Counting SD ram

2008-07-26 Thread ScottW
I keep seeing people saying they have 2 8gig SD chips in their n810, yet I only 
see a slot for 1.  Where does the 2nd one go?

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Re: Counting SD ram

2008-07-26 Thread Ryan Abel
On Sat, Jul 26, 2008 at 12:38 PM, ScottW [EMAIL PROTECTED] wrote:
 I keep seeing people saying they have 2 8gig SD chips in their n810, yet I 
 only see a slot for 1.  Where does the 2nd one go?

That'd be an N800. The N810's internal card is a permanent 2GB.
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Use N800 on airplane

2008-07-26 Thread Bruce Forsberg
I just got a used N800 (OS2008 I think) and plan to develop software for it.
I would also like to take it with me on trips. Can one use this device on an
airplane? I am interested in how to make sure the device is not
transmitting. Is there a kill switch for the wireless and bluetooth? For
the wireless all I can find is a Always Ask setting.

Thanks
Bruce Forsberg
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Re: Use N800 on airplane

2008-07-26 Thread Jonathan Greene
There's an offline mode ... press the power switch once and select it.

On Sat, Jul 26, 2008 at 1:58 PM, Bruce Forsberg
[EMAIL PROTECTED] wrote:
 I just got a used N800 (OS2008 I think) and plan to develop software for it.
 I would also like to take it with me on trips. Can one use this device on an
 airplane? I am interested in how to make sure the device is not
 transmitting. Is there a kill switch for the wireless and bluetooth? For
 the wireless all I can find is a Always Ask setting.

 Thanks
 Bruce Forsberg

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+1.914.750.8740
AIM / iChat - atmasphere
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blogs - http://www.atmasphere.net/wp / http://www.maemoapps.com
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Re: Power consumption and WLAN APs

2008-07-26 Thread Andrew Daviel
On Thu, 24 Jul 2008, Kalle Valo wrote:

(packets from N810 captured with airodump-ng show as malformed)

 Usually missing FCS causes this. There's a setting in Wireshark under
 IEEE 802.11 to enable and disable FCS calculation. Try reverting that
 option.

Yes. Edit/Preferences/Protocols/IEEE 802.11. Also lets me set WEP keys. 
Not sure I have that working right, but I turned off WEP/WPA to debug, 
anyway.

I was able to get the IBM laptop into monitor mode using the madwifi
instructions (thanks) - airodump did not do it as it does on the tablet.
# wlanconfig ath0 destroy
# wlanconfig ath0 create wlandev wifi0 wlanmode monitor
# ifconfig ath0 up
# echo '801'  /proc/sys/net/ath0/dev_type

then I could use tcpdump or ethereal/wireshark. If I don't suppress 
prism headers then I can't refilter with tcpdump wlan host node
which makes it hard to sift through the traffic at work.

I have placed some capture data on my server at 
http://andrew.triumf.ca/reqauth/PSM/
(password test/test to keep out robots and the clueless)
I may be being dumb, but I can't see a problem. I can see the tablet 
doing a power-save poll and saying it is going to sleep after the 
transactions, and the more-data bit appears cleared. I can see the DTIM 
bits being set in the beacon before the data transactions and cleared 
afterwords.

There is a lot more traffic at work (duh), including lots of ip broadcast 
traffic on a VLAN connected to our wired LAN. But that's on a different 
SSID. We recently created a separate VLAN  SSID with encryption on, 
which is what I normally use on the tablet, but here I used our visitor 
SSID. These don't see the ip broadcasts from the wired LAN, but in any 
case as I understand it these should not make a substantial difference in PS 
mode.

A battery graph is at
http://andrew.triumf.ca/reqauth/PSM/batt.use2.gif

I may be able to get a spare Proxim AP to take home. There's a limit on 
what I can mess with on our production WLAN :-7, and I'd have a less
noisy environment.

I'm not sure what I can tell Proxim. Send them the capture files, I 
guess. Setting the AP to closed mode made no difference.

notes:
If I want to see ping broadcasts, I can do
  echo 0  /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts

I wondered whether setting /proc/sys/net/ipv4/tcp_frto helps, as per 
kernel ip-sysctl.txt (particularly beneficial in wireless environments)
Not for the power, just for transmission errors.

I thought that unicast data was buffered till the next beacon in PS mode,
with broadcast/multicast buffered till the next DTIM interval, but at 
least on my Linksys router it looks like unicast is buffered till DTIM 
too. It lets me adjust both the beacon interval and DTIM; the Proxim 
allows only DTIM. Defaults are 100ms and 1x.
If the delay (beacon interval x DTIM) exceeds about 10 seconds, the 
tablet won't respond to incoming data. My desktop says network not 
reachable. I thought that was a tunable parameter but the only one I 
found was a SYN timeout at 60x.
If the tablet is in power-save mode, doing iwconfig wlan0 power off
will momentarily revert it to non-PS, and incoming data is received.
Outgoing data is unaffected.
Doing a broadcast ping was interesting with DTIM  the ping interval;
wired stations respond every second but the wireless ones are bunched up
in a group. As expected; it just looks weird.


-- 
Andrew Daviel, TRIUMF, Canada
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Re: Use N800 on airplane

2008-07-26 Thread James Knott
Bruce Forsberg wrote:
 I just got a used N800 (OS2008 I think) and plan to develop software 
 for it. I would also like to take it with me on trips. Can one use 
 this device on an airplane? I am interested in how to make sure the 
 device is not transmitting. Is there a kill switch for the wireless 
 and bluetooth? For the wireless all I can find is a Always Ask setting.


