[olpc-help] community-support Digest, Vol 2, Issue 68

Jay Gassman jdgassman at gmail.com
Tue Jan 22 06:50:18 EST 2008


Does anyone know how to donate the XO I received back to OLPC?--JDG

On Jan 21, 2008 10:05 PM, <community-support-request at lists.laptop.org>
wrote:

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> Today's Topics:
>
>   1.  I/O error when writing with built-in SD slot,    but not with
>      USB SD adapter (Denver Gingerich)
>   2. Re:  Help with Time Zone, Time and Date (franco)
>   3. Re:  Sending attachments (jay)
>   4. Re:  Friend via Internet? (franco)
>   5. Re:  Friend via Internet? (tdang)
>   6. Re:  Slightly sticky keyboard--RMA? (tdang)
>   7. Re:  LinkSys WRT54GX2 - What the status and what to do
>      (Michael E. Carver)
>   8. Re:  Sticky keyboard keys; Please RMA the laptops (Anonymous)
>   9. Re:  Sticky keyboard keys; Please RMA the laptops (Steve Holton)
>  10. Re:  LinkSys WRT54GX2 - What the status and what to do (Dwaine)
>  11. Re:  Steps to install Joyride? (Dwaine)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 21 Jan 2008 12:02:07 -0500
> From: "Denver Gingerich" <denver at ossguy.com>
> Subject: [olpc-help] I/O error when writing with built-in SD slot,
>  but
>        not with USB SD adapter
> To: "OLPC Community Support" <community-support at lists.laptop.org>
> Message-ID:
>        <6defe8840801210902s18eb8947q1d436858824028c8 at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> I have installed Ubuntu on an 8GB SDHC card (see
> http://www.freelikegnu.org/?p=21).  When I put the SDHC card into the
> XO's built-in SD slot, boot it, and use it for an hour, I get about 5
> error messages over the course of the hour of the following formats in
> the dmesg output:
>
> mmcblk0: error 1 transferring data
> end_request: I/O error, dev mmcblk0, sector 3407947
>
> These can result from a variety of operations, with the commonality
> being that they all appear to be writing to the disk.  For example:
>
> $ sudo mount -tjffs2 -oro mtd0 /mnt/nand
> can't create lock file /etc/mtab~1909: Input/output error (use -n flag
> to override)
>
> When I plug the SDHC card into a USB reader, connect that to the XO
> and boot from there, it works fine (several hours of use does not
> produce any I/O error messages in the dmesg output).
>
> To confirm the problem, I tried the following with the terminal
> activity while booted to the regular build 650 in flash (with the 8GB
> SD card in the XO's SD slot):
>
> dd if=/dev/zero of=/dev/mmcblk0p1
>
> This produced several errors of the above form ("mmcblk0: error...")
> as well as some of the following form (in the dmesg output):
>
> Buffer I/O error on device mmcblk0p1, logical block 99541
> lost page write due to I/O error on mmcblk0p1
>
> In all, I found about 100 lines of these errors in dmesg after
> performing the dd command above.
>
> When I try the same thing with the USB SD adapter I have (replacing
> mmcblk0p1 with sdb1 in the above dd command), I received no such
> errors in the dmesg output and dd runs to completion.  So it seems
> that writing to the SD card using the
> built-in SD slot has problems, but using a USB SD adapter to write
> does not have problems.
>
> Reading the SD card using dd with the built-in SD slot or the USB SD
> adapter ("dd if=/dev/<device> of=/dev/null") does not produce any
> errors in the dmesg output.
>
>
> To summarize, it appears that the built-in SD slot causes I/O errors
> when writing to an SD card even if the SD card is fine (as verified
> with the USB SD adapter).
>
>
> My research on this has shown similar errors reported by other people,
> but not necessarily in the same situations or with known-good SD
> cards.  See the following URLs:
>
> http://dev.laptop.org/ticket/1802
> http://wiki.laptop.org/go/Talk:Secure_Digital_card
>
> It may be important to note that I am using an ext2 partition on my SD
> card.  One person has reported that using FAT is part of the SD
> standard, which could cause problems, but I have been unable to verify
> that.  This seems like a strange requirement, though.  See the
> following URL for that comment:
>
> http://lists.laptop.org/pipermail/devel/2006-December/003222.html
>
>
> Has anyone had similar problems to this?  Is there a way to fix it or
> is it most likely a defective SD slot in the XO?
>
> Please CC me in your reply.  I am not on the mailing list.
