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Re: qemu iotest 161 and make check


From: Christian Borntraeger
Subject: Re: qemu iotest 161 and make check
Date: Mon, 5 Dec 2022 14:49:45 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.5.0



Am 27.10.22 um 07:54 schrieb Christian Borntraeger:
[...]
diff --git a/tests/qemu-iotests/common.qemu b/tests/qemu-iotests/common.qemu
index 0f1fecc68e..01bdb05575 100644
--- a/tests/qemu-iotests/common.qemu
+++ b/tests/qemu-iotests/common.qemu
@@ -388,7 +388,7 @@ _cleanup_qemu()
                  kill -KILL ${QEMU_PID} 2>/dev/null
              fi
              if [ -n "${QEMU_PID}" ]; then
-                wait ${QEMU_PID} 2>/dev/null # silent kill
+                wait 2>/dev/null # silent kill
              fi
          fi


And this also helps. Still trying to find out what clone/fork happens here.

As a new information, the problem only exists on Ubuntu,
I cannot reproduce it with Fedora or RHEL. I also changed
the kernel, its not the reason. As soon as I add tracing
the different timing also makes the problem go away.



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