QA output created by 142 Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=134217728 Formatting 'TEST_DIR/t.IMGFMT.snap', fmt=IMGFMT size=134217728 Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=IMGFMT === Simple test for all cache modes === Testing: -drive file=TEST_DIR/t.qcow2,cache=none QEMU X.Y.Z monitor - type 'help' for more information (qemu) quit Testing: -drive file=TEST_DIR/t.qcow2,cache=directsync QEMU X.Y.Z monitor - type 'help' for more information (qemu) quit Testing: -drive file=TEST_DIR/t.qcow2,cache=writeback QEMU X.Y.Z monitor - type 'help' for more information (qemu) quit Testing: -drive file=TEST_DIR/t.qcow2,cache=writethrough QEMU X.Y.Z monitor - type 'help' for more information (qemu) quit Testing: -drive file=TEST_DIR/t.qcow2,cache=unsafe QEMU X.Y.Z monitor - type 'help' for more information (qemu) quit Testing: -drive file=TEST_DIR/t.qcow2,cache=invalid_value QEMU_PROG: -drive file=TEST_DIR/t.qcow2,cache=invalid_value: invalid cache option === Check inheritance of cache modes === --- Configure cache modes on the command line --- cache.direct=on on none0 Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct cache.direct=on on file Cache mode: writeback Cache mode: writeback Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback cache.direct=on on backing Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback, direct Cache mode: writeback, direct cache.direct=on on backing-file Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback, direct cache.writeback=off on none0 Cache mode: writethrough Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback cache.writeback=off on file QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,file.cache.writeback=off: Block protocol 'file' doesn't support the option 'cache.writeback' cache.writeback=off on backing QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,backing.cache.writeback=off: Could not open backing file: Block format 'qcow2' does not support the option 'cache.writeback' cache.writeback=off on backing-file QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,backing.file.cache.writeback=off: Could not open backing file: Block protocol 'file' doesn't support the option 'cache.writeback' cache.no-flush=on on none0 Cache mode: writeback, ignore flushes Cache mode: writeback, ignore flushes Cache mode: writeback, ignore flushes Cache mode: writeback, ignore flushes Cache mode: writeback, ignore flushes cache.no-flush=on on file Cache mode: writeback Cache mode: writeback Cache mode: writeback, ignore flushes Cache mode: writeback Cache mode: writeback cache.no-flush=on on backing Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback, ignore flushes Cache mode: writeback, ignore flushes cache.no-flush=on on backing-file Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback, ignore flushes --- Cache modes after reopen (live snapshot) --- cache.direct=on on none0 Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct cache.direct=on on file Cache mode: writeback Cache mode: writeback Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback cache.direct=on on backing Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback, direct Cache mode: writeback, direct cache.direct=on on backing-file Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback, direct cache.writeback=off on none0 Cache mode: writethrough Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback cache.writeback=off on file QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,file.cache.writeback=off: Block protocol 'file' doesn't support the option 'cache.writeback' cache.writeback=off on backing QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,backing.cache.writeback=off: Could not open backing file: Block format 'qcow2' does not support the option 'cache.writeback' cache.writeback=off on backing-file QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,backing.file.cache.writeback=off: Could not open backing file: Block protocol 'file' doesn't support the option 'cache.writeback' cache.no-flush=on on none0 Cache mode: writeback, ignore flushes Cache mode: writeback, ignore flushes Cache mode: writeback, ignore flushes Cache mode: writeback, ignore flushes Cache mode: writeback, ignore flushes cache.no-flush=on on file Cache mode: writeback Cache mode: writeback Cache mode: writeback, ignore flushes Cache mode: writeback Cache mode: writeback cache.no-flush=on on backing Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback, ignore flushes Cache mode: writeback, ignore flushes cache.no-flush=on on backing-file Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback, ignore flushes --- Change cache modes with reopen (qemu-io command, flags) --- cache.direct=on on none0 Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct cache.direct=on on file Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct cache.direct=on on backing Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct cache.direct=on on backing-file Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct cache.writeback=off on none0 Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct cache.writeback=off on file QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,file.cache.writeback=off: Block protocol 'file' doesn't support the option 'cache.writeback' cache.writeback=off on backing QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,backing.cache.writeback=off: Could not open backing file: Block format 'qcow2' does not support the option 'cache.writeback' cache.writeback=off