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qemu/tests/qemu-iotests/153.out
Sergio Lopez 9cd97956cf iotests: 153: Wait for an answer to QMP commands 
There are various actions in this test that must be executed
sequentially, as the result of it depends on the state triggered by the
previous one.

If the last argument of _send_qemu_cmd() is an empty string, it just
sends the QMP commands without waiting for an answer. While unlikely, it
may happen that the next action in the test gets invoked before QEMU
processes the QMP request.

This issue seems to be easier to reproduce on servers with limited
resources or highly loaded.

With this change, we wait for an answer on all _send_qemu_cmd() calls.

Signed-off-by: Sergio Lopez <slp@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-03-19 15:49:29 +01:00

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QA output created by 153
== readonly=off,force-share=on should be rejected ==
QEMU_PROG: -drive if=none,file=null-co://,readonly=off,force-share=on: force-share=on can only be used with read-only images
== Creating base image ==
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=33554432
== Creating test image ==
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=33554432 backing_file=TEST_DIR/t.IMGFMT.base
== Launching QEMU, opts: '' ==
== Launching another QEMU, opts: '' ==
QEMU_PROG: -drive file=TEST_DIR/t.qcow2,if=none,: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
== Launching another QEMU, opts: 'read-only=on' ==
QEMU_PROG: -drive file=TEST_DIR/t.qcow2,if=none,read-only=on: Failed to get shared "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
== Launching another QEMU, opts: 'read-only=on,force-share=on' ==
== Running utility commands ==
_qemu_io_wrapper -c read 0 512 TEST_DIR/t.qcow2
can't open device TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_io_wrapper -r -c read 0 512 TEST_DIR/t.qcow2
can't open device TEST_DIR/t.qcow2: Failed to get shared "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_io_wrapper -c open TEST_DIR/t.qcow2 -c read 0 512
can't open device TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
no file open, try 'help open'
_qemu_io_wrapper -c open -r TEST_DIR/t.qcow2 -c read 0 512
can't open device TEST_DIR/t.qcow2: Failed to get shared "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
no file open, try 'help open'
_qemu_img_wrapper info TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get shared "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper check TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get shared "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper compare TEST_DIR/t.qcow2 TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get shared "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper map TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get shared "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper amend -o TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper commit TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper resize TEST_DIR/t.qcow2 32M
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper rebase TEST_DIR/t.qcow2 -b TEST_DIR/t.qcow2.base
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper snapshot -l TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get shared "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper convert TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.convert
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get shared "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper dd if=TEST_DIR/t.qcow2 of=TEST_DIR/t.qcow2.convert bs=512 count=1
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get shared "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper bench -c 1 TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get shared "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper bench -w -c 1 TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper create -f qcow2 TEST_DIR/t.qcow2 -b TEST_DIR/t.qcow2.base
qemu-img: TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
file format: IMGFMT
== Running utility commands -U ==
_qemu_io_wrapper -U -c read 0 512 TEST_DIR/t.qcow2
can't open device TEST_DIR/t.qcow2: force-share=on can only be used with read-only images
_qemu_io_wrapper -U -r -c read 0 512 TEST_DIR/t.qcow2
_qemu_io_wrapper -c open -U TEST_DIR/t.qcow2 -c read 0 512
can't open device TEST_DIR/t.qcow2: force-share=on can only be used with read-only images
no file open, try 'help open'
_qemu_io_wrapper -c open -r -U TEST_DIR/t.qcow2 -c read 0 512
_qemu_img_wrapper info -U TEST_DIR/t.qcow2
_qemu_img_wrapper check -U TEST_DIR/t.qcow2
_qemu_img_wrapper compare -U TEST_DIR/t.qcow2 TEST_DIR/t.qcow2
_qemu_img_wrapper map -U TEST_DIR/t.qcow2
_qemu_img_wrapper amend -o -U TEST_DIR/t.qcow2
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper commit -U TEST_DIR/t.qcow2
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper resize -U TEST_DIR/t.qcow2 32M
