Re: [Xen-users] [Xen-devel] [BUG REPORT] My Xen 4.3-unstable Changeset 26666 Installation is Broken!

["Singapore Citizen Mr. Teo En Ming (Zhang Enming)" <singapore.mr.teo.en.ming@xxxxxxxxx>]

On 27/07/2013 18:12, Gordan Bobic wrote:
> On 07/27/2013 10:52 AM, Singapore Citizen Mr. Teo En Ming (Zhang 
> Enming) wrote:
> > On 27/07/2013 17:49, Singapore Citizen Mr. Teo En Ming (Zhang Enming)
> > wrote:
> > > On 26/07/2013 16:52, Ren, Yongjie wrote:
> > > > > -----Original Message-----
> > > > > From: Singapore Citizen Mr. Teo En Ming (Zhang Enming)
> > > > > [mailto:singapore.mr.teo.en.ming@xxxxxxxxx]
> > > > > Sent: Friday, July 26, 2013 4:39 PM
> > > > > To: xen-devel@xxxxxxxxxxxxx; Teo En Ming (Zhang Enming); Ian 
> > > > > Campbell;
> > > > > Konrad Rzeszutek Wilk; Ren, Yongjie
> > > > > Subject: [BUG REPORT] My Xen 4.3-unstable Changeset 26666 
> > > > > Installation
> > > > > is Broken!
> > > > >
> > > > > Hi,
> > > > >
> > > > > My Xen 4.3-unstable changeset 26666 installation is broken. The
> > > > > following is my bug report.
> > > > >
> > > > > teo-en-ming@intel-core-i5-4430-desktop:~$ sudo xl create
> > > > > /etc/xen/windows7
> > > > > Parsing config from /etc/xen/windows7
> > > > > failed to free memory for the domain
> > > > >
> > > > > teo-en-ming@intel-core-i5-4430-desktop:~$ sudo xl list
> > > > > libxl: error: libxl.c:557:libxl_list_domain: geting domain info list:
> > > > > Permission denied
> > > > > libxl_domain_infolist failed.
> > > > >
> > > > > teo-en-ming@intel-core-i5-4430-desktop:~$ sudo xl dmesg
> > > > > libxl: error: libxl.c:4759:libxl_xen_console_read_line: reading 
> > > > > console
> > > > > ring buffer: Permission denied
> > > > >
> > > > > teo-en-ming@intel-core-i5-4430-desktop:~$ sudo xl info
> > > > > host                   : intel-core-i5-4430-desktop
> > > > > release                : 3.10.0-xen-teo.en.ming-sgp
> > > > > version                : #1 SMP Sat Jul 13 00:07:55 SGT 2013
> > > > > machine                : x86_64
> > > > > libxl: error: libxl.c:3938:libxl_get_physinfo: getting physinfo:
> > > > > Permission denied
> > > > > libxl_physinfo failed.
> > > > > libxl: error: libxl.c:4320:libxl_get_scheduler: getting domain info
> > > > > list: Permission denied
> > > > > xen_major              : 4
> > > > > xen_minor              : 3
> > > > > xen_extra              : -unstable
> > > > > xen_version            : 4.3-unstable
> > > > > xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p
> > > > > hvm-3.0-x86_32
> > > > > hvm-3.0-x86_32p hvm-3.0-x86_64
> > > > > xen_scheduler          : (null)
> > > > > xen_pagesize           : 4096
> > > > > platform_params        : virt_start=0xffff800000000000
> > > > > xen_changeset          : Thu Feb 28 09:22:41 2013 +0100
> > > > > 26666:94ece33caae2
> > > > > xen_commandline        :
> > > > > cc_compiler            : gcc (Ubuntu/Linaro 4.7.3-1ubuntu1) 4.7.3
> > > > > cc_compile_by          : root
> > > > > cc_compile_domain      :
> > > > > cc_compile_date        : Thu Jul 25 23:20:43 SGT 2013
> > > > > xend_config_format     : 4
> > > > >
> > > > > Please let me know how to solve this bug.
> > > > I don't know how to resolve it.
> > > > But if you want to do IGD passthrough, you can try with Xen 4.3.0
> > > > release with latest traditional qemu.
> > > > It can also successful for me with Xen 4.3.0 release with latest
> > > > traditional qemu.
> > > >
> > > > Best Regards,
> > > >       Yongjie (Jay)
> > > >
> > > >
> > > > > Thank you very much.
> > > > >
> > > > > --
> > > > > Yours sincerely,
> > > > >
> > > > > Singapore Citizen Mr. Teo En Ming (Zhang Enming)
> > > Hi Yongjie,
> > >
> > > I tried to use Xen 4.3.0 official release and Linux kernel 3.8.1 but
> > > IGD passthrough is still unsuccessful. Yellow triangle with
> > > exclamation mark and error code 43 still show up in Device Manager for
> > > Intel HD Graphics 4600.
> > >
> > > I have attached my configuration files. What else can I do?
> > >
> > > I have also filed a bug for Xen 4.3-unstable changeset 26666 at
> > > http://bugzilla-archived.xenproject.org/bugzilla/show_bug.cgi?id=1869
> > Hi All,
> >
> > Please check through my configuration files to see if there is any error
> > or mistake.
> >
> > Thank you very much.
> Have you tried a vBAR=pBAR patch?
>
> See here for more details:
>
> http://www.davidgis.fr/blog/index.php?2011/12/07/860-xen-42unstable-patches-for-vga-pass-through 
>
> This is mainly aimed at Nvidia GeForce cards (GeForce drivers don't 
> handle the case where vBAR != pBAR, but Quadro drivers do - I modified 
> my GeForce cards to equivalent Quadros to work around the issue). But 
> - it may also help with your situation. It is entirely plausible that 
> your GPU is having problems finding some of it's BARs, which might 
> also explain why it is stuck in a low resolution / 4-bit colour mode.
> I am not sure how much you might need to adapt this and which patches 
> you can skip or will have to modify for IGD instead of GeForce, but 
> it's probably worth a shot.
> Gordan
Hi Gordan,

According to Yongjie from Intel, he did not apply any patches to his Xen 
4.3-unstable changeset 26666. Anyway, I am using Intel HD Graphics 4600, 
so David Techer's NVIDIA patches don't apply to me.
Could you check my configuration files to see if there are any mistakes? 
Especially /etc/grub.d/40_custom.
--
Yours sincerely,

Singapore Citizen Mr. Teo En Ming (Zhang Enming)


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