[Bug 104760] System hang when use glTexImage3D to specify a 3D texture image

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104760

--- Comment #5 from Andriy Khulap <andriy.khulap at globallogic.com> ---
Upgraded Ubuntu 16.04 LTS to:

X.Org X Server 1.19.5
Release Date: 2017-10-12
X Protocol Version 11, Revision 0

Kernel 4.13.0-31-generic

And I am able to reproduce this issue. System hangs on both program and WebGL
test page.

Bisected to:
eb1497e968bd4a0edc1606e8a6f708fab3248828 is the first bad commit
commit eb1497e968bd4a0edc1606e8a6f708fab3248828
Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Fri Jul 21 12:29:30 2017 -0700

    i965/bufmgr: Allocate BO pages outside of the kernel's locking.

    Suggested by Chris Wilson.

    v2: Set the write domain to 0 (suggested by Chris).

    Reviewed-by: Matt Turner <mattst88 at gmail.com>

Reverting this commit (git revert eb1497e968bd) from the latest mesa master
18.1.0-devel (57b0ccd178bc) solved this hang.

Looks like there is a problem in kernel driver handling that ioctl.
Last working kernel in Ubuntu 16.04 LTS was 4.13.0-26-generic, hangs with
4.13.0-31-generic.

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