linux-kernel - Re: 2.6.37-rc7: Regression: b43: crashes in hwrng

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Date:	Wed, 5 Jan 2011 00:35:05 +0100
From:	"Mario 'BitKoenig' Holbe" <Mario.Holbe@...Ilmenau.DE>
To:	Herbert Xu <herbert@...dor.hengli.com.au>,
	Larry Finger <Larry.Finger@...inger.net>,
	Matt Mackall <mpm@...enic.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux Crypto Mailing List <linux-crypto@...r.kernel.org>,
	Harald Welte <HaraldWelte@...tech.com>,
	Michal Ludvig <michal@...ix.cz>
Subject: Re: 2.6.37-rc7: Regression: b43: crashes in hwrng_register()

On Wed, Jan 05, 2011 at 12:06:44AM +0100, Mario 'BitKoenig' Holbe wrote:
> On Wed, Jan 05, 2011 at 09:42:38AM +1100, Herbert Xu wrote:
> > Can you please try this patch against vanilla to print out the
> > raw output of xstore?
> 00000000  00 ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|

Btw: the same with vanilla 2.6.37-rc7 and only the printk in xstore()
from your 2nd patch:

# hexdump -n 16 -C /dev/hwrng
00000000  2b f3 16 07 e8 57 1a a9  d2 3e 7f ad 0e 78 75 7f  |+....W...>...xu.|
00000010
# 


kern.log meanwhile (lines numbered):

     1  Jan  5 00:27:09 ideapad kernel: [  122.489475] 0x25ba3b2b
     2  Jan  5 00:27:09 ideapad kernel: [  122.489486] 0xe68ae2f3
     3  Jan  5 00:27:09 ideapad kernel: [  122.489489] 0x0
     4  Jan  5 00:27:09 ideapad kernel: [  122.489502] 0x75621016
     5  Jan  5 00:27:09 ideapad kernel: [  122.489505] 0x0
     6  Jan  5 00:27:09 ideapad kernel: [  122.489518] 0x727edc07
     7  Jan  5 00:27:09 ideapad kernel: [  122.489520] 0x0
     8  Jan  5 00:27:09 ideapad kernel: [  122.489534] 0x851b82e8
     9  Jan  5 00:27:09 ideapad kernel: [  122.491241] 0xfba49c57
    10  Jan  5 00:27:09 ideapad kernel: [  122.491245] 0x0
    11  Jan  5 00:27:09 ideapad kernel: [  122.491258] 0xc63eca1a
...
  8156  Jan  5 00:27:10 ideapad kernel: [  122.782215] 0x0
  8157  Jan  5 00:27:10 ideapad kernel: [  122.782228] 0xb736d99b
  8158  Jan  5 00:27:10 ideapad kernel: [  122.782230] 0x0
  8159  Jan  5 00:27:10 ideapad kernel: [  122.782243] 0x339211fd
  8160  Jan  5 00:27:10 ideapad kernel: [  122.782246] 0x0
  8161  Jan  5 00:27:10 ideapad kernel: [  122.782258] 0x12f898d1
  8162  Jan  5 00:27:10 ideapad kernel: [  122.782261] 0x0
  8163  Jan  5 00:27:10 ideapad kernel: [  122.782273] 0xc73fcdda


Mario
-- 
The question of whether a computer can think is no more interesting than
the question of whether a submarine can swim.          -- E. W. Dijkstra

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