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OpenBSD Keyboard Problems Fixed by pms(4) and a Forcible Mouse Port Reset

posted by janrinok on Friday March 13 2015, @01:33AM   Printer-friendly
from the but-not-fixed-in-5.7 dept.

cnst writes:

Theo de Raadt writes a fascinating story from the s2k15 hackathon in Brisbane about the reasons that the mice and keyboards were problematic on the new ThinkPad X1, specifically, having keyboard repeat and shutter during install, eventually being figured out to happen due to the large and extra sensitive touchpad. It all came down to the pms driver, or lack thereof, as it's missing only on the RAMDISK kernels used on the install media, and they were the only ones being visibly affected.

"The solution is to forcibly reset the mouse port at attach," de Raadt proclaims. Some other keyboard issues, notably boot -c not working on some machines, were also determined to be caused by the mouse ports, too.

But the changes are risky, and require lots of testing prior to commit, due to the plethora of keyboard controller models, so, it didn't make the cut for the upcoming 5.7 release.

 
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  • (Score: 5, Funny) by cmn32480 on Friday March 13 2015, @03:42AM

    by cmn32480 (443) <{cmn32480} {at} {soylentnews.org}> on Friday March 13 2015, @03:42AM (#157117) Journal

    Can they do that for my wife? PLEASE??!?!?!?!?!

    --
    "It's a dog eat dog world, and I'm wearing Milkbone underwear" - Norm Peterson
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  • (Score: 0, Troll) by davester666 on Friday March 13 2015, @04:34AM

    by davester666 (155) on Friday March 13 2015, @04:34AM (#157141)

    She's doesn't actually get PMS that bad. She just likes banging somebody else for that week every month.

  • (Score: 3, Funny) by choose another one on Friday March 13 2015, @11:00AM

    by choose another one (515) on Friday March 13 2015, @11:00AM (#157215)

    There already is a long term fix - install the menopause plugin Do note though that there is no backout procedure, and it is not guaranteed to improve the user experience, in fact in some cases it can make it a lot worse...