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Martin Hope
ajn
Asked: 2020-04-30 22:10:03 +0800 CST
  • 2

我有一台 LG 34WK95U 显示器，无法在 Ubuntu 中以 5120x2160@60Hz 的全分辨率运行。我得到的最大值是 3440x1440@60 或者我可以使用 xrandr 手动强制 5120x2160@30 但无法在正常显示设置中进行选择。

这是我之前的问题高分辨率显示器支持，5120x2160，LG 34WK95的一个分支，尚未解决。

我开始玩更多的东西，xrandr --prop这给了我一些有趣的输出指示显示是平铺的。但是，它仅通过单个 Thunderbolt 3 端口连接，并且也没有双物理显示端口连接器。

所以我开始想，也许它希望以某种方式在单个物理接口上作为两个磁贴进行操作，但我该如何实现呢？平铺尺寸被列为 2560x2160，这是非常令人鼓舞的，因为这是我实际想要的全分辨率的一半。

更新：在线阅读看来，显示器应该能够使用 DP1.2 使用 MST 和平铺，或 DP1.4 使用 SST 而不使用平铺。使用监视器 OSD 在 DP 版本之间切换不会以任何我能看到的方式改变 xrandr 的输出。

https://www.dell.com/community/XPS/LG-Ultrawide-Monitor-34-inch-5k2k-compatibility/mp/7433664/highlight/true#M38557

https://www.tonymacx86.com/threads/success-gigabyte-designare-z390-thunderbolt-3-i7-9700k-amd-rx-580.267551/page-679#post-1994071

$ xrandr --prop
Screen 0: minimum 320 x 200, current 3440 x 1440, maximum 16384 x 16384
eDP-1 connected (normal left inverted right x axis y axis)
    _MUTTER_PRESENTATION_OUTPUT: 0 
    EDID: 
        00ffffffffffff004d10ba1400000000
        161d0104a52213780ede50a3544c9926
        0f505400000001010101010101010101
        010101010101ac3780a070383e403020
        350058c2100000180000000000000000
        00000000000000000000000000fe004d
        57503154804c513135364d3100000000
        0002410332001200000a010a202000d3
    scaling mode: Full aspect 
        supported: Full, Center, Full aspect
    max bpc: 12 
        range: (6, 12)
    Broadcast RGB: Automatic 
        supported: Automatic, Full, Limited 16:235
    link-status: Good 
        supported: Good, Bad
    CONNECTOR_ID: 86 
        supported: 86
    non-desktop: 0 
        range: (0, 1)
   1920x1080     60.00 +  59.97    59.96    59.93  
   1680x1050     59.95    59.88  
   1600x1024     60.17  
   1400x1050     59.98  
   1600x900      59.99    59.94    59.95    59.82  
   1280x1024     60.02  
   1440x900      59.89  
   1400x900      59.96    59.88  
   1280x960      60.00  
   1440x810      60.00    59.97  
   1368x768      59.88    59.85  
   1360x768      59.80    59.96  
   1280x800      59.99    59.97    59.81    59.91  
   1152x864      60.00  
   1280x720      60.00    59.99    59.86    59.74  
   1024x768      60.04    60.00  
   960x720       60.00  
   928x696       60.05  
   896x672       60.01  
   1024x576      59.95    59.96    59.90    59.82  
   960x600       59.93    60.00  
   960x540       59.96    59.99    59.63    59.82  
   800x600       60.00    60.32    56.25  
   840x525       60.01    59.88  
   864x486       59.92    59.57  
   800x512       60.17  
   700x525       59.98  
   800x450       59.95    59.82  
   640x512       60.02  
   720x450       59.89  
   700x450       59.96    59.88  
   640x480       60.00    59.94  
   720x405       59.51    58.99  
   684x384       59.88    59.85  
   680x384       59.80    59.96  
   640x400       59.88    59.98  
   576x432       60.06  
   640x360       59.86    59.83    59.84    59.32  
   512x384       60.00  
   512x288       60.00    59.92  
   480x270       59.63    59.82  
   400x300       60.32    56.34  
   432x243       59.92    59.57  
   320x240       60.05  
   360x202       59.51    59.13  
   320x180       59.84    59.32  
DP-1 connected primary 3440x1440+0+0 (normal left inverted right x axis y axis) 800mm x 330mm
    EDID: 
        00ffffffffffff001e6d2177d3ad0200
        091d0104b55021789e09c1ae5044af26
