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From: Zan Lynx <zlynx@acm.org>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Samsung Series 9 seems to require acpi=nonvs to resume properly
Date: Fri, 30 Sep 2011 14:34:46 -0600	[thread overview]
Message-ID: <1317414897.2629.5.camel@knife> (raw)
In-Reply-To: <201109302222.22528.rjw@sisk.pl>

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On Fri, 2011-09-30 at 22:22 +0200, Rafael J. Wysocki wrote:
> On Friday, September 30, 2011, Zan Lynx wrote:
> > On Thu, 2011-09-29 at 14:51 -0600, Zan Lynx wrote:
> > > After being annoyed that the latest Fedora 2.6.40 (aka 3.0 something)
> > > kernels would not suspend/resume on my laptop I followed a Ubuntu forum
> > > suggestion to use acpi=nonvs. This worked, or at least it is working
> > > today with Fedora 15's 2.6.40.4-5.fc15.x86_64.
> > > 
> > > The system is also booting via UEFI if that makes any difference.
> > > 
> > > I understand that there is a no-NVS blacklist in the kernel. Should the
> > > Samsung Series 9 be added to this list? Or could it be a different
> > > suspend/resume problem entirely?
> > 
> > Please ignore this about nonvs. nonvs has nothing to do with the
> > suspend/resume problem on this laptop.
> > 
> > Instead it seems to involve reboots, which is crazy. From a cold
> > power-on start, suspend resume will always fail. But if the laptop is
> > rebooted first, suspend and resume appear to work. What the heck? I have
> > no clue how to debug this.
> > 
> > So now it appears that everything I ever tried to fix this only seemed
> > to work because I rebooted after changing GRUB or module options.
> 
> What graphics is there in the system?

It is the Intel i915 driver. It is an Intel i5-2537M system with the
integrated video on the CPU.

lspci shows it as:
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
Processor Family Integrated Graphics Controller (rev 09) (prog-if 00
[VGA controller])

-- 
Knowledge Is Power
Power Corrupts
Study Hard
Be Evil

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  reply	other threads:[~2011-09-30 20:33 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-29 20:51 Samsung Series 9 seems to require acpi=nonvs to resume properly Zan Lynx
2011-09-30 20:09 ` Zan Lynx
2011-09-30 20:22   ` Rafael J. Wysocki
2011-09-30 20:34     ` Zan Lynx [this message]
2011-09-30 20:50       ` Rafael J. Wysocki
2011-09-30 21:01       ` Keith Packard
2011-10-03  7:05   ` Srivatsa S. Bhat
2011-10-05 21:19     ` Samsung Series 9 won't resume Zan Lynx

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