[Qemu-devel] [PULL v2 for-2.1 01/22] block/backup: Fix hang for unaligne

qemu-devel
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PULL v2 for-2.1 01/22] block/backup: Fix hang for unaligne

From:	Kevin Wolf
Subject:	[Qemu-devel] [PULL v2 for-2.1 01/22] block/backup: Fix hang for unaligned image size
Date:	Mon, 14 Jul 2014 13:42:51 +0200
When doing a block backup of an image with an unaligned size (with
respect to the BACKUP_CLUSTER_SIZE), qemu would check the allocation
status of sectors after the end of the image. bdrv_is_allocated()
returns a result that is valid for 0 sectors in this case, so the backup
job ran into an endless loop.

Stop looping when seeing a result valid for 0 sectors, we're at EOF then.

The test case looks somewhat unrelated at first sight because I
originally tried to reproduce a different suspected bug that turned out
to not exist. Still a good test case and it accidentally found this one.

Signed-off-by: Kevin Wolf <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
---
 block/backup.c             |   2 +-
 tests/qemu-iotests/028     |  27 ++++-
 tests/qemu-iotests/028.out | 269 +++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 296 insertions(+), 2 deletions(-)

diff --git a/block/backup.c b/block/backup.c
index 7978ae2..d0b0225 100644
--- a/block/backup.c
+++ b/block/backup.c
@@ -307,7 +307,7 @@ static void coroutine_fn backup_run(void *opaque)
                                 BACKUP_SECTORS_PER_CLUSTER - i, &n);
                     i += n;
 
-                    if (alloced == 1) {
+                    if (alloced == 1 || n == 0) {
                         break;
                     }
                 }
diff --git a/tests/qemu-iotests/028 b/tests/qemu-iotests/028
index a99e4fa..d5718c5 100755
--- a/tests/qemu-iotests/028
+++ b/tests/qemu-iotests/028
@@ -33,7 +33,8 @@ status=1      # failure is the default!
 
 _cleanup()
 {
-       _cleanup_test_img
+    rm -f "${TEST_IMG}.copy"
+    _cleanup_test_img
 }
 trap "_cleanup; exit \$status" 0 1 2 3 15
 
@@ -41,6 +42,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 15
 . ./common.rc
 . ./common.filter
 . ./common.pattern
+. ./common.qemu
 
 # Any format supporting backing files except vmdk and qcow which do not support
 # smaller backing files.
@@ -99,6 +101,29 @@ _check_test_img
 # Rebase it on top of its base image
 $QEMU_IMG rebase -b "$TEST_IMG.base" "$TEST_IMG"
 
+echo
+echo block-backup
+echo
+
+qemu_comm_method="monitor"
+_launch_qemu -drive file="${TEST_IMG}",cache=${CACHEMODE},id=disk
+h=$QEMU_HANDLE
+QEMU_COMM_TIMEOUT=1
+
+_send_qemu_cmd $h "drive_backup disk ${TEST_IMG}.copy" "(qemu)"
+qemu_cmd_repeat=20 _send_qemu_cmd $h "info block-jobs" "No active jobs"
+_send_qemu_cmd $h 'quit' ""
+
+# Base image sectors
+TEST_IMG="${TEST_IMG}.copy" io readv $(( offset )) 512 1024 32
+
+# Image sectors
+TEST_IMG="${TEST_IMG}.copy" io readv $(( offset + 512 )) 512 1024 64
+
+# Zero sectors beyond end of base image
+TEST_IMG="${TEST_IMG}.copy" io_zero readv $(( offset + 32 * 1024 )) 512 1024 32
+
+
 _check_test_img
 
 # success, all done
diff --git a/tests/qemu-iotests/028.out b/tests/qemu-iotests/028.out
index 8affb7f..38099e4 100644
--- a/tests/qemu-iotests/028.out
+++ b/tests/qemu-iotests/028.out
@@ -465,5 +465,274 @@ read 512/512 bytes at offset 3221257728
 read 512/512 bytes at offset 3221258752
 512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
 No errors were found on the image.
+
+block-backup
+
+QEMU X.Y.Z monitor - type 'help' for more information
+(qemu) 
d[K[Ddr[K[D[Ddri[K[D[D[Ddriv[K[D[D[D[Ddrive[K[D[D[D[D[Ddrive_[K[D[D[D[D[D[Ddrive_b[K[D[D[D[D[D[D[Ddrive_ba[K[D[D[D[D[D[D[D[Ddrive_bac[K[D[D[D[D[D[D[D[D[Ddrive_back[K[D[D[D[D[D[D[D[D[D[Ddrive_backu[K[D[D[D[D[D[D[D[D[D[D[Ddrive_backup[K[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 [K[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup 
d[K[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup 
di[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup 
dis[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup 
disk[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup disk 
[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup disk 
/[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup disk 
/h[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup 
disk /ho[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D!
 [D[Ddrive_backup disk 
/hom[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/k[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kw[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwo[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwol[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk /!
 
