Re: [Qemu-devel] 8139cp problems - steps to reproduce

[Nikola Ciprich <extmaillist@linuxbox.cz>]

Hi David, well, I tried e1000, but it's actualy much worse for me.
But I'm using much newer (vanilla) kernels, maybe RHEL kernels
contain some patch that prevents the problem? I'll have a look.
BR
nik

On Mon, Sep 15, 2008 at 09:45:56AM -0600, David S. Ahern wrote:
> Last February I dug into where it was getting stuck. See:
> 
> http://article.gmane.org/gmane.comp.emulators.kvm.devel/13537/match=pci%5fset%5firq
> 
> and follow up posts.
> 
> For the past 5-6 months I've been using the e1000 nic in rhel3 and rhel4
> guests without a problem -- and without the need for guest hacks like
> noapic.
> 
> david
> 
> 
> 
> xming wrote:
> > hi,
> > 
> > I am running kvm-74 and it's getting worse for me (compared to 73, or
> > 70,71 w/o issues), I tried virtio, rtl8139 and e1000,
> > the network will stall. With 8139 it happens very quick (few MB via
> > nfs) and I noticed that I can bring up the network
> > by setting the stalled NIC (in the guest) by setting it to promisc and
> > -promisc repeatably.
> > 
> > I can now perfectly reproduced the stall and un-stall.
> > 
> > When it's stalled I noticed on the host that the nic is not totally
> > gone, arp broadcast still gets out.
> > 
> > Any ideas?
> > --
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> > 
> 

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