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On an Intel HD4400-based laptop, when the screen turns off due to a DPMS powersave, when it is again activated it is completely garbled temporarily. I'll attach a photograph of what it looks like (the only way I can think of to get it) next time it happens, which is every time the display powers off. It can be brought back to life by doing something that would affect the display, for example in GNOME3, simply dragging up from the bottom of the screen to get the unlock screen is enough to make it usable again. No notable logs, only the following (which looks normal to me): Dec 16 19:13:25 dhcp-102 systemd: Started Load/Save Screen Backlight Brightness of acpi_video0. Dec 16 19:13:25 dhcp-102 systemd: Started Load/Save Screen Backlight Brightness of acpi_video0. Dec 16 19:13:26 dhcp-102 systemd: Started Load/Save Screen Backlight Brightness of acpi_video0. Dec 16 19:13:26 dhcp-102 systemd: Started Load/Save Screen Backlight Brightness of acpi_video0. lspci output: 00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 0b)
Created attachment 837517 [details] picture of screen Attached is an picture of the screen when this happens.
I'm experiencing this, and other graphics problems on same Haswell chip. This seems to be because Fedora is currently on xorg-x11-drv-intel version 2.21.15. A number of Haswell issues have been fixed upstream, and the current version is 2.99.906. I have confirmed I don't have the suspend/resume problem on another distro that is using the 2.99.906 release and I'm working on trying to get that version on Fedora 20 to test.
For what it's worth, I'm experiencing essentially the same problem with an i7-4770K which has Intel HD Graphics 4600. Will attach a photo as well. # lspci|grep VGA 00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller (rev 06) # rpm -qa|grep intel xorg-x11-drv-intel-2.21.15-5.fc20.x86_64
Created attachment 861650 [details] Photo of the screen corruption
From my perspective, I don't think that this bug is valid anymore, at least not as I originally reported it. I'm using xorg-x11-drv-intel-2.21.15-7.fc20.x86_64 and not seeing anything wrong. I see that several other people have added themselves to this bug, is there still a problem?
Hi, I too am currently using xorg-x11-drv-intel-2.21.15-7.fc20.x86_64 but the bug persists. As it's persisted for several months, I can elaborate a bit on the symptoms. Upon resume from DPMS sleep, the screen is garbled with fragments of old display bits. It's often "mostly black" as in the two screenshots above. More frequently it's partly black and partly composed of an irregular assortment of fragments of icons/menus/webpages/etc -- bits of whatever GUIs that are in or have been in recent use. Very infrequently it shows an outdated screenshot of something I'd been working on previously. For example, if I edit a document in LibreOffice, and then save the document and exit LibreOffice, a later DPMS resume might show a screen that includes the LibreOffice GUI and my document. A reliable way to "fix" it is to click on a taskbar button, which triggers a screen redraw/refresh, and all is well until the next DPMS resume. I'm not a kernel/driver hacker, but my guess is that upon DPMS resume, it redraws the screen sourced from the wrong block of memory---possibly even an arbitrary block of memory. That would explain the random fragments of old screen updates that it's getting---as various GUI bits get allocated/freed, it leaves GUI bits strewn about in memory, and an arbitrary chunk will likely contain some of them.
I'm still having the issue as well, using the same driver version and an HD 4400. As with the others, triggering a screen refresh (in my case, triggering Expo in Cinnamon) "fixes" the problem (until the next DPMS off).
HD 4600 here, according to Xorg log. Only seems to happen with a secondary display connected (on HDMI). It's particularly bothersome with the KDE lock screen, which seems to never do a full refresh so you have to enter your password blind.
Hi, Motivated by Eric's comment above, two days ago I installed xorg-x11-drv-intel-2.99.911-20.intel20142.x86_64 from Intel's intellinuxgraphics repo, and since then, resuming from DPMS suspend is no longer garbled. Is it possible to get the 2.99.911 version into Fedora's repo?
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