From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Dave Airlie <airlied@gmail.com>
Cc: Dave Airlie <airlied@linux.ie>, linux-kernel@vger.kernel.org
Subject: S3 resume and PNP (was: Re: S3 resume and serial console..)
Date: Sun, 31 Jul 2005 08:08:59 +0100 [thread overview]
Message-ID: <20050731080859.A5580@flint.arm.linux.org.uk> (raw)
In-Reply-To: <21d7e99705073017295ed29c64@mail.gmail.com>; from airlied@gmail.com on Sun, Jul 31, 2005 at 10:29:58AM +1000
On Sun, Jul 31, 2005 at 10:29:58AM +1000, Dave Airlie wrote:
> latest Linus git tree, and it just does the usual entering suspend and
> then when I resume I get crap out of the serial port, nothing at all
> intelliigble...
>
> Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing disabled
> ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
> ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
>
> And as I said its an i865 based motherboard from Intel... nothing
> special on it, do you need to know the super-io chip, i.e. I 'll have
> to open the case to find out...
The above two messages tells me you're probably using plug'n'play.
Unfortunately, for some unknown reason, the Linux plug'n'play
subsystem does not support suspend/resume. This is not a serial
problem.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
next prev parent reply other threads:[~2005-07-31 7:09 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-30 2:03 S3 resume and serial console Dave Airlie
2005-07-30 7:55 ` Russell King
2005-07-31 0:29 ` Dave Airlie
2005-07-31 7:08 ` Russell King [this message]
2005-07-31 7:44 ` S3 resume and PNP (was: Re: S3 resume and serial console..) Dave Airlie
2005-07-31 8:02 ` Dave Airlie
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