Bug#756205: gvfs-daemons: gvfsd-metadata continuously does disk accesses

[Vincent Lefevre]

On 2014-07-27 16:16:39 +0200, Vincent Lefevre wrote:
> gvfsd-metadata continuously does disk accesses. It creates files
> in /home/vinc17/share/gvfs-metadata, thne erase them, and so on,
> several times per second, in such a point that files have already
> disappeared when doing a "ls -l". For instance, at 16:05:53,

According to atop, gvfs-metadata started between 12:52:35 and 13:02:35.

13:02:35
  PID  SYSCPU  USRCPU  VGROW  RGROW  RDDSK   WRDSK ST EXC S  CPU  CMD       1/22
31453   4.04s  16.01s   676K   500K     4K  557.8M --   - D   3%  gvfsd-metadata

13:12:35
  PID  SYSCPU  USRCPU  VGROW  RGROW  RDDSK   WRDSK ST EXC S  CPU  CMD       1/27
31453   4.19s  17.93s   -68K   -56K     0K  614.1M --   - D   4%  gvfsd-metadata

13:22:35
  PID  SYSCPU  USRCPU  VGROW  RGROW  RDDSK   WRDSK ST EXC S  CPU  CMD       1/20
31453   4.37s  17.94s    68K    56K     0K  618.8M --   - D   4%  gvfsd-metadata

13:32:35
  PID  SYSCPU  USRCPU  VGROW  RGROW  RDDSK   WRDSK ST EXC S  CPU  CMD       1/18
31453   4.20s  16.74s   -68K   -56K     0K  585.2M --   - D   4%  gvfsd-metadata

13:42:35
  PID  SYSCPU  USRCPU  VGROW  RGROW  RDDSK   WRDSK ST EXC S  CPU  CMD       1/18
31453   4.73s  17.93s    68K    56K     0K  624.5M --   - D   4%  gvfsd-metadata

13:52:35
  PID  SYSCPU  USRCPU  VGROW  RGROW  RDDSK   WRDSK ST EXC S  CPU  CMD       1/18
31453   3.99s  17.19s     0K     0K     0K  588.9M --   - D   4%  gvfsd-metadata

and so on, thus about 1 MB written to disk per second.

Before 13:02:35, /var/log/syslog contains, concerning what could be
related:

Jul 27 12:50:53 xvii dbus[2272]: [system] Activating service name='org.freedesktop.UDisks2' (using servicehelper)
Jul 27 12:50:53 xvii udisksd[31377]: udisks daemon version 2.1.3 starting
Jul 27 12:50:53 xvii dbus[2272]: [system] Successfully activated service 'org.freedesktop.UDisks2'
Jul 27 12:50:53 xvii udisksd[31377]: Acquired the name org.freedesktop.UDisks2 on the system message bus

but I don't know why.

-- 
Vincent Lefèvre <vincent at vinc17.net> - Web: <https://www.vinc17.net/>
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Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)