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper rebase -U TEST_DIR/t.qcow2 -b TEST_DIR/t.qcow2.base
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper snapshot -l -U TEST_DIR/t.qcow2
_qemu_img_wrapper convert -U TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.convert
_qemu_img_wrapper dd -U if=TEST_DIR/t.qcow2 of=TEST_DIR/t.qcow2.convert bs=512 count=1
_qemu_img_wrapper bench -U -c 1 TEST_DIR/t.qcow2
_qemu_img_wrapper bench -U -w -c 1 TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': force-share=on can only be used with read-only images
Round done
== Creating base image ==
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=33554432
== Creating test image ==
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=33554432 backing_file=TEST_DIR/t.IMGFMT.base
== Launching QEMU, opts: 'read-only=on' ==
== Launching another QEMU, opts: '' ==
QEMU_PROG: -drive file=TEST_DIR/t.qcow2,if=none,: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
== Launching another QEMU, opts: 'read-only=on' ==
== Launching another QEMU, opts: 'read-only=on,force-share=on' ==
== Running utility commands ==
_qemu_io_wrapper -c read 0 512 TEST_DIR/t.qcow2
can't open device TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_io_wrapper -r -c read 0 512 TEST_DIR/t.qcow2
_qemu_io_wrapper -c open TEST_DIR/t.qcow2 -c read 0 512
can't open device TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
no file open, try 'help open'
_qemu_io_wrapper -c open -r TEST_DIR/t.qcow2 -c read 0 512
_qemu_img_wrapper info TEST_DIR/t.qcow2
_qemu_img_wrapper check TEST_DIR/t.qcow2
_qemu_img_wrapper compare TEST_DIR/t.qcow2 TEST_DIR/t.qcow2
_qemu_img_wrapper map TEST_DIR/t.qcow2
_qemu_img_wrapper amend -o TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper commit TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper resize TEST_DIR/t.qcow2 32M
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper rebase TEST_DIR/t.qcow2 -b TEST_DIR/t.qcow2.base
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper snapshot -l TEST_DIR/t.qcow2
_qemu_img_wrapper convert TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.convert
_qemu_img_wrapper dd if=TEST_DIR/t.qcow2 of=TEST_DIR/t.qcow2.convert bs=512 count=1
_qemu_img_wrapper bench -c 1 TEST_DIR/t.qcow2
_qemu_img_wrapper bench -w -c 1 TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper create -f qcow2 TEST_DIR/t.qcow2 -b TEST_DIR/t.qcow2.base
qemu-img: TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
file format: IMGFMT
== Running utility commands -U ==
_qemu_io_wrapper -U -c read 0 512 TEST_DIR/t.qcow2
can't open device TEST_DIR/t.qcow2: force-share=on can only be used with read-only images
_qemu_io_wrapper -U -r -c read 0 512 TEST_DIR/t.qcow2
_qemu_io_wrapper -c open -U TEST_DIR/t.qcow2 -c read 0 512
can't open device TEST_DIR/t.qcow2: force-share=on can only be used with read-only images
no file open, try 'help open'
_qemu_io_wrapper -c open -r -U TEST_DIR/t.qcow2 -c read 0 512
_qemu_img_wrapper info -U TEST_DIR/t.qcow2
_qemu_img_wrapper check -U TEST_DIR/t.qcow2
_qemu_img_wrapper compare -U TEST_DIR/t.qcow2 TEST_DIR/t.qcow2
_qemu_img_wrapper map -U TEST_DIR/t.qcow2
_qemu_img_wrapper amend -o -U TEST_DIR/t.qcow2
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper commit -U TEST_DIR/t.qcow2
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper resize -U TEST_DIR/t.qcow2 32M
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper rebase -U TEST_DIR/t.qcow2 -b TEST_DIR/t.qcow2.base
qemu-img: Could not open 'TEST_DIR/t.qcow2': Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
_qemu_img_wrapper snapshot -l -U TEST_DIR/t.qcow2
_qemu_img_wrapper convert -U TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.convert
_qemu_img_wrapper dd -U if=TEST_DIR/t.qcow2 of=TEST_DIR/t.qcow2.convert bs=512 count=1
_qemu_img_wrapper bench -U -c 1 TEST_DIR/t.qcow2
_qemu_img_wrapper bench -U -w -c 1 TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': force-share=on can only be used with read-only images
Round done
== Creating base image ==
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=33554432
== Creating test image ==
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=33554432 backing_file=TEST_DIR/t.IMGFMT.base
== Launching QEMU, opts: 'read-only=on,force-share=on' ==
== Launching another QEMU, opts: '' ==
== Launching another QEMU, opts: 'read-only=on' ==
== Launching another QEMU, opts: 'read-only=on,force-share=on' ==
== Running utility commands ==
_qemu_io_wrapper -c read 0 512 TEST_DIR/t.qcow2
_qemu_io_wrapper -r -c read 0 512 TEST_DIR/t.qcow2
_qemu_io_wrapper -c open TEST_DIR/t.qcow2 -c read 0 512
_qemu_io_wrapper -c open -r TEST_DIR/t.qcow2 -c read 0 512
_qemu_img_wrapper info TEST_DIR/t.qcow2
_qemu_img_wrapper check TEST_DIR/t.qcow2
_qemu_img_wrapper compare TEST_DIR/t.qcow2 TEST_DIR/t.qcow2
_qemu_img_wrapper map TEST_DIR/t.qcow2
_qemu_img_wrapper amend -o TEST_DIR/t.qcow2
_qemu_img_wrapper commit TEST_DIR/t.qcow2
