On Fri, Mar 08, 2019 at 10:09:55AM +1100, Jonathan Gray wrote: > On Tue, Mar 05, 2019 at 10:24:10PM +0100, Matthieu Herrb wrote: > > On Mon, Mar 04, 2019 at 09:14:45AM +0100, Matthieu Herrb wrote: > > > On Sat, Mar 02, 2019 at 10:24:22PM +0200, Mihai Popescu wrote: > > > > Hello, > > > > > > > > I am able to generate a segmentation fault on X with chromium help. > > > > This is happening each time I visit the web page at [1]. Basically, > > > > there is a picture of a product and whenever I hover the mouse over > > > > it, X gets a segmentation fault and exits at xenodm login prompt. > > > > Sometimes, if I repeat this procedure over and over, I get an offset > > > > for the image on my display, making things hard to see. > > > > > > > > [1] > > > > https://computers.woot.com/offers/lenovo-thinkcentre-m78-amd-a4-sff-desktop-1 > > > > > > > > I have inspected the web page in question with firefox, and I can tell > > > > the page loads a special image cursor when I hover on the picture in > > > > question. No segmentation fault for X this time. > > > > > > > > > > Hi, > > > > > > Thanks for the bug report. Can you try the attached patch (from > > > upstream) ? > > > > The patch below is in the most recent snapshots and Mihai reported that it > > fixes the issue for him. So if you're using the ati/radeon driver > > please test (and pay attention to possible cursor corruption...) > > > > The relevant upstream commits are: > > https://gitlab.freedesktop.org/xorg/driver/xf86-video-ati/commit/0c40a76d1c050d018e6d59bebb5efc9c62be308c > > > > Detect and fix up non-premultiplied cursor data > > > > and > > https://gitlab.freedesktop.org/xorg/driver/xf86-video-ati/commit/99ac121770da53196124d80375a5c8edbcf827fa > > > > Skip gamma correction of cursor data if premultiplied R/G/B > alpha > > > > ok ? > > As xf86-video-ati 19.0.0 recently released > https://lists.x.org/archives/xorg-announce/2019-March/002967.html > > I'd prefer if we just went to that which includes the commits.
Yes sure. I couldn't predict that 19.0.0 would be released the next day :) I've the same diff as you. so ok matthieu@ -- Matthieu Herrb
