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authorChristian Krinitsin <mail@krinitsin.com>2025-06-30 12:24:58 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-06-30 12:27:06 +0000
commit33606b41d35115f887ea688b1a16f2ff85bf2fe4 (patch)
tree406b2c7b19a087ba437c68f3dbf0b589fa1d6150 /results/scraper/launchpad-without-comments/1062589
parentadedf8771bc4de3113041ca21bd4d0d1c0014b6a (diff)
downloademulator-bug-study-33606b41d35115f887ea688b1a16f2ff85bf2fe4.tar.gz
emulator-bug-study-33606b41d35115f887ea688b1a16f2ff85bf2fe4.zip
add launchpad bug reports without comments
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+Xp guest disk is corrupted when the data size exceeds 4 GB
+
+Host :
+- 2.6.30.10 i686 pentium3 i386 GNU/Linux
+
+Guest :
+- XPsp3
+
+QEMU :
+- QEMU emulator version 1.2.0 and 1.2.50
+- sudo /sources/qemu/i386-softmmu/qemu-system-i386 \
+        -runas user -enable-kvm -rtc base=localtime -no-shutdown \
+        -m 384 -usb -usbdevice tablet -vga std \
+        -net nic,model=ne2k_pci -net tap,script=no,downscript=no \
+        -drive file=/qemu/XP.img,index=0,media=disk,cache=writeback \
+        -hdb /qemu/data.img \
+        -drive index=2,media=cdrom,file=/jukebox/iso/xpProSP2.iso
+
+- image: /qemu/XP.img (before problem)
+file format: qcow2
+virtual size: 10G (10737418240 bytes)
+disk size: 3.9G
+cluster_size: 65536
+
+- chkdsk on Guest (before problem)
+10474348 KB total disk space.
+3519880 KB in 16982 files.
+4440 KB in 898 indexes.
+0 KB in bad sectors.
+75980 KB in use by the system.
+54432 KB occupied by the log file.
+6874048 KB available on disk.
+
+4096 bytes in each allocation unit.
+2618587 total allocation units on disk.
+1718512 allocation units available on disk. 
+
+- qemu-img check
+Warning: cluster offset=0x42330b55100000 is after the end of the image file, can't properly check refcounts.
+Warning: cluster offset=0x42330b55120000 is after the end of the image file, can't properly check refcounts.
+ERROR l2_offset=42330b55110000: Table is not cluster aligned; L1 entry corrupted
+Warning: cluster offset=0xa4d26d66440000 is after the end of the image file, can't properly check refcounts.
+Warning: cluster offset=0xa4d26d66460000 is after the end of the image file, can't properly check refcounts.
+ERROR l2_offset=a4d26d66453300: Table is not cluster aligned; L1 entry corrupted
+ERROR: invalid cluster offset=0xad1f0047300000
+ERROR: invalid cluster offset=0xad1f0047320000
+ERROR l2_offset=ad1f0047309700: Table is not cluster aligned; L1 entry corrupted
+ERROR OFLAG_COPIED: l2_offset=c452330b15090000 refcount=0
+Warning: cluster offset=0x52330b15080000 is after the end of the image file, can't properly check refcounts.
+Warning: cluster offset=0x52330b150a0000 is after the end of the image file, can't properly check refcounts.
+ERROR l2_offset=52330b15090000: Table is not cluster aligned; L1 entry corrupted
+ERROR OFLAG_COPIED: l2_offset=cc5234077956330b refcount=0
+Warning: cluster offset=0x52340779560000 is after the end of the image file, can't properly check refcounts.
+Warning: cluster offset=0x52340779580000 is after the end of the image file, can't properly check refcounts.
+ERROR l2_offset=52340779563300: Table is not cluster aligned; L1 entry corrupted
+ERROR refcount block 0 is not cluster aligned; refcount table entry corrupted
+ERROR refcount block 1 is not cluster aligned; refcount table entry corrupted
+ERROR refcount block 2 is outside image
+ERROR refcount block 3 is not cluster aligned; refcount table entry corrupted
+ERROR refcount block 4 is not cluster aligned; refcount table entry corrupted
+ERROR refcount block 5 is not cluster aligned; refcount table entry corrupted
+ERROR refcount block 6 is not cluster aligned; refcount table entry corrupted
+ERROR refcount block 7 is not cluster aligned; refcount table entry corrupted
+ERROR refcount block 8 is not cluster aligned; refcount table entry corrupted
+ERROR refcount block 9 is not cluster aligned; refcount table entry corrupted
+.
+.
+.
+.
+.
+ERROR refcount block 16381 is not cluster aligned; refcount table entry corrupted
+ERROR refcount block 16382 is outside image
+ERROR refcount block 16383 is not cluster aligned; refcount table entry corrupted
+ERROR cluster 0 refcount=0 reference=1
+ERROR cluster 1 refcount=0 reference=1
+ERROR cluster 3 refcount=0 reference=1
+
+16396 errors were found on the image.
+Data may be corrupted, or further writes to the image may corrupt it.
+
+8 internal errors have occurred during the check.
+
+
+Hi,
+
+Everything is running pretty good until data size on disk C exceeds 4 GB. I Tried many options before figuring out that the problem occurs when data size exceeds 4 GB. I tried with QEMU 1.2.50, same problem.
+
+Best Regards.
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