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Diffstat (limited to 'results/classifier/deepseek-2-tmp/output/files/1422307')
| -rw-r--r-- | results/classifier/deepseek-2-tmp/output/files/1422307 | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/results/classifier/deepseek-2-tmp/output/files/1422307 b/results/classifier/deepseek-2-tmp/output/files/1422307 deleted file mode 100644 index bce0328d2..000000000 --- a/results/classifier/deepseek-2-tmp/output/files/1422307 +++ /dev/null @@ -1,40 +0,0 @@ - -qemu-nbd corrupts files - -Dear all, - -On Trusty, in certain situations, try to copy files over a qemu-nbd mounted file system leads to write errors (and thus, file corruption). - -Here is the last example I tried: --> virtual disk is a VDI disk --> It has only one partition, in FAT - -Here is my mount process: -# modprobe nbd max_part=63 -# qemu-nbd -c /dev/nbd0 "virtual_disk.vdi" -# partprobe /dev/nbd0 -# mount /dev/nbd0p1 /tmp/mnt/ - -Partition is properly mounted at that point: -/dev/nbd0p1 on /tmp/mnt type vfat (rw) - -Now, when I copy a file (rather big, ~28MB): -# cp file_to_copy /tmp/mnt/ ; sync -# md5sum /tmp/mnt/file_to_copy -2efc9f32e4267782b11d63d2f128a363 /tmp/mnt/file_to_copy -# umount /tmp/mnt -# mount /dev/nbd0p1 /tmp/mnt/ -# md5sum /tmp/mnt/file_to_copy -42b0a3bf73f704d03ce301716d7654de /tmp/mnt/file_to_copy - -The first hash was obviously the right one. - -On a previous attempt I did, I spotted thanks to vbindiff that parts of the file were just filed with 0s instead of actual data. -It will randomly work after several attempts to write. - -Version information: -# qemu-nbd --version -qemu-nbd version 0.0.1 -Written by Anthony Liguori. - -Cheers, \ No newline at end of file |