Public bug reported: commit 3a22b6f6d55a5b1e0a1c0a3d597996268ed439ad Author: Mika Kuoppala <mika.kuopp...@linux.intel.com> Date: Wed Nov 19 15:10:05 2014 +0200
sna: gen8 BLT broken when address has bit 4 set With bit 4 set in address, the gen8 blitter fails and blits errorneously into the cacheline preceeding the destination and similarly when reading from the source, corrupting memory. v2: Update the destination base offset pattern as revealed by igt/tests/gem_userptr_blits/destination-bo-align v3: Check base address as well Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79053 ** Affects: xserver-xorg-video-intel Importance: Unknown Status: Unknown ** Affects: xserver-xorg-video-intel (Ubuntu) Importance: Undecided Assignee: Timo Aaltonen (tjaalton) Status: In Progress ** Affects: xserver-xorg-video-intel (Ubuntu Trusty) Importance: Undecided Status: New ** Affects: xserver-xorg-video-intel (Ubuntu Utopic) Importance: Undecided Status: New ** Affects: xserver-xorg-video-intel (Ubuntu Vivid) Importance: Undecided Assignee: Timo Aaltonen (tjaalton) Status: In Progress ** Also affects: xserver-xorg-video-intel (Ubuntu Vivid) Importance: Undecided Status: New ** Also affects: xserver-xorg-video-intel (Ubuntu Trusty) Importance: Undecided Status: New ** Also affects: xserver-xorg-video-intel (Ubuntu Utopic) Importance: Undecided Status: New ** Changed in: xserver-xorg-video-intel (Ubuntu Vivid) Status: New => In Progress ** Changed in: xserver-xorg-video-intel (Ubuntu Vivid) Assignee: (unassigned) => Timo Aaltonen (tjaalton) ** Bug watch added: freedesktop.org Bugzilla #79053 https://bugs.freedesktop.org/show_bug.cgi?id=79053 ** Also affects: xserver-xorg-video-intel via https://bugs.freedesktop.org/show_bug.cgi?id=79053 Importance: Unknown Status: Unknown -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1401788 Title: backport BDW/CHV sna BLT fix To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/1401788/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp