On 25.11.21 13:00, Thorsten Leemhuis wrote: > On 21.11.21 12:47, Thorsten Leemhuis wrote: >> Hi, this is your Linux kernel regression tracker speaking. > /me again and again :-D >> On 16.11.21 05:52, Harald Dunkel wrote: >>> >>> if I enable CONFIG_SYSFB_SIMPLEFB in 5.15.2 and use grub's default >>> configuration >>> (Debian sid amd64), then a few lines at the bottom of /dev/tty1 including >>> login prompt are off-screen. Scrolling is broken. I can login, though. >>> >>> Enabling GRUB_TERMINAL=console in grub doesn't make a difference. Using >>> the same kernel except for CONFIG_SYSFB_SIMPLEFB the problem is gone. >>> >>> Graphics card is a GeForce GTX 1650. I tried with both CONFIG_DRM_NOUVEAU >>> and proprietary graphics drivers disabled. >>> >>> Attached you can find the config file. Please mail if I can help to track >>> this problem down. >> >> Thx for the report. I'm not totally sure if this is a regression, as >> that's a new config option. But it might be one considered a successor >> to an older one, hence it might count as regression. Adding two >> developers and a mailing list to the CC, hopefully someone can clarify. > > Javier, I'd be interested in your option on this. > > Harald, did you have CONFIG_X86_SYSFB enabled in earlier kernel versions > (and did console scrolling work then)? The answer would help me to > decide if this a regression, as those ideally should be fixed as quickly > as possible. Harald, a reply would have been very helpful; I wonder if Javier is waiting for the answer, too. If I get none in the next few days I guess I'll drop this from the list of tracked regressions. Ciao, Thorsten #regzbot ignore-activity >> TWIMC: To be sure this issue doesn't fall through the cracks unnoticed, >> I'm adding it to regzbot, my Linux kernel regression tracking bot: >> >> #regzbot ^introduced 8633ef82f101c040427b57d4df7b706261420b94 >> #regzbot title CONFIG_SYSFB_SIMPLEFB breaks console scrolling >> #regzbot ignore-activity >> >> Ciao, Thorsten, your Linux kernel regression tracker. >> >> P.S.: If you want to know more about regzbot, check out its >> web-interface, the getting start guide, and/or the references documentation: >> >> https://linux-regtracking.leemhuis.info/regzbot/ >> https://gitlab.com/knurd42/regzbot/-/blob/main/docs/getting_started.md >> https://gitlab.com/knurd42/regzbot/-/blob/main/docs/reference.md >> >> The last two documents will explain how you can interact with regzbot >> yourself if your want to. >> >> Hint for the reporter: when reporting a regression it's in your interest >> to tell #regzbot about it in the report, as that will ensure the >> regression gets on the radar of regzbot and the regression tracker. >> That's in your interest, as they will make sure the report won't fall >> through the cracks unnoticed. >> >> Hint for developers: you normally don't need to care about regzbot, just >> fix the issue as you normally would. Just remember to include a 'Link:' >> tag to the report in the commit message, as explained in >> Documentation/process/submitting-patches.rst >> That aspect was recently was made more explicit in commit 1f57bd42b77c: >> https://git.kernel.org/linus/1f57bd42b77c > > #regzbot title drm: CONFIG_SYSFB_SIMPLEFB breaks console scrolling > > > >
