Re: SMALL FreeBSD capable board

2012-08-07 Thread Warner Losh

On Aug 5, 2012, at 8:36 AM, Wojciech Puchar wrote:

> i am looking for SMALL and specifically low power board that can run from 
> battery, can run FreeBSD and have at least one ethernet and one USB port, and 
> reasonable amount of memory (32MB at least).
> WiFi not needed. some more than few MB flash is, as well as about 10 GPIO 
> ports or useful SPI port.
> 
> I already see a lot of useful supported ones in source tree, with ARM and 
> MIPS.
> 
> I want to make portable router PLUS my own add own hardware, and have full 
> control over software running on it.
> 
> Any recommendation.
> 
> Ethernut 5 seems great
> http://www.ethernut.de/en/hardware/enut5/index.html
> 
> but no info about price and availability in Poland

You're looking at about $250 or EU 200 for that.

I'd recommend something like:

http://www.glomationinc.com/product_9G20u.html

which is US$55 + shipping.  A friend got one too and will be building an alarm 
clock out of it (complicated one).

http://www.mini-box.com/pico-SAM9G45-X

which is US$69, but has a 4 week lead time.  I have both of these on order.

NAND isn't yet supported, but is high on my Atmel hit list.

Warner


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pmc warnings on stable/9

2012-08-07 Thread Sean Bruno
I have no idea the significance, or danger.  When compiling on stable/9
I have always seen the following WARNINGS.  Can we silence/fix these?
Or is it supposed to be that way?  :-)

WARNING: hwpmc_soft.c: enum pmc_event has too many values: 1531 > 1023
WARNING: kern_pmc.c: enum pmc_event has too many values: 1531 > 1023
WARNING: kern_rwlock.c: enum pmc_event has too many values: 1531 > 1023
WARNING: kern_sx.c: enum pmc_event has too many values: 1531 > 1023
WARNING: kern_lock.c: enum pmc_event has too many values: 1531 > 1023
WARNING: hwpmc_intel.c: enum pmc_event has too many values: 1531 > 1023
WARNING: hwpmc_tsc.c: enum pmc_event has too many values: 1531 > 1023
WARNING: hwpmc_amd.c: enum pmc_event has too many values: 1531 > 1023
WARNING: kern_clock.c: enum pmc_event has too many values: 1531 > 1023
WARNING: kern_mutex.c: enum pmc_event has too many values: 1531 > 1023
WARNING: trap.c: enum pmc_event has too many values: 1531 > 1023
WARNING: hwpmc_x86.c: enum pmc_event has too many values: 1531 > 1023
WARNING: hwpmc_uncore.c: enum pmc_event has too many values: 1531 > 1023
WARNING: hwpmc_piv.c: enum pmc_event has too many values: 1531 > 1023
WARNING: hwpmc_core.c: enum pmc_event has too many values: 1531 > 1023
WARNING: hwpmc_logging.c: enum pmc_event has too many values: 1531 >
1023
WARNING: hwpmc_mod.c: enum pmc_event has too many values: 1531 > 1023


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ctfconvert failure on stable/9

2012-08-07 Thread Sean Bruno
Not sure what to make of this error:

ERROR: ctfconvert: rc = 2 No entry found [dwarf_next_cu_header(57)]

my kernel is compiling, but I seem to fail at understanding something?

Sean

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Re: pmc warnings on stable/9

2012-08-07 Thread Ryan Stone
On Tue, Aug 7, 2012 at 7:16 PM, Sean Bruno  wrote:
> I have no idea the significance, or danger.  When compiling on stable/9
> I have always seen the following WARNINGS.  Can we silence/fix these?
> Or is it supposed to be that way?  :-)
>
> WARNING: hwpmc_soft.c: enum pmc_event has too many values: 1531 > 1023
> WARNING: kern_pmc.c: enum pmc_event has too many values: 1531 > 1023
> WARNING: kern_rwlock.c: enum pmc_event has too many values: 1531 > 1023
> WARNING: kern_sx.c: enum pmc_event has too many values: 1531 > 1023
> WARNING: kern_lock.c: enum pmc_event has too many values: 1531 > 1023
> WARNING: hwpmc_intel.c: enum pmc_event has too many values: 1531 > 1023
> WARNING: hwpmc_tsc.c: enum pmc_event has too many values: 1531 > 1023
> WARNING: hwpmc_amd.c: enum pmc_event has too many values: 1531 > 1023
> WARNING: kern_clock.c: enum pmc_event has too many values: 1531 > 1023
> WARNING: kern_mutex.c: enum pmc_event has too many values: 1531 > 1023
> WARNING: trap.c: enum pmc_event has too many values: 1531 > 1023
> WARNING: hwpmc_x86.c: enum pmc_event has too many values: 1531 > 1023
> WARNING: hwpmc_uncore.c: enum pmc_event has too many values: 1531 > 1023
> WARNING: hwpmc_piv.c: enum pmc_event has too many values: 1531 > 1023
> WARNING: hwpmc_core.c: enum pmc_event has too many values: 1531 > 1023
> WARNING: hwpmc_logging.c: enum pmc_event has too many values: 1531 >
> 1023
> WARNING: hwpmc_mod.c: enum pmc_event has too many values: 1531 > 1023
>
>
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These warnings(and the previous one from your other thread) both come
from ctfconvert.  I haven't looked into them in detail but I suspect
that the CTF format is not able to represent things like enums with
more than 1024 entries, or structures with more than a certain number
of members.  I've never seen any actual side-effects of the warnings,
although I suspect that if you tried to use DTrace to examine
variables with the affected types you wouldn't be able to inspect
everything.  As far as I know, DTrace is the only consumer of CTF data
in the kernel.

