Date: Wed, 25 Sep 2013 17:01:23 +0200 From: Bengt Ahlgren <bengta@sics.se> To: Adrian Chadd <adrian@freebsd.org> Cc: "freebsd-acpi@freebsd.org" <freebsd-acpi@freebsd.org>, FreeBSD Stable Mailing List <freebsd-stable@freebsd.org>, Andriy Gapon <avg@freebsd.org>, Mike Harding <mvharding@gmail.com> Subject: Re: 9.2-RC3 - suspend/resume causes slow system performance Message-ID: <uh7a9j1gd30.fsf@P142s.sics.se> In-Reply-To: <CAJ-VmokRsDLwudDyuWTq7PLPVrBrTJeunt=hSnHu413=H0f-mw@mail.gmail.com> (Adrian Chadd's message of "Fri, 6 Sep 2013 15:01:26 -0700") References: <CALRn2n_2tUc0vPCFpgmAjYRm1=7KB5sA3A%2BxQqcc=ye-S1-0LA@mail.gmail.com> <CAJ-Vmom970ZBLPLWWTomkKtX1w-Fi3cj5qva1_ODcx22nqEXfA@mail.gmail.com> <CALRn2n9G1%2BBS8KVUc_RFZj-snM3FVJvsEEcnWqv-GF82=CqS6Q@mail.gmail.com> <CAJ-VmomWMhQNU1w0eWdwrKYz2fuZ5xZimgxQWUEkPqaQcgYkjw@mail.gmail.com> <CALRn2n_e2Uu4Y2aHUSP=6_aQDPeCk_OkrCxiFWaD0BxmbgP4-A@mail.gmail.com> <CAJ-VmokesYVnYJUnNgULKwL-wqb_-SqqYi=3KUSCGbHNVgOOUw@mail.gmail.com> <5222E19C.9040402@FreeBSD.org> <CAJ-VmokHyXaxZTb-3Bpp19Go%2BsW=ms0Zh0WAMB7sD1JSX6HdUw@mail.gmail.com> <5223B313.9060708@FreeBSD.org> <CAJ-VmomweLyjXnBHjp=Nrs3P4n7UNF1bCV_N41RYJQqGLpg9hQ@mail.gmail.com> <5223B9C3.2070508@FreeBSD.org> <CAJ-Vmo=%2BWPXLDCpMu-i1MrjEtn4mA04kDx96C2t0-xPvC-cP9w@mail.gmail.com> <CALRn2n-7e4pvto-7jeYKL-CMgDNmCWJM=vq4vyo9ZV1QRdgTpA@mail.gmail.com> <522418F4.9030007@FreeBSD.org> <CALRn2n-yh7U_Vr0KU7qeScrTAVomjz51CAaCgSarVrp0nA6xuA@mail.gmail.com> <CAJ-VmonZWuEM7FYzm8dwPzW8aWV4J5hQqP7Tzm%2BP0VaP=tjV-w@mail.gmail.com> <CALRn2n-2FhPGwizv4c=o2hS6rz3_uNQHFTcEobyohu5G9JGFXA@mail.gmail.com> <CAJ-Vmomyp%2BJrjs8Bs4Ff3S%2BiZh=G-HNitQcnm0Rix2Ow9EUR-A@mail.gmail.com> <CAJ-VmokRsDLwudDyuWTq7PLPVrBrTJeunt=hSnHu413=H0f-mw@mail.gmail.com>
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Now having some experience with my "new" TP X201 and Intel/KMS graphics, I also ran into severe Xorg perfomance issues, but it was _not_ connected to suspend/resume, because it persisted after a clean reboot. I plugged in a projector to the VGA port, and used xrandr. The Xorg server seemed to come to a halt, in practice unusable. After the fact I saw in the log file that there were tons of these messages: [ 136.238] (II) intel(0): EDID vendor "IFS", prod id 4354 [ 136.238] (II) intel(0): Using hsync ranges from config file [ 136.238] (II) intel(0): Using vrefresh ranges from config file [ 136.238] (II) intel(0): Printing DDC gathered Modelines: [ 136.238] (II) intel(0): Modeline "1280x800"x0.0 83.40 1280 1344 1480 1680 800 801 804 828 -hsync +vsync (49.6 kHz eP) [ 136.238] (II) intel(0): Modeline "800x600"x0.0 40.00 800 840 968 1056 600 601 605 628 +hsync +vsync (37.9 kHz e) [ 136.238] (II) intel(0): Modeline "800x600"x0.0 36.00 800 824 896 1024 600 601 603 625 +hsync +vsync (35.2 kHz e) [ 136.238] (II) intel(0): Modeline "640x480"x0.0 31.50 640 656 720 840 480 481 484 500 -hsync -vsync (37.5 kHz e) [ 136.238] (II) intel(0): Modeline "640x480"x0.0 31.50 640 664 704 832 480 489 492 520 -hsync -vsync (37.9 kHz e) [ 136.238] (II) intel(0): Modeline "640x480"x0.0 30.24 640 704 768 864 480 483 486 525 -hsync -vsync (35.0 kHz e) [ 136.238] (II) intel(0): Modeline "640x480"x0.0 25.18 640 656 752 800 480 490 492 525 -hsync -vsync (31.5 kHz e) [ 136.238] (II) intel(0): Modeline "720x400"x0.0 28.32 720 738 846 900 400 412 414 449 -hsync +vsync (31.5 kHz e) [ 136.238] (II) intel(0): Modeline "1280x1024"x0.0 135.00 1280 1296 1440 1688 1024 1025 1028 1066 +hsync +vsync (80.0 kHz e) [ 136.238] (II) intel(0): Modeline "1024x768"x0.0 78.75 1024 1040 1136 1312 768 769 772 800 +hsync +vsync (60.0 kHz e) [ 136.238] (II) intel(0): Modeline "1024x768"x0.0 75.00 1024 1048 1184 1328 768 771 777 806 -hsync -vsync (56.5 kHz e) [ 136.238] (II) intel(0): Modeline "1024x768"x0.0 65.00 1024 1048 1184 1344 768 771 777 806 -hsync -vsync (48.4 kHz e) [ 136.238] (II) intel(0): Modeline "832x624"x0.0 57.28 832 864 928 1152 624 625 628 667 -hsync -vsync (49.7 kHz e) [ 136.238] (II) intel(0): Modeline "800x600"x0.0 49.50 800 816 896 1056 600 601 604 625 +hsync +vsync (46.9 kHz e) [ 136.238] (II) intel(0): Modeline "800x600"x0.0 50.00 800 856 976 1040 600 637 643 666 +hsync +vsync (48.1 kHz e) [ 136.238] (II) intel(0): Modeline "1152x864"x0.0 108.00 1152 1216 1344 1600 864 865 868 900 +hsync +vsync (67.5 kHz e) [ 136.238] (II) intel(0): Modeline "1280x720"x60.0 74.48 1280 1336 1472 1664 720 721 724 746 -hsync +vsync (44.8 kHz e) [ 136.238] (II) intel(0): Modeline "1280x960"x0.0 108.00 1280 1376 1488 1800 960 961 964 1000 +hsync +vsync (60.0 kHz e) [ 136.238] (II) intel(0): Modeline "1280x1024"x0.0 108.00 1280 1328 1440 1688 1024 1025 1028 1066 +hsync +vsync (64.0 kHz e) [ 136.238] (II) intel(0): Modeline "1366x768"x59.8 84.75 1366 1431 1567 1776 768 771 781 798 -hsync +vsync (47.7 kHz e) [ 136.238] (II) intel(0): Modeline "1440x900"x0.0 106.50 1440 1520 1672 1904 900 903 909 934 -hsync +vsync (55.9 kHz e) [ 136.238] (II) intel(0): Modeline "1400x1050"x0.0 121.75 1400 1488 1632 1864 1050 1053 1057 1089 -hsync +vsync (65.3 kHz e) [ 136.238] (II) intel(0): Modeline "1600x1200"x0.0 162.00 1600 1664 1856 2160 1200 1201 1204 1250 +hsync +vsync (75.0 kHz e) [ 136.238] (II) intel(0): Modeline "1680x1050"x0.0 146.25 1680 1784 1960 2240 1050 1053 1059 1089 -hsync +vsync (65.3 kHz e) That is, the Xorg server constantly queried the display device for its capabilities (perhaps on behalf of some client - I run KDE, so you never know what it tries to do...). This seems to be a somewhat known issue: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/310857 Is this something different, or is this a variant of the slowdown others are seeing? Bengt Adrian Chadd <adrian@freebsd.org> writes: > .. anything happening? > > > -adrian > > > On 2 September 2013 07:29, Adrian Chadd <adrian@freebsd.org> wrote: > >> >> On 2 September 2013 07:25, Mike Harding <mvharding@gmail.com> wrote: >> >>> It's detailed in the ticket, see >>> http://www.freebsd.org/cgi/query-pr.cgi?pr=181632 and search for >>> 'reverted'. >>> >>> >> Ok. You and avg@ are digging into it deeper, so I'll leave it be for now. >> I'll retest this on my test laptops when I'm back home. >> >> >> >> -adrian
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