On 16 September 2014 22:01, Romain Francoise <romain@xxxxxxxxxxxxx> wrote: > On Mon, Sep 15, 2014 at 10:36:46AM +0200, Romain Francoise wrote: >> I upgraded from v3.16 to v3.17-rc5 and the ctr-aes-aesni encryption test >> fails, which makes my IPsec tunnels unhappy (see trace below). Before I >> start bisecting (2cddcc7df8fd3 is probably my first guess), is this >> already known? > >> Sep 15 08:07:56 silenus kernel: [ 35.137145] alg: skcipher: Test 4 failed on encryption for ctr-aes-aesni [...] I do not get the above message on a SandyBridge i7-2620M, even though the module makes use of the "by8" variant on my system, too: [ 0.340626] AVX version of gcm_enc/dec engaged. [ 0.340627] AES CTR mode by8 optimization enabled [ 0.341273] alg: No test for __gcm-aes-aesni (__driver-gcm-aes-aesni) > Update: reverting 2cddcc7df8 ("crypto: aes - AES CTR x86_64 "by8" AVX > optimization") fixes this. This machine is Sandy Bridge (Core i7-2600), > and the problem doesn't seem to occur with the exact same kernel image > on Ivy Bridge (Xeon E3-1240v2). Can you please provide the full kernel log and /proc/cpuinfo of those machines? It would be interesting to know which variant was used on those machines -- the new "by8" or the old one. Thanks, Mathias -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html