The bug is fixed in 3.15-rc6. The patch is at https://patchwork.kernel.org/patch/4124871/ and a patch adapted for 3.14.4 is here: https://bugzilla.kernel.org/attachment.cgi?id=136881
A backport to 3.13 is needed for it to get into Trusty AFAIK...
The bug is fixed in 3.15-rc6. The patch is at https:/ /patchwork. kernel. org/patch/ 4124871/ and a patch adapted for 3.14.4 is here: https:/ /bugzilla. kernel. org/attachment. cgi?id= 136881
A backport to 3.13 is needed for it to get into Trusty AFAIK...