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Neat trick to rescue Hurd systems

From: Justus Winter
Subject: Neat trick to rescue Hurd systems
Date: Wed, 10 Dec 2014 15:02:08 +0100
User-agent: alot/0.3.5


I came up with a neat trick to rescue hanging Hurd systems.  Or
rather, the filesystems.  When we kill an essential task from the
kernel debugger, /hurd/startup will reboot the system:

Stopped  at  machine_idle+0xe:   leave
db> call task_terminate($task4)
db> c
/hurd/startup: Crashing system; essential task proc died
startup: notifying ext2fs device:hd0s1 of reboot...done
startup: rebooting Mach (flags 0)...


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