[Dev] [SDK/Emulator] Emulator kernel upgrade is postponed and other issues...

SeokYeon Hwang syeon.hwang at samsung.com
Fri Apr 18 06:41:12 GMT 2014


Yes, It can reproduce even with g_poll patch.
We can reproduce it on most of Windows PCs. It may be timing issues depend
on PC's performance, ...

How long kernel load time (after kernel loading -> before "init" starts) at
your Windows PC with HAX enabled and HAX disabled ??

-----Original Message-----
From: Stanislav Vorobiov [mailto:s.vorobiov at samsung.com] 
Sent: Friday, April 18, 2014 2:59 PM
To: SeokYeon Hwang; dev at lists.tizen.org; 'Ji, John'; ritu.sood at intel.com
Subject: Re: [Dev] [SDK/Emulator] Emulator kernel upgrade is postponed and
other issues...

Hi, SeokYeon

This happens even with https://review.tizen.org/gerrit/#/c/19414/ right ?

Before that patch kernel 3.12 didn't boot at all, but now it boots every
time (fast) and I can't reproduce this hang...

Also, regarding boot delays with HAX, I do experience them on mac os x, I'm
not sure if it's related though...

On 04/18/2014 08:11 AM, SeokYeon Hwang wrote:
> I'll postpone to apply 3.12 linux kernel to tizen because of a big
problem.
> 
> The problem is that the hang happens for a certain period of time (several
minutes) when booting in many Windows PC.
> 
> Until resolving the problem, I'll postpone it.
> 
>  
> 
> We need a help to resolve it, especially from HAX developers. 
> 
> Because it happens when running with turned on VT acceleration with HAX.
> 
> The other fact is that guest kernel time is stopped.
> 
> Please treat this with a higher priority.
> 
> The HAX may not be the cause of the problem. However, it will be very
helpful if HAX developers help me.
> 
>  
> 
> Also, I have a question about HAX.
> 
> Why does the running with disabled HAX be the faster than the running with
enabled HAX for the time (loading kernel -> starting init) in Windows?
> 
> It can affect the overall performance in Windows, so please check this
performance issue.
> 
>  
> 
> Thanks.
> 
> 
> 
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