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.

HTH,
   Gerd