It looks like this is in the Radeon driver; the error cites radeon_dma.c, and is triggered by a variety of different software packages.
I can trigger this pretty much immediately by running /usr/lib/xscreensaver/hyperspace (part of rss-glx). ** Package changed: rss-glx (Ubuntu) => xserver-xorg-video-ati (Ubuntu) -- lorenz assert failure: lorenz: radeon_dma.c:210: radeonRefillCurrentDmaRegion: Assertion `dma_bo->bo->cref == 1' failed. https://bugs.launchpad.net/bugs/459961 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs