[Intel-gfx] Revert "sna: Coldplug unknown connections as well"

[Sedat Dilek]

On Mon, Sep 21, 2015 at 2:52 PM, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> On Mon, Sep 21, 2015 at 02:48:03PM +0200, Sedat Dilek wrote:
>> On Mon, Sep 21, 2015 at 11:42 AM, Chris Wilson <chris at chris-wilson.co.uk> wrote:
>> > On Sun, Sep 20, 2015 at 08:20:21PM +0200, Sedat Dilek wrote:
>> >> Hi,
>> >>
>> >> I am here on Ubuntu/precise AMD64 with libdrm v2.4.65 and mesa v10.6.8.
>> >>
>> >> I cannot see my LightDM login-manager, my system hangs in VT-1.
>> >>
>> >> When I revert...
>> >>
>> >> commit 650da13c7257019728cfca361dfcbe34a6c526ef
>> >> "sna: Coldplug unknown connections as well"
>> >
>> > All it is doing is a RRGetInfo() call after 2 seconds if the display
>> > manager hasn't already done so. Easiest step forward is to look at the
>> > ddx logs to see timings on who calls what and then try and get the
>> > lightdm + unity logs to see why they changed behaviour.
>> >
>>
>> Yes, I can look at the LightDM and Unity logs.
>> Shall I build my intelddx with debugging enabled?
>
> The only thing of interest will be the timings given by the full debug
> log. I don't expect to see a problem as such, but could be proven wrong.
>
>> >> ...everything is as usual.
>> >
>> > Apart from the kernel issue...
>> >
>>
>> Which kernel-issue?
>>
>> On shutdown and after LightDM closes, my system hangs 4ever in VT-1,
>> so reverting above commit does not really help.
>
> That ^ strongly suggests an issue lower down the stack.
>

I have built my intelddx via...

$ ./configure --prefix=/opt/xorg --disable-dri1 --enable-dri2
--disable-dri3 --disable-tear-free --enable-debug=full

...(for more see my config.log).

And added the following boot-params to the 3.13.y-Ubuntu-kernel command-line...

Command line: BOOT_IMAGE=/boot/vmlinuz-3.13.0-64-generic
root=UUID=001AADA61AAD9964 loop=/ubuntu/disks/root.disk ro drm.debug=7
log_buf_len=4M

...(for more see kern-log.txt and syslog.txt).

My libdrm is v2.6.56 and mesa is v10.6.8 (for more see Xorg log).

SNA ColdPlug seems to be activated...

[    32.436] sna_mode_coldplug()

No sure where to look for LightDM and Unity logs.

Hope this helps.

- Sedat -
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