On Fri, May 28, 2010 at 06:18:18PM +0800, wenche_chang@xxxxxxxxxxxx wrote:
> Hi pasi
>
> You are right.
> There is not any file in /proc/xen and I can't see xen-evtchn when I run
> lsmod.
>
> But I don???t know how to fix these problems even I read the link in wiki.
> Can you provide more detail reference?
>
- Check your dom0 kernel .config file. Is the Xen event channel compiled in, or
is it built as a module?
If it's a module, then use "modprobe xen-evtchn" to load it.
- For mounting /proc/xen see the example fstab entry on the XenParavirtOps wiki
page. Add the line to /etc/fstab and after that run "mount /proc/xen".
Xen 3.4.3 and 4.0.0 should automatically mount /proc/xen though.
-- Pasi
> thanks a lot.
> -----Original Message-----
> From: Pasi Kärkkäinen [mailto:pasik@xxxxxx]
> Sent: Friday, May 28, 2010 5:48 PM
> To: Wen Che Chang (RD-TW)
> Cc: Xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-devel] failed to build xen from source code
>
> On Fri, May 28, 2010 at 05:35:09PM +0800, wenche_chang@xxxxxxxxxxxx wrote:
> > Hi
> > I have read "Xend does not start when using pv_ops dom0 kernel? "in this
> > link and I don???t think it's my problem
> >
> > I download SRPM of XEN 4.0.0 from
> > http://pasik.reaktio.net/fedora/xen-4.0.0-0.7.fc12.src.rpm or
> > http://fedorapeople.org/~myoung/dom0/src/xen-4.0.0-0.7.fc12.src.rpm
> >
> > After installation it in Fedora 12 , xend works well, but it can't start if
> > I install Xen from http://xenbits.xen.org/xen-4.0-testing.hg
> >
>
> I think the init scripts in Fedora rpm do more than the default scripts in
> upstream Xen.
>
> So:
> - Do you have /proc/xen (xenfs) mounted? Do you have files in it?
> - Do you have xen-evtchn driver loaded? Run lsmod if it's compiled as a
> module in your dom0 kernel.
>
> Both of those need to be OK before xend starts.
>
> -- Pasi
>
> > -----Original Message-----
> > From: Pasi Kärkkäinen [mailto:pasik@xxxxxx]
> > Sent: Friday, May 28, 2010 4:51 PM
> > To: Wen Che Chang (RD-TW)
> > Cc: jeremy@xxxxxxxx; Xen-devel@xxxxxxxxxxxxxxxxxxx
> > Subject: Re: [Xen-devel] failed to build xen from source code
> >
> > On Fri, May 28, 2010 at 03:33:54PM +0800, wenche_chang@xxxxxxxxxxxx wrote:
> > > Hi
> > >
> > > after install these two RPMs , I can build and install the xen 4.0.1
> > >
> > > But there are some troubles about xend , the error message is shown as
> > > below
> > >
> > > [root@localhost ~]# xm list
> > > Unable to connect to xend: No such file or directory. Is xend running?
> > >
> > > [root@localhost ~]# xend
> > > ERROR Internal error: Could not obtain handle on privileged command
> > > interface (2 = No such file or directory)
> > > Traceback (most recent call last):
> > > File "/usr/sbin/xend", line 36, in <module>
> > > from xen.xend.server import SrvDaemon
> > > File
> > > "/usr/lib64/python2.6/site-packages/xen/xend/server/SrvDaemon.py",
> > > line 26, in <module>
> > > import relocate
> > > File
> > > "/usr/lib64/python2.6/site-packages/xen/xend/server/relocate.py",
> > > line 28, in <module>
> > > from xen.xend import XendDomain
> > > File "/usr/lib64/python2.6/site-packages/xen/xend/XendDomain.py",
> > > line
> > > 36, in <module>
> > > from xen.xend import XendOptions, XendCheckpoint, XendDomainInfo
> > > File "/usr/lib64/python2.6/site-packages/xen/xend/XendCheckpoint.py",
> > > line 20, in <module>
> > > from xen.xend import balloon, sxp, image
> > > File "/usr/lib64/python2.6/site-packages/xen/xend/image.py", line
> > > 46, in
> > > <module>
> > > xc = xen.lowlevel.xc.xc()
> > > xen.lowlevel.xc.Error: (1, 'Internal error', 'Could not obtain handle
> > > on
> > > privileged command interface (2 = No such file or directory)')
> > >
> > >
> > > Any idea?
> > >
> >
> >
> > Try reading the troubleshooting tips at:
> > http://wiki.xensource.com/xenwiki/XenParavirtOps
> >
> >
> > -- Pasi
> >
> >
> > >
> > > --------------------------------------------------------------------------
> > >
> > > From: Jeremy Fitzhardinge [mailto:jeremy@xxxxxxxx]
> > > Sent: 2010/5/28 [¬PŽÁ€] €U€È 12:19
> > > To: Wen Che Chang (RD-TW)
> > > Cc: Xen-devel@xxxxxxxxxxxxxxxxxxx
> > > Subject: Re: [Xen-devel] failed to build xen from source code
> > >
> > > On 05/27/2010 08:47 PM, wenche_chang@xxxxxxxxxxxx wrote:
> > > > Hi
> > > > I tried to install Xen 4.0.1 from
> > > > [1]http://*xen*bits.*xen*.org/*xen*-*4.0*-testing.hg
> > > > <[2]http://xenbits.xen.org/xen-4.0-testing.hg>
> > > > I use the installation step in Xen wiki as shown below
> > > > yum groupinstall "Development Libraries"
> > > > yum groupinstall "Development Tools"
> > > > yum install transfig texi2html libaio-devel dev86 glibc-devel
> > > e2fsprogs-devel gitk mkinitrd iasl xz-devel bzip2-devel
> > > > hg clone [3]http://xenbits.xen.org/xen-4.0-testing.hg
> > > > cd xen-4.0-testing.hg
> > > > make xen
> > > > make tools
> > > > make stubdom
> > > > I failed in "make tools" and it shows
> > > > /usr/bin/ld: cannot find -lpci
> > > >
> > >
> > > I think you also need pciutils-libs and pciutils-devel.
> > >
> > > J
> > >
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> > > References
> > >
> > > Visible links
> > > 1. http://*xen*bits.*xen*.org/*xen*-*4.0*-testing.hg
> > > 2. http://xenbits.xen.org/xen-4.0-testing.hg
> > > 3. http://xenbits.xen.org/xen-4.0-testing.hg
> >
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> > > http://lists.xensource.com/xen-devel
> >
> >
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