From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Frans Pop <elendil@planet.nl>
Cc: rjw@sisk.pl, jbarnes@virtuousgeek.org,
torvalds@linux-foundation.org,
linux-pm@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org
Subject: Re: [PATCH 3/7] PCI PM: Fix saving of device state in pci_legacy_suspend
Date: Thu, 05 Feb 2009 08:38:22 +1100 [thread overview]
Message-ID: <1233783502.4612.7.camel@pasglop> (raw)
In-Reply-To: <200902041115.00842.elendil@planet.nl>
On Wed, 2009-02-04 at 11:14 +0100, Frans Pop wrote:
> Benjamin Herrenschmidt wrote:
> > Minor nit: Should the warning be preceeded by a message ? The reason is,
> > right now, all we get is a backtrace, it doesn't actually tell you which
> > device or driver caused it which makes it pretty pointless.
> >
> > I think you should add a printk(KERN_ERR... just before that which gives
> > those informations along with a little blurb along the lines of "driver
> > changed device state without saving config space state").
>
> That is actually already included in the patch (through drv->suspend):
How so ? I've had such backtraces with no other info in my log...
Ben.
next prev parent reply other threads:[~2009-02-04 21:40 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-04 0:54 [PATCH 0/7] PCI PM: Fixes and refinements Rafael J. Wysocki
2009-02-04 0:56 ` [PATCH 1/7] PCI PM: Fix handling of devices without drivers Rafael J. Wysocki
2009-02-04 1:53 ` Benjamin Herrenschmidt
2009-02-04 2:23 ` Linus Torvalds
2009-02-04 2:49 ` Benjamin Herrenschmidt
2009-02-04 12:12 ` Rafael J. Wysocki
2009-02-04 12:10 ` Rafael J. Wysocki
2009-02-04 0:57 ` [PATCH 2/7] PCI PM: Check if the state has been saved before trying to restore it Rafael J. Wysocki
2009-02-04 1:54 ` Benjamin Herrenschmidt
2009-02-04 0:59 ` [PATCH 3/7] PCI PM: Fix saving of device state in pci_legacy_suspend Rafael J. Wysocki
2009-02-04 1:56 ` Benjamin Herrenschmidt
2009-02-04 10:14 ` Frans Pop
2009-02-04 21:38 ` Benjamin Herrenschmidt [this message]
2009-02-04 21:53 ` Frans Pop
2009-02-04 21:56 ` Linus Torvalds
2009-02-05 0:40 ` Benjamin Herrenschmidt
2009-02-05 0:57 ` Michael Ellerman
2009-02-05 1:29 ` Benjamin Herrenschmidt
2009-02-05 2:58 ` Michael Ellerman
2009-02-05 4:06 ` Benjamin Herrenschmidt
2009-02-04 1:00 ` [PATCH 4/7] PCI PCIe portdrv: Simplify suspend and resume Rafael J. Wysocki
2009-02-04 1:01 ` [PATCH 5/7] PCI PM: Do not disable and enable bridges during suspend-resume Rafael J. Wysocki
2009-02-04 1:02 ` [PATCH 6/7] PCI PM: Read power state from device after trying to change it on resume Rafael J. Wysocki
2009-02-04 1:09 ` [PATCH 7/7] PCI PM: Let the core be more careful with respect to drivers using new framework Rafael J. Wysocki
2009-02-04 2:05 ` Benjamin Herrenschmidt
2009-02-05 0:47 ` Rafael J. Wysocki
2009-02-05 1:18 ` Benjamin Herrenschmidt
2009-02-05 1:23 ` [PATCH 0/7] PCI PM: Fixes and refinements Jesse Barnes
2009-02-05 1:48 ` Rafael J. Wysocki
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