[Xen-devel] Re: [PATCH] pv-grub: fix boot crash when no fb is available

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>]

David P. Quigley, le Tue 06 Apr 2010 11:42:20 -0400, a écrit :
> On Mon, 2010-04-05 at 23:57 +0200, Samuel Thibault wrote:
> > David P. Quigley, le Mon 05 Apr 2010 11:17:32 -0400, a écrit :
> > > disk = [ 
> > > 'tap:tapdisk:aio:/home/dpquigl/SEHostStorage/SEHostStorage-sda.raw,hda,w',
> > >  ',hdc:cdrom,r' ]
> > 
> > This indeed hangs for me. Please try
> > 
> > disk = [ 'file:/home/dpquigl/SEHostStorage/SEHostStorage-sda.raw,hda,w' ]
> > 
> > Samuel
> 
> This did help. I've gotten to a grub prompt now.

Ok, cool.

> Apparently there is an issue with blktap2 and pv-grub.

Well, more precisely, with MiniOS :)

It seems like a xenbus protocol issue. I don't really have the time to
investigate further in the blktap2 code to know which end is behaving
badly (I do not even know where the PV part of it is).  What I do know
is that according to xenstore-ls, MiniOS says it's initialized, but
the backend seems stuck in the initwait state, I don't know what it is
waiting for.

Samuel

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