Craig Small 5a34ff0a99 Check for presence of disks in vmstat ... vmstat -d or vmstat -p would crash mysteriously under different circumstances. The problem was eventually tracked down to /sys not being mounted which meant is_disk() always returned false. The partition would then be attempted to be linked to a non-existent disk causing a segfault. vmstat will now not link to a disk if none exists. The change in testing will skip those tests when /sys/block doesn't exist. Many thanks to Daniel Schepler for his analysis and suggestions. Bug-Debian: http://bugs.debian.org/736628		2014-01-29 22:22:11 +11:00
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vmstat.exp	Check for presence of disks in vmstat	2014-01-29 22:22:11 +11:00