[Bug 1283136] Re: Profiling takes a long time on veriton

[Steve Langasek]

Here's the relevant process tree:

root       826  0.0  0.0   4444   652 ?        Ss   22:11   0:00 /bin/sh -e /proc/self/fd/9
root       857  0.0  0.0   4444   828 ?        S    22:11   0:00  \_ /bin/sh /etc/init.d/rc 2
root       978  0.0  0.0   4444   804 ?        S    22:11   0:00      \_ /bin/sh /etc/rc2.d/S99rc.local start
root       984  0.0  0.0   4444   648 ?        S    22:11   0:00          \_ /bin/sh /etc/rc.local
root       985  9.9  4.0 155556 83000 ?        S    22:11   0:12              \_ python /usr/bin/utah --resume -o /var/lib/utah/utah.out -r /var/lib/utah/master.run-reboot
root      1941  0.0  0.0   4444   652 ?        S    22:11   0:00                  \_ /bin/sh -c sudo -n -u root bash clean.sh

The problem is that utah is hooking into (and dynamically rewriting)
/etc/rc.local, which blocks the rc job from finishing.  So I think
that's clearly a utah bug, not a ureadahead bug.

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https://bugs.launchpad.net/bugs/1283136

Title:
  Profiling takes a long time on veriton

Status in “ureadahead” package in Ubuntu:
  Invalid

Bug description:
  On the acer veriton machines we use for bootspeed in the ci lab,
  profiling is taking in excess of 30 minutes.  I'm attaching the
  ureadahead log and the fstab.

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