[bitbake-devel] [PATCH] runqueue: Fix dependency loop analysis 'hangs'
Richard Purdie
richard.purdie at linuxfoundation.org
Sat Feb 16 14:45:40 UTC 2019
Currently the mechanism for breaking out of the dependnecy loop analysis
code is broken and doesn't work leading to bitbake appearing to hang.
Add in a custom exception for this purpose and fix the code to exit
as intended, fixing the hang and making the dependency loop code
usable again.
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
lib/bb/runqueue.py | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/lib/bb/runqueue.py b/lib/bb/runqueue.py
index 80ae8a2a46..71f178de4f 100644
--- a/lib/bb/runqueue.py
+++ b/lib/bb/runqueue.py
@@ -410,6 +410,9 @@ class RunQueueData:
explored_deps = {}
msgs = []
+ class TooManyLoops(Exception):
+ pass
+
def chain_reorder(chain):
"""
Reorder a dependency chain so the lowest task id is first
@@ -462,7 +465,7 @@ class RunQueueData:
msgs.append("\n")
if len(valid_chains) > 10:
msgs.append("Aborted dependency loops search after 10 matches.\n")
- return msgs
+ raise TooManyLoops
continue
scan = False
if revdep not in explored_deps:
@@ -481,8 +484,11 @@ class RunQueueData:
explored_deps[tid] = total_deps
- for task in tasks:
- find_chains(task, [])
+ try:
+ for task in tasks:
+ find_chains(task, [])
+ except TooManyLoops:
+ pass
return msgs
--
2.20.1
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