l...@gnu.org (Ludovic Courtès) writes: > Hello Danny & all, > > Danny Milosavljevic <dan...@scratchpost.org> skribis: > >>> PIO_UNIMAPCLR: Input/output error >>> 3) PIO_UNIMAPCLR: Input/output error >>> >>> Anything to worry about? >> >> According to >> https://elixir.bootlin.com/linux/v3.2/source/include/linux/kd.h#L70 >> that's trying to clear the Unicode -> font map (that is, charmap). >> >> In Linux, ./drivers/tty/vt/vt_ioctl.c implements it. >> >> Can't see how that ever ends up in -EIO O_o > > Sometimes we also get: > > putfont: KDFONTOP: Input/output error > > In both cases, the warning comes from the ‘setfont’ program, invoked > from ‘console-font-shepherd-services’. > > I’ve looked at the code and man pages and like you, I don’t see where > EIO comes from. Maybe it’s a generic ioctl error that’s return before > we reach the actual ioctl implementation in the VT driver, sorta like > EBADF? > > Until we find out, I’d like to just silence the warnings: > > --- a/gnu/services/base.scm > +++ b/gnu/services/base.scm > @@ -754,8 +754,10 @@ to add @var{device} to the kernel's entropy pool. The > service will fail if > ;; systemd's vconsole support, let's not treat > ;; this as an error. > (case (status:exit-val > - (system* #$(file-append kbd "/bin/setfont") > - "-C" #$device #$font)) > + (with-error-to-port (%make-void-port "w") > + (lambda () > + (system* #$(file-append kbd > "/bin/setfont") > + "-C" #$device #$font)))) > ((0 71) #t) > (else #f)))) > (stop #~(const #t)) > > Sounds good?
Less scary warnings in the first impression sounds great :-) There should be an explaining comment with that code though.
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