SysV shutdown hanging

[Thomas Schwinge]

Hi!

In my QEMU Debian GNU/Hurd instance, I do some stuff (GDB testsuite, for
example), and then issue a »sudo shutdown -r now«.  This doesn't
complete, but hangs like this:

      PID  UID  PPID  PGrp  Sess TH  Vmem   RSS %CPU     User   System Args
    [...]
    28386    0     1 28386 28386  2  147M 1.67M  0.0  0:00.00  0:00.01 /bin/sh 
/etc/init.d/rc 6
    28391    0 28386 28386 28386  2  146M 1000K  0.0  0:00.01  0:00.00 
/lib/startpar/startpar -p 4 -t 20 -T 3 -M stop -P 2 -R 6
    28413    0 28391 28386 28386  2  147M 1.72M  0.0  0:00.00  0:00.00 /bin/sh 
/etc/init.d/sendsigs stop
    28418    0 28413 28386 28386  2  146M  668K  0.0  0:00.00  0:00.00 sync
    [...]

The sync is hanging; confirmed with a manually run »syncfs -s« which also
hangs.  What seems suspicious is the following:

      814    0     5     1     1 15  141M  984K 99.8  0:00.23 11:47.19 
/hurd/console

..., and indeed if I »kill -KILL« that one, some time later (?), the
shutdown proceeds.


Grüße,
 Thomas

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