On Mon, 27 Nov 2017 12:37:10 -0500 Cindy-Sue Causey <butterflyby...@gmail.com> wrote:
> On 11/27/17, Pietro Vischia <pietro.visc...@gmail.com> wrote: > > Dear All, > > > > I apologize in advance if this is not the correct forum: I am > > following the instructions at > > https://www.debian.org/Bugs/Reporting.en.html in the case in which > > the user is not sure of which package is affected. > > > > I have a Lenovo T460P, and with stretch I enjoyed a reasonable > > battery life (~4 hours). At the beginning of November I switched to > > buster, and things were still OK. > > > > Last week I made an upgrade as usual, and since reboot the battery > > lasts half an hour to one hour tops, which led me to think that a > > bug has been introduced in the latest updates. > > > > I am not sure of how to pinpoint which is the package responsible > > for that, although I suspect it might be either the ACPI package or > > the battery module of the kernel: could you perhaps please suggest > > me the best way to pinpoint the culprit for producing a detailed > > bug report? > > > Hi, Pietro.. I don't have a direct answer, but one thought occurred to > me. Do you have a way to boot again from either of the other releases > again to see if it goes back to your ~4 hour expectation? > > That's all I got, grin. It would have to be almost exactly the same as > before. In other words, it's.... well, on second thought, I don't > know. > > Can anyone present a test screnario where the power usage would be at > least somewhat similar without having to undo a new installation? What > I'm imagining is testing via a memory stick'ish or external hard drive > situation. Not scientific, but it might yield something of possible > use, anyway... Or not. :) > > Cindy :) I'd suppose running both live images (buster/stretch) from a thumb drive for debugging. Power consumption should be similar to SSD, effort is minimal and it should be fairly easy to compare the results from 'top' and 'ps axf' - and the actual battery life, of course. -- -- Backup not found: (A)bort (R)etry (P)anic