linux-kernel - Re: [Suspend-devel] asus p5ld2 se, serial port gone after suspend and i8042 problems (solved, pnpacpi=off needed)

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Message-ID: <414cba4e0701120311t39d90e10y472f251f8e357643@mail.gmail.com>
Date:	Fri, 12 Jan 2007 12:11:49 +0100
From:	emisca <emisca.ml@...il.com>
To:	"Stefan Seyfried" <seife@...e.de>
Cc:	"Pavel Machek" <pavel@....cz>, suspend2-users@...ts.suspend2.net,
	suspend-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: [Suspend-devel] asus p5ld2 se, serial port gone after suspend and i8042 problems (solved, pnpacpi=off needed)

But using pnpacpi=no, I disable the acpi code.. the "normal" pnp code,
what does on suspend? Does it simply do nothing? In the dmesg I don't
see anything related to pnp device reinit.
I tried suspend to ram on this motherboard. A strange thing happens..
the system goes to suspend and then suddenly resumes. Why?
How I can check if it's enabled a wake up device? There are no related
settings on the bios, only wake on lan (disabled). I think I must
debug interrupts...

2007/1/11, Stefan Seyfried <seife@...e.de>:
> On Thu, Jan 11, 2007 at 02:14:42PM +0100, emisca wrote:
> > Yes, I have to look at pnpacpi code... but does the dsdt matters for this
> > problem?
> > Surely, it is a bios bug (as usually.....). I will look at pnpacpi code.
>
> Not necessarily. IIRC, somebody (Rusty?) said that serial consoles have had
> problems with suspend for a long time and just sometimes work "by accident".
> ISTR that they do not really save and restore the line settings etc.
>
> So it does not need to be the BIOS, it can also be a plain broken driver.
>
> --
> Stefan Seyfried
> QA / R&D Team Mobile Devices        |              "Any ideas, John?"
> SUSE LINUX Products GmbH, Nürnberg  | "Well, surrounding them's out."
>
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