Re: Kernel boot hangs on commit "switch fput to task_work_add"

From: Fengguang Wu
Date: Sat Jul 14 2012 - 10:35:18 EST


On Sat, Jul 14, 2012 at 03:14:15PM +0100, Al Viro wrote:
> On Sat, Jul 14, 2012 at 09:58:49PM +0800, Fengguang Wu wrote:
> > > Hi Al, here I got the output for
> > >
> > > (qemu) sendkey alt-sysrq-l
> > > (qemu) sendkey alt-sysrq-t
> >
> > I repeated that several times and here are the results.
> >
> > (qemu) sendkey alt-sysrq-l
> > (qemu) sendkey alt-sysrq-l
> > (qemu) sendkey alt-sysrq-l
> > (qemu) sendkey alt-sysrq-t
> > (qemu) sendkey alt-sysrq-t
> > (qemu) quit
> >
> > The user space shutdown is polling on something, which prevents the
> > system from reboot..
>
> Which userland it is?

It's a customized ubuntu core. The original tgz image is downloaded
here, however it's not directly usable as initrd.. Should I send my
hacked one?

24M quantal-core-x86_64.cgz

http://cdimage.ubuntu.com/ubuntu-core/releases/quantal/alpha-2/

Thanks,
Fengguang
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