        0e50542108007140818081c0a9c0d1c0
        810001010101e77c70a0d0a029503020
        3a00204a3100001a9d6770a0d0a02250
        30203a00204a3100001a000000fd0030
        3d1e874c000a202020202020000000fc
        004c472048445220354b0a202020033d
        02031971449004030123090707830100
        00e305c000e30605014dd000a0f0703e
        803020650c204a3100001a286800a0f0
        703e800890650c204a3100001a000000
        00000000000000000000000000000000
        00000000000000000000000000000000
        00000000000000000000000000000000
        000000000000000000000000000000e3
        701279030001000c401fe40c00147008
        90788999030014e07c00086f0d9f002f
        801f009f052800020009000000000000
        00000000000000000000000000000000
        00000000000000000000000000000000
        00000000000000000000000000000000
        00000000000000000000000000000000
        00000000000000000000000000002590
        701279030012001682100000ff096f08
    _MUTTER_PRESENTATION_OUTPUT: 0 
    Content Protection: Undesired 
        supported: Undesired, Desired, Enabled
    max bpc: 12 
        range: (6, 12)
    Broadcast RGB: Automatic 
        supported: Automatic, Full, Limited 16:235
    audio: auto 
        supported: force-dvi, off, auto, on
    link-status: Good 
        supported: Good, Bad
    CONNECTOR_ID: 92 
        supported: 92
    non-desktop: 0 
        range: (0, 1)
   3440x1440     59.97*+  59.96    49.99  
   3840x2160     60.00    30.00  
   1920x1080     60.00    60.00    59.94  
   1600x900      60.00  
   1280x1024     60.02  
   1280x800      59.81  
   1152x864      59.97  
   1280x720      60.00    59.94  
   1024x768      60.00  
   800x600       60.32  
   720x480       60.00    59.94  
   640x480       60.00    59.94  
DP-2 connected (normal left inverted right x axis y axis)
    EDID: 
        00ffffffffffff001e6d2177d3ad0200
        091d0104b55021789e09c1ae5044af26
        0e505420000001010101010101010101
        01010101010100000000000000000000
        00000000000000000000000000000000
        00000000000000000000000000fd0030
        3d1e874c000a202020202020000000fc
        004c472048445220354b0a202020017a
        701279030001000c401fe40c00147008
        9078899912001680101000ff096f0800
        0000000047534d217701010101030014
        f0890008ff094f0007801f006f085100
        00000700000000000000000000000000
        00000000000000000000000000000000
        00000000000000000000000000000000
        00000000000000000000000000003290
    TILE: 1 1 2 1 1 0 2560 2160 
    Content Protection: Undesired 
        supported: Undesired, Desired, Enabled
    max bpc: 12 
        range: (6, 12)
    Broadcast RGB: Automatic 
        supported: Automatic, Full, Limited 16:235
    audio: auto 
        supported: force-dvi, off, auto, on
    link-status: Good 
        supported: Good, Bad
    CONNECTOR_ID: 100 
        supported: 100
    non-desktop: 0 
        range: (0, 1)
   2560x2160     59.66  
   640x480       59.94  
DP-3 disconnected (normal left inverted right x axis y axis)
    Content Protection: Undesired 
        supported: Undesired, Desired, Enabled
    max bpc: 12 
        range: (6, 12)
    Broadcast RGB: Automatic 
        supported: Automatic, Full, Limited 16:235
    audio: auto 
        supported: force-dvi, off, auto, on
    link-status: Good 
        supported: Good, Bad
    CONNECTOR_ID: 106 
        supported: 106
    non-desktop: 0 
        range: (0, 1)

