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    SubjectRe: [dm-crypt] dm-crypt is broken and causes massive data corruption
    On 5/11/06, Paul Slootman <paul+nospam@wurtel.net> wrote:

    > A data point:
    >
    > I'm running my /home on reiserfs3 over dm-crypt over lvm over raid5 for
    > at least a year now, without any problems. Currently running 2.6.13.4
    > (that's my "stable" work system...).

    Datapoint:

    Linux fileserver 2.6.15.6 #1 PREEMPT Wed Mar 8 20:26:55 EST 2006
    x86_64 GNU/Linux
    CONFIG_MD_RAID5=y
    CONFIG_BLK_DEV_DM=y
    CONFIG_DM_SNAPSHOT=y
    CONFIG_CRYPTO_AES_X86_64=y

    encrypted logical volume on a raid-5 MD on 4 SATA drives, mounted reiser3.

    aes-cbc-plain

    It's worked through multiple kernels, and moving from 32 to 64bits.
    2.6.11 (64-bit) 2.6.10 (64bit) 2.6.8 (32bit) is the kernel history I
    have so far. I'm not sure when I switched from cryptoloop to dm-crypt
    though, at least before may '05.

    I'm not running dm-crypt directly on MD, though, the stack is
    SATA->MD->DM->DM-crypt->reiser3. That may be the difference.

    I've got plenty of free space, I could make a ~75gb encrypted
    partition and run any sort
    of write pattern test/filesystem you want me to try.
    -
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