>
> Denver
>
>
> ------------------------------
>
> Message: 2
> Date: Mon, 21 Jan 2008 18:00:47 +0000
> From: "franco" <community-support at lists.laptop.org>
> Subject: Re: [olpc-help] Help with Time Zone, Time and Date
> To: community-support at lists.laptop.org
> Message-ID: <1200938447.m2f.12829 at olpc.osuosl.org>
>
>
> All those new to linux can find help via google.  For instance, for this
> use
>
> linux <what ever keyword/problem you have>
>
> will get you an answer faster than it will here.
>
> Some things can't be done at the $ prompt and you must become superuser
> (the # prompt).
>
> exit gets you back out of superuser status.
>
> ------------------------
> If I give advice it is usually because I did it /  tested it successfully
> on my XO.  I will warn you otherwise.
>
>
>
>
>
>
>
> ------------------------------
>
> Message: 3
> Date: Mon, 21 Jan 2008 18:15:53 +0000
> From: "jay" <community-support at lists.laptop.org>
> Subject: Re: [olpc-help] Sending attachments
> To: community-support at lists.laptop.org
> Message-ID: <1200939353.m2f.12834 at olpc.osuosl.org>
>
>
> I can confirm that Opera works as one is accustomed by giving access to
> the file system.  The font size small but readable.
>
> It's not clear to me, however, that files in Journal can be easily
> identified to attach. If I understand things, the files have system-assigned
> id's.  So, I think you would need to drag the file to a usb or flash drive,
> where th file's name is recognizible, and select it from there in Opera's
> attachment interface.
>
>
>
>
>
>
>
> ------------------------------
>
> Message: 4
> Date: Mon, 21 Jan 2008 18:45:08 +0000
> From: "franco" <community-support at lists.laptop.org>
> Subject: Re: [olpc-help] Friend via Internet?
> To: community-support at lists.laptop.org
> Message-ID: <1200941108.m2f.12849 at olpc.osuosl.org>
>
>
> I see no answer to you.  Have you solved it already?
>
> Here is the wiki page on what you want to do:
>
> http://www.laptop.org/en/laptop/start/invite.shtml
>
> ------------------------
> If I give advice it is usually because I did it /  tested it successfully
> on my XO.  I will warn you otherwise.
>
>
>
>
>
>
>
> ------------------------------
>
> Message: 5
> Date: Mon, 21 Jan 2008 19:18:46 +0000
> From: "tdang" <community-support at lists.laptop.org>
> Subject: Re: [olpc-help] Friend via Internet?
> To: community-support at lists.laptop.org
> Message-ID: <1200943126.m2f.12859 at olpc.osuosl.org>
>
>
> No, I haven't gotten an answer yet. It's on the back-burner in any case,
> since my XO's are both in the RMA process. (I did set up a Ubuntu desktop
> w/XO emulator, but it's sooooo slow, maybe I'll try another tactic to speed
> it up or maybe I'll jsut blow it off.)
>
> My suspicion is that it's necessary to (at least initially) connect via a
> Jabber server. That's got me wondering what it takes to run Jabber, and if
> it would be possible to run some kinda itty-bitty Jabber on an XO itself to
> make its own mini-neighborhood.
>
> -Timothy
>
>
>
>
>
>
>
> ------------------------------
>
> Message: 6
> Date: Mon, 21 Jan 2008 19:22:01 +0000
> From: "tdang" <community-support at lists.laptop.org>
> Subject: Re: [olpc-help] Slightly sticky keyboard--RMA?
> To: community-support at lists.laptop.org
> Message-ID: <1200943321.m2f.12864 at olpc.osuosl.org>
>
>
> Thanks franco
>
> It's too late now, I'm past the 30-day period. I'll have to see how things
> go.
>
> -Timothy
>
>
>
>
>
>
>
> ------------------------------
>
> Message: 7
> Date: Mon, 21 Jan 2008 14:41:22 -0800
> From: "Michael E. Carver" <mcarver at kazart.com>
> Subject: Re: [olpc-help] LinkSys WRT54GX2 - What the status and what
>        to do
> To: OLPC Community Support <community-support at lists.laptop.org>
> Message-ID: <47951F92.3090607 at kazart.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> It would be nice to see this solved.  My public library just happens to
> be running their public WiFi access through this same model of router.
> My XO is not welcome at the library :-( since firing it up, shuts down
> access to all users of the public WiFi there...
>
> Kate Davis wrote:
> > Dwaine wrote:
> >
> >> Is it a bug in the chipset or could it be possibly be fixed with a
> firmware fix?
> >>
> >>
> >>
> > The current software does not support the MIMO.
> >
> >
> >> Maybe we could follow up with tech support with these vendors; getting
> them to take a look at the problem.
> >>
> >>
> >>
> >>
> > Please read the defect report. There may be a way for you to participate
> > in the resolution of this issues.
