Re: [Xen-devel] Re: [Xen-users] miss probing pci devices with Xen 3.4.2

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Sun, Feb 07, 2010 at 01:44:43PM +0200, Pasi Kärkkäinen wrote:
> Forwarding to xen-devel..
> Is there some hypervisor boot option to try? 
> 

Shouldn't read email before drinking coffee in the morning..
Thinking more about this, I guess pci access is totally up to dom0 kernel.

So what dom0 kernel are you running? Please paste both "xm dmesg" and "dmesg" 
output
when booted to Xen.

-- Pasi

> 
> On Fri, Feb 05, 2010 at 07:14:44PM +0800, gene zhang wrote:
> >    Hi,
> >    I have just installed Xen-3.4.2 (x86_32 version) and dom0 on an old test
> >    machine with P4 3.0G CPU. The on-board Realtek 8169 NIC cannot be
> >    recognized.
> >    (Default configuration was used, I just "make world" and installed the
> >    dist.)
> >    I used "lspci" in the native Linux and got:
> 
> >    00:00.0 Host bridge: Intel Corporation 82915G/P/GV/GL/PL/910GL Memory 
> > Controller Hub (rev 0e)
> >    00:01.0 PCI bridge: Intel Corporation 82915G/P/GV/GL/PL/910GL PCI 
> > Express Root Port (rev 0e)
> >    00:02.0 VGA compatible controller: Intel Corporation 82915G/GV/910GL 
> > Integrated Graphics Controller (rev 0e)
> >    00:1d.0 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 
> > Family) USB UHCI #1 (rev 03)
> >    00:1d.1 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 
> > Family) USB UHCI #2 (rev 03)
> >    00:1d.2 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 
> > Family) USB UHCI #3 (rev 03)
> >    00:1d.3 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 
> > Family) USB UHCI #4 (rev 03)
> >    00:1d.7 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 
> > Family) USB2 EHCI Controller (rev 03)
> >    00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev d3) 
> >    00:1e.2 Multimedia audio controller: Intel Corporation 
> > 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Audio Controller (rev 03)
> >    00:1f.0 ISA bridge: Intel Corporation 82801FB/FR (ICH6/ICH6R) LPC 
> > Interface Bridge (rev 03)
> >    00:1f.1 IDE interface: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 
> > Family) IDE Controller (rev 03)
> >    00:1f.2 IDE interface: Intel Corporation 82801FB/FW (ICH6/ICH6W) SATA 
> > Controller (rev 03)
> >    00:1f.3 SMBus: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) 
> > SMBus Controller (rev 03)
> >    02:0b.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8169 
> > Gigabit Ethernet (rev 10)
> >
> >    But in Xen-linux, the last line was missing. I am guessing dom0 kernel
> >    failed to probe PCI bus 02:xx.x
> >
> >    To try something more, I plugged an Realtek 8169 card in a PCI slot, in
> >    native Linux, the device was probed as:
> >
> >    02:01.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8169 
> > Gigabit Ethernet (rev 10)
> >
> >    And in Xen-linux, the probing failed again.
> >    Help!
> >    Thanks
> 
> 
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