| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <CAH3drwa430bUfY4ZHfn583JsDU5Sv=Y5WNaWWXm=a1XpJV1iSw@mail.gmail.com> Date: Fri, 8 Jun 2012 15:56:03 -0400 From: Jerome Glisse <j.glisse@...il.com> To: Brian Gitonga Marete <marete@...hnix.com> Cc: LKML <linux-kernel@...r.kernel.org>, David Airlie <airlied@...ux.ie>, Alex Deucher <alexander.deucher@....com>, Jerome Glisse <jglisse@...hat.com> Subject: Re: [Regression] [Radeon] Stream command failures and render problems in Evergreen (Radeon HD 5600) in kernel 3.4 On Fri, Jun 8, 2012 at 6:13 AM, Brian Gitonga Marete <marete@...hnix.com> wrote: > On Fri, Jun 8, 2012 at 12:56 AM, Brian Gitonga Marete > <marete@...hnix.com> wrote: >> On Fri, Jun 8, 2012 at 12:44 AM, Brian Gitonga Marete >> <marete@...hnix.com> wrote: >>> On Thu, Jun 7, 2012 at 11:20 PM, Jerome Glisse <j.glisse@...il.com> wrote: >>>> On Thu, Jun 7, 2012 at 3:59 PM, Brian Gitonga Marete <marete@...hnix.com> wrote: >>>>> On Thu, Jun 7, 2012 at 5:25 PM, Jerome Glisse <j.glisse@...il.com> wrote: >>>>>> >>>>>> Update your libdrm to libdrm from git should fix your issue. >>>>> >>>>> Hello Jerome, >>>>> >>>>> Thanks for looking into this. >>>>> >>>>> I am afraid that even with the very latest libdrm (git 93a5117d), the >>>>> rendering is still broken. >>>>> >>>>> What else should I try? I would revert the patch that git-bisect >>>>> fingered (your patch, git 285484e2d, Linux mainline) but there are >>>>> merge problems when I try to do that, which I have not yet looked >>>>> into. Perhaps you can see if you can help me revert that patch so that >>>>> we can see if the problem then goes away? >>>>> >>>> What happen if you upgrade to xf86-video-ati from git ? >>> >>> Hello Jerome, >>> >>> Once again, thanks a lot for your help. >>> >>> Some progress but also a setback: Upgrading to the latest >>> xf86-video-ati git gets rid of the stream command failures - No more >>> error messages in dmesg(8). But then, now, rendering is completely >>> messed up. Previously, it was mostly the window boundaries that were >>> blurred/messed but now also entire windows and text so that you can't >>> read anything from the desktop. (For example, the previous render >>> problems would still allow me to use gnome-terminal even though its >>> frames were completely blurred. Now the text withing gnome-terminal is >>> also blurred/smudged) >>> >> >> I should add that in this case rendering is completely messed up in >> _both_ 3.3.x and 3.4. But the stream command failures in 3.4 go away >> upon upgrading to the latext xf86-video-ati git HEAD. > > Ok. All is fixed in kernel v3.4 if I additionally upgrade Mesa to the > latest git. Jerome, many thanks for your help on this! > > So to summarize, the 3.4 breakage in Ubuntu 11.04 (and probably other > distributions released around the same time) is fixed by: > > a) Upgrade libdrm to latest GIT as of this writing (93a5117d5) > b) Upgrade xf86-video-ati to latest GIT as of this writing (5888371) > c) Upgrade mesa to latest GIT as of this writing (529476b) > > Now kernel 3.4 works on my laptop. > > Thanks! > > BGM. Brian can you please test patch below on 6.14.0 ddx and old mesa (ie revert to ubuntu mesa & ddx) and report if it fix your issue. Thanks http://people.freedesktop.org/~glisse/0001-drm-radeon-fix-tiling-and-command-stream-checking-on.patch Cheers, Jerome -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists