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. >> >> >> >> Akemi >> >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> http://lists.centos.org/mailman/listinfo/centos >> > >