这是在lspci笔记本电脑端显示硬件的输出，我目前正在使用 nvidia 卡运行，但如果我切换到 Intel 卡并重新启动，显示信息看起来相同。

00:00.0 Host bridge: Intel Corporation Device 3e20 (rev 0d)
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor PCIe Controller (x16) (rev 0d)
00:02.0 VGA compatible controller: Intel Corporation UHD Graphics 630 (Mobile) (rev 02)
00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 0d)
00:08.0 System peripheral: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model
00:12.0 Signal processing controller: Intel Corporation Cannon Lake PCH Thermal Controller (rev 10)
00:14.0 USB controller: Intel Corporation Cannon Lake PCH USB 3.1 xHCI Host Controller (rev 10)
00:14.2 RAM memory: Intel Corporation Cannon Lake PCH Shared SRAM (rev 10)
00:15.0 Serial bus controller [0c80]: Intel Corporation Cannon Lake PCH Serial IO I2C Controller #0 (rev 10)
00:15.1 Serial bus controller [0c80]: Intel Corporation Cannon Lake PCH Serial IO I2C Controller #1 (rev 10)
00:16.0 Communication controller: Intel Corporation Cannon Lake PCH HECI Controller (rev 10)
00:17.0 SATA controller: Intel Corporation Cannon Lake Mobile PCH SATA AHCI Controller (rev 10)
00:1b.0 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #17 (rev f0)
00:1c.0 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #1 (rev f0)
00:1c.4 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #5 (rev f0)
00:1d.0 PCI bridge: Intel Corporation Cannon Lake PCH PCI Express Root Port #9 (rev f0)
00:1f.0 ISA bridge: Intel Corporation Device a30e (rev 10)
00:1f.3 Audio device: Intel Corporation Cannon Lake PCH cAVS (rev 10)
00:1f.4 SMBus: Intel Corporation Cannon Lake PCH SMBus Controller (rev 10)
00:1f.5 Serial bus controller [0c80]: Intel Corporation Cannon Lake PCH SPI Controller (rev 10)
01:00.0 3D controller: NVIDIA Corporation TU117GLM [Quadro T2000 Mobile / Max-Q] (rev a1)
02:00.0 PCI bridge: Intel Corporation JHL6340 Thunderbolt 3 Bridge (C step) [Alpine Ridge 2C 2016] (rev 02)
03:00.0 PCI bridge: Intel Corporation JHL6340 Thunderbolt 3 Bridge (C step) [Alpine Ridge 2C 2016] (rev 02)
03:01.0 PCI bridge: Intel Corporation JHL6340 Thunderbolt 3 Bridge (C step) [Alpine Ridge 2C 2016] (rev 02)
03:02.0 PCI bridge: Intel Corporation JHL6340 Thunderbolt 3 Bridge (C step) [Alpine Ridge 2C 2016] (rev 02)
04:00.0 System peripheral: Intel Corporation JHL6340 Thunderbolt 3 NHI (C step) [Alpine Ridge 2C 2016] (rev 02)
05:00.0 PCI bridge: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge DD 2018] (rev 06)
06:02.0 PCI bridge: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge DD 2018] (rev 06)
07:00.0 USB controller: Intel Corporation JHL7540 Thunderbolt 3 USB Controller [Titan Ridge 4C 2018] (rev 06)
3a:00.0 USB controller: Intel Corporation JHL6340 Thunderbolt 3 USB 3.1 Controller (C step) [Alpine Ridge 2C 2016] (rev 02)
3b:00.0 Network controller: Intel Corporation Wireless-AC 9260 (rev 29)
3c:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS525A PCI Express Card Reader (rev 01)
3d:00.0 Non-Volatile memory controller: SK hynix Device 1627
multiple-monitors nvidia xrandr display-resolution external-monitor
Martin Hope
ajn
Asked: 2020-04-24 22:38:29 +0800 CST
  • 2

