Re: [gentoo-user] console scrollback (kernel 5.14)

[Alan Mackenzie]

Hello, Jorge.

On Fri, Sep 24, 2021 at 23:44:51 +0000, Jorge Almeida wrote:
> On Fri, Sep 24, 2021 at 5:29 PM Alan Mackenzie <acm@×××.de> wrote:

> Hello, Alan

> > > $ patch -p0 <../patch_for_5.14.diff
> > > patching file ./drivers/tty/vt/vt.c
> > > Hunk #1 FAILED at 3208.
> > > 1 out of 1 hunk FAILED -- saving rejects to file ./drivers/tty/vt/vt.c.rej


> > attached.  Please start again from a gentoo-sources without any previous
> > traces of the scrollback patches, and apply that patch.  _Surely_ it
> > should work this time.

> Sure enough, the patch was succesful. Unfortunately, I cannot test it,
> because my computer is out of luck (big thunderstorm, crappy power
> provider, not-so-smart owner).

I'm sorry to hear it.  I'm sure you've done it already, but get a decent
backup from that machine somehow while it is still even partly working.

> I can ssh into it and it all seems fine, but VT's other than tty1 go
> dim after 1 or 2 seconds (showing the greeting) and then go black; I
> can login blindly!  I'm sure it has nothing to do with the patch,
> since I also booted the former kernel (for which the previous patch
> has been applied with success as expected) and it happens the same.
> Damaged UPS or MO, maybe...  Anyway, I'll try again when I manage to
> fix or replace the computer and I'll report then.

OK, thanks!

> Thanks,

> Jorge Almeida

> P.S. I just noticed you mention gentoo-sources. I use the vanilla
> kernel from kernel.org. Could that be a problem?

Highly unlikely.  I doubt very much there's any difference in the tty
code between vanilla and gentoo-sources, but even so, I'm now basing my
patches on a Linux repository cloned from their central repository
server.

-- 
Alan Mackenzie (Nuremberg, Germany).