Yes, you can use the N800 on aircraft, with the permission of the crew.  
There is a setting for turning off both WiFi and Bluetooth.  Just select 
Offline Mode.



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Repositories borked (as usual)

2008-07-26 Thread Luca Olivetti
Understandably apt-get has some difficulties interpreting the following
as a Packages.gz file.

Folks, if you want people to use maemo-extras (a goal that I completely
agree with) nokia's repositories have to be a little more reliable,
don't you think?

System error
error:  read_file: could not open file '/var/www/checknokiands.comp' 
for reading: Permission denied
context:
... 
44: # the potential bugs. It's easy to mess up the logic.
45: 
46: sub read_file_ref
47: {
48: my $fh = _get_reading_handle(@_);
49: my ($buffer, $retval) = ('');
50: while (1) {
51: # Important to read in chunks - 16KB is a good compromise
52: # between not bloating memory usage and not calling read many
... 
code stack: /usr/share/perl5/HTML/Mason/Tools.pm:48
/usr/share/perl5/HTML/Mason/Resolver/File.pm:97
/usr/share/perl5/HTML/Mason/ComponentSource.pm:55
/usr/share/perl5/HTML/Mason/Compiler/ToObject.pm:115
/usr/share/perl5/HTML/Mason/Interp.pm:308
/usr/share/perl5/HTML/Mason/Request.pm:892
/usr/share/perl5/HTML/Mason/Request.pm:996
/var/www/dhandler:17
raw error


read_file: could not open file '/var/www/checknokiands.comp' for reading: 
Permission denied

Trace begun at /usr/share/perl5/HTML/Mason/Tools.pm line 67
HTML::Mason::Tools::_get_reading_handle('/var/www/checknokiands.comp') called 
at /usr/share/perl5/HTML/Mason/Tools.pm line 48
HTML::Mason::Tools::read_file_ref('/var/www/checknokiands.comp') called at 
/usr/share/perl5/HTML/Mason/Resolver/File.pm line 97
HTML::Mason::Resolver::File::__ANON__ at 
/usr/share/perl5/HTML/Mason/ComponentSource.pm line 55
eval {...} at /usr/share/perl5/HTML/Mason/ComponentSource.pm line 55
HTML::Mason::ComponentSource::comp_source_ref('HTML::Mason::ComponentSource=HASH(0x87a5a78)')
 called at /usr/share/perl5/HTML/Mason/Compiler/ToObject.pm line 115
HTML::Mason::Compiler::ToObject::compile_to_file(undef, 'file', 
'/var/mason/obj/checknokiands.comp', 'source', 
'HTML::Mason::ComponentSource=HASH(0x87a5a78)') called at 
/usr/share/perl5/HTML/Mason/Interp.pm line 308
HTML::Mason::Interp::load('HTML::Mason::Interp=HASH(0x877adb4)', 
'/checknokiands.comp') called at /usr/share/perl5/HTML/Mason/Request.pm line 892
HTML::Mason::Request::fetch_comp('HTML::Mason::Request::ApacheHandler=HASH(0x879a13c)',
 'checknokiands.comp') called at /usr/share/perl5/HTML/Mason/Request.pm line 996
HTML::Mason::Request::comp('HTML::Mason::Request::ApacheHandler=HASH(0x879a13c)',
 'checknokiands.comp', 'uri', 
'catalogue/certified/dists/diablo/user/binary-armel/Packages.gz') called at 
/var/www/dhandler line 17
HTML::Mason::Commands::__ANON__ at /usr/share/perl5/HTML/Mason/Component.pm 
line 134
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x878b01c)')
 called at /usr/share/perl5/HTML/Mason/Request.pm line 1069
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 1068
HTML::Mason::Request::comp(undef, undef, undef) called at 
/usr/share/perl5/HTML/Mason/Request.pm line 338
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 338
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 297
HTML::Mason::Request::exec('HTML::Mason::Request::ApacheHandler=HASH(0x879a13c)')
 called at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 134
eval {...} at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 134
HTML::Mason::Request::ApacheHandler::exec('HTML::Mason::Request::ApacheHandler=HASH(0x879a13c)')
 called at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 793
HTML::Mason::ApacheHandler::handle_request('HTML::Mason::ApacheHandler=HASH(0x877c31c)',
 'Apache=SCALAR(0x8576784)') called at (eval 37) line 8
HTML::Mason::ApacheHandler::handler('HTML::Mason::ApacheHandler', 
'Apache=SCALAR(0x8576784)') called at /dev/null line 0
eval {...} at /dev/null line 0





Bye
-- 
Luca


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Re: Counting SD ram

2008-07-26 Thread Denis Dimick
The n810 will take a 16gig SD card, (mini or micro), and so will the n800.

I also assume that if and when the 32 gig cards come out you could use them
also.

HtH,

Denis


On Sat, Jul 26, 2008 at 10:43 AM, Ryan Abel [EMAIL PROTECTED] wrote:

 On Sat, Jul 26, 2008 at 12:38 PM, ScottW [EMAIL PROTECTED] wrote:
  I keep seeing people saying they have 2 8gig SD chips in their n810, yet
 I only see a slot for 1.  Where does the 2nd one go?

 That'd be an N800. The N810's internal card is a permanent 2GB.
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