From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: EFI GetNextVariableName crashes when running under Xen, but not under Linux. efi-rs=0 works. No memmap issues Date: Wed, 28 Jan 2015 14:02:02 +0000 Message-ID: <54C8F9EA020000780005A55E@mail.emea.novell.com> References: <20150126162753.GA1812@l.oracle.com> <54C680C90200007800059907@mail.emea.novell.com> <20150127000247.GU3473@olila.local.net-space.pl> <54C6DCB7.3060206@citrix.com> <54C752460200007800059B8B@mail.emea.novell.com> <20150127201858.GY3473@olila.local.net-space.pl> <54C8AF37020000780005A330@mail.emea.novell.com> <20150128125703.GA3473@olila.local.net-space.pl> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1YGTC1-0000UD-2f for xen-devel@lists.xenproject.org; Wed, 28 Jan 2015 14:02:05 +0000 In-Reply-To: <20150128125703.GA3473@olila.local.net-space.pl> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Daniel Kiper Cc: Andrew Cooper , xen-devel List-Id: xen-devel@lists.xenproject.org >>> On 28.01.15 at 13:57, wrote: > On Wed, Jan 28, 2015 at 08:43:19AM +0000, Jan Beulich wrote: >> >>> On 27.01.15 at 21:18, wrote: >> > I am going to align EFI early command line parser to legacy >> > BIOS early boot path parser (I think about vga command line >> > option). So, I think that this EFI "bug" work could be based >> > on it. >> >> The vga option is completely meaningless under EFI. And any such > > Yep, I know that we have GOP there. I meant that user should have > a chance to choose arbitrary mode like in case of VGA. Currently, > he or she could only rely on automatic mode detection or just disable > this mechanism. So, I think we should implement vga option (or rename > it to gop) as is (maybe with some minor changes) in early EFI code. Sounds like you haven't seen the video= config file option... >> workaround implementation would ideally be done in a backportable >> way, i.e. without depending on a huge pile of other changes. > > We add more and more early options, so, maybe we could workout > something generic, easily reusable in other cases. Early options are different from the need to control the bootloader part of xen.efi. Jan