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[OT] funny Android phone bug

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Pd

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Nov 18, 2009, 4:26:12 AM11/18/09
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There are mutterings about Motorola doing an unannounced, covert update
on their Droid camera because so many people are reporting that the
autofocus, which has been a bit rubbish, is now suddenly working.

The actual situation is (I think) quite funny.

Android Engineer, Dan Morrill said:
There's a rounding-error bug in the camera driver's autofocus routine
(which uses a timestamp) that causes autofocus to behave poorly on a
24.5-day cycle. That is, it'll work for 24.5 days, then have poor
performance for 24.5 days, then work again.
The 17th is the start of a new "works correctly" cycle, so the devices
will be fine for a while. A permanent fix is in the works.

--
Pd

Jaimie Vandenbergh

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Nov 20, 2009, 1:34:28 PM11/20/09
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On Wed, 18 Nov 2009 09:26:12 +0000, peter...@gmail.invalid (Pd)
wrote:

That is quite brilliant. Or, for DailyWTF readers, brillant.

Cheers - Jaimie
--
"We have to go forth and crush every world view that doesn't
believe in tolerance and free speech." - David Brin

zoara

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Nov 23, 2009, 2:42:02 AM11/23/09
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Jaimie Vandenbergh <jai...@sometimes.sessile.org> wrote:
> On Wed, 18 Nov 2009 09:26:12 +0000, peter...@gmail.invalid (Pd)
> wrote:
>
> >There are mutterings about Motorola doing an unannounced, covert
> > update
> >on their Droid camera because so many people are reporting that the
> >autofocus, which has been a bit rubbish, is now suddenly working.
> >
> >The actual situation is (I think) quite funny.
> >
> >Android Engineer, Dan Morrill said:
> >There's a rounding-error bug in the camera driver's autofocus routine
> >(which uses a timestamp) that causes autofocus to behave poorly on a
> >24.5-day cycle. That is, it'll work for 24.5 days, then have poor
> >performance for 24.5 days, then work again.
> >The 17th is the start of a new "works correctly" cycle, so the
> > devices
> >will be fine for a while. A permanent fix is in the works.
>
> That is quite brilliant. Or, for DailyWTF readers, brillant.

Purple monkey dishwasher

-zoara-


--
email: nettid1 at fastmail dot fm

Pd

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Nov 23, 2009, 4:17:01 AM11/23/09
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zoara <me...@privacy.net> wrote:

Are you suggesting that I am the passer-on of an unsubstantiated
interweb rumeme?

--
Pd

Dorian Gray

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Nov 23, 2009, 6:37:33 AM11/23/09
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In article <1j9mn2a.1m4ae2ovm7lsN%peter...@gmail.invalid>,
peter...@gmail.invalid (Pd) wrote:

> zoara <me...@privacy.net> wrote:
>
> > Purple monkey dishwasher
>
> Are you suggesting that I am the passer-on of an unsubstantiated
> interweb rumeme?

Zoara: There are multiple fairly reliable sources, including engadget
who quote Dan Morrill's comment (they're assuming he's who he says he
is):

<http://www.engadget.com/2009/11/17/motorola-droid-camera-autofocus-fixed
-in-secrecy>

<http://www.engadget.com/profile/3477671/>

Pd

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Nov 23, 2009, 7:17:25 AM11/23/09
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Jaimie Vandenbergh <jai...@sometimes.sessile.org> wrote:

> Or, for DailyWTF readers, brillant.

Thankfully, most of my early code is written in extremely obscure (and
mostly now defunct) environments, and will never be read by another
human being, let alone one skilled enough to realise what a complete
arse I made of some of it.

--
Pd

Pd

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Nov 23, 2009, 7:54:11 AM11/23/09
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Dorian Gray <D.G...@picture.invalid> wrote:

And 2^31 is about 24.85 days, so there's a plausible signed 32-bit
integer explanation for it all.

--
Pd

J.J. O'Shea

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Nov 23, 2009, 9:36:16 AM11/23/09
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On Mon, 23 Nov 2009 07:54:11 -0500, Pd wrote
(in article <1j9mx4n.1yy1mhm42krhlN%peter...@gmail.invalid>):

Which reminds me of the way that Win 98 used to crash if it was left running
for 49.7 days, assuming, that is, that you could somehow get a Win98 box to
stay alive for 49 days in the first place... Hmmm. A check in Deepest
MickeysoftLand indicates Actual Official Mickeysoft Documentation of the
problem at <http://support.microsoft.com/default.aspx/kb/216641> and that it
affected Win95 as well. How on God's green Earth did someone achieve the
miracle of getting WIn95 to stay alive for 49 days?

--
email to oshea dot j dot j at gmail dot com.

Dorian Gray

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Nov 23, 2009, 1:44:57 PM11/23/09
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In article <hee6l...@news5.newsguy.com>,

J.J. O'Shea <try.n...@but.see.sig> wrote:

> A check in Deepest
> MickeysoftLand indicates Actual Official Mickeysoft Documentation of the
> problem at <http://support.microsoft.com/default.aspx/kb/216641> and that it
> affected Win95 as well. How on God's green Earth did someone achieve the
> miracle of getting WIn95 to stay alive for 49 days?

By leaving it on but not doing anything. But 49 days is extreme for no
shutdown.

zoara

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Nov 23, 2009, 6:24:42 PM11/23/09
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This thread has taken an unexpected turn - I wasn't casting doubt on
this report (I'd seen the same thing reported elsewhere), I was just
referencing my favourite error'd post from thedailywtf.com

<http://thedailywtf.com/Articles/REGISTER_NOT_FOUND.aspx>

I didn't even realise purple monkey dishwasher was a meme until this
thread...

zoara

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Nov 24, 2009, 4:13:26 AM11/24/09
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I'm currently making some requested changes to a codebase which is very
dailyWTF-worthy. I just need to find a sample which is relatively small
and representative, and write a pithy observation. Then I'm set.

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