我有一台新的 Dell Precission 5540 笔记本电脑，我连接到我的 LG 34WK95 显示器。在 Windows 中，我得到完整的 5120x2160@60hz 分辨率，但在 Ubuntu 中，我能得到的最好分辨率是 3440x1440。显示器通过迅雷 (usb-c) 连接。

有谁知道如何解决这一问题？或者至少我应该在哪里提交错误报告。

谷歌搜索时我能找到的唯一相关内容是这些链接

https://unix.stackexchange.com/questions/486350/using-displayport-over-usb-c-thunderbolt-3-to-drive-external-5120x2160-monitor

https://www.phoronix.com/scan.php?page=news_item&px=Linux-USB-Type-C-Port-DP-Driver

更新 1：使用 xrandr 我可以强制设置 5120x2160@30Hz 设置，所以这可能表明它以某种方式在 USB-C 模式下运行，即使连接的是在 Windows 中工作的相同 thunberbolt 电缆？ https://www.lg.com/uk/monitors/lg-34WK95U

60赫兹仍然不起作用。

更新 2：按要求附加xrandr --verbose输出

$ xrandr --verbose
Screen 0: minimum 320 x 200, current 8192 x 3456, maximum 16384 x 16384
eDP-1 connected (normal left inverted right x axis y axis)
    Identifier: 0x42
    Timestamp:  3453569
    Subpixel:   unknown
    Clones:    
    CRTCs:      1 0 2
    Transform:  1.000000 0.000000 0.000000
                0.000000 1.000000 0.000000
                0.000000 0.000000 1.000000
               filter: 
    _MUTTER_PRESENTATION_OUTPUT: 0 
    EDID: 
        00ffffffffffff004d10ba1400000000
        161d0104a52213780ede50a3544c9926
        0f505400000001010101010101010101
        010101010101ac3780a070383e403020
        350058c2100000180000000000000000
        00000000000000000000000000fe004d
        57503154804c513135364d3100000000
        0002410332001200000a010a202000d3
    scaling mode: Full aspect 
        supported: Full, Center, Full aspect
    max bpc: 12 
        range: (6, 12)
    Broadcast RGB: Automatic 
        supported: Automatic, Full, Limited 16:235
    link-status: Good 
        supported: Good, Bad
    CONNECTOR_ID: 86 
        supported: 86
    non-desktop: 0 
        range: (0, 1)
  1920x1080 (0x47) 142.520MHz -HSync -VSync +preferred
        h: width  1920 start 1968 end 2000 total 2080 skew    0 clock  68.52KHz
        v: height 1080 start 1083 end 1088 total 1142           clock  60.00Hz
  1920x1080 (0x48) 266.500MHz +HSync -VSync DoubleScan
        h: width  1920 start 1944 end 1960 total 2000 skew    0 clock 133.25KHz
        v: height 1080 start 1081 end 1084 total 1111           clock  59.97Hz
  1920x1080 (0x49) 173.000MHz -HSync +VSync
        h: width  1920 start 2048 end 2248 total 2576 skew    0 clock  67.16KHz
        v: height 1080 start 1083 end 1088 total 1120           clock  59.96Hz
  1920x1080 (0x4a) 138.500MHz +HSync -VSync
        h: width  1920 start 1968 end 2000 total 2080 skew    0 clock  66.59KHz
        v: height 1080 start 1083 end 1088 total 1111           clock  59.93Hz
  1680x1050 (0x4b) 146.250MHz -HSync +VSync
        h: width  1680 start 1784 end 1960 total 2240 skew    0 clock  65.29KHz
        v: height 1050 start 1053 end 1059 total 1089           clock  59.95Hz
  1680x1050 (0x4c) 119.000MHz +HSync -VSync
        h: width  1680 start 1728 end 1760 total 1840 skew    0 clock  64.67KHz
        v: height 1050 start 1053 end 1059 total 1080           clock  59.88Hz
  1600x1024 (0x4d) 103.125MHz +HSync +VSync
        h: width  1600 start 1600 end 1656 total 1664 skew    0 clock  61.97KHz
        v: height 1024 start 1024 end 1029 total 1030           clock  60.17Hz
  1400x1050 (0x4e) 122.000MHz +HSync +VSync
        h: width  1400 start 1488 end 1640 total 1880 skew    0 clock  64.89KHz
        v: height 1050 start 1052 end 1064 total 1082           clock  59.98Hz
  1600x900 (0x4f) 246.000MHz -HSync +VSync DoubleScan
        h: width  1600 start 1728 end 1900 total 2200 skew    0 clock 111.82KHz
        v: height  900 start  901 end  904 total  932           clock  59.99Hz
  1600x900 (0x50) 186.500MHz +HSync -VSync DoubleScan
        h: width  1600 start 1624 end 1640 total 1680 skew    0 clock 111.01KHz
        v: height  900 start  901 end  904 total  926           clock  59.94Hz
  1600x900 (0x51) 118.250MHz -HSync +VSync
        h: width  1600 start 1696 end 1856 total 2112 skew    0 clock  55.99KHz
        v: height  900 start  903 end  908 total  934           clock  59.95Hz
  1600x900 (0x52) 97.500MHz +HSync -VSync
        h: width  1600 start 1648 end 1680 total 1760 skew    0 clock  55.40KHz
        v: height  900 start  903 end  908 total  926           clock  59.82Hz
  1280x1024 (0x53) 108.000MHz +HSync +VSync
        h: width  1280 start 1328 end 1440 total 1688 skew    0 clock  63.98KHz
        v: height 1024 start 1025 end 1028 total 1066           clock  60.02Hz
  1440x900 (0x54) 106.500MHz -HSync +VSync
        h: width  1440 start 1520 end 1672 total 1904 skew    0 clock  55.93KHz
        v: height  900 start  903 end  909 total  934           clock  59.89Hz
  1400x900 (0x55) 103.500MHz -HSync +VSync
        h: width  1400 start 1480 end 1624 total 1848 skew    0 clock  56.01KHz
        v: height  900 start  903 end  913 total  934           clock  59.96Hz
  1400x900 (0x56) 86.500MHz +HSync -VSync
        h: width  1400 start 1448 end 1480 total 1560 skew    0 clock  55.45KHz
        v: height  900 start  903 end  913 total  926           clock  59.88Hz
  1280x960 (0x57) 108.000MHz +HSync +VSync
