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Created attachment 946893 [details]
Xorg.1.log

Description of problem:
resizing to too large display size trigger qxl guest bug: requested primary larger then framebuffer size

Version-Release number of selected component (if applicable):
xorg-x11-drv-qxl-0.1.1-9.el7.x86_64

How reproducible:
always

Steps to Reproduce:
1. enable 4 displays, resize all to full HD or larger
    (if the bug doesn't occur, reduce ram/vram of your qxl device and try again)
2.
3.

Actual results:
  * guest display can't recover in any way and client switches to "Waiting
    for display i..." message (only guest reboot can fix it) - bug 1152574
  * guest kernel oopses - bug 1152509

Expected results:
qxl somehow handles request of primary surface larger than framebuffer

Additional info:

logs:
qemu, qxl device & qxl driver:  attachment 946869 [details]
client log: attachment 946874 [details]
xorg log: newly attached

I hit the bug originally with qxl ram/vram both set to 64MB, displays 1-3 at ~900x1000 px and display 4 at ~1980x1000 px. I could reproduce even after increase of ram/vram to 128 MB and then further to 256 MB.

looks like a 1127552 dup to me

*** This bug has been marked as a duplicate of bug 1127552 ***