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Created attachment 1138998 [details] xorg log Filed from caserun https://tcms.engineering.redhat.com/run/273683 Version-Release number of selected component (if applicable): RHEL-6.8-20160215.n.0 xorg-x11-drv-ati-7.6.1-1.el6.x86_64 Steps to Reproduce: Get your display highest supported resolution, use xrandr for example (is is the first resolution in the list, 1920x1080 in my case). 1. Run xrandr and set higher resolution that you have supported xrandr --output DVI-1 --panning 6000x6000 Note: replace "DVI-1" with real name of your output interface. With higher resolutions (e.g. 8000x8000) behaves similarly. Actual results: Xorg freezes. Part of Xorg.0.log: [ 647.013] (II) RADEON(0): Allocate new frame buffer 6000x6000 stride 6016 [ 647.035] (EE) RADEON(0): failed to set mode: Invalid argument(II) RADEON(0): VRAM usage limit set to 333244K [ 647.035] (EE) RADEON(0): failed to set mode: Invalid argument(EE) RADEON(0): failed to set mode: Invalid argumentAUDIT: Tue Mar 22 11:53:11 2016: 2704: client 34 disconnected [ 647.761] AUDIT: Tue Mar 22 11:53:11 2016: 2704: client 37 connected from local host ( uid=500 gid=500 pid=2994 ) Auth name: MIT-MAGIC-COOKIE-1 ID: 1220 [ 647.761] AUDIT: Tue Mar 22 11:53:11 2016: 2704: client 37 disconnected [ 655.687] (EE) RADEON(0): failed to set mode: Invalid argument(EE) RADEON(0): failed to set mode: Invalid argument(II) AIGLX: Suspending AIGLX clients for VT switch Expected results: Make sure the screen is panned. No crashes/errors at display should appear. Graphics card: Advanced Micro Devices, Inc. [AMD/ATI] Cedar GL [FirePro 2270] [1002:68f2]
Not sure if this is clone of bz1318352. In bz1318352 there was an issue in intel driver, but this is ati maybe something similar but in other driver.
bz1318352 fix is actually in Xorg-server so it is not hw/driver dependent. If devels are right it will fix this issue too.
(In reply to Tomas Pelka from comment #3) > bz1318352 fix is actually in Xorg-server so it is not hw/driver dependent. > If devels are right it will fix this issue too. the fix for that is in xorg-x11-drv-intel, not the X server, so this is going to need a separate fix
(In reply to Tomas Hudziec from comment #0) > Steps to Reproduce: > Get your display highest supported resolution, use xrandr for example (is is > the first resolution in the list, 1920x1080 in my case). > > 1. Run xrandr and set higher resolution that you have supported > > xrandr --output DVI-1 --panning 6000x6000 > Just fyi, a 7920x7080 scanout buffer translates into nearly 215MiB, so I wouldn't really expect this to work (esp. since this particular card appears to have only 512MiB VRAM). Probably the DDX should fail more gracefully, but I'm not sure I'd actually expect this test to work in many places.
(In reply to Rob Clark from comment #5) > (In reply to Tomas Hudziec from comment #0) > > Steps to Reproduce: > > Get your display highest supported resolution, use xrandr for example (is is > > the first resolution in the list, 1920x1080 in my case). > > > > 1. Run xrandr and set higher resolution that you have supported > > > > xrandr --output DVI-1 --panning 6000x6000 > > > > Just fyi, a 7920x7080 scanout buffer translates into nearly 215MiB, so I > wouldn't really expect this to work (esp. since this particular card appears > to have only 512MiB VRAM). > > Probably the DDX should fail more gracefully, but I'm not sure I'd actually > expect this test to work in many places. Yes, I don't expect that high resolution to work, it was just "hard" testing. However, it shouldn't cause xorg freeze, xrandr should print error message and shutdown itself.
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