d20418ee51
The block layer read and write functions do not like requests which are bigger than INT_MAX bytes. Since the VDI bmap is read and written in a single operation, its size is therefore limited accordingly. This reduces the maximum VDI image size supported by QEMU to half of what it currently is (down to approximately 512 TB). The VDI test 084 has to be adapted accordingly. Actually, one could clearly see that it was broken from the "Could not open 'TEST_DIR/t.IMGFMT': Invalid argument" line for an image which was supposed to work just fine. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Peter Lieven <pl@kamp.de>
48 lines
1.7 KiB
Plaintext
48 lines
1.7 KiB
Plaintext
QA output created by 084
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=== Statically allocated image creation ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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image: TEST_DIR/t.IMGFMT
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file format: IMGFMT
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virtual size: 64M (67108864 bytes)
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cluster_size: 1048576
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disk image file size in bytes: 67109888
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=== Testing image size bounds ===
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
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image: TEST_DIR/t.IMGFMT
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file format: IMGFMT
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virtual size: 64M (67108864 bytes)
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cluster_size: 1048576
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disk image file size in bytes: 1024
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Test 1: Maximum size (512 TB - 128 MB):
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image: TEST_DIR/t.IMGFMT
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file format: IMGFMT
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virtual size: 512T (562949819203584 bytes)
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cluster_size: 1048576
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Test 2: Size too large (512 TB - 128 MB + 64 kB)
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qemu-img: Could not open 'TEST_DIR/t.IMGFMT': Unsupported VDI image size (size is 0x1fffff8010000, max supported is 0x1fffff8000000)
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Test 3: Size valid (64M), but Blocks In Image too small (63)
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qemu-img: Could not open 'TEST_DIR/t.IMGFMT': unsupported VDI image (disk size 67108864, image bitmap has room for 66060288)
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Test 4: Size valid (64M), but Blocks In Image exceeds max allowed
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qemu-img: Could not open 'TEST_DIR/t.IMGFMT': unsupported VDI image (too many blocks 536870785, max is 536870784)
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Test 5: Valid Image: 64MB, Blocks In Image 64, Block Size 1MB
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image: TEST_DIR/t.IMGFMT
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file format: IMGFMT
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virtual size: 64M (67108864 bytes)
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cluster_size: 1048576
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Test 6: Block Size != 1MB; too small test (1MB - 1)
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qemu-img: Could not open 'TEST_DIR/t.IMGFMT': unsupported VDI image (block size 1048575 is not 1048576)
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Test 7: Block Size != 1MB; too large test (1MB + 64KB)
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qemu-img: Could not open 'TEST_DIR/t.IMGFMT': unsupported VDI image (block size 1114112 is not 1048576)
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*** done
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