[Bug 1171838] Re: Last nights isc-dhcp-server update fails to start
Steve Langasek
steve.langasek at canonical.com
Tue Apr 23 15:54:10 UTC 2013
Hello cp, or anyone else affected,
Accepted isc-dhcp into quantal-proposed. The package will build now and
be available at http://launchpad.net/ubuntu/+source/isc-
dhcp/4.2.4-1ubuntu10.3 in a few hours, and then in the -proposed
repository.
Please help us by testing this new package. See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed. Your feedback will aid us getting this update
out to other Ubuntu users.
If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed. In either case, details of your testing will help
us make a better decision.
Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in
advance!
** Changed in: isc-dhcp (Ubuntu Quantal)
Status: In Progress => Fix Committed
** Tags added: verification-needed
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https://bugs.launchpad.net/bugs/1171838
Title:
Last nights isc-dhcp-server update fails to start
Status in “isc-dhcp” package in Ubuntu:
Fix Released
Status in “isc-dhcp” source package in Quantal:
Fix Committed
Bug description:
== Rational ==
The recent isc-dhcp SRU to quantal introduced a patch that fixes cases where checksum offloading would cause the checksum to be empty by having dhcpd re-calculate the checksum in those case.
This requires dhcpd to use raw sockets, unfortunately I forgot to
allow those in the apparmor profile.
I've had 3 report so far of people who got a broken dhcpd post-upgrade
and I suspect the number to be far higher.
The fix simply copies the apparmor profile as we have it in raring
which allows the extra socket type.
== Test case ==
1) Install dhcpd on a machine that does checksum offloading (virtual machine with virtio for example) or uses infiniband
2) Check that dhcpd starts
== Regression potential ==
This is a direct copy of the apparmor profile from raring. The dmesg entry below quite clearly matches the socket type, so I don't expect any regression to happen.
--- Original bug report ---
This is Ubuntu 12.10
Start-Date: 2013-04-22 20:48:32
Commandline: apt-get --assume-yes dist-upgrade
Upgrade: isc-dhcp-client:i386 (4.2.4-1ubuntu10.1, 4.2.4-1ubuntu10.2), isc-dhcp-common:i386 (4.2.4-1ubuntu10.1, 4.2.4-1ubuntu10.2), isc-dhcp-server:i386 (4.2.4-1ubuntu10.1, 4.2.4-1ubuntu10.2)
End-Date: 2013-04-22 20:49:28
I forced a downgrade to the previous packages isc-dhcp-client_4.2.4-1ubuntu10.1_i386.deb
isc-dhcp-common_4.2.4-1ubuntu10.1_i386.deb isc-dhcp-server_4.2.4-1ubuntu10.1_i386.deb and it is working now.
Here a few of the log entries from when it was working to when it
stopped working:
Apr 22 20:27:57 io dhcpd: DHCPACK to 192.168.2.98 (00:1f:d0:d0:ed:50) via eth1
Apr 22 20:38:00 io dhcpd: DHCPINFORM from 192.168.2.98 via eth1
Apr 22 20:38:00 io dhcpd: DHCPACK to 192.168.2.98 (00:1f:d0:d0:ed:50) via eth1
Apr 22 20:48:02 io dhcpd: DHCPINFORM from 192.168.2.98 via eth1
Apr 22 20:48:02 io dhcpd: DHCPACK to 192.168.2.98 (00:1f:d0:d0:ed:50) via eth1
Apr 22 20:49:21 io dhcpd: Wrote 0 deleted host decls to leases file.
Apr 22 20:49:21 io dhcpd: Wrote 0 new dynamic host decls to leases file.
Apr 22 20:49:21 io dhcpd: Wrote 31 leases to leases file.
Apr 22 20:49:21 io dhcpd: Open a socket for LPF: Permission denied
Apr 22 20:49:21 io kernel: [168459.938698] type=1400 audit(1366678161.188:42): apparmor="DENIED" operation="create" parent=1 profile="/usr/sbin/dhcpd" pid=2443 comm="dhcpd" family="packet" sock_type="raw" protocol=768
Apr 22 20:49:21 io dhcpd: Wrote 0 deleted host decls to leases file.
Apr 22 20:49:21 io dhcpd: Wrote 0 new dynamic host decls to leases file.
Apr 22 20:49:21 io dhcpd: Wrote 31 leases to leases file.
Apr 22 20:49:21 io dhcpd: Open a socket for LPF: Permission denied
Apr 22 20:49:21 io kernel: [168460.091513] type=1400 audit(1366678161.340:43): apparmor="DENIED" operation="create" parent=1 profile="/usr/sbin/dhcpd" pid=2482 comm="dhcpd" family="packet" sock_type="raw" protocol=768
Apr 22 20:49:21 io dhcpd: Wrote 0 deleted host decls to leases file.
Apr 22 20:49:21 io dhcpd: Wrote 0 new dynamic host decls to leases file.
Apr 22 20:49:21 io dhcpd: Wrote 31 leases to leases file.
