[CentOS] video problem since 2015-04-01 update

[Johnny Hughes]

On 04/04/2015 11:24 AM, Francis Gerund wrote:
> Is there a way in Centos 7 to boot into an alternate video setup?
> 
> Some distributions have an option to boot into something called VESA (or
> something similar).  Something that might not have the fanciest features,
> but more likely to at least just work.
> 
> On Fri, Apr 3, 2015 at 8:58 PM, Francis Gerund <ranrund at gmail.com> wrote:
> 
>> Updated the kernel as suggested to 3.19, did not solve problem.
>> Unbelievable!  Oh, well . . .
>>
>>
>> On Fri, Apr 3, 2015 at 8:13 PM, Francis Gerund <ranrund at gmail.com> wrote:
>>
>>> Okay, thanks to all who took the time to reply.
>>>
>>> What a shame; I hadn't planned on spending Easter weekend learning to do
>>> kernel upgrades, but . . .   here it goes.
>>>
>>>
>>>
>>> On Fri, Apr 3, 2015 at 5:59 PM, Ned Slider <ned at unixmail.co.uk> wrote:
>>>
>>>>
>>>>
>>>> On 03/04/15 20:41, Francis Gerund wrote:
>>>>> Well, it could be the same, but the bug report does seem to refer to
>>>> the
>>>>> bug being in kernel series 3.18.  I am just using whatever 3.10 series
>>>>> kernel comes standard with Centos 7.x.
>>>>>
>>>>
>>>> Well, the CentOS kernel is a 3.10 kernel in name (or number) only. Red
>>>> Hat backport much stuff from later kernels, and in this case that
>>>> includes much broken code for the Intel i915 driver. The code is broken
>>>> from around 3.15 and still not completely fixed in the current 4.0-rc6
>>>> code base. Updating to a newer kernel, and hence a newer i915 driver,
>>>> may or may not help, but it doesn't hurt to try.
>>>>
>>>>> I don't know anything about bug reports, and I an not familiar with
>>>>> swapping out kernels in Centos.
>>>>>
>>>>> BTW, is El Repo another name for the EPEL repository?
>>>>>
>>>>
>>>> No, they are two completely separate repositories:
>>>>
>>>> http://wiki.centos.org/AdditionalResources/Repositories
>>>>
>>>>>
>>>>>
>>>>> On Fri, Apr 3, 2015 at 1:07 PM, Akemi Yagi <amyagi at gmail.com> wrote:
>>>>>
>>>>>> On Fri, Apr 3, 2015 at 10:30 AM, Francis Gerund <ranrund at gmail.com>
>>>> wrote:
>>>>>>> Hello!
>>>>>>>
>>>>>>> No updates for days until 2015-04-01.  Then presented with huge
>>>> steaming
>>>>>>> pile of updates all at once, apparently related to Centos 7.1
>>>> release.
>>>>>>
>>>>>>> After reboot, there is a problem with the video.  It seems to flicker
>>>>>> when
>>>>>>> the mouse pointer touches the screen edges.  Also, sometimes when
>>>> viewing
>>>>>>> pages in Firefox, the window becomes partially covered with
>>>> horizontal
>>>>>>> black lines.
>>>>>>>
>>>>>>> During reboots, before the login screen appears, there are quickly
>>>>>>> disappearing messages seeming to include references to "drm:9" and
>>>> some
>>>>>>> sort of "underrun".
>>>>>>>
>>>>>>> In the terminal window, I get a message:
>>>>>>>
>>>>>>> ABRT has detected 3 problem(s). For more info run: abrt-cli list
>>>> --since
>>>>>>> 1428078184
>>>>>>>
>>>>>>> When I do that, I get:
>>>>>>>
>>>>>>> id (blah, blah)
>>>>>>> reason:         WARNING: at drivers/gpu/drm/i915/intel_display.c:869
>>>>>>> intel_wait_for_vblank+0x211/0x220 [i915]()
>>>>>>> time:             Fri 03 Apr 2015 11:41:49 AM CDT
>>>>>>> cmdline:        BOOT_IMAGE=/vmlinuz-3.10.0-229.1.2.el7.x86_64
>>>>>>> root=UUID=(blah, blah) ro vconsole.keymap=us
>>>>>>> vconsole.font=latarcyrheb-sun16 rhgb quiet LANG=en_US.UTF-8
>>>>>>> count:          1
>>>>>>> Directory:      /var/tmp/abrt/oops-2015-04-03-11:41:49-590-0
>>>>>>
>>>>>> Does this kernel.org bug look similar to yours?
>>>>>>
>>>>>> https://bugzilla.kernel.org/show_bug.cgi?id=86771
>>>>>>
>>>>>> I suggest you try kernel-ml from ELRepo and see if that fixes the
>>>> issue.


Does this look like your bug:

https://bugzilla.redhat.com/show_bug.cgi?id=1204610




-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 198 bytes
Desc: OpenPGP digital signature
URL: <http://lists.centos.org/pipermail/centos/attachments/20150407/ed2683db/attachment.sig>