** Description changed:
+ ============================================
+ SRU justification
+ ============================================
+ 1. Impact: libvirt may fail to start
+ 2. Development fix: have libvirt use -w flag to iptables to have it wait
rather than fail on lock contention
+ 3. Stable fix: same as dev fix
+ 4. Test case: install ufw and libvirt; reboot a few times.
+ 5. Regression potential: there should be none, this only passes the -w flag
to iptables if it is supported.
+
Running KVM under Ubuntu 13.10 64 bits.
+ ===================================================
When UFW is enabled, the default network won't start automatically when
set to do so. Manual startup of the network must be done before starting
the first guest.
Error in /var/log/libvirt/libvirtd.log when UFW is enabled :
2013-10-28 02:53:31.732+0000: 1485: error : virCommandWait:2348 : internal
error: Child process (/sbin/iptables --table filter --insert INPUT
--in-interface virbr0 --protocol tcp --destination-port 67 --jump ACCEPT)
unexpected exit status 4: Another app is currently holding the xtables lock.
Perhaps you want to use the -w option?
2013-10-28 02:53:31.732+0000: 1485: error :
networkAddGeneralFirewallRules:1895 : failed to add iptables rule to allow DHCP
requests from 'virbr0'
Disabling UFW and rebooting solves the issue (default network is started
automatically).
This behaviour is new in 13.10 (it was working fine in 13.04 and
before).
** Changed in: libvirt (Ubuntu Saucy)
Status: New => Triaged
** Changed in: libvirt (Ubuntu Saucy)
Importance: Undecided => High
** Changed in: libvirt (Ubuntu)
Importance: Medium => High
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https://bugs.launchpad.net/bugs/1245322
Title:
UFW blocks libvirtd default network from starting automatically in
Saucy
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