        h: width  1280 start 1376 end 1488 total 1800 skew    0 clock  60.00KHz
        v: height  960 start  961 end  964 total 1000           clock  60.00Hz
  1440x810 (0x58) 198.125MHz -HSync +VSync DoubleScan
        h: width  1440 start 1548 end 1704 total 1968 skew    0 clock 100.67KHz
        v: height  810 start  811 end  814 total  839           clock  60.00Hz
  1440x810 (0x59) 151.875MHz +HSync -VSync DoubleScan
        h: width  1440 start 1464 end 1480 total 1520 skew    0 clock  99.92KHz
        v: height  810 start  811 end  814 total  833           clock  59.97Hz
  1368x768 (0x5a) 85.250MHz -HSync +VSync
        h: width  1368 start 1440 end 1576 total 1784 skew    0 clock  47.79KHz
        v: height  768 start  771 end  781 total  798           clock  59.88Hz
  1368x768 (0x5b) 72.250MHz +HSync -VSync
        h: width  1368 start 1416 end 1448 total 1528 skew    0 clock  47.28KHz
        v: height  768 start  771 end  781 total  790           clock  59.85Hz
  1360x768 (0x5c) 84.750MHz -HSync +VSync
        h: width  1360 start 1432 end 1568 total 1776 skew    0 clock  47.72KHz
        v: height  768 start  771 end  781 total  798           clock  59.80Hz
  1360x768 (0x5d) 72.000MHz +HSync -VSync
        h: width  1360 start 1408 end 1440 total 1520 skew    0 clock  47.37KHz
        v: height  768 start  771 end  781 total  790           clock  59.96Hz
  1280x800 (0x5e) 174.250MHz -HSync +VSync DoubleScan
        h: width  1280 start 1380 end 1516 total 1752 skew    0 clock  99.46KHz
        v: height  800 start  801 end  804 total  829           clock  59.99Hz
  1280x800 (0x5f) 134.250MHz +HSync -VSync DoubleScan
        h: width  1280 start 1304 end 1320 total 1360 skew    0 clock  98.71KHz
        v: height  800 start  801 end  804 total  823           clock  59.97Hz
  1280x800 (0x60) 83.500MHz -HSync +VSync
        h: width  1280 start 1352 end 1480 total 1680 skew    0 clock  49.70KHz
        v: height  800 start  803 end  809 total  831           clock  59.81Hz
  1280x800 (0x61) 71.000MHz +HSync -VSync
        h: width  1280 start 1328 end 1360 total 1440 skew    0 clock  49.31KHz
        v: height  800 start  803 end  809 total  823           clock  59.91Hz
  1152x864 (0x62) 81.620MHz -HSync +VSync
        h: width  1152 start 1216 end 1336 total 1520 skew    0 clock  53.70KHz
        v: height  864 start  865 end  868 total  895           clock  60.00Hz
  1280x720 (0x63) 156.125MHz -HSync +VSync DoubleScan
        h: width  1280 start 1376 end 1512 total 1744 skew    0 clock  89.52KHz
        v: height  720 start  721 end  724 total  746           clock  60.00Hz
  1280x720 (0x64) 120.750MHz +HSync -VSync DoubleScan
        h: width  1280 start 1304 end 1320 total 1360 skew    0 clock  88.79KHz
        v: height  720 start  721 end  724 total  740           clock  59.99Hz
  1280x720 (0x65) 74.500MHz -HSync +VSync
        h: width  1280 start 1344 end 1472 total 1664 skew    0 clock  44.77KHz
        v: height  720 start  723 end  728 total  748           clock  59.86Hz
  1280x720 (0x66) 63.750MHz +HSync -VSync
        h: width  1280 start 1328 end 1360 total 1440 skew    0 clock  44.27KHz
        v: height  720 start  723 end  728 total  741           clock  59.74Hz
  1024x768 (0x67) 133.475MHz -HSync +VSync DoubleScan
        h: width  1024 start 1100 end 1212 total 1400 skew    0 clock  95.34KHz
        v: height  768 start  768 end  770 total  794           clock  60.04Hz
  1024x768 (0x68) 65.000MHz -HSync -VSync
        h: width  1024 start 1048 end 1184 total 1344 skew    0 clock  48.36KHz
        v: height  768 start  771 end  777 total  806           clock  60.00Hz
  960x720 (0x69) 117.000MHz -HSync +VSync DoubleScan
        h: width   960 start 1024 end 1128 total 1300 skew    0 clock  90.00KHz
        v: height  720 start  720 end  722 total  750           clock  60.00Hz
  928x696 (0x6a) 109.150MHz -HSync +VSync DoubleScan
        h: width   928 start  976 end 1088 total 1264 skew    0 clock  86.35KHz
        v: height  696 start  696 end  698 total  719           clock  60.05Hz
  896x672 (0x6b) 102.400MHz -HSync +VSync DoubleScan
        h: width   896 start  960 end 1060 total 1224 skew    0 clock  83.66KHz
        v: height  672 start  672 end  674 total  697           clock  60.01Hz
  1024x576 (0x6c) 98.500MHz -HSync +VSync DoubleScan
        h: width  1024 start 1092 end 1200 total 1376 skew    0 clock  71.58KHz
        v: height  576 start  577 end  580 total  597           clock  59.95Hz
  1024x576 (0x6d) 78.375MHz +HSync -VSync DoubleScan
        h: width  1024 start 1048 end 1064 total 1104 skew    0 clock  70.99KHz
        v: height  576 start  577 end  580 total  592           clock  59.96Hz
  1024x576 (0x6e) 46.500MHz -HSync +VSync
        h: width  1024 start 1064 end 1160 total 1296 skew    0 clock  35.88KHz
        v: height  576 start  579 end  584 total  599           clock  59.90Hz
  1024x576 (0x6f) 42.000MHz +HSync -VSync
        h: width  1024 start 1072 end 1104 total 1184 skew    0 clock  35.47KHz
        v: height  576 start  579 end  584 total  593           clock  59.82Hz
