Re: Zire 22 screen turns like plaid - memory bug?

2007-12-16 Thread Ryan Rix
Hi,
The z22 always was an oddball device, imo :)

~Ryan

On Dec 16, 2007 8:50 PM, Luc Le Blanc <[EMAIL PROTECTED]> wrote:

> Testing my app on a Zire 22, sometimes, when I launch a long process that
> involves allocating large arrays, the screen suddenly turns like plaid. I
> recall such a bug with OS 3.5 on a IIIxe, but wasn't this solved a long
> time ago?
>
>
> Luc Le Blanc
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Re: Zire 22 screen turns like plaid - memory bug?

2007-12-17 Thread Ben Combee
On Dec 16, 2007 9:50 PM, Luc Le Blanc <[EMAIL PROTECTED]> wrote:
> Testing my app on a Zire 22, sometimes, when I launch a long process that 
> involves allocating large arrays, the screen suddenly turns like plaid. I 
> recall such a bug with OS 3.5 on a IIIxe, but wasn't this solved a long time 
> ago?

The IIIxe suffered from a bug on the Dragonball processor with screen
memory that crossed the 4MB boundary, IIRC.  Since the z22 uses a
Samsung ARM processor with a totally different display mechanism, I'm
sure your hitting a different problem.

I could see this either being a write beyond the the of an array into
video memory (your bug) or a problem where the refresh logic in the OS
doesn't get to execute often enough (device problem).  Device problems
won't get fixed.

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Re: Zire 22 screen turns like plaid - memory bug?

2007-12-17 Thread Dmitry Grinberg
Hello,


>  or a problem where the refresh logic in the OS
> doesn't get to execute often enough (device problem).  Device problems
> won't get fixed.


Cheerful...

Luckily untrue...

Luc Le Blanc, could you send me a description of how to duplicate
this? If it's a device problem it can be fixed :)



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Re: Zire 22 screen turns like plaid - memory bug?

2007-12-17 Thread Luc Le Blanc
Dmitry Grinberg wrote:

> Ben Combee wrote:

>>  or a problem where the refresh logic in the OS
>> doesn't get to execute often enough (device problem).
>> Device >problems won't get fixed.


> Cheerful...

> Luckily untrue...

> Luc Le Blanc, could you send me a description of how to
> duplicate this? If it's a device problem it can be fixed :)

I'll try, but so far I don't have a set "recipe" and since I'm running on a 
real device, and not under POSE or Simulator, I don't know what the current 
line is. It may take some time.


Luc Le Blanc
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Re: Zire 22 screen turns like plaid - memory bug?

2007-12-17 Thread Aaron Ardiri
> I could see this either being a write beyond the the of an array into
> video memory (your bug) or a problem where the refresh logic in the OS
> doesn't get to execute often enough (device problem).  Device problems
> won't get fixed.

i think what ben means is that there are no resources at palm to
address issues like this - which are most likely within the ROM
on the device in question..

> Luc Le Blanc, could you send me a description of how to
> duplicate this? If it's a device problem it can be fixed :)

dmitry :)

everything can be fixed if your prepared to hack into the rom :)

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Re: Zire 22 screen turns like plaid - memory bug?

2007-12-17 Thread Dmitry Grinberg
hello,


> > Luc Le Blanc, could you send me a description of how to
> > duplicate this? If it's a device problem it can be fixed :)
>
> dmitry :)
>
> everything can be fixed if your prepared to hack into the rom :)


been there, done that, got the t-shirt


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Re: Zire 22 screen turns like plaid - memory bug?

2007-12-17 Thread Ben Combee
> i think what ben means is that there are no resources at palm to
> address issues like this - which are most likely within the ROM
> on the device in question..

Particularly on the z22, a device which had almost no hardware
similarity with any of the current Treo/Centro devices.

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