Hi cedricg91,
While I don't have a Windows 7 PC handy, I have tested using the
following two host environments.
* ElementaryOS (VMWare Player 6.0.2 build-1744117 / 3D acceleration OFF)
* Mac OS X Mountain Lion (VMWare Fusion 5.0.4 1435862 / 3D acceleration ON)
With each of these host environments, I've tested both
* Ubuntu 12.04 LTS
kernels:
* 3.11.0-24-generic
* latest git as of yesterday
* 3.2.0-58-generic
* 3.2.0-59-generic
* 3.2.0-63-generic
* 3.2.0-64-generic
* Ubuntu 14.04 LTS
* kernels: 3.13.0-24-generic
* latest git as of yesterday
Note: in the 12.04 test, I performed tests with several of the "narrowed
down" versions that users reported in the link below.
https://communities.vmware.com/message/2388776
With each of the above Ubuntu installations, there were no packages or
settings changed from the default installation options (aside from
vmware-tools). Only Ubuntu-recommended updates were performed.
For each of these Ubuntu installations, on each of the host
environments, I have used both KMS and fbdev API's. In KMS mode (via X /
Unity desktop), aside from regular usage, I've resized the screen using
the guest OS (Ubuntu's "System Settings") and also resized using the
VMWare window in the host environment.
I have not been able to reproduce the split-screen issue.
Just a couple of comments:
* Is it possible that this issue ONLY occurs with a Windows (7?) host
environment? VMWare folks?
* I would be very surprised if Ubuntu even used the vmware fbdev interface and
have some doubt that the code path from the patch in question is even hot.
Since I do not have access to a Windows 7 host machine, I would
appreciate if you could test for me.
Can you please add a logging statement in the kernel to function
vmwgfx_fb.c::vmw_fb_check_var() ? E.g.
printk( KERN_INFO "fb_fix_screeninfo.line_length CODE PATH TRAVERSED\n"
);
If you haven't seen the log message above - the split screen issue would
most certainly have originated elsewhere.
If you do see the log message above, can you please try the following:
1) fetching the source package for a kernel that is FAILING your test,
2) reverse-applying the patch from link below
https://lkml.org/lkml/2014/2/1/41
3) recompiling the vmwgfx.ko module
4) making a backup of the original vmwgfx.ko module
5) overwriting the original vmwgfx.ko module
6) trying to reproduce the problem without the "fb_fix_screeninfo.line_length"
patch
If that SOLVES the problem, please repeat the steps above with the
following line removed from the patch.
vmw_write(vmw_priv, SVGA_REG_BYTES_PER_LINE, info->fix.line_length);
I greatly appreciate your effort in helping to resolve this bug - I wish
I could do more, but I'm unable to reproduce it.
Thanks,
C
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https://bugs.launchpad.net/bugs/1328898
Title:
VMware guest video broken by the 3.2.0.64 kernel update
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