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[Qemu-devel] [Bug 1729623] Re: test-aio-multithread fails with 'Co-routi

From: Murilo Opsfelder Araújo
Subject: [Qemu-devel] [Bug 1729623] Re: test-aio-multithread fails with 'Co-routine re-entered recursively'
Date: Wed, 03 Jan 2018 17:15:29 -0000

I confirmed with Stefan and this bug was fixed by

commit fb0c43f34eed8b18678c6e1f481d8564b35c99ed
Author: Stefan Hajnoczi <address@hidden>
Date:   Mon Nov 6 19:02:33 2017 +0000

    tests-aio-multithread: fix /aio/multi/schedule race condition

** Changed in: qemu
       Status: New => Fix Released

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  test-aio-multithread fails with 'Co-routine re-entered recursively'

Status in QEMU:
  Fix Released

Bug description:
  git head is at fa73e146250181852c0915aa65df8d54d35485fa

  configure with the following

  ./configure --enable-attr --enable-bsd-user --enable-cap-ng\
   --enable-coroutine-pool  --enable-crypto-afalg --enable-curl\
   --enable-curses --enable-debug --enable-debug-info\
   --enable-debug-tcg      --enable-fdt      --enable-gcrypt \
   --enable-gnutls      --enable-gprof      --enable-gtk  \
   --enable-guest-agent      --enable-kvm      --enable-libiscsi \
   --enable-libssh2      --enable-linux-aio      --enable-linux-user \
   --enable-live-block-migration      --enable-modules   \
   --enable-numa      --enable-pie      --enable-profiler \
   --enable-qom-cast-debug      --enable-rbd      --enable-replication  \
   --enable-seccomp      --enable-smartcard      --enable-stack-protector \
   --enable-system      --enable-tcg      --enable-tcg-interpreter  \
   --enable-tools      --enable-tpm      --enable-trace-backend=ftrace \
   --enable-user      --enable-vhost-net      --enable-vhost-scsi  \
   --enable-vhost-user      --enable-vhost-vsock      --enable-virtfs  \ 
   --enable-vnc      --enable-tpm      --enable-vnc-png   \
   --enable-vnc-sasl      --enable-werror      --enable-xfsctl \
   --enable-gcov --enable-debug-stack-usage

  make -j 32

  make test-aio-multithread V=1

  File '/home/nasastry/qemu/include/qapi/qmp/qobject.h'
  No executable lines

  MALLOC_PERTURB_=${MALLOC_PERTURB_:-$(( ${RANDOM:-0} % 255 + 1))} gtester -k 
--verbose -m=quick tests/test-aio-multithread
  TEST: tests/test-aio-multithread... (pid=86877)
    /aio/multi/lifecycle:                                                OK
Co-routine re-entered recursively
  GTester: last random seed: R02S681209ce87fc22715b41223212d9f6f0
    /aio/multi/mutex/contended:                                          OK
    /aio/multi/mutex/handoff:                                            OK
    /aio/multi/mutex/mcs:                                                OK
    /aio/multi/mutex/pthread:                                            OK
  FAIL: tests/test-aio-multithread
  make: *** [check-tests/test-aio-multithread] Error 1

  Full log will be attached.

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