on backing-file QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,backing.file.cache.writeback=off: Could not open backing file: Block protocol 'file' doesn't support the option 'cache.writeback' cache.no-flush=on on none0 Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct cache.no-flush=on on file Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct, ignore flushes Cache mode: writeback, direct Cache mode: writeback, direct cache.no-flush=on on backing Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct, ignore flushes Cache mode: writeback, direct, ignore flushes cache.no-flush=on on backing-file Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct, ignore flushes --- Change cache modes with reopen (qemu-io command, options) --- cache.direct=on on none0 Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct cache.direct=on on file Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct cache.direct=on on backing Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct cache.direct=on on backing-file Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct cache.writeback=off on none0 Cache mode: writethrough, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct cache.writeback=off on file QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,file.cache.writeback=off: Block protocol 'file' doesn't support the option 'cache.writeback' cache.writeback=off on backing QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,backing.cache.writeback=off: Could not open backing file: Block format 'qcow2' does not support the option 'cache.writeback' cache.writeback=off on backing-file QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,backing.file.cache.writeback=off: Could not open backing file: Block protocol 'file' doesn't support the option 'cache.writeback' cache.no-flush=on on none0 Cache mode: writeback, direct, ignore flushes Cache mode: writeback, direct, ignore flushes Cache mode: writeback, direct, ignore flushes Cache mode: writeback, direct, ignore flushes Cache mode: writeback, direct, ignore flushes cache.no-flush=on on file Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct, ignore flushes Cache mode: writeback, direct Cache mode: writeback, direct cache.no-flush=on on backing Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct, ignore flushes Cache mode: writeback, direct, ignore flushes cache.no-flush=on on backing-file Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct, ignore flushes --- Change cache modes after snapshot --- cache.direct=on on none0 Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct cache.direct=on on file Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback cache.direct=on on backing Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback Cache mode: writeback, direct Cache mode: writeback, direct cache.direct=on on backing-file Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback, direct cache.writeback=off on none0 Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback cache.writeback=off on file QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,file.cache.writeback=off: Block protocol 'file' doesn't support the option 'cache.writeback' cache.writeback=off on backing QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,backing.cache.writeback=off: Could not open backing file: Block format 'qcow2' does not support the option 'cache.writeback' cache.writeback=off on backing-file QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,backing.file.cache.writeback=off: Could not open backing file: Block protocol 'file' doesn't support the option 'cache.writeback' cache.no-flush=on on none0 Cache mode: writeback, direct Cache mode: writeback, ignore flushes Cache mode: writeback, ignore flushes Cache mode: writeback, ignore flushes Cache mode: writeback, ignore flushes cache.no-flush=on on file Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback, ignore flushes Cache mode: writeback Cache mode: writeback cache.no-flush=on on backing Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback Cache mode: writeback, ignore flushes Cache mode: writeback, ignore flushes cache.no-flush=on on backing-file Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback, ignore flushes --- Change cache mode in parent, child has explicit option in JSON --- Cache mode: writeback, direct, ignore flushes Cache mode: writeback, direct, ignore flushes Cache mode: writeback, direct, ignore flushes Cache mode: writeback, ignore flushes === Check that referenced BDSes don't inherit === --- Configure cache modes on the command line --- cache.direct=on on blk Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback Cache mode: writeback cache.direct=on on file Cache mode: writeback Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback cache.direct=on on backing Cache mode: writeback Cache mode: writeback Cache mode: writeback, direct Cache mode: writeback cache.direct=on on backing-file Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback, direct cache.writeback=off on blk Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback cache.writeback=off on file Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback cache.writeback=off on backing Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback cache.writeback=off on backing-file Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback cache.no-flush=on on blk Cache mode: writeback, ignore flushes Cache mode: writeback Cache mode: writeback Cache mode: writeback cache.no-flush=on on file Cache mode: