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List:       freedesktop-xorg
Subject:    Re: What does this backtrace mean?
From:       Alex_Villací­s_Lasso <a_villacis () palosanto ! com>
Date:       2016-12-01 19:29:43
Message-ID: ef5e5651-8ca2-ef75-b3fe-10c38fd51349 () palosanto ! com
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El 01/12/16 a las 13:42, Adam Jackson escribió:
> On Wed, 2016-11-30 at 13:01 -0500, Alex Villací ­s Lasso wrote:
> > El 28/11/16 a las 19:59, Alex Villacís Lasso escribió:
> > > I have this computer (Acer Aspire One ZG5 using Fedora 25 32-bits)
> > > where the backtrace shown below appears every single time the
> > > machine boots. What does it mean? Should I be worried about it?
> > > Last seen on kernel version 4.8.8.
> > > 
> > Is this the right list to ask this question?
> Maybe.  intel-gfx@lists.freedesktop.org might be more appropriate since
> this is a kernel driver bug.
> 
> > > [    4.884815] WARN_ON(!connector->state->crtc)
> What this is saying is the driver had some expectations about the state
> the hardware would be in when efifb handed the device off, and those
> expectations were violated. If there's no functional problem you can
> safely ignore it, but it's a kernel driver bug either way.
> 
> - ajax

Thanks for your answer. I will collect more information and create a proper bug \
report. BTW, the laptop is legacy BIOS only - no EFI support present.

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