On Tue, 12 Feb 2013, Dave Jones wrote: > On Tue, Feb 12, 2013 at 04:26:22PM -0800, Hugh Dickins wrote: > > On Tue, 12 Feb 2013, Dave Jones wrote: > > > > > My Thinkpad T430s suspend/resumes fine most of the time. But every so > often > > > (like one in ten times or so), as soon as I suspend, I get a black > screen, > > > and a blinking power button. > > > > > > (Note: Not the capslock lights like when we panic, this laptop > 'conveniently > > > doesn't have those. This is the light surrounding the power button, > which afaik > > > isn't even OS controlled, so maybe we're dying somewhere in SMI/BIOS > land?) > > > > Me too on T420s, except that is blessed with a blinking CapsLk. > > > > It's so erratic (though I think I see more failures than you do: I'd say > > a quick resume never fails, but an overnight resume fails half the time): > > I'm afraid I didn't have the patience to embark on pm_trace at all. > > Sounds like yours successfully suspends all the time though ?
So far as I can tell. > For me, as soon as I shut the lid, the moon light starts flashing indicating > failure. My moon light shines steadily. > > That said, we saw that I was failing on the resume path after a failed > suspend, > so it could still be the same problem. > > > I did try to bisect it during the -rc5 week. I'm not sure, but I have > > no record of seeing it on -rc1 or -rc2, but definitely saw it on -rc3. > > So I tried bisecting between -rc2 and -rc3, persisting for a day if it > > looked good; but the bisection didn't seem to be converging anywhere > > likely when -rc6 came out, and I switched to see if -rc6 solved it. > > > > I had no problem with -rc6; but with -rc7 it happens more than ever. > > Though still not on "quick" resumes, the kind you want to do when > > bisecting. > > so I can hit this pretty quickly with this.. > > while [ 1 ]; > do > rtcwake -s 5 -m no ; pm-suspend > done > > Which should make it bisectable at least.. Thanks, I'll give that a try this evening. > > > Sharing these anecdotes in case they match or diverge from your > > experience and others, and might help towards finding the cause. > > Not-to-be-trusted bisection log appended: of course the bads are > > reliable, but perhaps none of the goods. > > I didn't have this laptop pre 3.8rc, so I've not had a 'good' reference, > pretty sure I saw it during rc1 though, so I might have to go back further > a version or two. > > Dave -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