home/kwolf/s[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/so[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/sou[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/sour[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/sourc[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk /home/kwolf/sour!
 ce/q[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D!
 [D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup disk 
/home/kwolf/source/qe[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/qem[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/qemu[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/qemu/[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/qemu/t[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/qemu/te[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[!
 
D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/qemu/tes[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/qemu/test[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/qemu/tests[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/qemu/tests/[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/qemu/tests/q[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[!
 D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup disk /home/kwol!
 
f/source/qemu/tests/qe[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/qemu/tests/qem[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/qemu/tests/qemu[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/qemu/tests/qemu-[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/qemu/tests/qemu-i[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D!
 [D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup disk 
/home/kwolf/source/qemu/tests/qemu-io[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/qemu/tests/qemu-iot[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/qemu/tests/qemu-iote[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/qemu/tests/qemu-iotes[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk /home/kwolf/sou!
 rce/qemu/tests/qemu-iotest[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D!
 
[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/qemu/tests/qemu-iotests[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/qemu/tests/qemu-iotests/[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/qemu/tests/qemu-iotests/s[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/qemu/tests/qemu-iotests/sc[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D!
 
[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/qemu/tests/qemu-iotests/scr[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/qemu/tests/qemu-iotests/scra[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
/home/kwolf/source/qemu/tests/qemu-iotests/scrat[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk /home/kwolf/source/qemu/tests/qemu-iot!
 ests/scratc[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D!
 
[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
TEST_DIR[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
TEST_DIR/[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
TEST_DIR/t[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
TEST_DIR/t.[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[!
 
D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
TEST_DIR/t.q[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
TEST_DIR/t.qc[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
TEST_DIR/t.qco[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
TEST_DIR/t.qcow[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D!
 [D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[!
 
D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
TEST_DIR/t.qcow2[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
TEST_DIR/t.qcow2.[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
TEST_DIR/t.qcow2.c[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
TEST_DIR/t.qcow2.co[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[!
 
