Yes, it almost never happens for a child, has been known since 2011, is specific to the single panel touchpad assembly on XO-1, and is solved by following (to the letter) our community documentation:
http://wiki.laptop.org/go/Ok ... instead of historic practices that were learned on the three panel touchpad assembly. ;-) On Tue, Aug 04, 2015 at 09:28:23AM -0400, Adam Holt wrote: > Just an update that I've narrowed in on the/a pattern which triggers the > problem, with the help of James Cameron, and some workarounds: > > • Tapping the ESC key very rapidly during bootup causes the keyboard > mismapping (and hence, failure to enter Open Firmware). > • Holding down the ESC key during bootup (generally, but not always) avoids > the problem (entering Open Firmware). > • Typing no keys at all during initial bootup, appears (I hope) to be a > workaround to boot the OS properly, with keyboard functioning properly. > > Better yet, earlier firmware (e.g. q2e41 in this case) does not appear to show > the problem at all, so newer firmware may be available in future to solve this > annoying-but-less-serious-that-I-imagined problem. For all using SKU39 XO-1s > (or perhaps other/similar XO laptops having the modern touchpad?) > > On Mon, Aug 3, 2015 at 7:03 PM, Adam Holt <[1]h...@laptop.org> wrote: > > I haven't figured out the pattern yet, but perhaps 50% of the time these > XO-1s boot with an unusable keyboard (it's a "US Intl" keyboard, but the > keys end up mapped to all the wrong places, showing the wrong letters/ > numbers, such that not even the ESC key works to get to the Ok prompt). > > This pattern arises with "vanilla" 13.2.5 (without SD cards) as well as > 13.2.5 with SD cards. In other words both of these: > > [2]http://wiki.laptop.org/go/Release_notes/13.2.5#XO-1 > [3]http://wiki.laptop.org/go/Release_notes/13.2.5#XO-1_with_SD_card > > Running the "bye" command at the Ok prompt seems to trigger the problem > almost every time (possibly every time?). But that is not the only thing > that triggers the problem. Sometimes the XO just boots with unusable > keyboard, repeatedly. Then when I try to hit ESC on boot 20 times in a > row, I cannot reproduce the problem at other times. Problem occurs on all > SKU39 XO-1s I've tried so far. > > I've not yet tried other SKU's. My testing has only just begun, to see if > this same problem occurs with (both) 13.2.4 OS's and earlier. > > Any tips for debugging / identifying the source of this quite serious > gremlin? What should I and my small team of debugging volunteers look out > for and try? And I'll do more work on this when I get back home late > tonight, but all thoughts appreciated- > > (Also, any recommendations as to which older builds are best, as an > interim > workaround?) > > -- > Unsung Heroes of OLPC, interviewed live @ [4]http://unleashkids.org ! > > References: > > [1] mailto:h...@laptop.org > [2] http://wiki.laptop.org/go/Release_notes/13.2.5#XO-1 > [3] http://wiki.laptop.org/go/Release_notes/13.2.5#XO-1_with_SD_card > [4] http://unleashkids.org/ > _______________________________________________ > support-gang mailing list > support-g...@lists.laptop.org > http://lists.laptop.org/listinfo/support-gang -- James Cameron http://quozl.linux.org.au/ _______________________________________________ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel
