Messages in this thread | | | Date | Mon, 25 Jan 2010 10:39:17 -0800 | From | Jesse Barnes <> | Subject | Re: [Bug #15015] blank screen at random times in laptop when sitting idle |
| |
On Mon, 25 Jan 2010 20:14:28 +0530 Manish Katiyar <mkatiyar@gmail.com> wrote:
> On Mon, Jan 25, 2010 at 7:40 PM, Pekka Enberg > <penberg@cs.helsinki.fi> wrote: > > On Mon, Jan 25, 2010 at 12:23 AM, Rafael J. Wysocki <rjw@sisk.pl> > > 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@gmail.com> 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.
-- Jesse Barnes, Intel Open Source Technology Center -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |