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SubjectRe: [Regression] hald segfaults at startup on Toshiba Portege R500 x86_64 (bisected)
On Thu, 8 Jan 2009 08:27:02 +0100
"Rafael J. Wysocki" <rjw@sisk.pl> wrote:

> Hi,
>
> Unfortunately the following commit:
>
> commit 35ff8554d12ecc80a46ea0d9bce34fe28733ff38
> Author: Éric Piel <eric.piel@tremplin-utc.net>
> Date: Sat Nov 22 19:29:29 2008 +0100
>
> sdhci: activate led support also when module
>
> CONFIG_LEDS_CLASS is defined only if led-class is built-in, otherwise
> when it is a module the option is called CONFIG_LEDS_CLASS_MODULE. Led
> support should also be activated in this case.
>
> Signed-off-by: Eric Piel <eric.piel@tremplin-utc.net>
> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
>
> causes hald to segfault at startup (not always, but sufficiently often for
> bisection) on my Toshiba Portege R500 w/ x86_64 kernel/userland.
>

I have trouble seeing a user space application crashing as a kernel
bug. Do you have a backtrace or strace of hald to see exactly where it
crashes?

> While it doesn't revert cleanly, I have applied the appended patch (which is
> a revert of the commit above) and hald doesn't segfault any more here.
>

Is CONFIG_LEDS_CLASS defined in your config, or are you essentially
turning of the LED functionality?

Rgds
--
-- Pierre Ossman

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