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["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

Missing all information requested in
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1234818/comments/39
.

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

** Tags removed: kernel-fixed-upstream kernel-fixed-
upstream-3.11.0-031100-generic

** Tags added: needs-kernel-logs needs-upstream-testing

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https://bugs.launchpad.net/bugs/1234818

Title:
  Regression: DisplayLink DL-195 fails with EAGAIN after upgrade from
  3.11.0-031100  to 3.11.0-11

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  My Plugable UGA-2K-A USB 2.0 to DVI adapter (using chipset DisplayLink
  DL-195, USB ID 17e9:4302) works fine with 3.11.0-031100-generic.
  However, when upgrading to 3.11.0-11-generic, X11 fails to open the
  DRI device with

  [     8.868] (EE) open /dev/dri/card1: Resource temporarily
  unavailable

  Reverting to  3.11.0-031100-generic fixes the problem. Upgrading to
  current mainline (3.12.0-999.201310030405) also fixes the problem (but
  causes lots of kernel BUG messages).

  In both cases, the kernel correctly creates the /dev/fb1 and
  /dev/dri/card1 devices. There are no error messages in the kernel log.

  I can bisect this if someone tells me where to find the intermediate
  versions.

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