writeback Cache mode: writeback, ignore flushes Cache mode: writeback Cache mode: writeback cache.no-flush=on on backing Cache mode: writeback Cache mode: writeback Cache mode: writeback, ignore flushes Cache mode: writeback cache.no-flush=on on backing-file Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback, ignore flushes --- Cache modes after reopen (live snapshot) --- cache.direct=on on blk Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback Cache mode: writeback cache.direct=on on file Cache mode: writeback Cache mode: writeback Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback cache.direct=on on backing Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback, direct Cache mode: writeback cache.direct=on on backing-file Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback, direct cache.writeback=off on blk Cache mode: writethrough Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback cache.writeback=off on file Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback cache.writeback=off on backing Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback cache.writeback=off on backing-file Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback cache.no-flush=on on blk Cache mode: writeback, ignore flushes Cache mode: writeback, ignore flushes Cache mode: writeback Cache mode: writeback Cache mode: writeback cache.no-flush=on on file Cache mode: writeback Cache mode: writeback Cache mode: writeback, ignore flushes Cache mode: writeback Cache mode: writeback cache.no-flush=on on backing Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback, ignore flushes Cache mode: writeback cache.no-flush=on on backing-file Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback, ignore flushes --- Change cache modes with reopen (qemu-io command, flags) --- cache.direct=on on blk Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback Cache mode: writeback cache.direct=on on file Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback cache.direct=on on backing Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback, direct Cache mode: writeback cache.direct=on on backing-file Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback Cache mode: writeback, direct cache.writeback=off on blk Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback Cache mode: writeback cache.writeback=off on file Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback Cache mode: writeback cache.writeback=off on backing Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback Cache mode: writeback cache.writeback=off on backing-file Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback Cache mode: writeback cache.no-flush=on on blk Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback Cache mode: writeback cache.no-flush=on on file Cache mode: writeback, direct Cache mode: writeback, ignore flushes Cache mode: writeback Cache mode: writeback cache.no-flush=on on backing Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback, ignore flushes Cache mode: writeback cache.no-flush=on on backing-file Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback Cache mode: writeback, ignore flushes === Reopening children instead of the root === --- Basic reopen --- cache.direct=on on none0 Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct cache.direct=on on file Cache mode: writeback Cache mode: writeback Cache mode: writeback, direct Cache mode: writeback, direct Cache mode: writeback, direct cache.direct=on on backing Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback, direct Cache mode: writeback, direct cache.direct=on on backing-file Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback, direct Cache mode: writeback, direct cache.writeback=off on none0 Cache mode: writethrough Cache mode: writeback Cache mode: writeback Cache mode: writeback, direct Cache mode: writeback, direct cache.writeback=off on file QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,file.cache.writeback=off: Block protocol 'file' doesn't support the option 'cache.writeback' cache.writeback=off on backing QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,backing.cache.writeback=off: Could not open backing file: Block format 'qcow2' does not support the option 'cache.writeback' cache.writeback=off on backing-file QEMU_PROG: -drive if=none,file=TEST_DIR/t.qcow2,backing.file.filename=TEST_DIR/t.qcow2.base,node-name=image,backing.node-name=backing,backing.file.node-name=backing-file,file.node-name=file,backing.file.cache.writeback=off: Could not open backing file: Block protocol 'file' doesn't support the option 'cache.writeback' cache.no-flush=on on none0 Cache mode: writeback, ignore flushes Cache mode: writeback, ignore flushes Cache mode: writeback, ignore flushes Cache mode: writeback, direct, ignore flushes Cache mode: writeback, direct, ignore flushes cache.no-flush=on on file Cache mode: writeback Cache mode: writeback Cache mode: writeback, ignore flushes Cache mode: writeback, direct Cache mode: writeback, direct cache.no-flush=on on backing Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback, direct, ignore flushes Cache mode: writeback, direct, ignore flushes cache.no-flush=on on backing-file Cache mode: writeback Cache mode: writeback Cache mode: writeback Cache mode: writeback, direct Cache mode: writeback, direct, ignore flushes --- Change cache mode after reopening child --- Cache mode: writeback, direct Cache mode: writeback Cache mode: writeback, direct Cache mode: writeback, ignore flushes *** done