On Monday 11 September 2017 23:25:27 Gabriel M. Elder wrote: > <html><body><span style="font-family:Verdana; color:#000; font-size:10pt;"><div>Hi all,</div><div><br></div><div>Hans de Goede, one of the upower maintainers, suggested I alert you all to this bug:</div><div><br></div><div><a href="https://bugs.freedesktop.org/show_bug.cgi?id=100041" mce_href="https://bugs.freedesktop.org/show_bug.cgi?id=100041" title="https://bugs.freedesktop.org/show_bug.cgi?id=100041" target="_blank">https://bugs.freedesktop.org/show_bug.cgi?id=100041</a><br></div><div><br></div><div>and the new one I filed via the kernel bugzilla:</div><div><br></div><div><a href="https://bugzilla.kernel.org/show_bug.cgi?id=196913" mce_href="https://bugzilla.kernel.org/show_bug.cgi?id=196913" title="https://bugzilla.kernel.org/show_bug.cgi?id=196913" target="_blank">https://bugzilla.kernel.org/show_bug.cgi?id=196913</a><br></div><div><br></div><div>"<span id="summary_container"><span id="short_desc_nonedit_display">keyboard backlight max_brightness value outside allowable range on Dell Latitude E6410 laptop"</span></span></div><div><br></div><div>Please check it out at your earliest convenience.</div><div><br></div><div>thanks,</div><div>- Gabriel</div></span></body></html> Hi Gabriel, please avoid sending such html emails to mailing list as it is hard to read them and also you have a very big chance that email would be eaten by spam filter or other developers would completely ignore it... To debug your problem, can you run smbios-keyboard-ctl tool from the libsmbios project? https://github.com/dell/libsmbios We would need output from --info parameter and also from --get-status. -- Pali Rohár pali.rohar@xxxxxxxxx