Dell Inspiron e1405 hangs on lid close in 64-bit mode

Dell Inspiron e1405 hangs on lid close in 64-bit mode

[Thomas Tuttle]

I have a Dell Inspiron e1405 laptop with a Core 2 Duo processor.
Under every 64-bit kernel I have tried yet, it hangs when I close the
lid (or, I would assume, do anything else that activates System
Management Mode).  It works fine under 32-bit mode; closing the lid
turns the LCD off using DPMS.

I understand that this might be entirely outside the control of the
kernel developers, but I would of course love to be able to use this
laptop in 64-bit mode.  What information would be needed to fix it,
and/or how would I go about debugging it?  I've tried turning the
console loglevel up to 9, but no information is printed right before
the crash (probably since an exception occurs in SMM, and isn't
caught?).  I think booting with noacpi (I'm not sure, I'll check) made
it work, but disabled all the power management features, making the
rest of the laptop much less useful.

Thanks in advance,

Thomas Tuttle

Re: Dell Inspiron e1405 hangs on lid close in 64-bit mode

[Pavel Machek]

Hi!

> I have a Dell Inspiron e1405 laptop with a Core 2 Duo 
> processor.
> Under every 64-bit kernel I have tried yet, it hangs 
> when I close the
> lid (or, I would assume, do anything else that activates 
> System
> Management Mode).  It works fine under 32-bit mode; 
> closing the lid
> turns the LCD off using DPMS.
> 
> I understand that this might be entirely outside the 
> control of the
> kernel developers, but I would of course love to be able 
> to use this
> laptop in 64-bit mode.  What information would be needed 
> to fix it,
> and/or how would I go about debugging it?  I've tried 
> turning the

Modify 64bit kernel entry point to do something trivial (flashing
character on vga text mode?) then see if lid close breaks it. If so,
blame smm, and force vendor to fix it.

-- 
Thanks for all the (sleeping) penguins.

Re: Dell Inspiron e1405 hangs on lid close in 64-bit mode

[alan]

On Fri, 13 Oct 2006, Pavel Machek wrote:

> Hi!
>
>> I have a Dell Inspiron e1405 laptop with a Core 2 Duo
>> processor.
>> Under every 64-bit kernel I have tried yet, it hangs
>> when I close the
>> lid (or, I would assume, do anything else that activates
>> System
>> Management Mode).  It works fine under 32-bit mode;
>> closing the lid
>> turns the LCD off using DPMS.
>>
>> I understand that this might be entirely outside the
>> control of the
>> kernel developers, but I would of course love to be able
>> to use this
>> laptop in 64-bit mode.  What information would be needed
>> to fix it,
>> and/or how would I go about debugging it?  I've tried
>> turning the
>
> Modify 64bit kernel entry point to do something trivial (flashing
> character on vga text mode?) then see if lid close breaks it. If so,
> blame smm, and force vendor to fix it.

I have the same problem, kinda sorta.  Closing the lid causes it to go to 
sleep in the context that a vetrinarian uses.  ("It was put to sleep.")

Wakeup just spins the drive. And spins. And spins. And spins.

The machine is also a 64bit.  HP zv5200z AMD64 3700+.

According to a friend, 32bit suspend works in 32 bit but not 64bit.

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