Hello again, Peter. On Sat, Dec 31, 2022 at 15:47:01 +0000, Peter Humphrey wrote: > Hello Alan, > On Saturday, 31 December 2022 14:08:43 GMT you wrote:
> > What I'm thinking here is that you might be installing a font which is > > bigger than the 8x16 standard that you appear to be booting with. To > > check this, would you please do: > > # file /lib/rc/console/font > > , which should return a message like: > > /lib/rc/console/font: Linux/i386 PC Screen Font v1 data, 256 characters, > > Unicode directory, 8x16 > > What is the size of this font, here (where it says 8x16 for my font)? > > The reason I ask is, I've got a horrible suspicion that one of the C > > functions which copies screen data when the screen size is changed can > > only copy to a same sized or (possibly) _bigger_ screen (i.e. with a > > smaller font). If this is indeed the case, it might explain why you're > > seeing a hang, here. > I think you've put your finger on it: > $ file /lib/rc/console/font > /lib/rc/console/font: Linux/i386 PC Screen Font v2 data, 256 characters, > Unicode directory, 22x11 > I use consolefont="ter-122n" from the terminus-font package. It's a long time > since I was able to read a high-resolution screen in its native resolution. > Is there some way I can get the UEFI BIOS to boot with that font, or a larger > one? Or perhaps let the system boot without setting a font and then changing > it later? Probably, but it would be better if I just fixed the bug(s) in my changes to the kernel. Changing font size is something one should be able to do. > Neither of those looks easy to do. I'd better have a good root through the > BIOS options to start with. A happy new year to you (and everybody else here), and give me somewhere between a few hours and a few days, and this bug should get fixed. Again, thanks for such effective testing! > -- > Regards, > Peter. -- Alan Mackenzie (Nuremberg, Germany).