900 second pause on boot

[Evan]

When I boot from a 3.13.0.x kernel I get a very odd 900 second (15 minute!) pause on boot (see attached dmesg log). Once past the pause the system works normally and with no issues. If I boot from a 3.2.0.x kernel there is no pause.

$ cat /etc/issue.net
Ubuntu 14.04.3 LTS

$ uname -a
Linux ubuntu 3.13.0-61-generic #100-Ubuntu SMP Wed Jul 29 11:22:15 UTC 2015 i686 i686 i686 GNU/Linux

I'm happy to provide any other information that would be useful.
---
ApportVersion: 2.14.1-0ubuntu3.11
Architecture: i386
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/dsp', '/dev/snd/by-path', '/dev/snd/controlC1', '/dev/snd/hwC1D0', '/dev/snd/hwC1D1', '/dev/snd/hwC1D2', '/dev/snd/hwC1D3', '/dev/snd/pcmC1D3p', '/dev/snd/pcmC1D7p', '/dev/snd/pcmC1D8p', '/dev/snd/pcmC1D9p', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/pcmC0D2c', '/dev/snd/pcmC0D2p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=
MachineType: Hewlett-Packard HP Compaq dc5800 Microtower
NonfreeKernelModules: nvidia
Package: linux (not installed)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcFB:

ProcKernelCmdLine: root=/dev/md0 ro all_generic_ide
ProcVersionSignature: Ubuntu 3.13.0-61.100-generic 3.13.11-ckt22
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-61-generic N/A
 linux-backports-modules-3.13.0-61-generic N/A
 linux-firmware 1.127.14
RfKill:
 3: phy3: Wireless LAN
  Soft blocked: no
  Hard blocked: no
Tags: trusty
Uname: Linux 3.13.0-61-generic i686
UpgradeStatus: Upgraded to trusty on 2015-06-27 (45 days ago)
UserGroups: adm admin audio cdrom dialout dip floppy fuse libvirtd lpadmin plugdev sambashare tty video
WpaSupplicantLog:

_MarkForUpload: True
dmi.bios.date: 08/01/2008
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 786F2 v01.51
dmi.board.asset.tag: 2UA9340HZZ
dmi.board.name: 2820h
dmi.board.vendor: Hewlett-Packard
dmi.chassis.asset.tag: 2UA9340HZZ
dmi.chassis.type: 6
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr786F2v01.51:bd08/01/2008:svnHewlett-Packard:pnHPCompaqdc5800Microtower:pvr:rvnHewlett-Packard:rn2820h:rvr:cvnHewlett-Packard:ct6:cvr:
dmi.product.name: HP Compaq dc5800 Microtower
dmi.sys.vendor: Hewlett-Packard

[Andy Whitcroft (apw)]

Does this occur with older kernels. Assuming not, which version was the last one which was good. I think this is a kernel issue, moving there.

[Brad Figg (brad-figg)]

This bug is missing log files that will aid in diagnosing the problem. From a terminal window please run:

apport-collect 1481991

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[Joseph Salisbury (jsalisbury)]

Are there any messages on the screen when the pause happens? If so, can you post an image in the bug report?

[Evan (echempel)]

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[Evan (echempel)]

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[Evan (echempel)]

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[Evan (echempel)]

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[Evan (echempel)]

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[Evan (echempel)]

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[Evan (echempel)]

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[Evan (echempel)]

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[Evan (echempel)]

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[Evan (echempel)]

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[Evan (echempel)]

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[Evan (echempel)]

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[Evan (echempel)]

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[Evan (echempel)]

Yes, I'm only seeing this on 3.13.0.x kernels, I don't see it with the older 3.2 kernels.

The messages on screen during the pause are the same as in the dmesg output in comment #1 before the 900s timestamp.

[Evan (echempel)]

Does needs-bisect tag mean there's some action you need from me?