  960x600 (0x70) 96.625MHz -HSync +VSync DoubleScan
        h: width   960 start 1028 end 1128 total 1296 skew    0 clock  74.56KHz
        v: height  600 start  601 end  604 total  622           clock  59.93Hz
  960x600 (0x71) 77.000MHz +HSync -VSync DoubleScan
        h: width   960 start  984 end 1000 total 1040 skew    0 clock  74.04KHz
        v: height  600 start  601 end  604 total  617           clock  60.00Hz
  960x540 (0x72) 86.500MHz -HSync +VSync DoubleScan
        h: width   960 start 1024 end 1124 total 1288 skew    0 clock  67.16KHz
        v: height  540 start  541 end  544 total  560           clock  59.96Hz
  960x540 (0x73) 69.250MHz +HSync -VSync DoubleScan
        h: width   960 start  984 end 1000 total 1040 skew    0 clock  66.59KHz
        v: height  540 start  541 end  544 total  555           clock  59.99Hz
  960x540 (0x74) 40.750MHz -HSync +VSync
        h: width   960 start  992 end 1088 total 1216 skew    0 clock  33.51KHz
        v: height  540 start  543 end  548 total  562           clock  59.63Hz
  960x540 (0x75) 37.250MHz +HSync -VSync
        h: width   960 start 1008 end 1040 total 1120 skew    0 clock  33.26KHz
        v: height  540 start  543 end  548 total  556           clock  59.82Hz
  800x600 (0x76) 81.000MHz +HSync +VSync DoubleScan
        h: width   800 start  832 end  928 total 1080 skew    0 clock  75.00KHz
        v: height  600 start  600 end  602 total  625           clock  60.00Hz
  800x600 (0x77) 40.000MHz +HSync +VSync
        h: width   800 start  840 end  968 total 1056 skew    0 clock  37.88KHz
        v: height  600 start  601 end  605 total  628           clock  60.32Hz
  800x600 (0x78) 36.000MHz +HSync +VSync
        h: width   800 start  824 end  896 total 1024 skew    0 clock  35.16KHz
        v: height  600 start  601 end  603 total  625           clock  56.25Hz
  840x525 (0x79) 73.125MHz -HSync +VSync DoubleScan
        h: width   840 start  892 end  980 total 1120 skew    0 clock  65.29KHz
        v: height  525 start  526 end  529 total  544           clock  60.01Hz
  840x525 (0x7a) 59.500MHz +HSync -VSync DoubleScan
        h: width   840 start  864 end  880 total  920 skew    0 clock  64.67KHz
        v: height  525 start  526 end  529 total  540           clock  59.88Hz
  864x486 (0x7b) 32.500MHz -HSync +VSync
        h: width   864 start  888 end  968 total 1072 skew    0 clock  30.32KHz
        v: height  486 start  489 end  494 total  506           clock  59.92Hz
  864x486 (0x7c) 30.500MHz +HSync -VSync
        h: width   864 start  912 end  944 total 1024 skew    0 clock  29.79KHz
        v: height  486 start  489 end  494 total  500           clock  59.57Hz
  800x512 (0x7d) 51.562MHz +HSync +VSync DoubleScan
        h: width   800 start  800 end  828 total  832 skew    0 clock  61.97KHz
        v: height  512 start  512 end  514 total  515           clock  60.17Hz
  700x525 (0x7e) 61.000MHz +HSync +VSync DoubleScan
        h: width   700 start  744 end  820 total  940 skew    0 clock  64.89KHz
        v: height  525 start  526 end  532 total  541           clock  59.98Hz
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        v: height  450 start  451 end  454 total  467           clock  59.95Hz
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        v: height  450 start  451 end  454 total  463           clock  59.82Hz
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        h: width   640 start  664 end  720 total  844 skew    0 clock  63.98KHz
        v: height  512 start  512 end  514 total  533           clock  60.02Hz
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        h: width   700 start  740 end  812 total  924 skew    0 clock  56.01KHz
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        h: width   700 start  724 end  740 total  780 skew    0 clock  55.45KHz
        v: height  450 start  451 end  456 total  463           clock  59.88Hz
  640x480 (0x85) 54.000MHz +HSync +VSync DoubleScan
        h: width   640 start  688 end  744 total  900 skew    0 clock  60.00KHz
        v: height  480 start  480 end  482 total  500           clock  60.00Hz
  640x480 (0x86) 25.175MHz -HSync -VSync
        h: width   640 start  656 end  752 total  800 skew    0 clock  31.47KHz
        v: height  480 start  490 end  492 total  525           clock  59.94Hz
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        h: width   720 start  744 end  808 total  896 skew    0 clock  25.11KHz
        v: height  405 start  408 end  413 total  422           clock  59.51Hz
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        h: width   720 start  768 end  800 total  880 skew    0 clock  24.72KHz
        v: height  405 start  408 end  413 total  419           clock  58.99Hz
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        h: width   684 start  720 end  788 total  892 skew    0 clock  47.79KHz
        v: height  384 start  385 end  390 total  399           clock  59.88Hz
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        v: height  384 start  385 end  390 total  395           clock  59.85Hz
