[Bug 111297] xorg hangs at boot only with vesa driver and quiet kernel parameter

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111297

Lakshmi <lakshminarayana.vudum at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Whiteboard|                            |Triaged
      i915 features|                            |display/Other
      i915 platform|                            |ILK
             Status|NEW                         |NEEDINFO

--- Comment #2 from Lakshmi <lakshminarayana.vudum at intel.com> ---
(In reply to Carlos from comment #0)
> Created attachment 144949 [details]
> dmesg output
> 
> lspci -v 
> 
> 00:02.0 VGA compatible controller: Intel Corporation Core Processor
> Integrated Graphics Controller (rev 02) (prog-if 00 [VGA controller])
>         Subsystem: Lenovo Core Processor Integrated Graphics Controller
>         Flags: bus master, fast devsel, latency 0, IRQ 32
>         Memory at f2000000 (64-bit, non-prefetchable) [size=4M]
>         Memory at d0000000 (64-bit, prefetchable) [size=256M]
>         I/O ports at 1800 [size=8]
>         [virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
>         Capabilities: <access denied>
>         Kernel driver in use: i915
>         Kernel modules: i915
> 
> Model name: Intel(R) Core(TM) i5 CPU       M 520  @ 2.40GHz
> 
> 
> 
> This started with 5.2 and still goes on with 5.2.5
> 
> If the 'quiet' kernel parameter is omitted, the system starts normally. 
> 
> If it's not omitted, then it's a hard hang, and X wouldn't start.
> 
> It also works fine after a wakeup by suspending the system.
> 
> Disabling wireless connection from the bios made no difference. Only
> enabling log messages on the kernel parameter does. 
> 
> Also, video-intel seems not affected by this.
Can you verify the issue with drmtip (https://cgit.freedesktop.org/drm-tip)?
Logs from drmtip would be helpful during investigation.

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