Apr 22 20:49:21 io dhcpd: Open a socket for LPF: Permission denied
Apr 22 20:49:21 io kernel: [168460.404076] type=1400 audit(1366678161.656:44): apparmor="DENIED" operation="create" parent=1 profile="/usr/sbin/dhcpd" pid=2491 comm="dhcpd" family="packet" sock_type="raw" protocol=768
Apr 22 20:49:21 io dhcpd: Wrote 0 deleted host decls to leases file.
Apr 22 20:49:21 io dhcpd: Wrote 0 new dynamic host decls to leases file.
Apr 22 20:49:21 io dhcpd: Wrote 31 leases to leases file.
Apr 22 20:49:21 io dhcpd: Open a socket for LPF: Permission denied
Apr 22 20:49:21 io kernel: [168460.487047] type=1400 audit(1366678161.736:45): apparmor="DENIED" operation="create" parent=1 profile="/usr/sbin/dhcpd" pid=2498 comm="dhcpd" family="packet" sock_type="raw" protocol=768
Apr 22 20:49:21 io dhcpd: Wrote 0 deleted host decls to leases file.
Apr 22 20:49:21 io dhcpd: Wrote 0 new dynamic host decls to leases file.
Apr 22 20:49:21 io dhcpd: Wrote 31 leases to leases file.
Apr 22 20:49:21 io dhcpd: Open a socket for LPF: Permission denied
pr 23 07:14:39 io dhcpd: Wrote 31 leases to leases file.
Apr 23 07:14:40 io dhcpd: Open a socket for LPF: Permission denied
Apr 23 07:14:40 io kernel: [ 49.077715] type=1400 audit(1366715680.165:46): apparmor="DENIED" operation="create" parent=1 profile="/usr/sbin/dhcpd" pid=1817 comm="dhcpd" family="packet" sock_type="raw" protocol=768
Apr 23 07:14:40 io dhcpd: Wrote 0 deleted host decls to leases file.
Apr 23 07:14:40 io dhcpd: Wrote 0 new dynamic host decls to leases file.
Apr 23 07:14:40 io dhcpd: Wrote 31 leases to leases file.
Apr 23 07:14:40 io dhcpd: Open a socket for LPF: Permission denied
Apr 23 07:14:40 io kernel: [ 49.248752] type=1400 audit(1366715680.337:47): apparmor="DENIED" operation="create" parent=1 profile="/usr/sbin/dhcpd" pid=1892 comm="dhcpd" family="packet" sock_type="raw" protocol=768
Apr 23 07:14:40 io dhcpd: Wrote 0 deleted host decls to leases file.
Apr 23 07:14:40 io dhcpd: Wrote 0 new dynamic host decls to leases file.
Apr 23 07:14:40 io dhcpd: Wrote 31 leases to leases file.
Apr 23 07:14:40 io dhcpd: Open a socket for LPF: Permission denied
Apr 23 07:14:40 io kernel: [ 49.509316] type=1400 audit(1366715680.597:48): apparmor="DENIED" operation="create" parent=1 profile="/usr/sbin/dhcpd" pid=2101 comm="dhcpd" family="packet" sock_type="raw" protocol=768
Apr 23 07:14:40 io dhcpd: Wrote 0 deleted host decls to leases file.
Apr 23 07:14:40 io dhcpd: Wrote 0 new dynamic host decls to leases file.
Apr 23 07:14:40 io dhcpd: Wrote 31 leases to leases file.
Apr 23 07:14:41 io dhcpd: Open a socket for LPF: Permission denied
Apr 23 07:14:41 io kernel: [ 49.956465] type=1400 audit(1366715681.045:49): apparmor="DENIED" operation="create" parent=1 profile="/usr/sbin/dhcpd" pid=2119 comm="dhcpd" family="packet" sock_type="raw" protocol=768
Apr 23 07:14:41 io dhcpd: Wrote 0 deleted host decls to leases file.
Apr 23 07:14:41 io dhcpd: Wrote 0 new dynamic host decls to leases file.
Apr 23 07:14:41 io dhcpd: Wrote 31 leases to leases file.
Apr 23 07:14:41 io dhcpd: Open a socket for LPF: Permission denied
Apr 23 07:14:41 io kernel: [ 50.147287] type=1400 audit(1366715681.237:50): apparmor="DENIED" operation="create" parent=1 profile="/usr/sbin/dhcpd" pid=2139 comm="dhcpd" family="packet" sock_type="raw" protocol=768
Apr 23 07:14:41 io dhcpd: Wrote 0 deleted host decls to leases file.
Apr 23 07:14:41 io dhcpd: Wrote 0 new dynamic host decls to leases file.
Apr 23 07:14:41 io dhcpd: Wrote 31 leases to leases file.
Apr 23 07:14:41 io dhcpd: Open a socket for LPF: Permission denied
Apr 23 07:14:41 io kernel: [ 50.332243] type=1400 audit(1366715681.421:51): apparmor="DENIED" operation="create" parent=1 profile="/usr/sbin/dhcpd" pid=2154 comm="dhcpd" family="packet" sock_type="raw" protocol=768
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