D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk 
TEST_DIR/t.qcow2.cop[K[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[D[Ddrive_backup
 disk TEST_DIR/t.qcow2.copy[K
+Formatting 'TEST_DIR/t.qcow2.copy', fmt=qcow2 size=4294968832 
backing_file='TEST_DIR/t.qcow2.base' backing_fmt='qcow2' encryption=off 
cluster_size=65536 lazy_refcounts=off
+(qemu) i[K[Din[K[D[Dinf[K[D[D[Dinfo[K[D[D[D[Dinfo 
[K[D[D[D[D[Dinfo b[K[D[D[D[D[D[Dinfo 
bl[K[D[D[D[D[D[D[Dinfo blo[K[D[D[D[D[D[D[D[Dinfo 
bloc[K[D[D[D[D[D[D[D[D[Dinfo 
block[K[D[D[D[D[D[D[D[D[D[Dinfo 
block-[K[D[D[D[D[D[D[D[D[D[D[Dinfo 
block-j[K[D[D[D[D[D[D[D[D[D[D[D[Dinfo 
block-jo[K[D[D[D[D[D[D[D[D[D[D[D[D[Dinfo 
block-job[K[D[D[D[D[D[D[D[D[D[D[D[D[D[Dinfo block-jobs[K
+Type backup, device disk: Completed 0 of 4294968832 bytes, speed limit 0 
bytes/s
+i[K[Din[K[D[Dinf[K[D[D[Dinfo[K[D[D[D[Dinfo 
[K[D[D[D[D[Dinfo b[K[D[D[D[D[D[Dinfo 
bl[K[D[D[D[D[D[D[Dinfo blo[K[D[D[D[D[D[D[D[Dinfo 
bloc[K[D[D[D[D[D[D[D[D[Dinfo 
block[K[D[D[D[D[D[D[D[D[D[Dinfo 
block-[K[D[D[D[D[D[D[D[D[D[D[Dinfo 
block-j[K[D[D[D[D[D[D[D[D[D[D[D[Dinfo 
block-jo[K[D[D[D[D[D[D[D[D[D[D[D[D[Dinfo 
block-job[K[D[D[D[D[D[D[D[D[D[D[D[D[D[Dinfo block-jobs[K
+No active jobs
+=== IO: pattern 195
+read 512/512 bytes at offset 3221194240
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221195264
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221196288
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221197312
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221198336
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221199360
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221200384
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221201408
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221202432
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221203456
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221204480
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221205504
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221206528
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221207552
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221208576
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221209600
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221210624
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221211648
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221212672
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221213696
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221214720
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221215744
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221216768
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221217792
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221218816
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221219840
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221220864
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221221888
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221222912
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221223936
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221224960
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221225984
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+=== IO: pattern 196
+read 512/512 bytes at offset 3221194752
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221195776
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221196800
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221197824
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221198848
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221199872
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221200896
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221201920
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221202944
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221203968
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221204992
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221206016
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221207040
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221208064
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221209088
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221210112
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221211136
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221212160
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221213184
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221214208
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221215232
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221216256
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221217280
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221218304
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221219328
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221220352
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221221376
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221222400
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221223424
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221224448
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221225472
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221226496
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221227520
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221228544
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221229568
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221230592
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221231616
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221232640
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221233664
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221234688
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221235712
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221236736
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221237760
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221238784
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221239808
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221240832
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221241856
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221242880
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221243904
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221244928
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221245952
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221246976
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221248000
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221249024
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221250048
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221251072
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221252096
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221253120
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221254144
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221255168
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221256192
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221257216
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221258240
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221259264
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+=== IO: pattern 0
+read 512/512 bytes at offset 3221227008
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221228032
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221229056
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221230080
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221231104
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221232128
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221233152
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221234176
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221235200
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221236224
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221237248
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221238272
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221239296
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221240320
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221241344
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221242368
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221243392
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221244416
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221245440
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221246464
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221247488
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221248512
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221249536
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221250560
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221251584
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221252608
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221253632
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221254656
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221255680
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221256704
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221257728
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 512/512 bytes at offset 3221258752
+512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
 No errors were found on the image.
 *** done
-- 
1.8.3.1
[Prev in Thread]
Current Thread
[Next in Thread]
[Qemu-devel] [PULL v2 for-2.1 00/22] Block patches for 2.1.0-rc2, Kevin Wolf, 2014/07/14
- [Qemu-devel] [PULL v2 for-2.1 01/22] block/backup: Fix hang for unaligned image size, Kevin Wolf <=
- [Qemu-devel] [PULL v2 for-2.1 03/22] block: prefer aio_poll to qemu_aio_wait, Kevin Wolf, 2014/07/14
- [Qemu-devel] [PULL v2 for-2.1 02/22] block: Fix bdrv_is_allocated() return value, Kevin Wolf, 2014/07/14
- [Qemu-devel] [PULL v2 for-2.1 04/22] block: drop aio functions that operate on the main AioContext, Kevin Wolf, 2014/07/14
- [Qemu-devel] [PULL v2 for-2.1 05/22] test-aio: fix GSource-based timer test, Kevin Wolf, 2014/07/14
- [Qemu-devel] [PULL v2 for-2.1 06/22] AioContext: speed up aio_notify, Kevin Wolf, 2014/07/14
- [Qemu-devel] [PULL v2 for-2.1 08/22] qcow2: Make qiov match request size until backing file EOF, Kevin Wolf, 2014/07/14
- [Qemu-devel] [PULL v2 for-2.1 09/22] qed: Make qiov match request size until backing file EOF, Kevin Wolf, 2014/07/14
- [Qemu-devel] [PULL v2 for-2.1 10/22] block: Assert qiov length matches request length, Kevin Wolf, 2014/07/14
- [Qemu-devel] [PULL v2 for-2.1 07/22] block: Make qiov match the request size until EOF, Kevin Wolf, 2014/07/14
- [Qemu-devel] [PULL v2 for-2.1 11/22] virtio-blk: avoid dataplane VirtIOBlockReq early free, Kevin Wolf, 2014/07/14
Prev by Date: [Qemu-devel] [PULL v2 for-2.1 00/22] Block patches for 2.1.0-rc2
Next by Date: [Qemu-devel] [PULL v2 for-2.1 03/22] block: prefer aio_poll to qemu_aio_wait
Previous by thread: [Qemu-devel] [PULL v2 for-2.1 00/22] Block patches for 2.1.0-rc2
Next by thread: [Qemu-devel] [PULL v2 for-2.1 03/22] block: prefer aio_poll to qemu_aio_wait
Index(es):
- Date
- Thread