Please try the patch[1] to see if it can fix your problem:
[1], https://bugzilla.kernel.org/attachment.cgi?id=69612 [2], https://bugs.launchpad.net/bugs/794642
Please try the patch[1] to see if it can fix your problem:
[1], https:/ /bugzilla. kernel. org/attachment. cgi?id= 69612 /bugs.launchpad .net/bugs/ 794642
[2], https:/