[Bug 377268] Re: package mysql-server-5.0 5.1.30really5.0.75-0ubuntu10 failed to install/upgrade: el subproceso post-installation script devolvi? el c?digo de salida de error 1

[Juri Haberland]

** This bug is no longer a duplicate of bug 79
   missing apparmor access rule

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https://bugs.launchpad.net/bugs/377268

Title:
  package mysql-server-5.0 5.1.30really5.0.75-0ubuntu10 failed to
  install/upgrade: el subproceso post-installation script devolvi? el
  c?digo de salida de error 1

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[Bug 444479] Re: missing apparmor access rule

[Juri Haberland]

Can you double-check that
a) really this line makes mysql start again (just remove that line, restart 
apparmor and try to restart mysql)
b) you really started mysql *after* apparmor

I just double-checked this issue on my system and mysql 5.1 will start
without problems with the proposed line missing.

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[Bug 444479] Re: missing apparmor access rule

[Juri Haberland]

To everyone having problems with not starting mysql daemons:
This bug (or better: omission) does *not* prevent mysql from starting - it just 
produces a message in the syslog about a denied file access.

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[Bug 444479] Re: missing apparmor access rule

[Juri Haberland]

Using

deny /sys/devices/system/cpu/ r,

seems to just suppress the message but makes no difference to
functionality (access to  /sys/devices/system/cpu/ is denied and
/proc/stat accessed instead).

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[Bug 444479] Re: missing apparmor access rule

[Juri Haberland]

No, not that I have noticed. Mysqld seems to access /proc/stat if
/sys/devices/system/cpu/ is not accessible.

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[Bug 444479] [NEW] missing apparmor access rule

[Juri Haberland]

Public bug reported:

Testing with mysql-server-5.1 5.1.37-1ubuntu4 on Karmic Beta1, I get the 
following error message in /var/log/syslog after starting mysqld:
kernel: [86913.526900] type=1503 audit(1254826475.203:56): operation=open 
pid=19633 parent=19632 profile=/usr/sbin/mysqld requested_mask=r:: 
denied_mask=r:: fsuid=0 ouid=0 name=/sys/devices/system/cpu/

Adding  /sys/devices/system/cpu/ r, to /etc/apparmor.d/usr.sbin.mysqld
fixes this problem.

** Affects: mysql-dfsg-5.1 (Ubuntu)
 Importance: Undecided
 Status: New

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