2016. február 22., hétfő 11:24:25 UTC+1 időpontban clabbe.montjoie a következőt 
írta:
> On Sun, Feb 21, 2016 at 07:24:36AM -0800, m.silentcr...@gmail.com wrote:
> > Hi,
> > 
> > Am Mittwoch, 17. Februar 2016 18:16:09 UTC+1 schrieb txsa...@gmail.com:
> > > Hi
> > > 
> > > I have a Cubieboard2 device, is Allwinner A20 SOC, running and Armbian 
> > > 5.00 with kernel 4.4.1.
> > > 
> > > As in the latest version the sun4i-ss module is added, i tried the 
> > > hardware crypto acceleration with my 2 TB LUKS encrypted HDD, with 256bit 
> > > AES-CBC-PLAIN64 encryption.
> > > 
> > > It was fast, but i noticed that when playing videos from that HDD, there 
> > > are random errors coming from somewhere. As the same happened when 
> > > streaming the video on DLNA, and SAMBA, i did some tests.
> > > 
> > > As the HDD is also used for a backup storage, i compared the original 
> > > files with the backup on the encrypted HDD, and the most of the bigger 
> > > files were different.
> > > 
> > > So i've unloaded sun4i-ss module with "rmmod sun4i_ss" and everything 
> > > become OK, no video errors, the backup and the original files are 
> > > identical.
> > > 
> > > So there is something wrong with this module, as i see only the 
> > > decryption side is faulty, the encryption seems to be OK.
> > > 
> > > Any suggestions?
> > 
> > If there are any easy-to-setup tests I could run to help identify this 
> > issue, I'd be happy to run some tests on a spare Banana Pi I have. If there 
> > really is a bug in the sun4i-ss driver or in the accelerator itself that 
> > causes data corruption, I'd rather have it found as soon as possible.
> > 
> > @Correntin: Is it possible to let your cryptotest testsuite run tests 
> > specifically for large data blocks?
> > 
> > Regards,
> > 
> > Timo
> 
> Hello
> 
> Changing the cryptotest is useless since cryptsetup/dm-crypt cipher data by 
> blocks of 512.
> So the length of data changes only the statistic to hit the bug.
> So I have writed a test (lukstest) which use cryptsetup, create files on a 
> cipherered partiton and checked it.
> If you could test it for knowing if it find the issue. (Just uploaded it on 
> github).
> 
> Actualy all my works is to try to reproduce this issue on my setup.
> I also try to know if this thread 
> https://www.mail-archive.com/linux-crypto@vger.kernel.org/msg17926.html is 
> related.
> 
> Regards

This happens:

cubieboard2:~/cryptotest-master/luks$ ./lukstest
ERROR: /mnt/lukstest does not exists

-- 
You received this message because you are subscribed to the Google Groups 
"linux-sunxi" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to linux-sunxi+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to