Le 22/02/2016 17:10, txsan...@gmail.com a écrit : > 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 > Just mkdir /mnt/lukstest
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