On Thu, Apr 10, 2014 at 03:22:10PM -0400, Matt Porter wrote: > Commit "d9e7972 hwrng: add randomness to system from rng sources" > exposed a bug in the bcm2835-rng driver resulting in boot failure > on Raspberry Pi due to the following oops: > > [ 28.261523] BUG: soft lockup - CPU#0 stuck for 23s! [swapper:1] > [ 28.271058] > [ 28.275958] CPU: 0 PID: 1 Comm: swapper Not tainted 3.14.0+ #11 > [ 28.285374] task: db480000 ti: db484000 task.ti: db484000 > [ 28.294279] PC is at bcm2835_rng_read+0x28/0x48 > [ 28.302276] LR is at hwrng_register+0x1a8/0x238 > . > . > . > > The RNG h/w is not completely initialized and enabled before > hwrng_register() is called and so the bcm2835_rng_read() fails. > Fix this by making the warmup/enable writes before registering > the RNG source with the hwrng core. > > Signed-off-by: Matt Porter <mpor...@linaro.org>
Patch applied. Thanks a lot! -- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
