[Bug 1459613] Re: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() from GLScreen::glPaintCompositedOutput
It appears swrast has GL_MAX_TEXTURE_SIZE = 8192, so yes 2560x4 exceeds that. Not sure why "Copy To Texture" isn't helping to fix it. What if you only use three displays instead of four? Does it work then? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1459613 Title: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() from GLScreen::glPaintCompositedOutput To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1459613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1459613] Re: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() from GLScreen::glPaintCompositedOutput
Hi, has anyone tried this on 16.04 with the software rasterizer
(swrast_dri.so)?
I'm seeing the same crash with with four 2560x1600 displays on Compiz
0.9.12.2.
The crash happens in libopengl.so when it tries to deference "priv"
const GLTexture::Matrix &
GLTexture::matrix () const
{
return priv->matrix;
}
In GDB, it's clear that "priv" is pointing to an invalid memory
location.
"Copy to Texture" is set to ON by default, and I've verified it with the
configuration manager. The same configuration works with a HW
accelerated driver.
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Title:
connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with
SIGSEGV in GLTexture::matrix() from GLScreen::glPaintCompositedOutput
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[Bug 1459613] Re: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() from GLScreen::glPaintCompositedOutput
Crashing fixed in Ubuntu 15.10 according to comment #24. ** Changed in: compiz Importance: Undecided => Medium ** Changed in: compiz Status: Triaged => Fix Released ** Changed in: compiz (Ubuntu) Status: Triaged => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1459613 Title: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() from GLScreen::glPaintCompositedOutput To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1459613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1459613] Re: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() from GLScreen::glPaintCompositedOutput
Seems my respons was lost: i gave a reply to the emailalert, but it didn't make it to launchpad i see. So here it is once more; --- So, nice to have finally explained this issue, as far im concerned you can set this bug to resolved. It gets handled nicely on a new install of 15.10 and correct message and not crashing. Things i did; - copy to texture is on - i didn't run arandr, too complex for me (i am just a newbee on linux). - i placed the 3rd screen at the bottom and even while the screen was activated and i had 3 screens, the whole screen froze (even though music kept playing). -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1459613 Title: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() from GLScreen::glPaintCompositedOutput To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1459613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1459613] Re: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() from GLScreen::glPaintCompositedOutput
So i tried a new clean install with 15.10 and now it works very nicely! I'm suspecting the upgrades from 14.10/15.04 or the troubleshooting steps have broken something. I also got a reason why the 2x4k and 1x2k resolution does not work; "exceeds 3D hardware limit (8191, 8192)" I made a screenshot of the full error. I'm still curious if this could be fixed in Ubuntu as it does seem to work in Windows. It might not be a serious issue and not at all required for me, but if this proves to be an underlying issue in Ubuntu with higher resolutions this might be a problem in the future with all the high-res screens that are coming. ** Attachment added: "exceeds 3D hardware limit.png" https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1459613/+attachment/4531044/+files/exceeds%203D%20hardware%20limit.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1459613 Title: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() from GLScreen::glPaintCompositedOutput To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1459613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1459613] Re: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() from GLScreen::glPaintCompositedOutput
That hardware limit is what the "Copy to texture" plugin was designed to overcome, IIRC. The limit is literally just the maximum size of a texture your GPU/driver can handle. If the OS/display server is clever, it should be able to manage textures within that limit without also limiting the size of your desktop. However it's been a few years since I worked on Compiz and I can't remember how/if Compiz really did that well. It's not surprising Windows can do it. The good news is that normally the OS/display server actually doesn't have to solve this problem. On most common basic hardware (Intel GPUs) these days the GL_MAX_TEXTURE_SIZE is more like 16384. That said, it is a problem we're aware of and hope Mir/Unity8 does not have when it enters common usage. So things to try: * Check your Compiz plugins and that "Copy to texture" etc is enabled. * Try reconfiguring with the "arandr" command some people say helped them with this. * If all else fails (and we definitely don't expect Compiz to get further fixes on this) then try a new cheap graphics card that will almost certainly have a higher GL_MAX_TEXTURE_SIZE of at least 16384. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1459613 Title: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() from GLScreen::glPaintCompositedOutput To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1459613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1459613] Re: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() from GLScreen::glPaintCompositedOutput
Also, 2x4k should fit within your 8192 limit. If you move or remove the 2k monitor and just place it logically above/below the 2x4k displays then you won't hit the problem. 'arandr' should help with that, if not the usual "System Settings > Screen Display" and drag the 2k display to a new location above or below the others. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1459613 Title: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() from GLScreen::glPaintCompositedOutput To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1459613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1459613] Re: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix()
I'm not sure how to proceed. I think it is a bug as i still experience this behaviour (although i seem to be the only one, but that may be because 2x 4k screens are not that common (yet)). But how do i reopen this bug? I can't change the status and i can't find a closed/open button. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1459613 Title: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1459613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1459613] Re: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix()
Sorry about that. We should have been more careful with recent bugs, which are obviously more current. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1459613 Title: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1459613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1459613] Re: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix()
Reopened. ** Changed in: compiz Status: Won't Fix => New ** Changed in: compiz (Ubuntu) Status: Won't Fix => New ** Tags added: desktop-bugscrub-reopened -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1459613 Title: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1459613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1459613] Re: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() from GLScreen::glPaintCompositedOutput
