[Bug 75723] (regression since Linux 3.14?) brw_get_graphics_reset_status: Assertion `brw->hw_ctx != ((void *)0)' failed

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75723

--- Comment #23 from Alberto González <luis6674 at yahoo.com> ---
I have a doubt regarding this bug:

I was one of the users who had this problem and with the first patch proposed
(that got into Arch Linux fast) it got fixed. However, there's something
strange:

I use KDE with desktop effects turned on. For maybe a year or more before this
bug happened I was using them with OpenGL 3.1 (in the System Setting -> Desktop
effects -> Advanced you can choose that). When I upgraded to kernel 3.14 the
desktop effects stopped working. Downgrading to 3.13 fixed it (and 3.14 + patch
the same), but only if I selected OpenGL 2.0 instead of 3.1. Which is strange,
because before upgrading it worked with OpenGL 3.1 normally, but after
downgrading it didn't.

Since then always the same, each time I try OpenGL 3.1 it breaks. And other
users who suffered from this bug reported the same, OpenGL 3.1 didn't work for
them either.

I know it is a DIFFERENT BUG from this one, but I still wanted to ask if after
kernel 3.14 OpenGL 3.1 works for anyone. And is there any other way of testing
if it actually works other than in kwin?

My graphics are Ironlake based (Gen 4?).

Thanks.

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