Mark Wu has posted comments on this change.

Change subject: faqemu: remove the fake /dev/kvm after vdsmd stops
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Patch Set 1:

Zhengsheng,

I found the problem could be caused by udev on fedora:
1. modprobe -r kvm_intel
2. touch /dev/kvm
3. udevadm control --log-priority=debug
4. tailf /var/log/messages in a new terminal
5. modprobe kvm_intel

Then you can see the related message in the log file:
udevd[4144]: GROUP 36 /usr/lib/udev/rules.d/80-kvm.rules:1
udevd[4144]: MODE 0666 /usr/lib/udev/rules.d/80-kvm.rules:1
udevd[4144]: handling device node '/dev/kvm', devnum=c10:232, mode=0666, uid=0, 
gid=36
udevd[4144]: found node '/dev/kvm' with non-matching devnum c10:232, skip 
handling

So I guess the handling of non-matching dev node is different between udev on 
rhel and fedora. You could take a look. But I think we needn't spend much time 
on it, because we can use nested kvm instead of the faqemu hook. nested kvm is 
much cooler, right? :)

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Gerrit-MessageType: comment
Gerrit-Change-Id: I1c1183acf90cd32444b1c26fa20aa843e4a0556d
Gerrit-PatchSet: 1
Gerrit-Project: vdsm
Gerrit-Branch: master
Gerrit-Owner: Zhou Zheng Sheng <[email protected]>
Gerrit-Reviewer: Mark Wu <[email protected]>
Gerrit-Reviewer: Ryan Harper <[email protected]>
Gerrit-Reviewer: Yaniv Bronhaim <[email protected]>
Gerrit-Reviewer: Zhou Zheng Sheng <[email protected]>
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