NC will trigger a race in libvirt (xen driver) with many concurrent connections
Bug #456878 reported by
Daniel Nurmi
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Eucalyptus |
Fix Released
|
High
|
Daniel Nurmi | ||
1.6 |
Fix Released
|
High
|
Unassigned |
Bug Description
If a single xen driver NC was to start many (16) concurrent VMs on a single host, a race in libvirt was triggered which caused instance startup failure. Fixed in r935.
Changed in eucalyptus: | |
status: | Fix Committed → Fix Released |
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still a problem in centos, where named semaphores do not work with pthreads. fixed in r955, where we use mutex instead of named semaphores for NC mutual exclusion