(In reply to comment #115) > I tried applying the two patches which you posted on intel-gfx[1], ported to > 3.13. > > [1] http://article.gmane.org/gmane.comp.freedesktop.xorg.drivers.intel/33737 > > Using a T540p and an Ultradock, connected to a Dell U2410 via a DisplayPort > cable --- and it worked! Not only were there no hangs, but in fact I could > enable and disable the external display. The "too many retries" did indeed > trigger:
These patches did not work for me with my T440s. During bootup it hangs upon switch to FB. Once booted undocked, it hangs when docked and external monitor is enabled through xrandr. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1275794 Title: Lenovo T440s freezes when connected to docking station To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1275794/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs