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fix CARP panics with VLANs

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This commit is contained in:
Chris Buechler 2008-12-08 02:31:36 +00:00
parent 839de3f1dc
commit 2f6f9dc381
1 changed files with 12 additions and 1 deletions
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13
etc/inc/interfaces.inc
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@ -68,7 +68,18 @@ function interface_vlan_configure($if, $tag, $vlanif = "") {
mwexec("/sbin/ifconfig " . escapeshellarg($if) . " up vlanhwtag vlanmtu");
if ($g['booting'] || !(empty($vlanif))) {
mwexec("/sbin/ifconfig {$vlanif} destroy", true);
/* before destroying, see if CARP is in use
If an interface containing an active CARP IP is destroyed,
the CARP interface will hang in INIT and must be destroyed
itself before it will function again (which causes a panic).
Trying to configure a CARP interface stuck in INIT will
cause a panic as well. -cmb
*/
$carpcount = find_number_of_needed_carp_interfaces();
/* will continue to destroy VLANs where CARP is not in use
to retain previous behavior and avoid regressions */
if($carpcount < 1)
mwexec("/sbin/ifconfig {$vlanif} destroy");
mwexec("/sbin/ifconfig {$vlanif} create");
} else
$vlanif = exec("/sbin/ifconfig vlan create");