[Qemu-devel] Re: >2 serial ports?

[Michael Tokarev]

Gerd Hoffmann wrote:
> On 03/17/10 09:38, Michael Tokarev wrote:
>> Since 0.12, it appears that kvm does not allow more than
>> 2 serial ports for a guest:
>>
>> $ kvm \
>>   -serial unix:s1,server,nowait \
>>   -serial unix:s2,server,nowait \
>>   -serial unix:s3,server,nowait
>> isa irq 4 already assigned
>>
>> Is there a work-around for this?
> 
> Oh, well, yes, I remember.  qemu is more strict on ISA irq sharing now.
>  A bit too strict.
> 
> /me goes dig out a old patch which never made it upstream for some
> reason I forgot.  Attached.

I tried the patch, and it now appears to work.  I did not try
to run various stress tests so far, but basic tests are fine.

Thank you Gerd!  And I think it's time to push it finally :)

/mjt