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        v: height  400 start  401 end  404 total  415           clock  59.88Hz
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        v: height  400 start  401 end  404 total  411           clock  59.98Hz
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        v: height  432 start  432 end  434 total  447           clock  60.06Hz
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        h: width   640 start  664 end  680 total  720 skew    0 clock  44.27KHz
        v: height  360 start  361 end  364 total  370           clock  59.83Hz
  640x360 (0x92) 18.000MHz -HSync +VSync
        h: width   640 start  664 end  720 total  800 skew    0 clock  22.50KHz
        v: height  360 start  363 end  368 total  376           clock  59.84Hz
  640x360 (0x93) 17.750MHz +HSync -VSync
        h: width   640 start  688 end  720 total  800 skew    0 clock  22.19KHz
        v: height  360 start  363 end  368 total  374           clock  59.32Hz
  512x384 (0x94) 32.500MHz -HSync -VSync DoubleScan
        h: width   512 start  524 end  592 total  672 skew    0 clock  48.36KHz
        v: height  384 start  385 end  388 total  403           clock  60.00Hz
  512x288 (0x95) 23.250MHz -HSync +VSync DoubleScan
        h: width   512 start  532 end  580 total  648 skew    0 clock  35.88KHz
        v: height  288 start  289 end  292 total  299           clock  60.00Hz
  512x288 (0x96) 21.000MHz +HSync -VSync DoubleScan
        h: width   512 start  536 end  552 total  592 skew    0 clock  35.47KHz
        v: height  288 start  289 end  292 total  296           clock  59.92Hz
  480x270 (0x97) 20.375MHz -HSync +VSync DoubleScan
        h: width   480 start  496 end  544 total  608 skew    0 clock  33.51KHz
        v: height  270 start  271 end  274 total  281           clock  59.63Hz
  480x270 (0x98) 18.625MHz +HSync -VSync DoubleScan
        h: width   480 start  504 end  520 total  560 skew    0 clock  33.26KHz
        v: height  270 start  271 end  274 total  278           clock  59.82Hz
  400x300 (0x99) 20.000MHz +HSync +VSync DoubleScan
        h: width   400 start  420 end  484 total  528 skew    0 clock  37.88KHz
        v: height  300 start  300 end  302 total  314           clock  60.32Hz
  400x300 (0x9a) 18.000MHz +HSync +VSync DoubleScan
        h: width   400 start  412 end  448 total  512 skew    0 clock  35.16KHz
        v: height  300 start  300 end  301 total  312           clock  56.34Hz
  432x243 (0x9b) 16.250MHz -HSync +VSync DoubleScan
        h: width   432 start  444 end  484 total  536 skew    0 clock  30.32KHz
        v: height  243 start  244 end  247 total  253           clock  59.92Hz
  432x243 (0x9c) 15.250MHz +HSync -VSync DoubleScan
        h: width   432 start  456 end  472 total  512 skew    0 clock  29.79KHz
        v: height  243 start  244 end  247 total  250           clock  59.57Hz
  320x240 (0x9d) 12.587MHz -HSync -VSync DoubleScan
        h: width   320 start  328 end  376 total  400 skew    0 clock  31.47KHz
        v: height  240 start  245 end  246 total  262           clock  60.05Hz
  360x202 (0x9e) 11.250MHz -HSync +VSync DoubleScan
        h: width   360 start  372 end  404 total  448 skew    0 clock  25.11KHz
        v: height  202 start  204 end  206 total  211           clock  59.51Hz
  360x202 (0x9f) 10.875MHz +HSync -VSync DoubleScan
        h: width   360 start  384 end  400 total  440 skew    0 clock  24.72KHz
        v: height  202 start  204 end  206 total  209           clock  59.13Hz
  320x180 (0xa0)  9.000MHz -HSync +VSync DoubleScan
        h: width   320 start  332 end  360 total  400 skew    0 clock  22.50KHz
        v: height  180 start  181 end  184 total  188           clock  59.84Hz
  320x180 (0xa1)  8.875MHz +HSync -VSync DoubleScan
        h: width   320 start  344 end  360 total  400 skew    0 clock  22.19KHz
        v: height  180 start  181 end  184 total  187           clock  59.32Hz
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        supported: Good, Bad
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        v: height 1080 start 1084 end 1089 total 1125           clock  60.00Hz
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        v: height 1080 start 1084 end 1089 total 1125           clock  59.94Hz
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        v: height 1024 start 1025 end 1028 total 1066           clock  60.02Hz
  1280x800 (0x60) 83.500MHz -HSync +VSync
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DP-2 connected (normal left inverted right x axis y axis)
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  640x480 (0x86) 25.175MHz -HSync -VSync
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        v: height  480 start  490 end  492 total  525           clock  59.94Hz
DP-3 disconnected (normal left inverted right x axis y axis)
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    Timestamp:  3453569
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更新 3：我尝试运行主线内核 5.6.7，希望 TB 通道绑定支持能够解决问题，但它没有。

