On Monday 25 January 2010, Jesse Barnes wrote: > On Mon, 25 Jan 2010 20:14:28 +0530 > Manish Katiyar <mkatiyar@xxxxxxxxx> wrote: > > > On Mon, Jan 25, 2010 at 7:40 PM, Pekka Enberg > > <penberg@xxxxxxxxxxxxxx> wrote: > > > On Mon, Jan 25, 2010 at 12:23 AM, Rafael J. Wysocki <rjw@xxxxxxx> > > > wrote: > > >> This message has been generated automatically as a part of a report > > >> of regressions introduced between 2.6.31 and 2.6.32. > > >> > > >> The following bug entry is on the current list of known regressions > > >> introduced between 2.6.31 and 2.6.32. Please verify if it still > > >> should be listed and let me know (either way). > > >> > > >> > > >> Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=15015 > > >> Subject : blank screen at random times in laptop when > > >> sitting idle Submitter : Jithin Emmanuel > > >> <jithin1987@xxxxxxxxx> Date : 2010-01-09 16:48 (16 days > > >> old) > > > > > > FWIW, I might have seen this on my Macbook as well (screen went > > > blank but I didn't check the logs). I think I managed to unblank > > > the screen by hitting the "increase brightness" key. But as you > > > say, the bug doesn't trigger very often and I have no idea how to > > > reproduce it at will. > > > > I have seen it too on my lenovo T60 with 2.6.32.2. It happens to me > > frequently and has become famous as "coffee bug" in my colleagues. > > Every morning when I goto office and after putting my laptop on > > docking station go for coffee. Once I come back the laptop screen goes > > blank, but haven't been able to manage how to get screen back. Only > > option is hard reboot. This happens almost every once in two three > > days. > > > > Let me know what information/logs I can provide to help debug this. > > BTW I normally suspend my laptop at home and then resume it in office > > (if that matters). > > Ouch, looks like our DPMS path is failing pretty hard. I'll add some > folks to cc, hopefully it'll be easy to track down. Thanks for taking care of this. Rafael -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
