Re: Linux 3.11-rc2

[Rafael J. Wysocki]

On Tuesday, July 23, 2013 06:47:55 PM Steven Newbury wrote:
> On Mon, 2013-07-22 at 21:56 +0200, Rafael J. Wysocki wrote:
> > On Monday, July 22, 2013 06:16:20 PM Matthew Garrett wrote:
> > > On Mon, 2013-07-22 at 15:02 +0200, Rafael J. Wysocki wrote:
> > > 
> > > > In the meantime I received a report from Steven Newbury that these changes
> > > > broke things for him too, so we need to revert commits 8c5bd7a and efaa14c.
> > > > The other two commits in the series should be benign.
> > > 
> > > Could you let me know the details of this problem?
> > 
> > Steven, can you please describe the problem you're seeing to Matthew and
> > the other people on the list?
> > 
> > Rafael
> > 
> 
> Before the changes backlight was working fine using the ACPI method: 
> /sys/class/backlight/acpi_video0/ is present and the keyboard function keys
> control brightness with notifications working in GNOME.
> 
> In the code as was present in the linux-pm/bleeding-edge tree I would
> encounter a hard lockup on keyboard brightness trigger.  This also occurred with
> the code as it initially hit mainline, but a later commit fixed the crash*, but
> resulted in no backlight controls being available at all.
> /sys/class/backlight  is empty.
> 
> *not actually sure if /sys/class/backlight contained anything before this

Hmm.  Which commit fixed the crash for you?

Rafael

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