Attachment 4926 Details for Bug 29355

Details of failed run

29355_qemu-corruption2.txt (text/plain), 5.20 KB, created by Philipp Hahn on 2012-12-18 10:09 CET

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Creator: Philipp Hahn

Created: 2012-12-18 10:09 CET

Size: 5.20 KB

patch

obsolete

># FILE=/var/cache/apt/archives/liblqr-1-0_0.4.1-1.3.201104131631_amd64.deb
># debugfs /dev/vg_ucs/rootfs -R "stat $FILE"
>debugfs 1.41.12 (17-May-2010)
>Inode: 1385717   Type: regular    Mode:  0644   Flags: 0x0
>Generation: 2854262870    Version: 0x00000000
>User:     0   Group:     0   Size: 38884
>File ACL: 0    Directory ACL: 0
>Links: 1   Blockcount: 80
>Fragment:  Address: 0    Number: 0    Size: 0
>ctime: 0x50979ae9 -- Mon Nov  5 11:54:33 2012
>atime: 0x50979b0d -- Mon Nov  5 11:55:09 2012
>mtime: 0x4de1dbce -- Sun May 29 07:38:22 2011
>Size of extra inode fields: 4
>BLOCKS:
>(0-9):5728401-5728410
>TOTAL: 10
>
># BSIZE=4096
># BOFFSET=0
># dd bs=$BSIZE count=1 if=$FILE skip=$BOFFSET 2>/dev/null | md5sum
>065b19ba6e9153dcc88003ea06076f9f  -
>
># BLOCK=5728401
># dd bs=$BSIZE count=1 if=/dev/vg_ucs/rootfs skip=$BLOCK 2>/dev/null | md5sum
>065b19ba6e9153dcc88003ea06076f9f  -
>
># dmsetup table
>vg_ucs-rootfs: 0 97910784 linear 254:3 384
># LV_SOFFSET=384
># dd bs=512c count=8 if=/dev/vda3 skip=$((BLOCK*8+LV_SOFFSET)) 2>/dev/null | md5sum
>065b19ba6e9153dcc88003ea06076f9f  -
>
># fdisk -l -u /dev/vda
>/dev/vda3         4739175   104856254    50058540   8e  Linux LVM
># PART_SOFFSET=4739175
># dd bs=512c count=8 if=/dev/vda skip=$((BLOCK*8+LV_SOFFSET+PART_SOFFSET)) 2>/dev/null | md5sum
>065b19ba6e9153dcc88003ea06076f9f  -
>
># debugfs /dev/vg_ucs/rootfs -R "icheck $(seq 5728387 5728403 | tr '\n' ' ')"
>debugfs 1.41.12 (17-May-2010)
>Block   Inode number
>5728387 1385715  
>5728388 1385715  
>5728389 1385715  
>5728390 1385715  
>5728391 1385715  
>5728392 1385715  
>5728393 1385715  
>5728394 1385715  
>5728395 1385715  
>5728396 1385715  
>5728397 1385716  
>5728398 1385716  
>5728399 1385716  
>5728400 1385716  
>5728401 1385717  
>5728402 1385717  
>5728403 1385717  
>
># debugfs /dev/vg_ucs/rootfs -R "ncheck 1385715 1385716 1385717"
>debugfs 1.41.12 (17-May-2010)
>Inode   Pathname 
>1385715 /var/cache/apt/archives/libhtml-template-perl_2.9-2.7.201104290220_all.deb
>1385717 /var/cache/apt/archives/liblqr-1-0_0.4.1-1.3.201104131631_amd64.deb
>1385716 /var/cache/apt/archives/libio-socket-inet6-perl_2.65-1.1.3.201104291113_all.deb
>
># md5sum /var/cache/apt/archives/libhtml-template-perl_2.9-2.7.201104290220_all.deb /var/cache/apt/archives/liblqr-1-0_0.4.1-1.3.201104131631_amd64.deb /var/cache/apt/archives/libio-socket-inet6-perl_2.65-1.1.3.201104291113_all.deb
>123f4c338bd875825d5d762e8bb48b2a  /var/cache/apt/archives/libhtml-template-perl_2.9-2.7.201104290220_all.deb
>eadbf53d7313df2560f4741fbe982008  /var/cache/apt/archives/liblqr-1-0_0.4.1-1.3.201104131631_amd64.deb
