[Ubuntu-zh] 690G DVI接口，间歇性黑屏

星期六二月 26 01:20:43 UTC 2011

On Wed, Feb 23, 2011 at 11:37:04AM +0800, Yong Lv wrote:
> 我也是690G的主板，应该是显卡驱动的问题，开源驱动可能不太稳定，我用VGA，觉得屏幕总是有水波纹，原来8.04版本的受限驱动就没有任何不适的感觉，楼主换个便宜的独立显卡可能会有改善。
> 
> 
嗯，我今天看了下日志，大约没10～11秒，就会有这样的信息出现在/var/log/kern.log：

Feb 26 09:08:35 Amethyst kernel: [  902.370630]
[drm:drm_edid_block_valid] *ERROR* Raw EDID:
Feb 26 09:08:35 Amethyst kernel: [  902.370645] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.370652] <3>00 00 00 03 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.370657] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.370663] <3>00 00 00 0f 00 1f 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.370668] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.370674] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.370679] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.370685] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.370689] 
Feb 26 09:08:35 Amethyst kernel: [  902.421151]
[drm:drm_edid_block_valid] *ERROR* Raw EDID:
Feb 26 09:08:35 Amethyst kernel: [  902.421157] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.421163] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.421169] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.421174] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.421180] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.421186] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.421191] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.421197] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.421201] 
Feb 26 09:08:35 Amethyst kernel: [  902.473236]
[drm:drm_edid_block_valid] *ERROR* Raw EDID:
Feb 26 09:08:35 Amethyst kernel: [  902.473241] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.473243] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.473246] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.473249] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.473251] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.473254] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.473256] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.473259] <3>00 00 00 00 07 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.473260] 
Feb 26 09:08:35 Amethyst kernel: [  902.522923]
[drm:drm_edid_block_valid] *ERROR* Raw EDID:
Feb 26 09:08:35 Amethyst kernel: [  902.522926] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.522928] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.522931] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.522933] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.522936] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.522938] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.522941] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.522943] <3>00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00  ................
Feb 26 09:08:35 Amethyst kernel: [  902.522945] 
Feb 26 09:08:35 Amethyst kernel: [  902.522949] radeon 0000:01:05.0:
DVI-D-1: EDID block 0 invalid.
Feb 26 09:08:35 Amethyst kernel: [  902.522953] [drm:radeon_dvi_detect]
*ERROR* DVI-D-1: probed a monitor but no|invalid EDID

第一个控制台也反复有类似信息出现，会不会是这个原因呢？
> 
> 2011/2/23 刘洋 <amankwah7在gmail.com>
> 
> > On Wed, Feb 23, 2011 at 10:56:42AM +0800, Jason wrote:
> > > 2011/2/23 刘洋 <amankwah7在gmail.com>:
> > > > 现在用的是梅捷的690G主板，自带的应该是x1200 series显卡，好像是x1250。
> > > > 以前用的VGA，最近同事给了根DVI的线，想换用DVI口，显示器是NEC
> > > > LCD191wx，1440x900的，那个DVI线也是同款显示原配的好像。但是换用DVI之后，75Hz刷新率工作不正常。
> > > > 60Hz刷新率大部分时候都正常，但是在某些程序，比如我在用Firefox登录Twitter的时候，就会很不正常。
> > > > 不正常的现象就是间歇性的黑屏，像是显示器关掉了一样。大概1～2秒，又亮了。
> > > >
> > > > 而且奇怪的就是60Hz刷新率的时候，可以很长时间不黑，但是也随时可能黑一下，在某些特定的程序打开的时候，会频繁的黑屏。真实奇怪。
> > > >
> > > > 有人遇到类似的问题么？
> > > >
> > >
> > > 看起来像是DVI通道带宽不够。看看接插有没有问题，再换根线试试。
> >
> > 但是貌似和线无关，和软件有关。相同的网页，用Firefox打开的时候，比用Chrome或者Opera打开的时候黑屏频繁的多。
> >
> > Firefox可能是20秒3黑的频率，另外两个浏览器可能一上午都不黑……
> >
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