** Summary changed: - connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() + connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() from GLScreen::glPaintCompositedOutput -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1459613 Title: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() from GLScreen::glPaintCompositedOutput To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1459613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1459613] Re: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() from GLScreen::glPaintCompositedOutput
As part of the big bug clear up for 16.04 LTS I am marking this bug as Wont Fix. These types of crasher are better handled by https://errors.ubuntu.com/ which can collate similar crash reports to help us identify persitent bugs rather than one-off crashes. Sorry we are not able to help with this specific issue. If you are still experiencing this crash, please re-open the bug and add the tag "desktop-bugscrub-reopened". See https://wiki.ubuntu.com/BigDesktopBugScrub for more information. ** Changed in: compiz Status: New => Won't Fix ** Changed in: compiz (Ubuntu) Status: New => Won't Fix ** Changed in: compiz Status: Won't Fix => Triaged ** Changed in: compiz (Ubuntu) Status: Won't Fix => Triaged ** Tags removed: desktop-bugscrub-autoclosed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1459613 Title: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() from GLScreen::glPaintCompositedOutput To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1459613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1459613] Re: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() from GLScreen::glPaintCompositedOutput
Please ignore that last comment. Seems there is a bug in the script. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1459613 Title: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() from GLScreen::glPaintCompositedOutput To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1459613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1459613] Re: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() from GLScreen::glPaintCompositedOutput
No Problem, in the light of a general cleanup it's good to just close it to see if there are any reactions, especially when there is just one person (=me) is reporting the bug. Just let me know if i can test stuff. Soon i'll have another hardware laptop to test it with, I will try to reproduce it with 15.10 as soon as it's coming out. I'm not experienced (or brave) enough to try the beta builds. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1459613 Title: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() from GLScreen::glPaintCompositedOutput To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1459613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1459613] Re: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix()
As part of the big bug clear up for 16.04 LTS I am marking this bug as Wont Fix. These types of crasher are better handled by errors.ubutnu.com which can collate similar crash reports to help us identify persitent bugs rather than one-off crashes. Sorry we are not able to help with this specific issue. If you are still experiencing this crash, please re-open the bug and add the tag "desktop-bugscrub-reopened". See https://wiki.ubuntu.com/BigDesktopBugScrub for more information. ** Changed in: compiz Status: New => Won't Fix ** Changed in: compiz (Ubuntu) Status: Triaged => Won't Fix ** Tags added: desktop-bugscrub-autoclosed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1459613 Title: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1459613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1459613] Re: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix()
D, FYI gnome-session-flashback is a supported package in Ubuntu, so using a PPA (not supported in Ubuntu) is not necessary: apt-cache policy gnome-session-flashback gnome-session-flashback: Installed: 1:3.14.0-3ubuntu11 Candidate: 1:3.14.0-3ubuntu11 Version table: *** 1:3.14.0-3ubuntu11 0 500 http://us.archive.ubuntu.com/ubuntu/ vivid/universe amd64 Packages 100 /var/lib/dpkg/status -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1459613 Title: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1459613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1459613] Re: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix()
Ok, so i checked. copy to texture is on in compiz configuration manager. And i installed gnome flashback; http://www.webupd8.org/2014/04/how-to-install-and-tweak-gnome.html It seems gnome flashback-metacity does work. alle the other options (gnome/gnome-compiz) do not work. For me it's not an issue as i just use the 2 main 4k displays and don't need the laptop screen. so i already have a workaround, i just wanted to contribute. Do i need to run further tests? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1459613 Title: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1459613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1459613] Re: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix()
I wouldn't say it's a workaround, after I installed en ran metacity --replace, I experienced; - the unity task bar was gone, as well as the launchbar - the keyboard wasn't recognized anymore (?) - When I killed the process metacity, the unity desktop didn't return. For troubleshoot purposes (as I saw all three screens), it's usefull I think. But it's not a workaround as it's unusable (at least at the way I used metacity). I will look at the stuff Daniel mentioned (although I don't know what he's talking about), but it will be after the weekeind because we have a big network migration today and the whole weekend. D -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1459613 Title: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1459613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1459613] Re: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix()
D, when using Metacity, it is assumed one would use GNOME Flashback (Metacity), not Unity. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1459613 Title: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1459613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1459613] Re: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix()
If your desktop is larger than GL_MAX_TEXTURE_SIZE (sounds unlikely) then you need to have the Copy to texture plugin enabled in Compiz to work around that (if I recall correctly). Although your max texture size is likely quite large enough and that plugin was enabled by default in Unity7 last I checked... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1459613 Title: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1459613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1459613] Re: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix()
D, given you have a WORKAROUND, I would recommend using that going forward until a fix for the issue is provided. There seems to be something strange going on with the compiz upstream bug tracker, so I would recommend holding off on filing a report there until it's resolved. ** Changed in: compiz (Ubuntu) Status: New = Triaged ** Also affects: compiz Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1459613 Title: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1459613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1459613] Re: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix()
** Information type changed from Private to Public -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1459613 Title: connecting 2x 4k screens on a Dell XPS12 (9Q33): compiz crashed with SIGSEGV in GLTexture::matrix() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1459613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
