On Tue, Sep 16, 2014 at 10:01:07PM +0200, Romain Francoise 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 [...]
>
> 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).
Thanks for bisecting. If we can't fix this quickly then we should
just revert it for now.
Cheers,
--
Email: Herbert Xu <herb...@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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