Bug#820571: nvidia-driver: shutdown hangs after installing nvidia-drivers

[Ignacio Vargas Cordero]

Hi again,

As it turns out, disabling the integrated card in the BIOS did the trick -
you were right.
I have restored the GRUB config file to how it was by default, and now
everything is as speedy as I had hoped

I suppose this solution is simpler than adding the lines in the file
anyway. Maybe I should've tried it first.
Hope I didn't waste too much of your time

Thank you again, you were a huge help!
PS: Sorry, forgot to CC my last reply. Will remember to do so in the future

On Sun, Apr 10, 2016 at 11:58 AM, Luca Boccassi <luca.boccassi at gmail.com>
wrote:

> On Sun, 2016-04-10 at 17:41 +0100, Luca Boccassi wrote:
> > Control: forwarded -1
> https://devtalk.nvidia.com/default/topic/852598/34x-35x-freeze-at-reboot-shutdown-rcu_sched-self-detected-stall-detected/
> > Control: tags -1 upstream
> >
> > On Sun, 2016-04-10 at 11:15 -0500, Ignacio Vargas Cordero wrote:
> > > Hello Luca,
> > >
> > >
> > > I tried editing the GRUB config as you suggested - and it worked!
> > > Shutdown times are back to normal
> > >
> > > I still have a slight problem though: now when booting, I get this
> > > message after selecting Debian on GRUB:
> > > error: file '/boot/grub/x86_64-efi/vbe.mod' not found.
> > > Loading Linux 4.4.0-1-amd64 . . .
> > > Loading initial ramdisk . . .
> > >
> > > Press any key to continue . . .
> > >
> > > error: no suitable video mode found.
> > > Booting in blind mode
> > > _
> > > As you can see, just pressing a key gets rid of the message and boots
> > > me to the desktop normally - but I'd like to be able to get rid of it.
> > >
> > >
> > > How may I go about adding vbe.mod to my GRUB modules? I didn't find
> > > the file anywhere on my system
> > >
> > >
> > > Thank you so much for your help, regards
> >
> > Hi,
> >
> > [please keep the bug CC'ed when replying]
> >
> > Sorry but I do not use EFI on my desktop so I can't reproduce that
> > issue, I use legacy GRUB, and that file can be found
> > at: /boot/grub/i386-pc/vbe.mod
> >
> > I understand that having the boot halted until a key is pressed is very
> > annoying. Have you tried taking out that new config from GRUB, and
> > instead disabling the integrated Intel card in the BIOS (if you don't
> > need it and if the BIOS allows it of course)?
>
> So vbe.mod is only available in the legacy GRUB [1]. But the alternative
> all_video is available in the EFI too [2]. I just tried and it works, so
> you could give that a shot. Take out the "vbe" line you added, and
> instead use:
>
> GRUB_VIDEO_BACKEND="all_video"
>
> and then run "sudo update-grub".
>
> Anyway, I strongly suspect that the important part is disabling modeset
> in the kernel command line (or turning off the integrated card). The
> rest is to get working TTYs.
>
> Kind regards,
> Luca Boccassi
>
> [1]
> https://packages.debian.org/search?suite=sid&section=all&arch=any&searchon=contents&keywords=vbe.mod
> [2]
> https://packages.debian.org/search?suite=sid&section=all&arch=any&searchon=contents&keywords=all_video.mod
>



-- 
Ignacio Vargas
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