On Wed, Nov 11, 2020 at 8:13 PM Thomas Schmitt <scdbac...@gmx.net> wrote: > > Hi, > > Anatoly Pugachev wrote directly to me: > > sent you an ISO file with another account... > > Now that's embrassing. My zisofs compressor did put out the zisofs > block pointers into the file as big-endian 32-bit numbers, where > everybody expects little-endian. > So the bread() call in the kernel which shall fetch the first piece of > compressed data gets sent to byte offset 0x94000000 rather than 0x94 = 148. > > Great catch. Congrats. > > I sent you a mail with my test.iso as attachment. But i got it back > from GMX with this quote: > > mator...@gmail.com: > SMTP error from remote server for TEXT command, host: > gmail-smtp-in.l.google.com (74.125.140.27) reason: > 552-5.7.0 This message was blocked because its content presents a potential > 552-5.7.0 security issue. Please visit > 552-5.7.0 https://support.google.com/mail/?p=BlockedMessage to review our > 552 5.7.0 message content and attachment content guidelines. > o2si2723031wru.291 - gsmtp > > Just make the ISO on the little-endian machine and copy it to the > big-endian one. Then it should really work ... i hope ...
copied (freshly generated) test.iso from x86_64 VM to ppc64 host: root@chubaka:/home/mator# umount /mnt root@chubaka:/home/mator# mount -o loop,ro test.iso /mnt mator@chubaka:~$ md5sum /tmp/1mb 5e8131627edf05ecdd02f26b28aa6f8f /tmp/1mb mator@chubaka:~$ ls -l /mnt total 2 -rw-r--r-- 1 mator users 1024000 Nov 11 16:12 1mb mator@chubaka:~$ md5sum /mnt/1mb 5e8131627edf05ecdd02f26b28aa6f8f /mnt/1mb works