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RE: [Xen-users] "netdev watchdog" error and non-working sis900network ca

To: "Petersson, Mats" <mats.petersson@xxxxxxx>, "henning" <henning_sprang@xxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-users] "netdev watchdog" error and non-working sis900network card - solution
From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date: Thu, 22 Dec 2005 22:22:54 -0000
Cc: ian.pratt@xxxxxxxxxxxx
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Thread-topic: [Xen-users] "netdev watchdog" error and non-working sis900network card - solution
> > The troubles went away when adding kernel options "noapic 
> acpi=off" to 
> > the modules grub line.
> Both noapic and acpi=off make big difference to the machine 
> setup - it would probably be a good idea to figure out which 
> one makes the difference. If it's acpi=off, a new BIOS that 
> has more suitable things in the ACPI tables is probably the solution. 
> If it's the noapic that actually solves the problem, then 
> that would be useful to know (but I'm not sure what the fix 
> is, aside from the fact that it may actually be the PCI 
> enumeration that goes wrong in the system - lspci -vvv may 
> give some info. 

Yep, there's been a couple of people recently saying that problems have
been fixed with acpi=off and noapic, and this really rather concerns me.

I'd be very interested to see a diff of the output a native boot vs a
failing xen xen one. 

We need to get this fixed as I certainly wouldn't want to run a system
with 'noapic'. The legacy pic support in xen is really only in their so
that people can run on emulators like vmware or qemu.


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