linux-kernel - Re: Help needed, Re: [Bug #14334] pcmcia suspend regression from 2.6.31.1 to 2.6.31.2

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Message-ID: <20091112121455.GA1394@ucw.cz>
Date:	Thu, 12 Nov 2009 13:14:55 +0100
From:	Pavel Machek <pavel@....cz>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Jose Marino <braket@...mail.com>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Linux PCI <linux-pci@...r.kernel.org>,
	Dominik Brodowski <linux@...inikbrodowski.net>
Subject: Re: Help needed, Re: [Bug #14334] pcmcia suspend regression from
	2.6.31.1 to 2.6.31.2 - Dell Inspiron 600m

Hi!

> (Bug was simple but took a while to track down: machine was left in
> storage for a while, battery ran out, RTC went back to Jan 1, 1904,
> which means a negative xtime, and the new timekeeping code will do
> horrible things including hanging at resume when that happens. Fix is to
> make powerpc read_persistent_clock() to ignore the RTC when it contains
> a date older than epoch).

Additionaly, it would be nice if the machine would not hang, no matter
what RTC says...
									Pavel

-- 
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