>d0c7bf2d62c125409e00e459ac94277a  /var/cache/apt/archives/libio-socket-inet6-perl_2.65-1.1.3.201104291113_all.deb
>
># apt-cache show libhtml-template-perl liblqr-1-0 libio-socket-inet6-perl | egrep 'MD5sum|Package'
>Package: libhtml-template-perl
>MD5sum: 123f4c338bd875825d5d762e8bb48b2a
>Package: liblqr-1-0
>MD5sum: 94ccb97b38bedef97072fdcc7bce1872
>Package: libio-socket-inet6-perl
>MD5sum: 8f04f2da2a7d2eefb9e77bf87a0b8972
>
>
>
># IMAGE=/var/lib/libvirt/images/stefan_UCS-3.0-2-13.3-Kolab-Slave.qcow2
># BLOCK=5728401 BSIZE=4096 BOFFSET=0 LV_SOFFSET=384 PART_SOFFSET=4739175
># OFFSET=$((BLOCK*BSIZE + LV_SOFFSET*512 + PART_SOFFSET*512))
># echo $((OFFSET >> 16 >> 13)) $(((OFFSET >> 16) & ((1 << 13) - 1))) $(((OFFSET >> 0) & ((1 << 16) - 1)))
>48 1836 56832
># qemu-io -c "read -v $OFFSET $BSIZE" "$IMAGE" | sed -ne 's/^$[0-9a-f]\+:$ /\1/p' | xxd -r -seek -$OFFSET | md5sum
>065b19ba6e9153dcc88003ea06076f9f  -
># qcow2.py -r -s "$IMAGE" --read $OFFSET $BSIZE | xxd -r | md5sum
>l1=0x30 l2=0x72c c=0xde00
>065b19ba6e9153dcc88003ea06076f9f  -
>
># qcow2.py -r -s "$IMAGE" | egrep "L1\[$((0x30))\]|L2\[$((0x72c))\]|cluster_bits| size|l1_size"
>0000000000000000: + cluster_bits=16 (64 KiB)
>0000000000000000: + size=50 GiB
>0000000000000000: + l1_size=150
>0000000014780000: + L1[48]=0x800000016cad0000
>000000016cad0000: +  L2[1836]=0x8000000177a60000
># dd bs=1 count=$BSIZE if=$IMAGE skip=$((0x177a60000+0xde00)) 2>/dev/null | md5sum
>065b19ba6e9153dcc88003ea06076f9f  -
>
># printf '0x%0x\n' $OFFSET
>0x6072cde00
># ./scripts/simpletrace.py trace-events /trace-17705 | grep -n -A3 offset=0x6072c
>2132:qcow2_alloc_clusters_offset    10.707 co=0x1938190 offset=0x6072c4e00 n_start=0x27 n_end=0x11f
>2133-qcow2_alloc_clusters_offset    19.610 co=0x15c5030 offset=0x6072e4e00 n_start=0x27 n_end=0x417
>2134-qcow2_alloc_clusters_offset 22891.351 co=0x1938950 offset=0x607250000 n_start=0x0  n_end=0x39f
>2135-qcow2_alloc_clusters_offset    20.294 co=0x1961550 offset=0x607200000 n_start=0x0  n_end=0x1e7
>3236:qcow2_alloc_clusters_offset 64432.668 co=0x1938950 offset=0x6072c0000 n_start=0x0  n_end=0x1f
>2137-qcow2_alloc_clusters_offset  1557.462 co=0x1961340 offset=0x606fd0000 n_start=0x0  n_end=0x57
>2138-qcow2_alloc_clusters_offset 17697.902 co=0x15c5030 offset=0x6072f0000 n_start=0x0  n_end=0x397
>2139-qcow2_alloc_clusters_offset 97534.098 co=0x15c5030 offset=0x601625e00 n_start=0x2f n_end=0x14df
>--
>2827:qcow2_alloc_clusters_offset    16.653 co=0x195ca40 offset=0x6072c3e00 n_start=0x1f n_end=0x27
>2828-qcow2_alloc_clusters_offset    31.017 co=0x195c5d0 offset=0x606c80000 n_start=0x0  n_end=0x7
>2829-qcow2_alloc_clusters_offset   757.123 co=0x195c5d0 offset=0x6072e3e00 n_start=0x1f n_end=0x27
>2830-qcow2_alloc_clusters_offset     9.656 co=0x195ca40 offset=0x607497e00 n_start=0x3f n_end=0x47

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