Re: Qemu e1000 broken in -rc1 and -rc2 : bisected
From: Ken Moffat
Date: Mon Mar 09 2015 - 11:06:18 EST
On Mon, Mar 09, 2015 at 11:14:20AM +0800, Chen, Tiejun wrote:
> On 2015/3/7 3:27, Ken Moffat wrote:
> >On Fri, Mar 06, 2015 at 12:02:40AM +0000, Ken Moffat wrote:
> >> I have a very recent qemu i686 image, using a 3.19.0 kernel and
> >>dhclient, which works fine if the host is running a 3.19.0 kernel,
> >>but breaks when the host runs 4.0.0-rc1 or -rc2.
> >> On those, dhclient does not get an address, so I have no network.
> >>There is a message
> >>e1000 0000:00:03.0 eth0: Reset adaptor
> >> Before I start trying to bisect this, has anybody already seen, or
> >>fixed, it ?
> > Bisected.
> >b4eef9b36db461ca44832226fbca614db58c0c33 is the first bad commit
> >commit b4eef9b36db461ca44832226fbca614db58c0c33
> >Author: Tiejun Chen <tiejun.chen@xxxxxxxxx>
> >Date: Mon Dec 22 10:32:57 2014 +0100
> > kvm: x86: vmx: NULL out hwapic_isr_update() in case of
> Did you try Linux 4.0-rc3? That includes one relevant fix,
> KVM: SVM: fix interrupt injection (apic->isr_count always 0)
I've now tried -rc3, and the problem has gone. Thanks.
Nanny Ogg usually went to bed early. After all, she was an old lady.
Sometimes she went to bed as early as 6 a.m.
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