> > _______________________________________________
> > community-support mailing list
> > community-support at lists.laptop.org
> > http://lists.laptop.org/listinfo/community-support
> >
> >
>
> --
> **************************** Michael E. Carver ************************
>      Upside out, or inside down...False alarm the only game in town.
>        Michael's Movie Mayhem - - Searchable Region 1 DVD database
>                        http://dvdlist.kazart.com/
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-<[ /./.  [-  < ]>-=-=-=-=-=-=-=-=-=-=-=-=-=
>
>
>
> ------------------------------
>
> Message: 8
> Date: Tue, 22 Jan 2008 00:45:24 +0000
> From: "Anonymous" <community-support at lists.laptop.org>
> Subject: Re: [olpc-help] Sticky keyboard keys; Please RMA the laptops
> To: community-support at lists.laptop.org
> Message-ID: <1200962723.m2f.12919 at olpc.osuosl.org>
>
>
> I had the sticky keys issue show up at 36 days.  I was not able to get an
> RMA number.
>
> I ran the self test on the keyboard by pressing the left key on the keypad
> during startup.  When I type on the keyboard on keys near the Alt key, the
> Alt key keeps turning on and off and sometimes it stays on even when no keys
> are being pressed.
>
> Is there any recourse for those of us with this sticky keys issue past 30
> days?
>
>
>
>
>
>
>
> ------------------------------
>
> Message: 9
> Date: Mon, 21 Jan 2008 20:00:20 -0500
> From: "Steve Holton" <sph0lt0n at gmail.com>
> Subject: Re: [olpc-help] Sticky keyboard keys; Please RMA the laptops
> To: community-support at lists.laptop.org
> Message-ID:
>        <95fa435c0801211700r51632b8ey20c636b306024d73 at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> On Jan 21, 2008 7:45 PM, Anonymous <community-support at lists.laptop.org>
> wrote:
> >
> > I had the sticky keys issue show up at 36 days.  I was not able to get
> an RMA number.
> >
> > I ran the self test on the keyboard by pressing the left key on the
> keypad during startup.  When I type on the keyboard on keys near the Alt
> key, the Alt key keeps turning on and off and sometimes it stays on even
> when no keys are being pressed.
> >
> > Is there any recourse for those of us with this sticky keys issue past
> 30 days?
>
> Best of my knowledge-
>
> - the first units showing the problem and returned for RMA are just
> now being made available to the developers for diagnosis.
> - There is still considerable doubt whether this is a hardware-only
> problem, a software-only problem or a combination. In other words, no
> one has yet decided that it cannot be fixed in hardware. So there is
> still hope.
> - There are ongoing discussions about how to create a spare parts and
> repair program, with significant effort toward building a
> volunteer-only, cost of parts + donation only spares and repair
> system. To premature to announce anything yet.
>
> Hope this helps.
>
>
>
> --
> Steve Holton
> sph0lt0n at gmail.com
>
>
> ------------------------------
>
> Message: 10
> Date: Tue, 22 Jan 2008 02:57:58 +0000
> From: "Dwaine" <community-support at lists.laptop.org>
> Subject: Re: [olpc-help] LinkSys WRT54GX2 - What the status and what
>        to do
> To: community-support at lists.laptop.org
> Message-ID: <1200970678.m2f.12954 at olpc.osuosl.org>
>
>
> Boy does the router not like the xo laptop...  It completely shuts down
> the wireless link.  The LED for wireless activity shuts off.
>
> Which ticket is the router problem?  I noticed a couple of tickets, we
> should have a master ticket?
>
> Dwaine
>
>
>
>
>
>
>
> ------------------------------
>
> Message: 11
> Date: Tue, 22 Jan 2008 03:05:00 +0000
> From: "Dwaine" <community-support at lists.laptop.org>
> Subject: Re: [olpc-help] Steps to install Joyride?
> To: community-support at lists.laptop.org
> Message-ID: <1200971100.m2f.12959 at olpc.osuosl.org>
>
>
> Did a olpc-update joyride-1569 and it picked up the latest version from
> today.
>
> I do notice some script errors when updating from joyride.
>
> Update Failed:  Command '['/usr/sbin/olpc-contents-verify',
> '/versions/updates/f153c blah blah....
> returned non-zero exit status 1.
>
> Then it tries a dirty-rsync and the update completes.  Is this normal?
>  When I do a shutdown -r now, it boots with the new updated image.
>
> Dwaine
>
>
>
>
>
>
>
> ------------------------------
>
> _______________________________________________
> community-support mailing list
> community-support at lists.laptop.org
> http://lists.laptop.org/listinfo/community-support
>
>
> End of community-support Digest, Vol 2, Issue 68
> ************************************************
>
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