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how to kill a 'mount' command that has hung
How does one kill a 'mount' command that has hung ?
NetBSD x53u 6.99.10 NetBSD 6.99.10 (GENERIC) #0: Tue Aug 28 05:55:38 UTC 2012
. Take a external USB disk formatted with ext3fs file system.
. run a 'find *.*' or 'mplayer mp3.song'
. after about 3-4 min. the mount will hang.
. the LED on the disk will be blinking fast.
1. Attempting to perform a 'kill -9 mountPID' simply returns a prompt, but the
mount command continues to hang.
2. both WCPU and CPU show system CPU utilization range as 98.3 - 98.9%. after
about 20 minutes or so, the CPU utilization comes down to 55%.
3. a user login in another terminal succeeds.
4. a user app eg. 'alpine' starting an alternate editor 'vi' hangs.
5. a kill -9 attempt to a user process from another root terminal has not
affect, ie. the command simply returns but the process is there.
6. /sbin/shutdown -p now' command hangs at 'shutdown hooks' message. the only
way to shutdown is to press the power switch.
if the 'kill' command is not the solution, what is the recommended approach ?
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