I have dreams of replacing DTrace's usage of CTF with libdwarf, but
that's little more than idle musings on my part at this stage.
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Re: pmc warnings on stable/9

2012-08-07 Thread Jim Harris
On Tue, Aug 7, 2012 at 4:37 PM, Ryan Stone  wrote:
> On Tue, Aug 7, 2012 at 7:16 PM, Sean Bruno  wrote:
>> I have no idea the significance, or danger.  When compiling on stable/9
>> I have always seen the following WARNINGS.  Can we silence/fix these?
>> Or is it supposed to be that way?  :-)
>>
>> WARNING: hwpmc_soft.c: enum pmc_event has too many values: 1531 > 1023
>> WARNING: kern_pmc.c: enum pmc_event has too many values: 1531 > 1023
>> WARNING: kern_rwlock.c: enum pmc_event has too many values: 1531 > 1023
>> WARNING: kern_sx.c: enum pmc_event has too many values: 1531 > 1023
>> WARNING: kern_lock.c: enum pmc_event has too many values: 1531 > 1023
>> WARNING: hwpmc_intel.c: enum pmc_event has too many values: 1531 > 1023
>> WARNING: hwpmc_tsc.c: enum pmc_event has too many values: 1531 > 1023
>> WARNING: hwpmc_amd.c: enum pmc_event has too many values: 1531 > 1023
>> WARNING: kern_clock.c: enum pmc_event has too many values: 1531 > 1023
>> WARNING: kern_mutex.c: enum pmc_event has too many values: 1531 > 1023
>> WARNING: trap.c: enum pmc_event has too many values: 1531 > 1023
>> WARNING: hwpmc_x86.c: enum pmc_event has too many values: 1531 > 1023
>> WARNING: hwpmc_uncore.c: enum pmc_event has too many values: 1531 > 1023
>> WARNING: hwpmc_piv.c: enum pmc_event has too many values: 1531 > 1023
>> WARNING: hwpmc_core.c: enum pmc_event has too many values: 1531 > 1023
>> WARNING: hwpmc_logging.c: enum pmc_event has too many values: 1531 >
>> 1023
>> WARNING: hwpmc_mod.c: enum pmc_event has too many values: 1531 > 1023
>>
>>
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>
> These warnings(and the previous one from your other thread) both come
> from ctfconvert.  I haven't looked into them in detail but I suspect
> that the CTF format is not able to represent things like enums with
> more than 1024 entries, or structures with more than a certain number
> of members.  I've never seen any actual side-effects of the warnings,
> although I suspect that if you tried to use DTrace to examine
> variables with the affected types you wouldn't be able to inspect
> everything.  As far as I know, DTrace is the only consumer of CTF data
> in the kernel.
>
> I have dreams of replacing DTrace's usage of CTF with libdwarf, but
> that's little more than idle musings on my part at this stage.
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FYI - r207578 added this warning to FreeBSD's ctf, specifically to
handle the large pmc_entry enumeration.

http://svnweb.freebsd.org/base?view=revision&revision=207578
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Published paper

2012-08-07 Thread ali mousa
Hi,

I have recently published a paper related to Operating System, can you please 
check it out http://www.ijcsi.org/papers/IJCSI-9-4-1-77-84.pdf and tell me your 
opinion, looking forward to hear from you ?
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Re: [maybe spam] Published paper

2012-08-07 Thread Julian Elischer

On 8/7/12 5:24 PM, ali mousa wrote:

Hi,

I have recently published a paper related to Operating System, can you please 
check it out http://www.ijcsi.org/papers/IJCSI-9-4-1-77-84.pdf and tell me your 
opinion, looking forward to hear from you ?

Certainly interesting.. I will read more of it later.


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Re: Published paper

2012-08-07 Thread Chris Nehren
On Tue, Aug 07, 2012 at 17:24:37 -0700 , ali mousa wrote:
> Hi,
> 
> I have recently published a paper related to Operating System, can you
> please check it out http://www.ijcsi.org/papers/IJCSI-9-4-1-77-84.pdf
> and tell me your opinion, looking forward to hear from you ?

The DragonFlyBSD project may also find this interesting, because AFAIR
one of the reasons Matt forked FreeBSD was due to disagreements in the
SMP implementation. 

-- 
Thanks and best regards,
Chris Nehren


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