33 PM, Kirill Batuzov wrote:
>> On Thu, 4 Sep 2014, Andrey Korolyov wrote:
>>>
>>> Thanks, the launch string can be borrowed from attach here:
>>> http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg00482.htm
On Thu, Sep 4, 2014 at 5:33 PM, Kirill Batuzov wrote:
> On Thu, 4 Sep 2014, Andrey Korolyov wrote:
>>
>> Thanks, the launch string can be borrowed from attach here:
>> http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg00482.html,
>> the same VM is going under test.
>>
>>
>> By hang I mean
On Thu, 4 Sep 2014, Andrey Korolyov wrote:
>
> Thanks, the launch string can be borrowed from attach here:
> http://lists.nongnu.org/archive/html/qemu-devel/2014-09/msg00482.html,
> the same VM is going under test.
>
>
> By hang I mean stopping ability to send icmp replies, it is like a
> kind o
On Thu, Sep 4, 2014 at 1:46 PM, Kirill Batuzov wrote:
> On Wed, 3 Sep 2014, Andrey Korolyov wrote:
>
>> Given 2.1 and isa-serial output, set as ttyS0 for the guest VM with
>> 9600 baud rate.
>>
>> The test case is quite simple - display as much data as possible over
>> serial console and do not ha
On Wed, 3 Sep 2014, Andrey Korolyov wrote:
> Given 2.1 and isa-serial output, set as ttyS0 for the guest VM with
> 9600 baud rate.
>
> The test case is quite simple - display as much data as possible over
> serial console and do not hang the system. While qemu-1.1 works
> perfectly, with complaini
Given 2.1 and isa-serial output, set as ttyS0 for the guest VM with
9600 baud rate.
The test case is quite simple - display as much data as possible over
serial console and do not hang the system. While qemu-1.1 works
perfectly, with complaining for lost interrupts (known bug for used
guest kernel
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