_qemu_img_wrapper resize TEST_DIR/t.qcow2 32M
_qemu_img_wrapper rebase TEST_DIR/t.qcow2 -b TEST_DIR/t.qcow2.base
_qemu_img_wrapper snapshot -l TEST_DIR/t.qcow2
_qemu_img_wrapper convert TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.convert
_qemu_img_wrapper dd if=TEST_DIR/t.qcow2 of=TEST_DIR/t.qcow2.convert bs=512 count=1
_qemu_img_wrapper bench -c 1 TEST_DIR/t.qcow2
_qemu_img_wrapper bench -w -c 1 TEST_DIR/t.qcow2
_qemu_img_wrapper create -f qcow2 TEST_DIR/t.qcow2 -b TEST_DIR/t.qcow2.base
file format: IMGFMT
== Running utility commands -U ==
_qemu_io_wrapper -U -c read 0 512 TEST_DIR/t.qcow2
can't open device TEST_DIR/t.qcow2: force-share=on can only be used with read-only images
_qemu_io_wrapper -U -r -c read 0 512 TEST_DIR/t.qcow2
_qemu_io_wrapper -c open -U TEST_DIR/t.qcow2 -c read 0 512
can't open device TEST_DIR/t.qcow2: force-share=on can only be used with read-only images
no file open, try 'help open'
_qemu_io_wrapper -c open -r -U TEST_DIR/t.qcow2 -c read 0 512
_qemu_img_wrapper info -U TEST_DIR/t.qcow2
_qemu_img_wrapper check -U TEST_DIR/t.qcow2
_qemu_img_wrapper compare -U TEST_DIR/t.qcow2 TEST_DIR/t.qcow2
_qemu_img_wrapper map -U TEST_DIR/t.qcow2
_qemu_img_wrapper amend -o -U TEST_DIR/t.qcow2
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper commit -U TEST_DIR/t.qcow2
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper resize -U TEST_DIR/t.qcow2 32M
qemu-img: unrecognized option '-U'
Try 'qemu-img --help' for more information
_qemu_img_wrapper rebase -U TEST_DIR/t.qcow2 -b TEST_DIR/t.qcow2.base
_qemu_img_wrapper snapshot -l -U TEST_DIR/t.qcow2
_qemu_img_wrapper convert -U TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.convert
_qemu_img_wrapper dd -U if=TEST_DIR/t.qcow2 of=TEST_DIR/t.qcow2.convert bs=512 count=1
_qemu_img_wrapper bench -U -c 1 TEST_DIR/t.qcow2
_qemu_img_wrapper bench -U -w -c 1 TEST_DIR/t.qcow2
qemu-img: Could not open 'TEST_DIR/t.qcow2': force-share=on can only be used with read-only images
Round done
== Two devices with the same image (read-only=off - read-only=off) ==
QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,read-only=off: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
== Two devices with the same image (read-only=off - read-only=on) ==
QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,read-only=on: Failed to get shared "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
== Two devices with the same image (read-only=off - read-only=on,force-share=on) ==
== Two devices with the same image (read-only=on - read-only=off) ==
QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,read-only=off: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
== Two devices with the same image (read-only=on - read-only=on) ==
== Two devices with the same image (read-only=on - read-only=on,force-share=on) ==
== Two devices with the same image (read-only=on,force-share=on - read-only=off) ==
== Two devices with the same image (read-only=on,force-share=on - read-only=on) ==
== Two devices with the same image (read-only=on,force-share=on - read-only=on,force-share=on) ==
== Creating TEST_DIR/t.qcow2.[abc] ==
Formatting 'TEST_DIR/t.IMGFMT.a', fmt=IMGFMT size=33554432 backing_file=TEST_DIR/t.IMGFMT
Formatting 'TEST_DIR/t.IMGFMT.b', fmt=IMGFMT size=33554432 backing_file=TEST_DIR/t.IMGFMT
Formatting 'TEST_DIR/t.IMGFMT.c', fmt=IMGFMT size=33554432 backing_file=TEST_DIR/t.IMGFMT.b
== Two devices sharing the same file in backing chain ==
== Backing image also as an active device ==
QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
== Backing image also as an active device (ro) ==
== Symbolic link ==
QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
== Active commit to intermediate layer should work when base in use ==
{"return": {}}
_qemu_img_wrapper commit -b TEST_DIR/t.qcow2.b TEST_DIR/t.qcow2.c
{"return": {}}
Adding drive
{"return": "OKrn"}
_qemu_io_wrapper TEST_DIR/t.qcow2 -c write 0 512
can't open device TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
Creating overlay with qemu-img when the guest is running should be allowed
_qemu_img_wrapper create -f qcow2 -b TEST_DIR/t.qcow2 TEST_DIR/t.qcow2.overlay
== Closing an image should unlock it ==
{"return": ""}
_qemu_io_wrapper TEST_DIR/t.qcow2 -c write 0 512
Adding two and closing one
{"return": "OKrn"}
{"return": "OKrn"}
_qemu_img_wrapper info TEST_DIR/t.qcow2
{"return": ""}
_qemu_io_wrapper TEST_DIR/t.qcow2 -c write 0 512
can't open device TEST_DIR/t.qcow2: Failed to get "write" lock
Is another process using the image [TEST_DIR/t.qcow2]?
Closing the other
{"return": ""}
_qemu_io_wrapper TEST_DIR/t.qcow2 -c write 0 512
== Detecting -U and force-share conflicts ==
No conflict:
image: null-co://
file format: null-co
virtual size: 1.0G (1073741824 bytes)
disk size: unavailable
Conflict:
qemu-img: --force-share/-U conflicts with image options
No conflict:
Conflict:
-U conflicts with image options
*** done
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