Created attachment 800468 [details] xorg log file Description of problem: I have a 47" Samsung Series 6 LCD. gnome-control-center display shows appropriate resolutions, but thinks my screen is 7". This makes every font super sized and many options are unreadable - see attached screen shots. Version-Release number of selected component (if applicable): F20 How reproducible: After upgrade and after fresh installation Steps to Reproduce: 1. Install 2. Say 'OMG, why does it think my 47" is only 7", where's the extra 40"s gone?' :) Actual results: All fonts, dialogues and windows are SUPER SIZED Expected results: It detect my screen is larger than 7" Additional info:
Created attachment 800470 [details] Screen shot of the display configuration window Some text is 'normal' sized, but most other things are quite large.
Created attachment 800472 [details] Screen shot showing unreadable menu options and text size disparity
From your X log: [ 169.533] (II) NOUVEAU(0): Output DVI-I-1 has no monitor section [ 169.556] (II) NOUVEAU(0): Output DVI-I-2 has no monitor section [ 169.611] (II) Quirked EDID physical size to 0x0 cm [ 169.611] (II) NOUVEAU(0): EDID for output DVI-I-1 [ 169.611] (II) NOUVEAU(0): Manufacturer: SAM Model: 509 Serial#: 1 [ 169.611] (II) NOUVEAU(0): Year: 2008 Week: 48 [ 169.611] (II) NOUVEAU(0): EDID Version: 1.3 [ 169.611] (II) NOUVEAU(0): Digital Display Input [ 169.611] (II) NOUVEAU(0): Indeterminate output size So, tentatively assigning this to the nouveau driver.
Created attachment 800805 [details] xorg log file for binary nvidia driver I'm not sure this is a Nouveau specific bug. I just installed the binary nvidia driver from RPMFusion rawhide and the exact same anomally is present.
Created attachment 800806 [details] Output from monitor-edid I have run 'monitor-edid' on 2 different computers plugged in to my tv. The second computer also has an nvidia card, but it's running F19. Both of my computers report the same information. I have even tried switching firmware versions on my TV, I have an option of 2, and the EDID info is the same. I'm hazzarding a guess that gnome is trying to be clever in picking a scale that suits the device, but I feel this should be overridable. If it is possible to select a resolution, can it also be possible to select a screen size?
See https://bugzilla.gnome.org/show_bug.cgi?id=708382#c2 for a way to override the new scaling factor. In any case, if your TV lies about its dimensions how do you want GNOME to guess better?
so the dconf hack fixed everything right up. org.gnome.desktop.interface text-scaling-factor 1 From a fresh installation the setting was 1.6. Strangely when I used dconf-editor and put the cursor in the box to change the factor it suddenly rounded up to 2. Forcibly setting "1" fixed the issue though. Given that monitors vary in size/resolution and I'm no doubt not the only person with a device that lies about edid info, having a scaling slider in the accessibility options for large text may be a good enhancement. Simply enabling 'large text' may not give a big enough boost to those who need it. But, that's just a passing thought.. Thank you for your assistance :)
Sorry for the continued post, I must be drunk and don't know the difference between my F19 and F20 computers. Forcing the text scaling factor does kind of fix the issue, but my mouse cursor is still gigantic in some windows and icons and gnome menus are still ridiculously large. Providing a method to override physical screen size would be the ultimate solution. Having gnome decipher a sane default is desirable, but when the default is incorrect it is not desirable to leave users without an option. I have inspected the hex of my tv's edid and referenced it against the 1.3 spec - http://en.wikipedia.org/wiki/Extended_display_identification_data#EDID_1.3_data_format . I have found that byte 21 = 16 and byte 22 = 9. It's reporting its aspect ratio, not its physical size. I suppose I could hack the edid and use the proprietary nvidia driver to force the use of my hacked binary, but that's a highly undesirable, janky and unsustainable option. It's also an option I am not sure will work given my x hackery so far. I have attempted to: * hand hack xorg.conf to use the "DisplaySize" setting, which from documentation is used to calculate the DPI of the screen. * hand hacked xorg.conf to tell the nvidia driver to not use the EdidDPI - http://www.mythtv.org/wiki/Specifying_DPI_for_NVIDIA_Cards * hand hacked /etc/X11/Xresources as noted in ^^ doc. None of these have worked to fix gnome. Given that manufacturers have a penchant for deviating from spec, isn't it then a bad thing to assume that all edids are always going to be 100% correct for every single part of the spec? And if so, would it not be best to provide a method of overriding this? A quick trawl of google will highlight a plethora of edid based issues. I would like to see this ticket re-opened as my Fedora experience is negatively impacted and this is a defect when compared with previous versions. I hope that others affected by this issue take the time to add to this ticket.
Ok, let's try to dig a bit more into this. Paste here the output of these commands: gsettings get org.gnome.desktop.interface text-scaling-factor gsettings get org.gnome.desktop.interface scaling-factor
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