On Fri, Nov 5, 2021 at 5:18 PM The Wanderer <[email protected]> wrote: > > (Is there a reason why the line after the quote and before your new > text, in both cases where that happened, consisted of a string of 11 tab > characters instead of being empty? I had to delete the tabs manually in > order to avoid having it mess up quoting in this reply.) > > On 2021-11-05 at 19:03, Felix Miata wrote: > > > The Wanderer composed on 2021-11-05 18:25 (UTC-0400): > > > >> There's a specific kernel-command-line parameter (on top of > >> 'nomodeset') for disabling KMS with certain types of Intel > >> integrated GPU; I don't remember it off the top of my head, but I > >> believe it involves the string 'i915'. > > > > Nomodeset disables KMS for all graphics hardware. > > While I have no reason to doubt this statement, it doesn't seem to > entirely line up with what I've observed in the real world. > > I've encountered cases where specifying just 'nomodeset' didn't make the > system stop attempting to switch to a more-advanced display mode (and go > blank, losing the ability to display at all), but specifying both that > and 'i915.whateveritwas' did. > > (With exactly the same live-boot image, on different hardware, > specifying just 'nomodeset' worked just fine. So it wasn't something odd > about the boot environment, or at least not exclusively so.) > > >> Disabling kernel modesetting isn't the greatest thing for long-term > >> use, but if it can let you boot, you may be able to use that as a > >> basis for figuring out what other solutions may be possible. > > > > Nomodeset is primarily intended to be a troubleshooting parameter. > > KMS, which nomodeset disables, is an absolute requirement for > > competent graphics performance from al FOSS drivers supporting AMD, > > Intel and NVidia GPUs, among others. > > I figured it'd be something like that, but didn't have the > (sufficiently-recent) direct experience to be able to say for sure. > > -- > The Wanderer > > The reasonable man adapts himself to the world; the unreasonable one > persists in trying to adapt the world to himself. Therefore all > progress depends on the unreasonable man. -- George Bernard Shaw
Thank you. I'd completely forgotten about "nomodeset" although I've had occasion to use it before. Did the job!
