[Xen-devel] no sound emulation support in qemu-dm in xen-3.3

[Alexander Piavka <piavka@xxxxxxxxxxxx>]

 Hi,

 I've installed xen3.3 on gentoo linux and created HVM domain with
 soundhw='sb16'
 But the HVM domain fails to start with error:
 ------------------------------------------------
 #  cat /var/log/xen/qemu-dm-winXP.log
 domid: 3
 qemu: the number of cpus is 1
 Unknown sound card name `sb16'
 Valid sound card names (comma separated):

 -soundhw all will enable all of the above
 ------------------------------------------------

 If i change to soundhw='es1370' it also fails to start with apropriate
 message. Only then i set to soundhw='all' HVM starts ok, but it, of course ,
 does not detect any sound devices.

 It looks like qemu-dm does not have emulation support for any sound devices:
 --------------------------------------------
 # /usr/lib64/xen/bin/qemu-dm -soundhw ?
 Valid sound card names (comma separated):

 -soundhw all will enable all of the above
 --------------------------------------------

 In xen3.1 and xen3.2 it worked ok, also i'm using exactly same gentoo system
 configuration and similar kernel config as for xen3.1 and xen3.2.

 So I unpacked xen-tools 3.3 sources and compiled qemu manually
 I tweaked with  tools/ioemu-qemu-xen/xen-setup configure sound options to no
 avail. As i allways got:
 ---------------------------------------------
 xen-3.3.0 # ./tools/ioemu-qemu-xen/i386-dm/qemu-dm -soundhw ?
 Valid sound card names (comma separated):

 -soundhw all will enable all of the above
 ----------------------------------------------

 Then I took xen-tools 3.2.1 sources and compiled qemu manually
 and it got compiled with sound drivers out of the box:
 -----------------------------------------------
 xen-3.2.1 # ./ioemu/i386-dm/qemu-dm -soundhw ?
 Valid sound card names (comma separated):
 sb16        Creative Sound Blaster 16
 es1370      ENSONIQ AudioPCI ES1370

 -soundhw all will enable all of the above
 -----------------------------------------------

 Anyone has an idea what is wrong with qemu in xen3.3 and how to fix it?

 Can i safely use qemu-dm from xen-3.2.1 with xen-3.3 ?

  Thanks
  Alex

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