[Letux-kernel] weird problem with pwm_bl on omap3

[Tony Lindgren]

* H. Nikolaus Schaller <hns at goldelico.com> [180517 12:17]:
> Hi Tony,
> we are using for long time the dmtimer/pwm on
> the GTA04 to drive the display panel backlight.
> 
> Starting a while ago (I am not sure when, but it may
> be 4.17-rc1), the device randomly fails to boot
> with a NULL pointer dereference in strcmp().
> Booting again usually runs fine.

Hmm maybe enable CONFIG_DEBUG_SLAB=y and POISON options
and see if that catches something. It's might be some
array out of bounds type issue.

Regards,

Tony