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Table 7 Sorted concurrency bugs severity

From: Concurrency bugs in open source software: a case study

Rank Severity Most frequent concurrency bug types
1 Blocker
2 Critical Deadlock (17%)
   Suspension (21%)
3 Major Atomicity violation (5%)
   Starvation (6%)
   Livelock (1%)
4 Minor Data race (59%)
   Order violation (18%)
   Atomicity violation (5%)
5 Trival