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@xxxxxxxxx> 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@xxxxxxxxxxxxxx> 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@xxxxxxxxx> wrote:
>> >
>> >> On Fri, Apr 3, 2015 at 10:30 AM, Francis Gerund <ranrund@xxxxxxxxx>
>> 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.
>> >>
>> >> Akemi
>>
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>>
>
>
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