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[Xen-users] xenstored and xend cannot start (no gntdev found)

  • To: <xen-users@xxxxxxxxxxxxx>
  • From: "Yiming Zhang" <sdiris@xxxxxxxxx>
  • Date: Sat, 5 Jan 2013 18:22:16 -0000
  • Delivery-date: Sat, 05 Jan 2013 18:23:33 +0000
  • List-id: Xen user discussion <xen-users.lists.xen.org>
  • Thread-index: Ac3rbwNsY239ucw+SnWEwNfvJUGMrA==

Dear all, I want to build xen 3.4.4 on cent0s5.8 (kernel 2.6.18) and I did
the following:

# yum install kernel-xen
# make xen tools stubdom
# make install-xen install-tools install-stubdom

After reboot, I successfully get into the new dom0 kernel. However, it seems
"xm list" cannot work and xend failed to start.

# xend start
xend-debug.log says "sysctl operation failed - need to rebuild the
user-space tool set?"
# xenstored 
I get "FATAL: Failed to initialize dom0 state: Invalid argument"

I googled the problem. Wiki says two device nodes, evtchn and gntdev ,should
exist. But I can find only "evtchn" either by "ls /proc/xen/" or by "cat
/proc/misc". So I guess it is because of the lack of gntdev? But I don't
know how to add it. (I installed the precompiled kernel so I don't want to
recompile it. It must be another nightmare...)

Can someone give me some advice? Thanks! 

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