display-resolution display displayport thunderbolt usb-c
Martin Hope
ajn
Asked: 2014-05-09 01:06:16 +0800 CST
  • 28

更新 3：

我决定从头开始重新安装系统以删除周围的任何旧问题，因为升级后我也遇到了一些其他问题。但是，此问题仍然存在。

在全新安装中，选择使用“加密主页”进行安装会导致损坏的加密交换配置。

更新 2：

我修复了 cfdisk 抱怨的分区顺序，但他的问题仍然存在。交换现在位于 /dev/sda6 上，我可以按如下方式启动并运行它：

~$ sudo mkswap /dev/sda6
Setting up swapspace version 1, size = 7998460 KiB
no label, UUID=18881d0f-d9ec-43be-a23f-0cbd78ea6d22

$sudo nano /etc/crypttab # Update crypttad with new UUID

$ sudo /etc/init.d/cryptdisks reload
 * Stopping remaining crypto disks...
 * cryptswap1 (stopped)...                                               [ OK ] 
 * Starting remaining crypto disks...                                        
 * cryptswap1 (starting)..
 * cryptswap1 (started)...                                               [ OK ] 
$ sudo swapon -a

$ls -l /dev/disk/by-uuid/
total 0
lrwxrwxrwx 1 root root 10 May 11 09:04 08b07f88-6da5-4b40-b062-42b3bb1c5f00 -> ../../sda3
lrwxrwxrwx 1 root root 10 May 11 09:08 18881d0f-d9ec-43be-a23f-0cbd78ea6d22 -> ../../sda6
lrwxrwxrwx 1 root root 10 May 11 09:04 19aa372c-05c8-4226-8f09-c54e5566e816 -> ../../sda5
lrwxrwxrwx 1 root root 10 May 11 09:04 A800B16E00B143DA -> ../../sda1
lrwxrwxrwx 1 root root 10 May 11 09:04 D28230E68230D129 -> ../../sda2
lrwxrwxrwx 1 root root 10 May 11 09:08 fcc8c419-8fec-4d4d-b55e-9e4c3b04d21d -> ../../dm-0

但是在重启后交换无法激活，它再次看起来像这样：

$ ls -l /dev/disk/by-uuid/
total 0
lrwxrwxrwx 1 root root 10 May 11 09:12 08b07f88-6da5-4b40-b062-42b3bb1c5f00 -> ../../sda3
lrwxrwxrwx 1 root root 10 May 11 09:12 19aa372c-05c8-4226-8f09-c54e5566e816 -> ../../sda5
lrwxrwxrwx 1 root root 10 May 11 09:12 A800B16E00B143DA -> ../../sda1
lrwxrwxrwx 1 root root 10 May 11 09:12 D28230E68230D129 -> ../../sda2

我目前的猜测是，当将磁盘设置为加密时，linux 不再识别分区类型，因此无法正确加载它，导致它无法注册它的 UUID，因此 cryptswap 找不到它导致失败。但我不知道如何解决它..

更新的问题：

进一步的测试表明，我可以通过运行 $ mkswap /dev/sda5 来启动和运行交换

然后使用正确的 UUID 更新 /etc/crypttab 并按照此处概述的步骤操作： How do I setup an encrypted swap file?

然而，当我重新启动计算机时问题仍然存在，/dev/sda5 在我运行时没有出现

$ ls -l /dev/disk/by-uuid/

如果我做：

$ cfdisk /dev/sda

我收到以下错误：

FATAL ERROR: Bad logical partition 6: enlarged logical partitions overlap
                      Press any key to exit cfdisk

图形“磁盘”实用程序在使用它打开磁盘时不会抱怨任何错误。

$ sudo fdisk -l

Disk /dev/sda: 256.1 GB, 256060514304 bytes
255 heads, 63 sectors/track, 31130 cylinders, total 500118192 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x619aebf1

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048      206847      102400    7  HPFS/NTFS/exFAT
/dev/sda2          206848   100870143    50331648    7  HPFS/NTFS/exFAT
/dev/sda3       191397888   192397311      499712   83  Linux
/dev/sda4       192399358   500117503   153859073    5  Extended
/dev/sda5       484118528   500117503     7999488   82  Linux swap / Solaris
/dev/sda6       192399360   484118527   145859584   83  Linux

Partition table entries are not in disk order

原问题：

升级到 14.04（从 13.04）后，我的电脑一直在经历严重的减速，当运行 top 时，我注意到 kswap0 占用了大量的 cpu 时间。我还注意到我没有任何交换空间！

$ sudo swapon -a
swapon: /dev/mapper/cryptswap1: stat failed: No such file or directory

我的加密交换设置似乎有一些问题（我什至不知道我有一个）

$ cat /etc/crypttab 
cryptswap1 UUID=abe3c568-c8fd-4dfb-b8e9-0520d442dd61 /dev/urandom swap,cipher=aes-cbc-essiv:sha256

$ ls -l /dev/disk/by-uuid/
total 0
lrwxrwxrwx 1 root root 10 May  6 11:00 08b07f88-6da5-4b40-b062-42b3bb1c5f00 -> ../../sda3
lrwxrwxrwx 1 root root 10 May  6 11:00 19aa372c-05c8-4226-8f09-c54e5566e816 -> ../../sda6
lrwxrwxrwx 1 root root 10 May  6 11:00 A800B16E00B143DA -> ../../sda1
lrwxrwxrwx 1 root root 10 May  6 11:00 D28230E68230D129 -> ../../sda2

看着我的 fstab

$ cat /etc/fstab
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
# / was on /dev/sda6 during installation
UUID=19aa372c-05c8-4226-8f09-c54e5566e816 /               ext4    errors=remount-ro 0       1
# /boot was on /dev/sda3 during installation
UUID=08b07f88-6da5-4b40-b062-42b3bb1c5f00 /boot           ext2    defaults        0       2
# swap was on /dev/sda5 during installation
#UUID=abe3c568-c8fd-4dfb-b8e9-0520d442dd61 none            swap    sw              0       0
/dev/mapper/cryptswap1 none swap sw 0 0

我的猜测是 sda5 的设置有问题，但我不知道如何修复它，因为它被设置为加密。对于如何进行，将不胜感激。

14.04