linux-kernel - Re: qemu-kvm loops after kernel udpate

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Message-ID: <20120911190303.GA3626@amt.cnet>
Date:	Tue, 11 Sep 2012 16:03:03 -0300
From:	Marcelo Tosatti <mtosatti@...hat.com>
To:	Jiri Slaby <jslaby@...e.cz>
Cc:	Avi Kivity <avi@...hat.com>, kvm@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>,
	Jiri Slaby <jirislaby@...il.com>
Subject: Re: qemu-kvm loops after kernel udpate

On Tue, Sep 11, 2012 at 08:11:36PM +0200, Jiri Slaby wrote:
> Hi,
> 
> it looks like an update from next-20120824 to next-20120910 makes kvm
> defunct. When I try to run qemu, it loops forever without printing
> anything on the monitor.
> 
> -no-kvm makes it indeed work.
> 
> Cmdline I use:
> qemu-kvm -k en-us -usbdevice tablet -balloon virtio -hda IMAGE -smp 2 -m
> 1000M -net user -net nic,model=e1000 -usb -serial pty
> 
> Before I start investigating further, like biscection, is this a known
> issue already and fix available somewhere?
> 
> thanks,

Its not a known issue. 'info registers' (for both vcpus) and
'x /20i $eip' might help track it down. 

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