On 14/06/2016 22:14, Etienne Champetier wrote:
> Felix, John, is your nack on writing on every boot final?
if there is an alternate way to do so then yes. as i said before, adding
a optin/out option should be possible. i always went by the rule that
writing a sector more than 1000 times should b
2016-06-14 21:15 GMT+03:00 David Lang :
> On Tue, 14 Jun 2016, Etienne Champetier wrote:
>
>> Hi David,
>>
>> 2016-06-14 20:21 GMT+03:00 David Lang :
>>>
>>> On Tue, 14 Jun 2016, Etienne Champetier wrote:
>>>
2016-06-14 9:08 GMT+02:00 Felix Fietkau :
>
>
> On 2016-06-13 22:10, Etie
On Tue, 14 Jun 2016, Etienne Champetier wrote:
Hi David,
2016-06-14 20:21 GMT+03:00 David Lang :
On Tue, 14 Jun 2016, Etienne Champetier wrote:
2016-06-14 9:08 GMT+02:00 Felix Fietkau :
On 2016-06-13 22:10, Etienne Champetier wrote:
Hi John, Felix,
2016-06-13 13:55 GMT+02:00 John Crispi
Citeren David Lang :
On Mon, 13 Jun 2016, Daniel Curran-Dickinson wrote:
On Mon, 2016-06-13 at 22:10 +0200, Etienne Champetier wrote:
Before we try to minimize writes, how much writes are we talking about?
my openwrt routers have multiple months of uptime, and even if we get
down to 1 week,
On Mon, 13 Jun 2016, Daniel Curran-Dickinson wrote:
On Mon, 2016-06-13 at 22:10 +0200, Etienne Champetier wrote:
Before we try to minimize writes, how much writes are we talking about?
my openwrt routers have multiple months of uptime, and even if we get
down to 1 week, that gets us to 53 writ
Hi David,
2016-06-14 20:21 GMT+03:00 David Lang :
> On Tue, 14 Jun 2016, Etienne Champetier wrote:
>
>> 2016-06-14 9:08 GMT+02:00 Felix Fietkau :
>>>
>>> On 2016-06-13 22:10, Etienne Champetier wrote:
Hi John, Felix,
2016-06-13 13:55 GMT+02:00 John Crispin :
>
>
>
>
On Tue, 14 Jun 2016, Etienne Champetier wrote:
2016-06-14 9:08 GMT+02:00 Felix Fietkau :
On 2016-06-13 22:10, Etienne Champetier wrote:
Hi John, Felix,
2016-06-13 13:55 GMT+02:00 John Crispin :
On 13/06/2016 00:56, Etienne Champetier wrote:
Hi Felix,
2016-06-12 12:45 GMT+02:00 Felix Fiet
On Mon, 2016-06-13 at 22:10 +0200, Etienne Champetier wrote:
> Before we try to minimize writes, how much writes are we talking about?
> my openwrt routers have multiple months of uptime, and even if we get
> down to 1 week, that gets us to 53 writes a year.
> How much writes can a flash handle th
On 14/06/16 10:05, Kevin Darbyshire-Bryant wrote:
On 14/06/16 09:13, Etienne Champetier wrote:
Ok, let's find a middle ground :)
What about saving a seed if there is none (on boot), and then using an
ntp hotplug (stratum event) and save a new seed if older than say 1
week?
Etienne
And I'll
On 14/06/16 09:13, Etienne Champetier wrote:
2016-06-14 9:08 GMT+02:00 Felix Fietkau :
On 2016-06-13 22:10, Etienne Champetier wrote:
Hi John, Felix,
2016-06-13 13:55 GMT+02:00 John Crispin :
On 13/06/2016 00:56, Etienne Champetier wrote:
Hi Felix,
2016-06-12 12:45 GMT+02:00 Felix Fietka
On 2016-06-14 10:13, Etienne Champetier wrote:
>>> Before we try to minimize writes, how much writes are we talking about?
>>> my openwrt routers have multiple months of uptime, and even if we get
>>> down to 1 week, that gets us to 53 writes a year.
>>> How much writes can a flash handle these day
2016-06-14 9:08 GMT+02:00 Felix Fietkau :
> On 2016-06-13 22:10, Etienne Champetier wrote:
>> Hi John, Felix,
>>
>> 2016-06-13 13:55 GMT+02:00 John Crispin :
>>>
>>>
>>> On 13/06/2016 00:56, Etienne Champetier wrote:
Hi Felix,
2016-06-12 12:45 GMT+02:00 Felix Fietkau :
> On 2016-
On 2016-06-13 22:10, Etienne Champetier wrote:
> Hi John, Felix,
>
> 2016-06-13 13:55 GMT+02:00 John Crispin :
>>
>>
>> On 13/06/2016 00:56, Etienne Champetier wrote:
>>> Hi Felix,
>>>
>>> 2016-06-12 12:45 GMT+02:00 Felix Fietkau :
On 2016-06-11 08:37, Etienne CHAMPETIER wrote:
> This com
Hi John, Felix,
2016-06-13 13:55 GMT+02:00 John Crispin :
>
>
> On 13/06/2016 00:56, Etienne Champetier wrote:
>> Hi Felix,
>>
>> 2016-06-12 12:45 GMT+02:00 Felix Fietkau :
>>> On 2016-06-11 08:37, Etienne CHAMPETIER wrote:
This commit:
1) seed /dev/urandom with a saved seed as early as
Just a FYI in case you didn't see it, Ted Ts'o posted a 7-patch cluster for
changing urandom that he plans to get into the next kernel
Subject: PATCH-v4 0/7] random: replace urandom pool with a CRNG
https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1166186.html
David Lang
___
On 13/06/16 12:55, John Crispin wrote:
On 13/06/2016 00:56, Etienne Champetier wrote:
Hi Felix,
2016-06-12 12:45 GMT+02:00 Felix Fietkau :
On 2016-06-11 08:37, Etienne CHAMPETIER wrote:
This commit:
1) seed /dev/urandom with a saved seed as early as possible
(using /lib/preinit/81_uran
On 13/06/2016 00:56, Etienne Champetier wrote:
> Hi Felix,
>
> 2016-06-12 12:45 GMT+02:00 Felix Fietkau :
>> On 2016-06-11 08:37, Etienne CHAMPETIER wrote:
>>> This commit:
>>> 1) seed /dev/urandom with a saved seed as early as possible
>>>(using /lib/preinit/81_urandom_seed)
>>> 2) save a n
Hi Felix,
2016-06-12 12:45 GMT+02:00 Felix Fietkau :
> On 2016-06-11 08:37, Etienne CHAMPETIER wrote:
>> This commit:
>> 1) seed /dev/urandom with a saved seed as early as possible
>>(using /lib/preinit/81_urandom_seed)
>> 2) save a new seed using getrandom() so we are sure /dev/urandom
>>
On 2016-06-11 08:37, Etienne CHAMPETIER wrote:
> This commit:
> 1) seed /dev/urandom with a saved seed as early as possible
>(using /lib/preinit/81_urandom_seed)
> 2) save a new seed using getrandom() so we are sure /dev/urandom
>pool is initialized (using /etc/init.d/urandom_seed)
>
> see
This commit:
1) seed /dev/urandom with a saved seed as early as possible
(using /lib/preinit/81_urandom_seed)
2) save a new seed using getrandom() so we are sure /dev/urandom
pool is initialized (using /etc/init.d/urandom_seed)
seed size is 512 bytes (ie /proc/sys/kernel/random/poolsize / 8)
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