The pid file can disappear when qemu is shutting down leading to a
file not found race before it is read.
Tweak the code to handle this and fix a rare but annoying race error
case.
[YOCTO #15036]
Signed-off-by: Richard Purdie <richard.pur...@linuxfoundation.org>
---
meta/lib/oeqa/utils/qemurunner.py | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/meta/lib/oeqa/utils/qemurunner.py
b/meta/lib/oeqa/utils/qemurunner.py
index 7273bbc3dbf..277cd328484 100644
--- a/meta/lib/oeqa/utils/qemurunner.py
+++ b/meta/lib/oeqa/utils/qemurunner.py
@@ -630,8 +630,12 @@ class QemuRunner:
# so it's possible that the file has been created but the content
is empty
pidfile_timeout = time.time() + 3
while time.time() < pidfile_timeout:
- with open(self.qemu_pidfile, 'r') as f:
- qemu_pid = f.read().strip()
+ try:
+ with open(self.qemu_pidfile, 'r') as f:
+ qemu_pid = f.read().strip()
+ except FileNotFoundError:
+ # Can be used to detect shutdown so the pid file can
disappear
+ return False
# file created but not yet written contents
if not qemu_pid:
time.sleep(0.5)
--
2.40.1
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