[Mesa-dev] Pending issues of lollipop-x86

[Marek Olšák]

On Fri, Sep 25, 2015 at 5:43 PM, Chih-Wei Huang <cwhuang at android-x86.org> wrote:
> CC to mesa-dev for help.
>
> 2015-09-25 22:12 GMT+08:00 Chih-Wei Huang <cwhuang at android-x86.org>:
>> 2015-09-25 16:21 GMT+08:00 Chih-Wei Huang <cwhuang at android-x86.org>:
>>> Actually I'm testing your mesa 11.0 branch
>>> to see if it is acceptable.
>>> The major issue I found is the
>>> Camera and Youtube crashing in mesa.
>>
>> OK, I can almost confirm this is a known issue
>> I reported to mesa devs before.
>> It is caused by this commit:
>>
>> commit c636284ee8ee95bb3f3ad31aaf26a9512ec5006c
>> Author: Chad Versace <chad.versace at intel.com>
>> Date:   Tue May 5 19:05:32 2015 -0700
>>
>>     i965/sync: Implement DRI2_Fence extension
>>
>> By reverting it the crashing is gone.
>>
>> However, I still hope we can find
>> a correct fix.
>
> After some debugging, it crashed in
> dri2_client_wait_sync() of
> ...src/egl/drivers/dri2/egl_dri2.c
> The ctx returned by _eglGetCurrentContext()
> is NULL.
>
> static EGLint
> dri2_client_wait_sync(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync,
>                       EGLint flags, EGLTime timeout)
> {
>    _EGLContext *ctx = _eglGetCurrentContext();
>
> ==> ctx is NULL
>
>    if (dri2_dpy->fence->client_wait_sync(dri2_ctx->dri_context,  <== OOPS!
>                                          dri2_sync->fence, wait_flags,
>                                          timeout))
>
>
> Why does _eglGetCurrentContext() return NULL?

Yes, we should fix this. A context isn't required here.

Marek