[Xen-users] PCI devices forwarded but does not work

[MisterE <MisterE2002@xxxxxxxxx>]

Hello Xen folks,

  
I use Debian Squeeze
I seize a soundcard (inc. HDMI) and a network card with the next kernel 
parameters:
module  /vmlinuz-2.6.32-5-xen-amd64 placeholder 
root=/dev/mapper/vg_dom0-lv_root ro  xen-pciback.permissive 
xen-pciback.hide=(00:14.2)(01:05.1)(03:00.0)

root@dom0:/boot/grub# dmesg | grep seizing
[    0.147445] pciback 0000:00:14.2: seizing device
[    0.147934] pciback 0000:01:05.1: seizing device
[    0.148070] pciback 0000:03:00.0: seizing device


root@dom0:/boot/grub# lspci -k
00:14.2 Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA)
        Subsystem: Giga-byte Technology Device a022
        Kernel driver in use: pciback
01:05.1 Audio device: ATI Technologies Inc RS780 Azalia controller
        Subsystem: ATI Technologies Inc RS780 Azalia controller
        Kernel driver in use: pciback
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI 
Express Gigabit Ethernet controller (rev 02)
        Subsystem: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express 
Gigabit Ethernet controller
        Kernel driver in use: pciback


root@dom0:/etc/xen# grep pci /etc/xen/paradeb01.cfg 
pci = [ '00:14.2', '01:05.1', '03:00.0' ]


In the DomU:


root@paradeb01:~# lspci -k
00:00.2 Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA)
        Subsystem: Giga-byte Technology Device a022
        Kernel driver in use: HDA Intel
00:01.1 Audio device: ATI Technologies Inc RS780 Azalia controller
        Subsystem: ATI Technologies Inc RS780 Azalia controller
        Kernel driver in use: HDA Intel
00:02.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI 
Express Gigabit Ethernet controller (rev 02)
        Subsystem: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express 
Gigabit Ethernet controller
        Kernel driver in use: r8169

 
I see the network card with "ifconfig -a". But 
The domu sees connecting/disconnect the device:

        root@paradeb01:~# [ 1059.451908] r8169: eth1: link up
        root@paradeb01:~# dhclient eth1
        root@paradeb01:~# echo $?        
        0


But it fails to set an IP to the device.



I see the soundcard with "alsamixer". But playing mp3 does not work. It simply 
hangs:
        root@paradeb01:~# mplayer -ao alsa *.mp3
        MPlayer 1.0rc3-4.4.4 (C) 2000-2009 MPlayer Team
        mplayer: could not connect to socket
        mplayer: No such file or directory
        Failed to open LIRC support. You will not be able to use your remote 
control.
        
==========================================================================
        Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
        AUDIO: 44100 Hz, 2 ch, s16le, 128.0 kbit/9.07% (ratio: 16000->176400)
        Selected audio codec: [mp3] afm: mp3lib (mp3lib MPEG layer-2, layer-3)
        
==========================================================================
        AO: [alsa] 48000Hz 2ch s16le (2 bytes per sample)
        Video: no video
        Starting playback...
        A:   0.0 (00.0) of 381.0 (06:21.0) ??,?% 


With older Debian version (pre pvops?) i did not have many problems. At first 
the audio was glitchy, but adding it to "xend-pci-permissive.sxp" fixed it. But 
now it failes to play completely.

-- 
Best regards,
 MisterE                          mailto:MisterE2002@xxxxxxxxx


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